test: add empty test files

161 files changed, 326 insertions, 163 deletions

diff --git a/crates/shirabe/src/lib.rs b/crates/shirabe/src/lib.rs
index 4bd52c24..8d8cc96b 100644
--- a/crates/shirabe/src/lib.rs
+++ b/crates/shirabe/src/lib.rs
@@ -44,3 +44,170 @@ pub fn run(argv: Vec<String>) -> anyhow::Result<i32> {
         as std::rc::Rc<std::cell::RefCell<dyn InputInterface>>;
     Application::run(&application, Some(input), None)
 }
+
+#[cfg(test)]
+mod cli_tests {
+    use std::panic::{AssertUnwindSafe, catch_unwind};
+    use std::sync::{Mutex, Once};
+
+    const COMMANDS: &[&str] = &[
+        "about",
+        "archive",
+        "audit",
+        "browse",
+        "bump",
+        "check-platform-reqs",
+        "clear-cache",
+        "config",
+        "create-project",
+        "depends",
+        "diagnose",
+        "dump-autoload",
+        "exec",
+        "fund",
+        "global",
+        "init",
+        "install",
+        "licenses",
+        "outdated",
+        "prohibits",
+        "reinstall",
+        "remove",
+        "repository",
+        "require",
+        "run-script",
+        "search",
+        "self-update",
+        "show",
+        "status",
+        "suggests",
+        "update",
+        "validate",
+    ];
+
+    static QUIET_PANIC: Once = Once::new();
+
+    /// `crate::run` reads/writes process-global env, so concurrent invocations race;
+    /// serialize them since the default test harness runs tests on many threads.
+    static SERIAL: Mutex<()> = Mutex::new(());
+
+    /// Runs the CLI with `args`. Returns true on clean exit, false on any panic / error / non-zero
+    /// exit.
+    fn run(args: &[&str]) -> bool {
+        QUIET_PANIC.call_once(|| std::panic::set_hook(Box::new(|_| {})));
+        let _guard = SERIAL.lock().unwrap_or_else(|e| e.into_inner());
+
+        // Each invocation must look like a fresh process.
+        //
+        // SAFETY: all environment access in these tests happens through `crate::run` while holding
+        // `SERIAL`, so no other thread reads or writes the environment concurrently with these calls.
+        unsafe {
+            std::env::remove_var("COLUMNS");
+            std::env::remove_var("LINES");
+        }
+
+        let mut argv = vec!["composer".to_string()];
+        argv.extend(args.iter().map(|s| s.to_string()));
+        matches!(
+            catch_unwind(AssertUnwindSafe(|| crate::run(argv))),
+            Ok(Ok(0))
+        )
+    }
+
+    #[test]
+    fn version_flag() {
+        assert!(run(&["--version"]));
+    }
+
+    #[test]
+    fn help_flag() {
+        assert!(run(&["--help"]));
+    }
+
+    #[test]
+    fn each_command_help() {
+        let failed: Vec<&&str> = COMMANDS.iter().filter(|c| !run(&[c, "--help"])).collect();
+        assert!(failed.is_empty(), "`<cmd> --help` failed for: {failed:?}");
+    }
+
+    /// Runs the CLI with `args` from inside an empty temporary directory. Returns true if the call did
+    /// not panic (any exit code, including non-zero or an `Err` return, counts as success).
+    fn run_no_panic(args: &[&str]) -> bool {
+        QUIET_PANIC.call_once(|| std::panic::set_hook(Box::new(|_| {})));
+        let _guard = SERIAL.lock().unwrap_or_else(|e| e.into_inner());
+
+        let original = std::env::current_dir().ok();
+        let dir = tempfile::tempdir().expect("create temp dir");
+        std::env::set_current_dir(dir.path()).expect("chdir to temp dir");
+
+        // SAFETY: all environment access here happens while holding `SERIAL`, so no other thread
+        // touches the environment or working directory concurrently.
+        unsafe {
+            std::env::remove_var("COLUMNS");
+            std::env::remove_var("LINES");
+        }
+
+        let mut argv = vec!["composer".to_string()];
+        argv.extend(args.iter().map(|s| s.to_string()));
+        let result = catch_unwind(AssertUnwindSafe(|| crate::run(argv)));
+
+        if let Some(orig) = original {
+            let _ = std::env::set_current_dir(orig);
+        }
+
+        result.is_ok()
+    }
+
+    macro_rules! run_no_panic_tests {
+        ($( $(#[$attr:meta])* $name:ident => $cmd:expr ),* $(,)?) => {
+            $(
+                $(#[$attr])*
+                #[test]
+                fn $name() {
+                    assert!(run_no_panic(&[$cmd]), "`{}` panicked", $cmd);
+                }
+            )*
+        };
+    }
+
+    run_no_panic_tests! {
+        run_about => "about",
+        #[ignore = "currently panics"]
+        run_archive => "archive",
+        run_audit => "audit",
+        #[ignore = "currently panics"]
+        run_browse => "browse",
+        run_bump => "bump",
+        run_check_platform_reqs => "check-platform-reqs",
+        #[ignore = "currently panics"]
+        run_clear_cache => "clear-cache",
+        run_config => "config",
+        run_create_project => "create-project",
+        run_depends => "depends",
+        #[ignore = "currently panics"]
+        run_diagnose => "diagnose",
+        run_dump_autoload => "dump-autoload",
+        run_exec => "exec",
+        run_fund => "fund",
+        run_global => "global",
+        #[ignore = "currently panics"]
+        run_init => "init",
+        run_install => "install",
+        run_licenses => "licenses",
+        run_outdated => "outdated",
+        run_prohibits => "prohibits",
+        run_reinstall => "reinstall",
+        run_remove => "remove",
+        run_repository => "repository",
+        #[ignore = "currently panics"]
+        run_require => "require",
+        run_run_script => "run-script",
+        run_search => "search",
+        run_self_update => "self-update",
+        run_show => "show",
+        run_status => "status",
+        run_suggests => "suggests",
+        run_update => "update",
+        run_validate => "validate",
+    }
+}
diff --git a/crates/shirabe/tests/advisory/audit_config_test.rs b/crates/shirabe/tests/advisory/audit_config_test.rs
new file mode 100644
index 00000000..6a86a30e
--- /dev/null
+++ b/crates/shirabe/tests/advisory/audit_config_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Advisory/AuditConfigTest.php
diff --git a/crates/shirabe/tests/advisory/auditor_test.rs b/crates/shirabe/tests/advisory/auditor_test.rs
new file mode 100644
index 00000000..8c6fafe2
--- /dev/null
+++ b/crates/shirabe/tests/advisory/auditor_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Advisory/AuditorTest.php
diff --git a/crates/shirabe/tests/all_functional_test.rs b/crates/shirabe/tests/all_functional_test.rs
new file mode 100644
index 00000000..88ab7255
--- /dev/null
+++ b/crates/shirabe/tests/all_functional_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/AllFunctionalTest.php
diff --git a/crates/shirabe/tests/application_test.rs b/crates/shirabe/tests/application_test.rs
new file mode 100644
index 00000000..5f3e07c8
--- /dev/null
+++ b/crates/shirabe/tests/application_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/ApplicationTest.php
diff --git a/crates/shirabe/tests/autoload/autoload_generator_test.rs b/crates/shirabe/tests/autoload/autoload_generator_test.rs
new file mode 100644
index 00000000..68d38484
--- /dev/null
+++ b/crates/shirabe/tests/autoload/autoload_generator_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Autoload/AutoloadGeneratorTest.php
diff --git a/crates/shirabe/tests/autoload/class_loader_test.rs b/crates/shirabe/tests/autoload/class_loader_test.rs
new file mode 100644
index 00000000..02fb48f6
--- /dev/null
+++ b/crates/shirabe/tests/autoload/class_loader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Autoload/ClassLoaderTest.php
diff --git a/crates/shirabe/tests/cache_test.rs b/crates/shirabe/tests/cache_test.rs
new file mode 100644
index 00000000..c03f42b3
--- /dev/null
+++ b/crates/shirabe/tests/cache_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/CacheTest.php
diff --git a/crates/shirabe/tests/cli.rs b/crates/shirabe/tests/cli.rs
deleted file mode 100644
index c77dd01a..00000000
--- a/crates/shirabe/tests/cli.rs
+++ /dev/null
@@ -1,163 +0,0 @@
-use std::panic::{AssertUnwindSafe, catch_unwind};
-use std::sync::{Mutex, Once};
-
-const COMMANDS: &[&str] = &[
-    "about",
-    "archive",
-    "audit",
-    "browse",
-    "bump",
-    "check-platform-reqs",
-    "clear-cache",
-    "config",
-    "create-project",
-    "depends",
-    "diagnose",
-    "dump-autoload",
-    "exec",
-    "fund",
-    "global",
-    "init",
-    "install",
-    "licenses",
-    "outdated",
-    "prohibits",
-    "reinstall",
-    "remove",
-    "repository",
-    "require",
-    "run-script",
-    "search",
-    "self-update",
-    "show",
-    "status",
-    "suggests",
-    "update",
-    "validate",
-];
-
-static QUIET_PANIC: Once = Once::new();
-
-/// `shirabe::run` reads/writes process-global env, so concurrent invocations race;
-/// serialize them since the default test harness runs tests on many threads.
-static SERIAL: Mutex<()> = Mutex::new(());
-
-/// Runs the CLI with `args`. Returns true on clean exit, false on any panic / error / non-zero
-/// exit.
-fn run(args: &[&str]) -> bool {
-    QUIET_PANIC.call_once(|| std::panic::set_hook(Box::new(|_| {})));
-    let _guard = SERIAL.lock().unwrap_or_else(|e| e.into_inner());
-
-    // Each invocation must look like a fresh process.
-    //
-    // SAFETY: all environment access in these tests happens through `shirabe::run` while holding
-    // `SERIAL`, so no other thread reads or writes the environment concurrently with these calls.
-    unsafe {
-        std::env::remove_var("COLUMNS");
-        std::env::remove_var("LINES");
-    }
-
-    let mut argv = vec!["composer".to_string()];
-    argv.extend(args.iter().map(|s| s.to_string()));
-    matches!(
-        catch_unwind(AssertUnwindSafe(|| shirabe::run(argv))),
-        Ok(Ok(0))
-    )
-}
-
-#[test]
-fn version_flag() {
-    assert!(run(&["--version"]));
-}
-
-#[test]
-fn help_flag() {
-    assert!(run(&["--help"]));
-}
-
-#[test]
-fn each_command_help() {
-    let failed: Vec<&&str> = COMMANDS.iter().filter(|c| !run(&[c, "--help"])).collect();
-    assert!(failed.is_empty(), "`<cmd> --help` failed for: {failed:?}");
-}
-
-/// Runs the CLI with `args` from inside an empty temporary directory. Returns true if the call did
-/// not panic (any exit code, including non-zero or an `Err` return, counts as success).
-fn run_no_panic(args: &[&str]) -> bool {
-    QUIET_PANIC.call_once(|| std::panic::set_hook(Box::new(|_| {})));
-    let _guard = SERIAL.lock().unwrap_or_else(|e| e.into_inner());
-
-    let original = std::env::current_dir().ok();
-    let dir = tempfile::tempdir().expect("create temp dir");
-    std::env::set_current_dir(dir.path()).expect("chdir to temp dir");
-
-    // SAFETY: all environment access here happens while holding `SERIAL`, so no other thread
-    // touches the environment or working directory concurrently.
-    unsafe {
-        std::env::remove_var("COLUMNS");
-        std::env::remove_var("LINES");
-    }
-
-    let mut argv = vec!["composer".to_string()];
-    argv.extend(args.iter().map(|s| s.to_string()));
-    let result = catch_unwind(AssertUnwindSafe(|| shirabe::run(argv)));
-
-    if let Some(orig) = original {
-        let _ = std::env::set_current_dir(orig);
-    }
-
-    result.is_ok()
-}
-
-macro_rules! run_no_panic_tests {
-    ($( $(#[$attr:meta])* $name:ident => $cmd:expr ),* $(,)?) => {
-        $(
-            $(#[$attr])*
-            #[test]
-            fn $name() {
-                assert!(run_no_panic(&[$cmd]), "`{}` panicked", $cmd);
-            }
-        )*
-    };
-}
-
-run_no_panic_tests! {
-    run_about => "about",
-    #[ignore = "currently panics"]
-    run_archive => "archive",
-    run_audit => "audit",
-    #[ignore = "currently panics"]
-    run_browse => "browse",
-    run_bump => "bump",
-    run_check_platform_reqs => "check-platform-reqs",
-    #[ignore = "currently panics"]
-    run_clear_cache => "clear-cache",
-    run_config => "config",
-    run_create_project => "create-project",
-    run_depends => "depends",
-    #[ignore = "currently panics"]
-    run_diagnose => "diagnose",
-    run_dump_autoload => "dump-autoload",
-    run_exec => "exec",
-    run_fund => "fund",
-    run_global => "global",
-    #[ignore = "currently panics"]
-    run_init => "init",
-    run_install => "install",
-    run_licenses => "licenses",
-    run_outdated => "outdated",
-    run_prohibits => "prohibits",
-    run_reinstall => "reinstall",
-    run_remove => "remove",
-    run_repository => "repository",
-    #[ignore = "currently panics"]
-    run_require => "require",
-    run_run_script => "run-script",
-    run_search => "search",
-    run_self_update => "self-update",
-    run_show => "show",
-    run_status => "status",
-    run_suggests => "suggests",
-    run_update => "update",
-    run_validate => "validate",
-}
diff --git a/crates/shirabe/tests/command/about_command_test.rs b/crates/shirabe/tests/command/about_command_test.rs
new file mode 100644
index 00000000..e1817f36
--- /dev/null
+++ b/crates/shirabe/tests/command/about_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/AboutCommandTest.php
diff --git a/crates/shirabe/tests/command/archive_command_test.rs b/crates/shirabe/tests/command/archive_command_test.rs
new file mode 100644
index 00000000..79e0a8b6
--- /dev/null
+++ b/crates/shirabe/tests/command/archive_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/ArchiveCommandTest.php
diff --git a/crates/shirabe/tests/command/audit_command_test.rs b/crates/shirabe/tests/command/audit_command_test.rs
new file mode 100644
index 00000000..fd18db1a
--- /dev/null
+++ b/crates/shirabe/tests/command/audit_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/AuditCommandTest.php
diff --git a/crates/shirabe/tests/command/base_dependency_command_test.rs b/crates/shirabe/tests/command/base_dependency_command_test.rs
new file mode 100644
index 00000000..d6ac4d7d
--- /dev/null
+++ b/crates/shirabe/tests/command/base_dependency_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/BaseDependencyCommandTest.php
diff --git a/crates/shirabe/tests/command/bump_command_test.rs b/crates/shirabe/tests/command/bump_command_test.rs
new file mode 100644
index 00000000..3478643e
--- /dev/null
+++ b/crates/shirabe/tests/command/bump_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/BumpCommandTest.php
diff --git a/crates/shirabe/tests/command/check_platform_reqs_command_test.rs b/crates/shirabe/tests/command/check_platform_reqs_command_test.rs
new file mode 100644
index 00000000..f54b78ed
--- /dev/null
+++ b/crates/shirabe/tests/command/check_platform_reqs_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/CheckPlatformReqsCommandTest.php
diff --git a/crates/shirabe/tests/command/clear_cache_command_test.rs b/crates/shirabe/tests/command/clear_cache_command_test.rs
new file mode 100644
index 00000000..29eb90e9
--- /dev/null
+++ b/crates/shirabe/tests/command/clear_cache_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/ClearCacheCommandTest.php
diff --git a/crates/shirabe/tests/command/config_command_test.rs b/crates/shirabe/tests/command/config_command_test.rs
new file mode 100644
index 00000000..f7a3a961
--- /dev/null
+++ b/crates/shirabe/tests/command/config_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/ConfigCommandTest.php
diff --git a/crates/shirabe/tests/command/diagnose_command_test.rs b/crates/shirabe/tests/command/diagnose_command_test.rs
new file mode 100644
index 00000000..0ed56d3b
--- /dev/null
+++ b/crates/shirabe/tests/command/diagnose_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/DiagnoseCommandTest.php
diff --git a/crates/shirabe/tests/command/dump_autoload_command_test.rs b/crates/shirabe/tests/command/dump_autoload_command_test.rs
new file mode 100644
index 00000000..0335e986
--- /dev/null
+++ b/crates/shirabe/tests/command/dump_autoload_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/DumpAutoloadCommandTest.php
diff --git a/crates/shirabe/tests/command/exec_command_test.rs b/crates/shirabe/tests/command/exec_command_test.rs
new file mode 100644
index 00000000..59ac4d6d
--- /dev/null
+++ b/crates/shirabe/tests/command/exec_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/ExecCommandTest.php
diff --git a/crates/shirabe/tests/command/fund_command_test.rs b/crates/shirabe/tests/command/fund_command_test.rs
new file mode 100644
index 00000000..d4bf441c
--- /dev/null
+++ b/crates/shirabe/tests/command/fund_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/FundCommandTest.php
diff --git a/crates/shirabe/tests/command/global_command_test.rs b/crates/shirabe/tests/command/global_command_test.rs
new file mode 100644
index 00000000..63ad32e1
--- /dev/null
+++ b/crates/shirabe/tests/command/global_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/GlobalCommandTest.php
diff --git a/crates/shirabe/tests/command/home_command_test.rs b/crates/shirabe/tests/command/home_command_test.rs
new file mode 100644
index 00000000..0cbe03de
--- /dev/null
+++ b/crates/shirabe/tests/command/home_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/HomeCommandTest.php
diff --git a/crates/shirabe/tests/command/init_command_test.rs b/crates/shirabe/tests/command/init_command_test.rs
new file mode 100644
index 00000000..91084968
--- /dev/null
+++ b/crates/shirabe/tests/command/init_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/InitCommandTest.php
diff --git a/crates/shirabe/tests/command/install_command_test.rs b/crates/shirabe/tests/command/install_command_test.rs
new file mode 100644
index 00000000..44c0df78
--- /dev/null
+++ b/crates/shirabe/tests/command/install_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/InstallCommandTest.php
diff --git a/crates/shirabe/tests/command/licenses_command_test.rs b/crates/shirabe/tests/command/licenses_command_test.rs
new file mode 100644
index 00000000..7b3c44fc
--- /dev/null
+++ b/crates/shirabe/tests/command/licenses_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/LicensesCommandTest.php
diff --git a/crates/shirabe/tests/command/reinstall_command_test.rs b/crates/shirabe/tests/command/reinstall_command_test.rs
new file mode 100644
index 00000000..3cf67121
--- /dev/null
+++ b/crates/shirabe/tests/command/reinstall_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/ReinstallCommandTest.php
diff --git a/crates/shirabe/tests/command/remove_command_test.rs b/crates/shirabe/tests/command/remove_command_test.rs
new file mode 100644
index 00000000..d2b26a44
--- /dev/null
+++ b/crates/shirabe/tests/command/remove_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/RemoveCommandTest.php
diff --git a/crates/shirabe/tests/command/repository_command_test.rs b/crates/shirabe/tests/command/repository_command_test.rs
new file mode 100644
index 00000000..52ee7ec1
--- /dev/null
+++ b/crates/shirabe/tests/command/repository_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/RepositoryCommandTest.php
diff --git a/crates/shirabe/tests/command/require_command_test.rs b/crates/shirabe/tests/command/require_command_test.rs
new file mode 100644
index 00000000..2201745f
--- /dev/null
+++ b/crates/shirabe/tests/command/require_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/RequireCommandTest.php
diff --git a/crates/shirabe/tests/command/run_script_command_test.rs b/crates/shirabe/tests/command/run_script_command_test.rs
new file mode 100644
index 00000000..9ae8c5f4
--- /dev/null
+++ b/crates/shirabe/tests/command/run_script_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/RunScriptCommandTest.php
diff --git a/crates/shirabe/tests/command/search_command_test.rs b/crates/shirabe/tests/command/search_command_test.rs
new file mode 100644
index 00000000..a6fdb1c4
--- /dev/null
+++ b/crates/shirabe/tests/command/search_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/SearchCommandTest.php
diff --git a/crates/shirabe/tests/command/self_update_command_test.rs b/crates/shirabe/tests/command/self_update_command_test.rs
new file mode 100644
index 00000000..6623853b
--- /dev/null
+++ b/crates/shirabe/tests/command/self_update_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/SelfUpdateCommandTest.php
diff --git a/crates/shirabe/tests/command/show_command_test.rs b/crates/shirabe/tests/command/show_command_test.rs
new file mode 100644
index 00000000..932dc3a2
--- /dev/null
+++ b/crates/shirabe/tests/command/show_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/ShowCommandTest.php
diff --git a/crates/shirabe/tests/command/status_command_test.rs b/crates/shirabe/tests/command/status_command_test.rs
new file mode 100644
index 00000000..8dec3eb9
--- /dev/null
+++ b/crates/shirabe/tests/command/status_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/StatusCommandTest.php
diff --git a/crates/shirabe/tests/command/suggests_command_test.rs b/crates/shirabe/tests/command/suggests_command_test.rs
new file mode 100644
index 00000000..857535a5
--- /dev/null
+++ b/crates/shirabe/tests/command/suggests_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/SuggestsCommandTest.php
diff --git a/crates/shirabe/tests/command/update_command_test.rs b/crates/shirabe/tests/command/update_command_test.rs
new file mode 100644
index 00000000..180c90f6
--- /dev/null
+++ b/crates/shirabe/tests/command/update_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/UpdateCommandTest.php
diff --git a/crates/shirabe/tests/command/validate_command_test.rs b/crates/shirabe/tests/command/validate_command_test.rs
new file mode 100644
index 00000000..0d10cc54
--- /dev/null
+++ b/crates/shirabe/tests/command/validate_command_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Command/ValidateCommandTest.php
diff --git a/crates/shirabe/tests/completion_functional_test.rs b/crates/shirabe/tests/completion_functional_test.rs
new file mode 100644
index 00000000..9411721b
--- /dev/null
+++ b/crates/shirabe/tests/completion_functional_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/CompletionFunctionalTest.php
diff --git a/crates/shirabe/tests/composer_test.rs b/crates/shirabe/tests/composer_test.rs
new file mode 100644
index 00000000..40fd1397
--- /dev/null
+++ b/crates/shirabe/tests/composer_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/ComposerTest.php
diff --git a/crates/shirabe/tests/config/json_config_source_test.rs b/crates/shirabe/tests/config/json_config_source_test.rs
new file mode 100644
index 00000000..7ae61ca5
--- /dev/null
+++ b/crates/shirabe/tests/config/json_config_source_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Config/JsonConfigSourceTest.php
diff --git a/crates/shirabe/tests/config_test.rs b/crates/shirabe/tests/config_test.rs
new file mode 100644
index 00000000..ed806cf3
--- /dev/null
+++ b/crates/shirabe/tests/config_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/ConfigTest.php
diff --git a/crates/shirabe/tests/console/html_output_formatter_test.rs b/crates/shirabe/tests/console/html_output_formatter_test.rs
new file mode 100644
index 00000000..e3b65d9e
--- /dev/null
+++ b/crates/shirabe/tests/console/html_output_formatter_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Console/HtmlOutputFormatterTest.php
diff --git a/crates/shirabe/tests/default_config_test.rs b/crates/shirabe/tests/default_config_test.rs
new file mode 100644
index 00000000..61e3a2d9
--- /dev/null
+++ b/crates/shirabe/tests/default_config_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DefaultConfigTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/default_policy_test.rs b/crates/shirabe/tests/dependency_resolver/default_policy_test.rs
new file mode 100644
index 00000000..898ca013
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/default_policy_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/DefaultPolicyTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/pool_builder_test.rs b/crates/shirabe/tests/dependency_resolver/pool_builder_test.rs
new file mode 100644
index 00000000..2290f45d
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/pool_builder_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/PoolBuilderTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/pool_optimizer_test.rs b/crates/shirabe/tests/dependency_resolver/pool_optimizer_test.rs
new file mode 100644
index 00000000..bf7592e8
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/pool_optimizer_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/PoolOptimizerTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/pool_test.rs b/crates/shirabe/tests/dependency_resolver/pool_test.rs
new file mode 100644
index 00000000..3efd85b9
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/pool_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/PoolTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/request_test.rs b/crates/shirabe/tests/dependency_resolver/request_test.rs
new file mode 100644
index 00000000..9a211a78
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/request_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/RequestTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/rule_set_iterator_test.rs b/crates/shirabe/tests/dependency_resolver/rule_set_iterator_test.rs
new file mode 100644
index 00000000..73cff8e0
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/rule_set_iterator_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/RuleSetIteratorTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/rule_set_test.rs b/crates/shirabe/tests/dependency_resolver/rule_set_test.rs
new file mode 100644
index 00000000..c78bd033
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/rule_set_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/RuleSetTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/rule_test.rs b/crates/shirabe/tests/dependency_resolver/rule_test.rs
new file mode 100644
index 00000000..69d4816c
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/rule_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/RuleTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/security_advisory_pool_filter_test.rs b/crates/shirabe/tests/dependency_resolver/security_advisory_pool_filter_test.rs
new file mode 100644
index 00000000..d002fd82
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/security_advisory_pool_filter_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/SecurityAdvisoryPoolFilterTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/solver_test.rs b/crates/shirabe/tests/dependency_resolver/solver_test.rs
new file mode 100644
index 00000000..30f79572
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/solver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/SolverTest.php
diff --git a/crates/shirabe/tests/dependency_resolver/transaction_test.rs b/crates/shirabe/tests/dependency_resolver/transaction_test.rs
new file mode 100644
index 00000000..68c10491
--- /dev/null
+++ b/crates/shirabe/tests/dependency_resolver/transaction_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DependencyResolver/TransactionTest.php
diff --git a/crates/shirabe/tests/documentation_test.rs b/crates/shirabe/tests/documentation_test.rs
new file mode 100644
index 00000000..d341a931
--- /dev/null
+++ b/crates/shirabe/tests/documentation_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/DocumentationTest.php
diff --git a/crates/shirabe/tests/downloader/archive_downloader_test.rs b/crates/shirabe/tests/downloader/archive_downloader_test.rs
new file mode 100644
index 00000000..54ac3214
--- /dev/null
+++ b/crates/shirabe/tests/downloader/archive_downloader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Downloader/ArchiveDownloaderTest.php
diff --git a/crates/shirabe/tests/downloader/download_manager_test.rs b/crates/shirabe/tests/downloader/download_manager_test.rs
new file mode 100644
index 00000000..b13420b8
--- /dev/null
+++ b/crates/shirabe/tests/downloader/download_manager_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Downloader/DownloadManagerTest.php
diff --git a/crates/shirabe/tests/downloader/file_downloader_test.rs b/crates/shirabe/tests/downloader/file_downloader_test.rs
new file mode 100644
index 00000000..54afad4c
--- /dev/null
+++ b/crates/shirabe/tests/downloader/file_downloader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Downloader/FileDownloaderTest.php
diff --git a/crates/shirabe/tests/downloader/fossil_downloader_test.rs b/crates/shirabe/tests/downloader/fossil_downloader_test.rs
new file mode 100644
index 00000000..827d6341
--- /dev/null
+++ b/crates/shirabe/tests/downloader/fossil_downloader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Downloader/FossilDownloaderTest.php
diff --git a/crates/shirabe/tests/downloader/git_downloader_test.rs b/crates/shirabe/tests/downloader/git_downloader_test.rs
new file mode 100644
index 00000000..3c301775
--- /dev/null
+++ b/crates/shirabe/tests/downloader/git_downloader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Downloader/GitDownloaderTest.php
diff --git a/crates/shirabe/tests/downloader/hg_downloader_test.rs b/crates/shirabe/tests/downloader/hg_downloader_test.rs
new file mode 100644
index 00000000..bf08c1af
--- /dev/null
+++ b/crates/shirabe/tests/downloader/hg_downloader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Downloader/HgDownloaderTest.php
diff --git a/crates/shirabe/tests/downloader/perforce_downloader_test.rs b/crates/shirabe/tests/downloader/perforce_downloader_test.rs
new file mode 100644
index 00000000..97f45cad
--- /dev/null
+++ b/crates/shirabe/tests/downloader/perforce_downloader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Downloader/PerforceDownloaderTest.php
diff --git a/crates/shirabe/tests/downloader/xz_downloader_test.rs b/crates/shirabe/tests/downloader/xz_downloader_test.rs
new file mode 100644
index 00000000..33a34ae9
--- /dev/null
+++ b/crates/shirabe/tests/downloader/xz_downloader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Downloader/XzDownloaderTest.php
diff --git a/crates/shirabe/tests/downloader/zip_downloader_test.rs b/crates/shirabe/tests/downloader/zip_downloader_test.rs
new file mode 100644
index 00000000..8b53dacb
--- /dev/null
+++ b/crates/shirabe/tests/downloader/zip_downloader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Downloader/ZipDownloaderTest.php
diff --git a/crates/shirabe/tests/event_dispatcher/event_dispatcher_test.rs b/crates/shirabe/tests/event_dispatcher/event_dispatcher_test.rs
new file mode 100644
index 00000000..1194da42
--- /dev/null
+++ b/crates/shirabe/tests/event_dispatcher/event_dispatcher_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/EventDispatcher/EventDispatcherTest.php
diff --git a/crates/shirabe/tests/factory_test.rs b/crates/shirabe/tests/factory_test.rs
new file mode 100644
index 00000000..a7ad372c
--- /dev/null
+++ b/crates/shirabe/tests/factory_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/FactoryTest.php
diff --git a/crates/shirabe/tests/filter/platform_requirement_filter/ignore_all_platform_requirement_filter_test.rs b/crates/shirabe/tests/filter/platform_requirement_filter/ignore_all_platform_requirement_filter_test.rs
new file mode 100644
index 00000000..cd34d0ec
--- /dev/null
+++ b/crates/shirabe/tests/filter/platform_requirement_filter/ignore_all_platform_requirement_filter_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Filter/PlatformRequirementFilter/IgnoreAllPlatformRequirementFilterTest.php
diff --git a/crates/shirabe/tests/filter/platform_requirement_filter/ignore_list_platform_requirement_filter_test.rs b/crates/shirabe/tests/filter/platform_requirement_filter/ignore_list_platform_requirement_filter_test.rs
new file mode 100644
index 00000000..be3ca1a0
--- /dev/null
+++ b/crates/shirabe/tests/filter/platform_requirement_filter/ignore_list_platform_requirement_filter_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Filter/PlatformRequirementFilter/IgnoreListPlatformRequirementFilterTest.php
diff --git a/crates/shirabe/tests/filter/platform_requirement_filter/ignore_nothing_platform_requirement_filter_test.rs b/crates/shirabe/tests/filter/platform_requirement_filter/ignore_nothing_platform_requirement_filter_test.rs
new file mode 100644
index 00000000..d7c23e7d
--- /dev/null
+++ b/crates/shirabe/tests/filter/platform_requirement_filter/ignore_nothing_platform_requirement_filter_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Filter/PlatformRequirementFilter/IgnoreNothingPlatformRequirementFilterTest.php
diff --git a/crates/shirabe/tests/filter/platform_requirement_filter/platform_requirement_filter_factory_test.rs b/crates/shirabe/tests/filter/platform_requirement_filter/platform_requirement_filter_factory_test.rs
new file mode 100644
index 00000000..f8230a4a
--- /dev/null
+++ b/crates/shirabe/tests/filter/platform_requirement_filter/platform_requirement_filter_factory_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Filter/PlatformRequirementFilter/PlatformRequirementFilterFactoryTest.php
diff --git a/crates/shirabe/tests/installed_versions_test.rs b/crates/shirabe/tests/installed_versions_test.rs
new file mode 100644
index 00000000..31735594
--- /dev/null
+++ b/crates/shirabe/tests/installed_versions_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/InstalledVersionsTest.php
diff --git a/crates/shirabe/tests/installer/binary_installer_test.rs b/crates/shirabe/tests/installer/binary_installer_test.rs
new file mode 100644
index 00000000..06a2e910
--- /dev/null
+++ b/crates/shirabe/tests/installer/binary_installer_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Installer/BinaryInstallerTest.php
diff --git a/crates/shirabe/tests/installer/installation_manager_test.rs b/crates/shirabe/tests/installer/installation_manager_test.rs
new file mode 100644
index 00000000..66d89ed5
--- /dev/null
+++ b/crates/shirabe/tests/installer/installation_manager_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Installer/InstallationManagerTest.php
diff --git a/crates/shirabe/tests/installer/installer_event_test.rs b/crates/shirabe/tests/installer/installer_event_test.rs
new file mode 100644
index 00000000..91444885
--- /dev/null
+++ b/crates/shirabe/tests/installer/installer_event_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Installer/InstallerEventTest.php
diff --git a/crates/shirabe/tests/installer/library_installer_test.rs b/crates/shirabe/tests/installer/library_installer_test.rs
new file mode 100644
index 00000000..e15a2254
--- /dev/null
+++ b/crates/shirabe/tests/installer/library_installer_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Installer/LibraryInstallerTest.php
diff --git a/crates/shirabe/tests/installer/metapackage_installer_test.rs b/crates/shirabe/tests/installer/metapackage_installer_test.rs
new file mode 100644
index 00000000..29f8526a
--- /dev/null
+++ b/crates/shirabe/tests/installer/metapackage_installer_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Installer/MetapackageInstallerTest.php
diff --git a/crates/shirabe/tests/installer/suggested_packages_reporter_test.rs b/crates/shirabe/tests/installer/suggested_packages_reporter_test.rs
new file mode 100644
index 00000000..4d672f69
--- /dev/null
+++ b/crates/shirabe/tests/installer/suggested_packages_reporter_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Installer/SuggestedPackagesReporterTest.php
diff --git a/crates/shirabe/tests/installer_test.rs b/crates/shirabe/tests/installer_test.rs
new file mode 100644
index 00000000..2376d47b
--- /dev/null
+++ b/crates/shirabe/tests/installer_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/InstallerTest.php
diff --git a/crates/shirabe/tests/io/buffer_io_test.rs b/crates/shirabe/tests/io/buffer_io_test.rs
new file mode 100644
index 00000000..c3e98765
--- /dev/null
+++ b/crates/shirabe/tests/io/buffer_io_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/IO/BufferIOTest.php
diff --git a/crates/shirabe/tests/io/console_io_test.rs b/crates/shirabe/tests/io/console_io_test.rs
new file mode 100644
index 00000000..be2ce855
--- /dev/null
+++ b/crates/shirabe/tests/io/console_io_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/IO/ConsoleIOTest.php
diff --git a/crates/shirabe/tests/io/null_io_test.rs b/crates/shirabe/tests/io/null_io_test.rs
new file mode 100644
index 00000000..78ae3ecd
--- /dev/null
+++ b/crates/shirabe/tests/io/null_io_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/IO/NullIOTest.php
diff --git a/crates/shirabe/tests/json/composer_schema_test.rs b/crates/shirabe/tests/json/composer_schema_test.rs
new file mode 100644
index 00000000..abf310f2
--- /dev/null
+++ b/crates/shirabe/tests/json/composer_schema_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Json/ComposerSchemaTest.php
diff --git a/crates/shirabe/tests/json/json_file_test.rs b/crates/shirabe/tests/json/json_file_test.rs
new file mode 100644
index 00000000..99793efb
--- /dev/null
+++ b/crates/shirabe/tests/json/json_file_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Json/JsonFileTest.php
diff --git a/crates/shirabe/tests/json/json_formatter_test.rs b/crates/shirabe/tests/json/json_formatter_test.rs
new file mode 100644
index 00000000..78eb01b6
--- /dev/null
+++ b/crates/shirabe/tests/json/json_formatter_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Json/JsonFormatterTest.php
diff --git a/crates/shirabe/tests/json/json_manipulator_test.rs b/crates/shirabe/tests/json/json_manipulator_test.rs
new file mode 100644
index 00000000..491646b1
--- /dev/null
+++ b/crates/shirabe/tests/json/json_manipulator_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Json/JsonManipulatorTest.php
diff --git a/crates/shirabe/tests/json/json_validation_exception_test.rs b/crates/shirabe/tests/json/json_validation_exception_test.rs
new file mode 100644
index 00000000..12620ba0
--- /dev/null
+++ b/crates/shirabe/tests/json/json_validation_exception_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Json/JsonValidationExceptionTest.php
diff --git a/crates/shirabe/tests/package/archiver/archivable_files_finder_test.rs b/crates/shirabe/tests/package/archiver/archivable_files_finder_test.rs
new file mode 100644
index 00000000..75132842
--- /dev/null
+++ b/crates/shirabe/tests/package/archiver/archivable_files_finder_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Archiver/ArchivableFilesFinderTest.php
diff --git a/crates/shirabe/tests/package/archiver/archive_manager_test.rs b/crates/shirabe/tests/package/archiver/archive_manager_test.rs
new file mode 100644
index 00000000..c4c97751
--- /dev/null
+++ b/crates/shirabe/tests/package/archiver/archive_manager_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Archiver/ArchiveManagerTest.php
diff --git a/crates/shirabe/tests/package/archiver/git_exclude_filter_test.rs b/crates/shirabe/tests/package/archiver/git_exclude_filter_test.rs
new file mode 100644
index 00000000..63374c47
--- /dev/null
+++ b/crates/shirabe/tests/package/archiver/git_exclude_filter_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Archiver/GitExcludeFilterTest.php
diff --git a/crates/shirabe/tests/package/archiver/phar_archiver_test.rs b/crates/shirabe/tests/package/archiver/phar_archiver_test.rs
new file mode 100644
index 00000000..a1de919f
--- /dev/null
+++ b/crates/shirabe/tests/package/archiver/phar_archiver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Archiver/PharArchiverTest.php
diff --git a/crates/shirabe/tests/package/archiver/zip_archiver_test.rs b/crates/shirabe/tests/package/archiver/zip_archiver_test.rs
new file mode 100644
index 00000000..b24679bc
--- /dev/null
+++ b/crates/shirabe/tests/package/archiver/zip_archiver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Archiver/ZipArchiverTest.php
diff --git a/crates/shirabe/tests/package/base_package_test.rs b/crates/shirabe/tests/package/base_package_test.rs
new file mode 100644
index 00000000..d6b9a0e4
--- /dev/null
+++ b/crates/shirabe/tests/package/base_package_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/BasePackageTest.php
diff --git a/crates/shirabe/tests/package/complete_package_test.rs b/crates/shirabe/tests/package/complete_package_test.rs
new file mode 100644
index 00000000..b47a4aad
--- /dev/null
+++ b/crates/shirabe/tests/package/complete_package_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/CompletePackageTest.php
diff --git a/crates/shirabe/tests/package/dumper/array_dumper_test.rs b/crates/shirabe/tests/package/dumper/array_dumper_test.rs
new file mode 100644
index 00000000..a6647c1a
--- /dev/null
+++ b/crates/shirabe/tests/package/dumper/array_dumper_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Dumper/ArrayDumperTest.php
diff --git a/crates/shirabe/tests/package/loader/array_loader_test.rs b/crates/shirabe/tests/package/loader/array_loader_test.rs
new file mode 100644
index 00000000..a2417223
--- /dev/null
+++ b/crates/shirabe/tests/package/loader/array_loader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Loader/ArrayLoaderTest.php
diff --git a/crates/shirabe/tests/package/loader/root_package_loader_test.rs b/crates/shirabe/tests/package/loader/root_package_loader_test.rs
new file mode 100644
index 00000000..6aee231c
--- /dev/null
+++ b/crates/shirabe/tests/package/loader/root_package_loader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Loader/RootPackageLoaderTest.php
diff --git a/crates/shirabe/tests/package/loader/validating_array_loader_test.rs b/crates/shirabe/tests/package/loader/validating_array_loader_test.rs
new file mode 100644
index 00000000..b9743976
--- /dev/null
+++ b/crates/shirabe/tests/package/loader/validating_array_loader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Loader/ValidatingArrayLoaderTest.php
diff --git a/crates/shirabe/tests/package/locker_test.rs b/crates/shirabe/tests/package/locker_test.rs
new file mode 100644
index 00000000..6bfc8bc8
--- /dev/null
+++ b/crates/shirabe/tests/package/locker_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/LockerTest.php
diff --git a/crates/shirabe/tests/package/root_alias_package_test.rs b/crates/shirabe/tests/package/root_alias_package_test.rs
new file mode 100644
index 00000000..fe979197
--- /dev/null
+++ b/crates/shirabe/tests/package/root_alias_package_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/RootAliasPackageTest.php
diff --git a/crates/shirabe/tests/package/version/version_bumper_test.rs b/crates/shirabe/tests/package/version/version_bumper_test.rs
new file mode 100644
index 00000000..1c9f82fa
--- /dev/null
+++ b/crates/shirabe/tests/package/version/version_bumper_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Version/VersionBumperTest.php
diff --git a/crates/shirabe/tests/package/version/version_guesser_test.rs b/crates/shirabe/tests/package/version/version_guesser_test.rs
new file mode 100644
index 00000000..4f91b89b
--- /dev/null
+++ b/crates/shirabe/tests/package/version/version_guesser_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Version/VersionGuesserTest.php
diff --git a/crates/shirabe/tests/package/version/version_parser_test.rs b/crates/shirabe/tests/package/version/version_parser_test.rs
new file mode 100644
index 00000000..b8a7a811
--- /dev/null
+++ b/crates/shirabe/tests/package/version/version_parser_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Version/VersionParserTest.php
diff --git a/crates/shirabe/tests/package/version/version_selector_test.rs b/crates/shirabe/tests/package/version/version_selector_test.rs
new file mode 100644
index 00000000..a97ae4b8
--- /dev/null
+++ b/crates/shirabe/tests/package/version/version_selector_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Package/Version/VersionSelectorTest.php
diff --git a/crates/shirabe/tests/platform/hhvm_detector_test.rs b/crates/shirabe/tests/platform/hhvm_detector_test.rs
new file mode 100644
index 00000000..11cb28c8
--- /dev/null
+++ b/crates/shirabe/tests/platform/hhvm_detector_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Platform/HhvmDetectorTest.php
diff --git a/crates/shirabe/tests/platform/runtime_test.rs b/crates/shirabe/tests/platform/runtime_test.rs
new file mode 100644
index 00000000..1fbb628d
--- /dev/null
+++ b/crates/shirabe/tests/platform/runtime_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Platform/RuntimeTest.php
diff --git a/crates/shirabe/tests/platform/version_test.rs b/crates/shirabe/tests/platform/version_test.rs
new file mode 100644
index 00000000..fc247f6f
--- /dev/null
+++ b/crates/shirabe/tests/platform/version_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Platform/VersionTest.php
diff --git a/crates/shirabe/tests/plugin/plugin_installer_test.rs b/crates/shirabe/tests/plugin/plugin_installer_test.rs
new file mode 100644
index 00000000..767a4783
--- /dev/null
+++ b/crates/shirabe/tests/plugin/plugin_installer_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Plugin/PluginInstallerTest.php
diff --git a/crates/shirabe/tests/question/strict_confirmation_question_test.rs b/crates/shirabe/tests/question/strict_confirmation_question_test.rs
new file mode 100644
index 00000000..e5a32996
--- /dev/null
+++ b/crates/shirabe/tests/question/strict_confirmation_question_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Question/StrictConfirmationQuestionTest.php
diff --git a/crates/shirabe/tests/repository/array_repository_test.rs b/crates/shirabe/tests/repository/array_repository_test.rs
new file mode 100644
index 00000000..a239eff1
--- /dev/null
+++ b/crates/shirabe/tests/repository/array_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/ArrayRepositoryTest.php
diff --git a/crates/shirabe/tests/repository/artifact_repository_test.rs b/crates/shirabe/tests/repository/artifact_repository_test.rs
new file mode 100644
index 00000000..cda20440
--- /dev/null
+++ b/crates/shirabe/tests/repository/artifact_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/ArtifactRepositoryTest.php
diff --git a/crates/shirabe/tests/repository/composer_repository_test.rs b/crates/shirabe/tests/repository/composer_repository_test.rs
new file mode 100644
index 00000000..627027ac
--- /dev/null
+++ b/crates/shirabe/tests/repository/composer_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/ComposerRepositoryTest.php
diff --git a/crates/shirabe/tests/repository/composite_repository_test.rs b/crates/shirabe/tests/repository/composite_repository_test.rs
new file mode 100644
index 00000000..cc8ddf2c
--- /dev/null
+++ b/crates/shirabe/tests/repository/composite_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/CompositeRepositoryTest.php
diff --git a/crates/shirabe/tests/repository/filesystem_repository_test.rs b/crates/shirabe/tests/repository/filesystem_repository_test.rs
new file mode 100644
index 00000000..83f879df
--- /dev/null
+++ b/crates/shirabe/tests/repository/filesystem_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/FilesystemRepositoryTest.php
diff --git a/crates/shirabe/tests/repository/filter_repository_test.rs b/crates/shirabe/tests/repository/filter_repository_test.rs
new file mode 100644
index 00000000..bbb46c5d
--- /dev/null
+++ b/crates/shirabe/tests/repository/filter_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/FilterRepositoryTest.php
diff --git a/crates/shirabe/tests/repository/installed_repository_test.rs b/crates/shirabe/tests/repository/installed_repository_test.rs
new file mode 100644
index 00000000..510923a6
--- /dev/null
+++ b/crates/shirabe/tests/repository/installed_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/InstalledRepositoryTest.php
diff --git a/crates/shirabe/tests/repository/path_repository_test.rs b/crates/shirabe/tests/repository/path_repository_test.rs
new file mode 100644
index 00000000..93ef6bf5
--- /dev/null
+++ b/crates/shirabe/tests/repository/path_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/PathRepositoryTest.php
diff --git a/crates/shirabe/tests/repository/platform_repository_test.rs b/crates/shirabe/tests/repository/platform_repository_test.rs
new file mode 100644
index 00000000..d4028b1a
--- /dev/null
+++ b/crates/shirabe/tests/repository/platform_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/PlatformRepositoryTest.php
diff --git a/crates/shirabe/tests/repository/repository_factory_test.rs b/crates/shirabe/tests/repository/repository_factory_test.rs
new file mode 100644
index 00000000..b8784490
--- /dev/null
+++ b/crates/shirabe/tests/repository/repository_factory_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/RepositoryFactoryTest.php
diff --git a/crates/shirabe/tests/repository/repository_manager_test.rs b/crates/shirabe/tests/repository/repository_manager_test.rs
new file mode 100644
index 00000000..6af58e85
--- /dev/null
+++ b/crates/shirabe/tests/repository/repository_manager_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/RepositoryManagerTest.php
diff --git a/crates/shirabe/tests/repository/repository_utils_test.rs b/crates/shirabe/tests/repository/repository_utils_test.rs
new file mode 100644
index 00000000..b732b42a
--- /dev/null
+++ b/crates/shirabe/tests/repository/repository_utils_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/RepositoryUtilsTest.php
diff --git a/crates/shirabe/tests/repository/vcs/forgejo_driver_test.rs b/crates/shirabe/tests/repository/vcs/forgejo_driver_test.rs
new file mode 100644
index 00000000..9b9760ab
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs/forgejo_driver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/Vcs/ForgejoDriverTest.php
diff --git a/crates/shirabe/tests/repository/vcs/fossil_driver_test.rs b/crates/shirabe/tests/repository/vcs/fossil_driver_test.rs
new file mode 100644
index 00000000..9cfb4a78
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs/fossil_driver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/Vcs/FossilDriverTest.php
diff --git a/crates/shirabe/tests/repository/vcs/git_bitbucket_driver_test.rs b/crates/shirabe/tests/repository/vcs/git_bitbucket_driver_test.rs
new file mode 100644
index 00000000..2c6d4278
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs/git_bitbucket_driver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/Vcs/GitBitbucketDriverTest.php
diff --git a/crates/shirabe/tests/repository/vcs/git_driver_test.rs b/crates/shirabe/tests/repository/vcs/git_driver_test.rs
new file mode 100644
index 00000000..c915947c
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs/git_driver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/Vcs/GitDriverTest.php
diff --git a/crates/shirabe/tests/repository/vcs/github_driver_test.rs b/crates/shirabe/tests/repository/vcs/github_driver_test.rs
new file mode 100644
index 00000000..fd27768d
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs/github_driver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/Vcs/GitHubDriverTest.php
diff --git a/crates/shirabe/tests/repository/vcs/gitlab_driver_test.rs b/crates/shirabe/tests/repository/vcs/gitlab_driver_test.rs
new file mode 100644
index 00000000..7543394c
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs/gitlab_driver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/Vcs/GitLabDriverTest.php
diff --git a/crates/shirabe/tests/repository/vcs/hg_driver_test.rs b/crates/shirabe/tests/repository/vcs/hg_driver_test.rs
new file mode 100644
index 00000000..30be4859
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs/hg_driver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/Vcs/HgDriverTest.php
diff --git a/crates/shirabe/tests/repository/vcs/perforce_driver_test.rs b/crates/shirabe/tests/repository/vcs/perforce_driver_test.rs
new file mode 100644
index 00000000..68e251f8
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs/perforce_driver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/Vcs/PerforceDriverTest.php
diff --git a/crates/shirabe/tests/repository/vcs/svn_driver_test.rs b/crates/shirabe/tests/repository/vcs/svn_driver_test.rs
new file mode 100644
index 00000000..ad85dc7b
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs/svn_driver_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/Vcs/SvnDriverTest.php
diff --git a/crates/shirabe/tests/repository/vcs_repository_test.rs b/crates/shirabe/tests/repository/vcs_repository_test.rs
new file mode 100644
index 00000000..a830f0ec
--- /dev/null
+++ b/crates/shirabe/tests/repository/vcs_repository_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Repository/VcsRepositoryTest.php
diff --git a/crates/shirabe/tests/script/event_test.rs b/crates/shirabe/tests/script/event_test.rs
new file mode 100644
index 00000000..47891c76
--- /dev/null
+++ b/crates/shirabe/tests/script/event_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Script/EventTest.php
diff --git a/crates/shirabe/tests/util/auth_helper_test.rs b/crates/shirabe/tests/util/auth_helper_test.rs
new file mode 100644
index 00000000..9ff7446d
--- /dev/null
+++ b/crates/shirabe/tests/util/auth_helper_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/AuthHelperTest.php
diff --git a/crates/shirabe/tests/util/bitbucket_test.rs b/crates/shirabe/tests/util/bitbucket_test.rs
new file mode 100644
index 00000000..43cd2a4a
--- /dev/null
+++ b/crates/shirabe/tests/util/bitbucket_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/BitbucketTest.php
diff --git a/crates/shirabe/tests/util/config_validator_test.rs b/crates/shirabe/tests/util/config_validator_test.rs
new file mode 100644
index 00000000..8aa46a7e
--- /dev/null
+++ b/crates/shirabe/tests/util/config_validator_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/ConfigValidatorTest.php
diff --git a/crates/shirabe/tests/util/error_handler_test.rs b/crates/shirabe/tests/util/error_handler_test.rs
new file mode 100644
index 00000000..3fecc60c
--- /dev/null
+++ b/crates/shirabe/tests/util/error_handler_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/ErrorHandlerTest.php
diff --git a/crates/shirabe/tests/util/filesystem_test.rs b/crates/shirabe/tests/util/filesystem_test.rs
new file mode 100644
index 00000000..16ffd3c9
--- /dev/null
+++ b/crates/shirabe/tests/util/filesystem_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/FilesystemTest.php
diff --git a/crates/shirabe/tests/util/forgejo_test.rs b/crates/shirabe/tests/util/forgejo_test.rs
new file mode 100644
index 00000000..9965d362
--- /dev/null
+++ b/crates/shirabe/tests/util/forgejo_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/ForgejoTest.php
diff --git a/crates/shirabe/tests/util/forgejo_url_test.rs b/crates/shirabe/tests/util/forgejo_url_test.rs
new file mode 100644
index 00000000..970578ee
--- /dev/null
+++ b/crates/shirabe/tests/util/forgejo_url_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/ForgejoUrlTest.php
diff --git a/crates/shirabe/tests/util/git_test.rs b/crates/shirabe/tests/util/git_test.rs
new file mode 100644
index 00000000..f8cf3d78
--- /dev/null
+++ b/crates/shirabe/tests/util/git_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/GitTest.php
diff --git a/crates/shirabe/tests/util/github_test.rs b/crates/shirabe/tests/util/github_test.rs
new file mode 100644
index 00000000..9a3271a9
--- /dev/null
+++ b/crates/shirabe/tests/util/github_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/GitHubTest.php
diff --git a/crates/shirabe/tests/util/gitlab_test.rs b/crates/shirabe/tests/util/gitlab_test.rs
new file mode 100644
index 00000000..2f42f476
--- /dev/null
+++ b/crates/shirabe/tests/util/gitlab_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/GitLabTest.php
diff --git a/crates/shirabe/tests/util/http/proxy_item_test.rs b/crates/shirabe/tests/util/http/proxy_item_test.rs
new file mode 100644
index 00000000..2c2be9e3
--- /dev/null
+++ b/crates/shirabe/tests/util/http/proxy_item_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/Http/ProxyItemTest.php
diff --git a/crates/shirabe/tests/util/http/proxy_manager_test.rs b/crates/shirabe/tests/util/http/proxy_manager_test.rs
new file mode 100644
index 00000000..a37c45bc
--- /dev/null
+++ b/crates/shirabe/tests/util/http/proxy_manager_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/Http/ProxyManagerTest.php
diff --git a/crates/shirabe/tests/util/http/request_proxy_test.rs b/crates/shirabe/tests/util/http/request_proxy_test.rs
new file mode 100644
index 00000000..37da071f
--- /dev/null
+++ b/crates/shirabe/tests/util/http/request_proxy_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/Http/RequestProxyTest.php
diff --git a/crates/shirabe/tests/util/http_downloader_test.rs b/crates/shirabe/tests/util/http_downloader_test.rs
new file mode 100644
index 00000000..e7fcb7b7
--- /dev/null
+++ b/crates/shirabe/tests/util/http_downloader_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/HttpDownloaderTest.php
diff --git a/crates/shirabe/tests/util/ini_helper_test.rs b/crates/shirabe/tests/util/ini_helper_test.rs
new file mode 100644
index 00000000..69f6f1b7
--- /dev/null
+++ b/crates/shirabe/tests/util/ini_helper_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/IniHelperTest.php
diff --git a/crates/shirabe/tests/util/metadata_minifier_test.rs b/crates/shirabe/tests/util/metadata_minifier_test.rs
new file mode 100644
index 00000000..7caa7aee
--- /dev/null
+++ b/crates/shirabe/tests/util/metadata_minifier_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/MetadataMinifierTest.php
diff --git a/crates/shirabe/tests/util/no_proxy_pattern_test.rs b/crates/shirabe/tests/util/no_proxy_pattern_test.rs
new file mode 100644
index 00000000..82e0ae70
--- /dev/null
+++ b/crates/shirabe/tests/util/no_proxy_pattern_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/NoProxyPatternTest.php
diff --git a/crates/shirabe/tests/util/package_sorter_test.rs b/crates/shirabe/tests/util/package_sorter_test.rs
new file mode 100644
index 00000000..a162ac8f
--- /dev/null
+++ b/crates/shirabe/tests/util/package_sorter_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/PackageSorterTest.php
diff --git a/crates/shirabe/tests/util/perforce_test.rs b/crates/shirabe/tests/util/perforce_test.rs
new file mode 100644
index 00000000..3a1a5a3e
--- /dev/null
+++ b/crates/shirabe/tests/util/perforce_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/PerforceTest.php
diff --git a/crates/shirabe/tests/util/platform_test.rs b/crates/shirabe/tests/util/platform_test.rs
new file mode 100644
index 00000000..90ce6ad4
--- /dev/null
+++ b/crates/shirabe/tests/util/platform_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/PlatformTest.php
diff --git a/crates/shirabe/tests/util/process_executor_test.rs b/crates/shirabe/tests/util/process_executor_test.rs
new file mode 100644
index 00000000..6b30c9de
--- /dev/null
+++ b/crates/shirabe/tests/util/process_executor_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/ProcessExecutorTest.php
diff --git a/crates/shirabe/tests/util/remote_filesystem_test.rs b/crates/shirabe/tests/util/remote_filesystem_test.rs
new file mode 100644
index 00000000..ffd1744e
--- /dev/null
+++ b/crates/shirabe/tests/util/remote_filesystem_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/RemoteFilesystemTest.php
diff --git a/crates/shirabe/tests/util/silencer_test.rs b/crates/shirabe/tests/util/silencer_test.rs
new file mode 100644
index 00000000..8152b6ec
--- /dev/null
+++ b/crates/shirabe/tests/util/silencer_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/SilencerTest.php
diff --git a/crates/shirabe/tests/util/stream_context_factory_test.rs b/crates/shirabe/tests/util/stream_context_factory_test.rs
new file mode 100644
index 00000000..4c18a09c
--- /dev/null
+++ b/crates/shirabe/tests/util/stream_context_factory_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/StreamContextFactoryTest.php
diff --git a/crates/shirabe/tests/util/svn_test.rs b/crates/shirabe/tests/util/svn_test.rs
new file mode 100644
index 00000000..65cbeca2
--- /dev/null
+++ b/crates/shirabe/tests/util/svn_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/SvnTest.php
diff --git a/crates/shirabe/tests/util/tar_test.rs b/crates/shirabe/tests/util/tar_test.rs
new file mode 100644
index 00000000..6bba0b56
--- /dev/null
+++ b/crates/shirabe/tests/util/tar_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/TarTest.php
diff --git a/crates/shirabe/tests/util/tls_helper_test.rs b/crates/shirabe/tests/util/tls_helper_test.rs
new file mode 100644
index 00000000..13abf77f
--- /dev/null
+++ b/crates/shirabe/tests/util/tls_helper_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/TlsHelperTest.php
diff --git a/crates/shirabe/tests/util/url_test.rs b/crates/shirabe/tests/util/url_test.rs
new file mode 100644
index 00000000..d900457f
--- /dev/null
+++ b/crates/shirabe/tests/util/url_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/UrlTest.php
diff --git a/crates/shirabe/tests/util/zip_test.rs b/crates/shirabe/tests/util/zip_test.rs
new file mode 100644
index 00000000..2d855224
--- /dev/null
+++ b/crates/shirabe/tests/util/zip_test.rs
@@ -0,0 +1 @@
+//! ref: composer/tests/Composer/Test/Util/ZipTest.php