test: port TlsHelperTest and HhvmDetectorTest as stubs

TlsHelper is not ported; the HhvmDetector cases are always skipped (no HHVM,
no hhvm executable). All ignored/todo!(). setUp not ported.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

4 files changed, 26 insertions, 0 deletions

diff --git a/crates/shirabe/tests/platform/hhvm_detector_test.rs b/crates/shirabe/tests/platform/hhvm_detector_test.rs
index 11cb28c..8c420e5 100644
--- a/crates/shirabe/tests/platform/hhvm_detector_test.rs
+++ b/crates/shirabe/tests/platform/hhvm_detector_test.rs
@@ -1 +1,13 @@
 //! ref: composer/tests/Composer/Test/Platform/HhvmDetectorTest.php
+
+#[test]
+#[ignore = "skipped unless running under HHVM (HHVM_VERSION_ID defined), which never holds here"]
+fn test_hhvm_version_when_executing_in_hhvm() {
+    todo!()
+}
+
+#[test]
+#[ignore = "needs an installed hhvm executable plus ExecutableFinder/ProcessExecutor; skipped in PHP when hhvm is absent"]
+fn test_hhvm_version_when_executing_in_php() {
+    todo!()
+}
diff --git a/crates/shirabe/tests/platform/main.rs b/crates/shirabe/tests/platform/main.rs
index ec5caf5..936049a 100644
--- a/crates/shirabe/tests/platform/main.rs
+++ b/crates/shirabe/tests/platform/main.rs
@@ -1,2 +1,3 @@
+mod hhvm_detector_test;
 mod runtime_test;
 mod version_test;
diff --git a/crates/shirabe/tests/util/main.rs b/crates/shirabe/tests/util/main.rs
index 1fb221b..4327bda 100644
--- a/crates/shirabe/tests/util/main.rs
+++ b/crates/shirabe/tests/util/main.rs
@@ -8,5 +8,6 @@ mod package_sorter_test;
 mod platform_test;
 mod silencer_test;
 mod tar_test;
+mod tls_helper_test;
 mod url_test;
 mod zip_test;
diff --git a/crates/shirabe/tests/util/tls_helper_test.rs b/crates/shirabe/tests/util/tls_helper_test.rs
index 13abf77..260ff47 100644
--- a/crates/shirabe/tests/util/tls_helper_test.rs
+++ b/crates/shirabe/tests/util/tls_helper_test.rs
@@ -1 +1,13 @@
 //! ref: composer/tests/Composer/Test/Util/TlsHelperTest.php
+
+#[test]
+#[ignore = "Composer\\Util\\TlsHelper is not yet ported"]
+fn test_check_certificate_host() {
+    todo!()
+}
+
+#[test]
+#[ignore = "Composer\\Util\\TlsHelper is not yet ported"]
+fn test_get_certificate_names() {
+    todo!()
+}