1 files changed, 58 insertions, 0 deletions
diff --git a/crates/shirabe/tests/util/tar_test.rs b/crates/shirabe/tests/util/tar_test.rs
index 6bba0b5..3a8aa75 100644
--- a/crates/shirabe/tests/util/tar_test.rs
+++ b/crates/shirabe/tests/util/tar_test.rs
@@ -1 +1,59 @@
 //! ref: composer/tests/Composer/Test/Util/TarTest.php
+
+use shirabe::util::tar::Tar;
+
+/// Reuses the PHP fixtures under composer/tests/Composer/Test/Util/Fixtures/Tar.
+fn fixture(name: &str) -> String {
+    format!(
+        "{}/../../composer/tests/Composer/Test/Util/Fixtures/Tar/{}",
+        env!("CARGO_MANIFEST_DIR"),
+        name
+    )
+}
+
+#[test]
+#[ignore = "PharData::new is todo!() in the php-shim"]
+fn test_returns_nullif_the_tar_is_not_found() {
+    let result = Tar::get_composer_json(&fixture("invalid.zip")).unwrap();
+
+    assert_eq!(None, result);
+}
+
+#[test]
+#[ignore = "PharData::new is todo!() in the php-shim"]
+fn test_returns_null_if_the_tar_is_empty() {
+    let result = Tar::get_composer_json(&fixture("empty.tar.gz")).unwrap();
+    assert_eq!(None, result);
+}
+
+#[test]
+#[ignore = "PharData::new is todo!() in the php-shim"]
+fn test_throws_exception_if_the_tar_has_no_composer_json() {
+    assert!(Tar::get_composer_json(&fixture("nojson.tar.gz")).is_err());
+}
+
+#[test]
+#[ignore = "PharData::new is todo!() in the php-shim"]
+fn test_throws_exception_if_the_composer_json_is_in_a_sub_subfolder() {
+    assert!(Tar::get_composer_json(&fixture("subfolders.tar.gz")).is_err());
+}
+
+#[test]
+#[ignore = "PharData::new is todo!() in the php-shim"]
+fn test_returns_composer_json_in_tar_root() {
+    let result = Tar::get_composer_json(&fixture("root.tar.gz")).unwrap();
+    assert_eq!(Some("{\n    \"name\": \"foo/bar\"\n}\n".to_string()), result);
+}
+
+#[test]
+#[ignore = "PharData::new is todo!() in the php-shim"]
+fn test_returns_composer_json_in_first_folder() {
+    let result = Tar::get_composer_json(&fixture("folder.tar.gz")).unwrap();
+    assert_eq!(Some("{\n    \"name\": \"foo/bar\"\n}\n".to_string()), result);
+}
+
+#[test]
+#[ignore = "PharData::new is todo!() in the php-shim"]
+fn test_multiple_top_level_dirs_is_invalid() {
+    assert!(Tar::get_composer_json(&fixture("multiple.tar.gz")).is_err());
+}