chore: add test for some functions in jdk_finder

Author: tromai

tests/build_spec_generator/test_jdk_version_finder.py

@@ -0,0 +1,102 @@
+# Copyright (c) 2025 - 2025, Oracle and/or its affiliates. All rights reserved.
+# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/.
+
+"""This module contains the tests for the jdk_finder module."""
+
+import zipfile
+from pathlib import Path
+
+import pytest
+
+from macaron.build_spec_generator.jdk_finder import get_jdk_version_from_jar, join_remote_maven_repo_url
+
+
+@pytest.mark.parametrize(
+    ("remote_maven_url", "maven_repo_path", "expected"),
+    [
+        pytest.param(
+            "https://repo1.maven.org/maven2",
+            "com/oracle/",
+            "https://repo1.maven.org/maven2/com/oracle/",
+            id="g_coordinate",
+        ),
+        pytest.param(
+            "https://repo1.maven.org/maven2",
+            "com/oracle/macaron/",
+            "https://repo1.maven.org/maven2/com/oracle/macaron/",
+            id="ga_coordinate",
+        ),
+        pytest.param(
+            "https://repo1.maven.org/maven2",
+            "com/oracle/macaron/0.16.0/",
+            "https://repo1.maven.org/maven2/com/oracle/macaron/0.16.0/",
+            id="gav_coordinate",
+        ),
+        pytest.param(
+            "https://repo1.maven.org/maven2",
+            "com/oracle/macaron/0.16.0/macaron-0.16.0.jar",
+            "https://repo1.maven.org/maven2/com/oracle/macaron/0.16.0/macaron-0.16.0.jar",
+            id="gav_asset_coordinate",
+        ),
+        pytest.param(
+            "https://repo1.maven.org/maven2/",
+            "com/oracle/macaron/0.16.0/",
+            "https://repo1.maven.org/maven2/com/oracle/macaron/0.16.0/",
+            id="handle_trailing_slash_in_remote_maven_url",
+        ),
+    ],
+)
+def test_join_remote_maven_repo_url(
+    remote_maven_url: str,
+    maven_repo_path: str,
+    expected: str,
+) -> None:
+    """Test the join remote maven repo url function."""
+    assert (
+        join_remote_maven_repo_url(
+            remote_maven_url=remote_maven_url,
+            maven_repo_path=maven_repo_path,
+        )
+        == expected
+    )
+
+
+@pytest.mark.parametrize(
+    ("manifest_mf_content", "expected"),
+    [
+        ("Build-Jdk: 1.8", "1.8"),
+        ("Build-Jdk-Spec: 8", "8"),
+    ],
+)
+def test_get_jdk_version_from_jar_succeed(
+    tmp_path: Path,
+    manifest_mf_content: str,
+    expected: str,
+) -> None:
+    """Test the get_jdk_version_from_jar function on valid cases."""
+    test_jar_file = tmp_path / "example.jar"
+
+    with zipfile.ZipFile(test_jar_file, mode="w") as test_jar:
+        test_jar.writestr("META-INF/MANIFEST.MF", manifest_mf_content)
+
+    assert get_jdk_version_from_jar(str(test_jar_file)) == expected
+
+
+@pytest.mark.parametrize(
+    ("manifest_mf_content"),
+    [
+        (""),
+        ("Build-Jdk-Spec: "),
+    ],
+)
+def test_get_jdk_version_from_jar_failed(
+    tmp_path: Path,
+    manifest_mf_content: str,
+) -> None:
+    """Test the get_jdk_version_from_jar function on error cases."""
+    test_jar_file = tmp_path / "example.jar"
+
+    with zipfile.ZipFile(test_jar_file, mode="w") as test_jar:
+        test_jar.writestr("META-INF/MANIFEST.MF", manifest_mf_content)
+
+    assert not get_jdk_version_from_jar(str(test_jar_file))