tests: make tests independent of currently available Python versions (#10547)

Author: radoering

tests/masonry/builders/test_editable_builder.py

@@ -109,6 +109,24 @@ def expected_metadata_version() -> str:
     return metadata.metadata_version
 
 
+def expected_python_classifiers(min_version: str | None = None) -> str:
+    if min_version:
+        min_version_tuple = tuple(map(int, min_version.split(".")))
+        relevant_versions = set()
+        for version in Package.AVAILABLE_PYTHONS:
+            version_tuple = tuple(map(int, version.split(".")))
+            if version_tuple >= min_version_tuple[: len(version_tuple)]:
+                relevant_versions.add(version)
+    else:
+        relevant_versions = Package.AVAILABLE_PYTHONS
+    return "\n".join(
+        f"Classifier: Programming Language :: Python :: {version}"
+        for version in sorted(
+            relevant_versions, key=lambda x: tuple(map(int, x.split(".")))
+        )
+    )
+
+
 @pytest.mark.parametrize("project", ("simple_project", "simple_project_legacy"))
 def test_builder_installs_proper_files_for_standard_packages(
     project: str,
@@ -163,16 +181,8 @@ def test_builder_installs_proper_files_for_standard_packages(
         == "[console_scripts]\nbaz=bar:baz.boom.bim\nfoo=foo:bar\n"
         "fox=fuz.foo:bar.baz\n\n"
     )
-    python_classifiers = "\n".join(
-        f"Classifier: Programming Language :: Python :: {version}"
-        for version in sorted(
-            Package.AVAILABLE_PYTHONS,
-            key=lambda x: tuple(map(int, x.split("."))),
-        )
-    )
-    metadata_version = expected_metadata_version()
     metadata = f"""\
-Metadata-Version: {metadata_version}
+Metadata-Version: {expected_metadata_version()}
 Name: simple-project
 Version: 1.2.3
 Summary: Some description.
@@ -183,7 +193,7 @@ def test_builder_installs_proper_files_for_standard_packages(
 Author-email: sebastien@eustace.io
 Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*
 Classifier: License :: OSI Approved :: MIT License
-{python_classifiers}
+{expected_python_classifiers()}
 Classifier: Topic :: Software Development :: Build Tools
 Classifier: Topic :: Software Development :: Libraries :: Python Modules
 Project-URL: Documentation, https://python-poetry.org/docs
@@ -346,9 +356,8 @@ def test_builder_generates_proper_metadata_when_multiple_readme_files(
     dist_info = tmp_venv.site_packages.find(dist_info)[0]
     assert dist_info.joinpath("METADATA").exists()
 
-    metadata_version = expected_metadata_version()
     metadata = f"""\
-Metadata-Version: {metadata_version}
+Metadata-Version: {expected_metadata_version()}
 Name: my-package
 Version: 0.1
 Summary: Some description.
@@ -357,14 +366,7 @@ def test_builder_generates_proper_metadata_when_multiple_readme_files(
 Author-email: you@example.com
 Requires-Python: >=3.7,<4.0
 Classifier: License :: OSI Approved :: MIT License
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.7
-Classifier: Programming Language :: Python :: 3.8
-Classifier: Programming Language :: Python :: 3.9
-Classifier: Programming Language :: Python :: 3.10
-Classifier: Programming Language :: Python :: 3.11
-Classifier: Programming Language :: Python :: 3.12
-Classifier: Programming Language :: Python :: 3.13
+{expected_python_classifiers("3.7")}
 Project-URL: Homepage, https://python-poetry.org
 Description-Content-Type: text/x-rst