add test for find_distributions

kulikjak · takluyver · commit 38cb960966cb · 2026-02-18T15:29:37.000Z
diff --git a/tests/samples/distribution_mismatch/backend/_pkg-0.0.1.dist-info/METADATA b/tests/samples/distribution_mismatch/backend/_pkg-0.0.1.dist-info/METADATA
@@ -0,0 +1,2 @@
+Name: _pkg
+Version: 0.0.1
diff --git a/tests/samples/distribution_mismatch/backend/intree_backend.py b/tests/samples/distribution_mismatch/backend/intree_backend.py
@@ -0,0 +1,6 @@
+from importlib.metadata import distribution
+
+
+def get_requires_for_build_sdist(config_settings):
+    dist = distribution("setuptools")  # not present in backend-path
+    return [dist.version]
diff --git a/tests/samples/distribution_mismatch/pyproject.toml b/tests/samples/distribution_mismatch/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+build-backend = 'intree_backend'
+backend-path = ['backend']
diff --git a/tests/samples/pkg_intree_metadata/backend/_test_bootstrap-0.0.1.dist-info/METADATA b/tests/samples/pkg_intree_metadata/backend/_test_bootstrap-0.0.1.dist-info/METADATA
diff --git a/tests/samples/pkg_intree_metadata/backend/_test_bootstrap-0.0.1.dist-info/entry_points.txt b/tests/samples/pkg_intree_metadata/backend/_test_bootstrap-0.0.1.dist-info/entry_points.txt
diff --git a/tests/test_inplace_hooks.py b/tests/test_inplace_hooks.py
@@ -100,6 +100,13 @@ def test_intree_backend_importlib_metadata_interoperation():
     ]
 
 
+def test_distribution_mismatch():
+    pytest.importorskip("importlib.metadata")
+
+    hooks = get_hooks("distribution_mismatch")
+    assert hooks.get_requires_for_build_sdist({}) != ["0.0.1"]
+
+
 def install_finder_with_sitecustomize(directory, mapping):
     finder = f"""
         import sys

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+[build-system]`
	`2`	`+build-backend = 'intree_backend'`
	`3`	`+backend-path = ['backend']`