Bug 1623339 - [mozlint] Add a test for pathutils.expand_exclusions, r=linter-reviewers,sylvestre

Differential Revision: https://phabricator.services.mozilla.com/D67334

python/mozlint/mozlint/pathutils.py

@@ -287,6 +287,7 @@ def expand_exclusions(paths, config, root):
                 continue
 
             yield path
+            continue
 
         ignore = [e[len(path):].lstrip('/') for e in exclude
                   if mozpath.commonprefix((path, e)) == path]

python/mozlint/test/test_pathutils.py

@@ -22,7 +22,7 @@ def assert_paths(a, b):
     assert set(map(normalize, a)) == set(map(normalize, b))
 
 
-TEST_CASES = (
+@pytest.mark.parametrize('test', (
     {
         'paths': ['a.js', 'subdir1/subdir3/d.js'],
         'include': ['.'],
@@ -71,10 +71,7 @@ TEST_CASES = (
         'exclude': [],
         'expected': [],
     }
-)
+))
-
-
-@pytest.mark.parametrize('test', TEST_CASES)
 def test_filterpaths(test):
     expected = test.pop('expected')
     expected_exclude = test.pop('expected_exclude', [])
@@ -84,6 +81,31 @@ def test_filterpaths(test):
     assert_paths(exclude, expected_exclude)
 
 
+@pytest.mark.parametrize('test', (
+    {
+        'paths': ['subdir1/b.js'],
+        'config': {
+            'exclude': ['subdir1'],
+            'extensions': 'js',
+        },
+        'expected': [],
+    },
+    {
+        'paths': ['subdir1/subdir3'],
+        'config': {
+            'exclude': ['subdir1'],
+            'extensions': 'js',
+        },
+        'expected': [],
+    },
+))
+def test_expand_exclusions(test):
+    expected = test.pop('expected', [])
+
+    paths = list(pathutils.expand_exclusions(test['paths'], test['config'], root))
+    assert_paths(paths, expected)
+
+
 @pytest.mark.parametrize('paths,expected', [
     (['subdir1/*'], ['subdir1']),
     (['subdir2/*'], ['subdir2']),