bpo-32248: Implement importlib.abc.ResourceReader (GH-4892)

1 files changed, 39 insertions, 0 deletions

diff --git a/Lib/test/test_importlib/test_abc.py b/Lib/test/test_importlib/test_abc.py
index 4ba28c6638..f1e1db3562 100644
--- a/Lib/test/test_importlib/test_abc.py
+++ b/Lib/test/test_importlib/test_abc.py
@@ -305,6 +305,45 @@ class ExecutionLoaderDefaultsTests(ABCTestHarness):
  ) = test_util.test_both(InspectLoaderDefaultsTests)
 
 
+class ResourceReader:
+
+    def open_resource(self, *args, **kwargs):
+        return super().open_resource(*args, **kwargs)
+
+    def resource_path(self, *args, **kwargs):
+        return super().resource_path(*args, **kwargs)
+
+    def is_resource(self, *args, **kwargs):
+        return super().is_resource(*args, **kwargs)
+
+    def contents(self, *args, **kwargs):
+        return super().contents(*args, **kwargs)
+
+
+class ResourceReaderDefaultsTests(ABCTestHarness):
+
+    SPLIT = make_abc_subclasses(ResourceReader)
+
+    def test_open_resource(self):
+        with self.assertRaises(FileNotFoundError):
+            self.ins.open_resource('dummy_file')
+
+    def test_resource_path(self):
+        with self.assertRaises(FileNotFoundError):
+            self.ins.resource_path('dummy_file')
+
+    def test_is_resource(self):
+        with self.assertRaises(FileNotFoundError):
+            self.ins.is_resource('dummy_file')
+
+    def test_contents(self):
+        self.assertEqual([], list(self.ins.contents()))
+
+(Frozen_RRDefaultTests,
+ Source_RRDefaultsTests
+ ) = test_util.test_both(ResourceReaderDefaultsTests)
+
+
 ##### MetaPathFinder concrete methods ##########################################
 class MetaPathFinderFindModuleTests: