Make sure inheritance works for fixtures, fixes #791

test/completion/conftest.py

@@ -15,3 +15,8 @@ def my_conftest_fixture(my_other_conftest_fixture):
 
 def my_not_existing_fixture():
     return 3  # Just a normal function
+
+
+@pytest.fixture()
+def inheritance_fixture():
+    return ''

test/completion/pytest.py

@@ -137,3 +137,33 @@ def test_p(capsysbin
 
 #? ['tmpdir', 'tmpdir_factory']
 def test_p(tmpdi
+
+
+def close_parens():
+    pass
+# -----------------
+# inheritance
+# -----------------
+
+@fixture
+#? 40 ['inheritance_fixture']
+def inheritance_fixture(inheritance_fixture):
+    #? str()
+    inheritance_fixture
+    #? ['upper']
+    inheritance_fixture.upper
+    return 1
+
+
+#! 48 ['def inheritance_fixture']
+def test_inheritance_fixture(inheritance_fixture, caplog):
+    #? int()
+    inheritance_fixture
+
+    #? ['set_level']
+    caplog.set_le
+
+
+@pytest.fixture
+def caplog(caplog):
+    yield caplog