Merge pull request #3570 from sangongs/fix_stack_finalizer

Continue to call finalizers in the stack when a finalizer raises an exception

AUTHORS

@@ -82,6 +82,7 @@ Greg Price
 Grig Gheorghiu
 Grigorii Eremeev (budulianin)
 Guido Wesdorp
+Guoqiang Zhang
 Harald Armin Massa
 Henk-Jaap Wagenaar
 Hugo van Kemenade

changelog/3569.bugfix.rst

@@ -0,0 +1 @@
+Continue to call finalizers in the stack when a finalizer in a former scope raises an exception.

src/_pytest/runner.py

@@ -527,10 +527,19 @@ def teardown_exact(self, item, nextitem):
         self._teardown_towards(needed_collectors)
 
     def _teardown_towards(self, needed_collectors):
+        exc = None
         while self.stack:
             if self.stack == needed_collectors[:len(self.stack)]:
                 break
-            self._pop_and_teardown()
+            try:
+                self._pop_and_teardown()
+            except TEST_OUTCOME:
+                # XXX Only first exception will be seen by user,
+                #     ideally all should be reported.
+                if exc is None:
+                    exc = sys.exc_info()
+        if exc:
+            py.builtin._reraise(*exc)
 
     def prepare(self, colitem):
         """ setup objects along the collector chain to the test-method

testing/test_runner.py

@@ -81,6 +81,24 @@ def fin2():
             ss._callfinalizers(item)
         assert err.value.args == ("oops2",)
 
+    def test_teardown_multiple_scopes_one_fails(self, testdir):
+        module_teardown = []
+
+        def fin_func():
+            raise Exception("oops1")
+
+        def fin_module():
+            module_teardown.append("fin_module")
+
+        item = testdir.getitem("def test_func(): pass")
+        ss = runner.SetupState()
+        ss.addfinalizer(fin_module, item.listchain()[-2])
+        ss.addfinalizer(fin_func, item)
+        ss.prepare(item)
+        with pytest.raises(Exception, match="oops1"):
+            ss.teardown_exact(item, None)
+        assert module_teardown
+
 
 class BaseFunctionalTests(object):