Test the no-plugin case

pytest-dev · Aug 29, 2017 · 8fd6900 · 8fd6900
1 parent 6954151
commit 8fd6900
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/testing/test_hookrelay.py b/testing/test_hookrelay.py
@@ -113,3 +113,17 @@ def hello(self, arg):
     pm.register(Plugin1())
     res = pm.hook.hello(arg=3)
     assert res == None
+
+
+def test_firstresult_no_plugin(pm):
+    """If no implementations/plugins have been registered for a firstresult
+    hook the multi-call loop should return a None value.
+    """
+    class Api(object):
+        @hookspec(firstresult=True)
+        def hello(self, arg):
+            "api hook 1"
+
+    pm.add_hookspecs(Api)
+    res = pm.hook.hello(arg=3)
+    assert res == None