[svn r63908] first step in only allowing keyword arguments to plugin calls

--HG--
branch : trunk

py/_com.py

@@ -139,8 +139,10 @@ class ApiCall:
         return "<ApiCall %r mode=%s %s>" %(self.name, mode, self.registry)
 
     def __call__(self, *args, **kwargs):
-        mc = MultiCall(self.registry.listattr(self.name), *args, **kwargs)
+        if args:
-        #print "making multicall", self
+            raise TypeError("only keyword arguments allowed "
+                            "for api call to %r" % self.name)
+        mc = MultiCall(self.registry.listattr(self.name), **kwargs)
         return mc.execute(firstresult=self.firstresult)
 
 comregistry = Registry()

py/misc/testing/test_com.py

@@ -177,10 +177,20 @@ class TestPluginAPI:
             def hello(self, arg):
                 return arg + 1
         registry.register(Plugin())
-        l = mcm.hello(3)
+        l = mcm.hello(arg=3)
         assert l == [4]
         assert not hasattr(mcm, 'world')
 
+    def test_needskeywordargs(self):
+        registry = Registry()
+        class Api:
+            def hello(self, arg):
+                pass
+        mcm = PluginAPI(apiclass=Api, registry=registry)
+        excinfo = py.test.raises(TypeError, "mcm.hello(3)")
+        assert str(excinfo.value).find("only keyword arguments") != -1
+        assert str(excinfo.value).find("hello(self, arg)")
+
     def test_firstresult(self):
         registry = Registry()
         class Api:
@@ -192,7 +202,7 @@ class TestPluginAPI:
             def hello(self, arg):
                 return arg + 1
         registry.register(Plugin())
-        res = mcm.hello(3)
+        res = mcm.hello(arg=3)
         assert res == 4
 
     def test_default_plugins(self):

py/test/dist/dsession.py

@@ -98,7 +98,8 @@ class DSession(Session):
         callname, args, kwargs = eventcall
         if callname is not None:
             call = getattr(self.config.api, callname)
-            call(*args, **kwargs)
+            assert not args
+            call(**kwargs)
 
         # termination conditions
         if ((loopstate.testsfailed and self.config.option.exitfirst) or 
@@ -176,15 +177,15 @@ class DSession(Session):
                 senditems.append(next)
             else:
                 self.config.api.pytest_collectstart(collector=next)
-                self.queueevent("pytest_collectreport", basic_collect_report(next))
+                self.queueevent("pytest_collectreport", rep=basic_collect_report(next))
         if self.config.option.dist == "each":
             self.senditems_each(senditems)
         else:
             # XXX assert self.config.option.dist == "load"
             self.senditems_load(senditems)
 
-    def queueevent(self, eventname, *args, **kwargs):
+    def queueevent(self, eventname, **kwargs):
-        self.queue.put((eventname, args, kwargs)) 
+        self.queue.put((eventname, (), kwargs)) 
 
     def senditems_each(self, tosend):
         if not tosend:

py/test/dist/testing/test_dsession.py

@@ -81,7 +81,7 @@ class TestDSession:
         session.triggertesting([modcol])
         name, args, kwargs = session.queue.get(block=False)
         assert name == 'pytest_collectreport'
-        rep, = args 
+        rep = kwargs['rep']  
         assert len(rep.result) == 1
 
     def test_triggertesting_item(self, testdir):
@@ -134,7 +134,7 @@ class TestDSession:
         session.queueevent(None)
         session.loop_once(loopstate)
         assert node.sent == [[item]]
-        session.queueevent("pytest_itemtestreport", run(item, node))
+        session.queueevent("pytest_itemtestreport", rep=run(item, node))
         session.loop_once(loopstate)
         assert loopstate.shuttingdown 
         assert not loopstate.testsfailed 
@@ -147,7 +147,7 @@ class TestDSession:
         session.addnode(node)
        
         # setup a HostDown event
-        session.queueevent("pytest_testnodedown", node, None)
+        session.queueevent("pytest_testnodedown", node=node, error=None)
 
         loopstate = session._initloopstate([item])
         loopstate.dowork = False
@@ -173,7 +173,7 @@ class TestDSession:
         # have one test pending for a node that goes down 
         session.senditems_load([item1, item2])
         node = session.item2nodes[item1] [0]
-        session.queueevent("pytest_testnodedown", node, None)
+        session.queueevent("pytest_testnodedown", node=node, error=None)
         evrec = testdir.geteventrecorder(session.pluginmanager)
         print session.item2nodes
         loopstate = session._initloopstate([])
@@ -191,7 +191,7 @@ class TestDSession:
         # setup a session with two nodes
         session = DSession(item.config)
         node1 = MockNode()
-        session.queueevent("pytest_testnodeready", node1)
+        session.queueevent("pytest_testnodeready", node=node1)
         loopstate = session._initloopstate([item])
         loopstate.dowork = False
         assert len(session.node2pending) == 0

py/test/dist/txnode.py

@@ -22,6 +22,7 @@ class TXNode(object):
         self._down = False
 
     def notify(self, eventname, *args, **kwargs):
+        assert not args
         self.putevent((eventname, args, kwargs))
       
     def callback(self, eventcall):

py/test/plugin/pytest_terminal.py

@@ -61,7 +61,7 @@ class TerminalReporter:
         self._tw.sep(sep, title, **markup)
 
     def getcategoryletterword(self, rep):
-        res = self.config.api.pytest_report_teststatus(rep)
+        res = self.config.api.pytest_report_teststatus(rep=rep)
         if res:
             return res
         for cat in 'skipped failed passed ???'.split():