Ausgabe der neuen DB Einträge

venv/lib/python3.9/site-packages/twisted/internet/test/test_baseprocess.py

@@ -0,0 +1,73 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for L{twisted.internet._baseprocess} which implements process-related
+functionality that is useful in all platforms supporting L{IReactorProcess}.
+"""
+
+__metaclass__ = type
+
+from twisted.python.deprecate import getWarningMethod, setWarningMethod
+from twisted.trial.unittest import TestCase
+from twisted.internet._baseprocess import BaseProcess
+
+
+class BaseProcessTests(TestCase):
+    """
+    Tests for L{BaseProcess}, a parent class for other classes which represent
+    processes which implements functionality common to many different process
+    implementations.
+    """
+    def test_callProcessExited(self):
+        """
+        L{BaseProcess._callProcessExited} calls the C{processExited} method of
+        its C{proto} attribute and passes it a L{Failure} wrapping the given
+        exception.
+        """
+        class FakeProto:
+            reason = None
+
+            def processExited(self, reason):
+                self.reason = reason
+
+        reason = RuntimeError("fake reason")
+        process = BaseProcess(FakeProto())
+        process._callProcessExited(reason)
+        process.proto.reason.trap(RuntimeError)
+        self.assertIs(reason, process.proto.reason.value)
+
+
+    def test_callProcessExitedMissing(self):
+        """
+        L{BaseProcess._callProcessExited} emits a L{DeprecationWarning} if the
+        object referred to by its C{proto} attribute has no C{processExited}
+        method.
+        """
+        class FakeProto:
+            pass
+
+        reason = object()
+        process = BaseProcess(FakeProto())
+
+        self.addCleanup(setWarningMethod, getWarningMethod())
+        warnings = []
+        def collect(message, category, stacklevel):
+            warnings.append((message, category, stacklevel))
+        setWarningMethod(collect)
+
+        process._callProcessExited(reason)
+
+        [(message, category, stacklevel)] = warnings
+        self.assertEqual(
+            message,
+            "Since Twisted 8.2, IProcessProtocol.processExited is required.  "
+            "%s.%s must implement it." % (
+                FakeProto.__module__, FakeProto.__name__))
+        self.assertIs(category, DeprecationWarning)
+        # The stacklevel doesn't really make sense for this kind of
+        # deprecation.  Requiring it to be 0 will at least avoid pointing to
+        # any part of Twisted or a random part of the application's code, which
+        # I think would be more misleading than having it point inside the
+        # warning system itself. -exarkun
+        self.assertEqual(stacklevel, 0)