[Checkins] SVN: zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/ Moving slowly to a pluggable approach for features

Christian Theune ct at gocept.com
Sun May 4 06:40:51 EDT 2008


Log message for revision 86329:
  Moving slowly to a pluggable approach for features
  

Changed:
  A   zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/interfaces.py
  U   zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/runner.py

-=-
Added: zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/interfaces.py
===================================================================
--- zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/interfaces.py	                        (rev 0)
+++ zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/interfaces.py	2008-05-04 10:40:50 UTC (rev 86329)
@@ -0,0 +1,86 @@
+##############################################################################
+#
+# Copyright (c) 2004-2008 Zope Corporation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""Test runner interfaces
+
+XXX Note: These interfaces are still being sketched out. Please do not rely on
+them, yet.
+
+$Id: __init__.py 86232 2008-05-03 15:09:33Z ctheune $
+
+"""
+
+import zope.interface
+
+
+class IFeature(zope.interface.Interface):
+    """Features extend the test runners functionality in a pipe-lined
+    order.
+    """
+
+    def global_setup():
+        """Executed once when the test runner is being set up."""
+
+    def late_setup():
+        """Executed once right before the actual tests get executed and after
+        all global setups have happened.
+
+        Should do as little work as possible to avoid timing interferences
+        with other features.
+
+        It is guaranteed that the calling stack frame is not left until
+        early_teardown was called.
+
+        """
+
+    def test_setup():
+        """Executed once before each test."""
+
+    def test_teardown():
+        """Executed once after each test."""
+
+    def early_teardown():
+        """Executed once directly after all tests.
+
+        This method should do as little as possible to avoid timing issues.
+
+        It is guaranteed to be called directly from the same stack frame that
+        called `late_setup`.
+
+        """
+
+    def global_teardown():
+        """Executed once after all tests where run and early teardowns have
+        happened.
+
+        """
+
+    def report():
+        """Executed once after all tests have been run and all setup was
+        teared down.
+
+        This is the only method that should produce output.
+
+        """
+
+
+class ITestRunner(zope.interface.Interface):
+    """The test runner manages test layers and their execution.
+
+    The functionality of a test runner can be extended by configuring
+    features.
+
+    """
+
+    options = zope.interface.Attribute(
+      "Provides access to configuration options.")


Property changes on: zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/interfaces.py
___________________________________________________________________
Name: svn:eol-style
   + native

Modified: zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/runner.py
===================================================================
--- zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/runner.py	2008-05-04 10:27:15 UTC (rev 86328)
+++ zope.testing/branches/ctheune-cleanup/src/zope/testing/testrunner/runner.py	2008-05-04 10:40:50 UTC (rev 86329)
@@ -95,6 +95,8 @@
 
         self.show_report = True
 
+        self.features = []
+
     def run(self):
         self.configure()
         if self.options.fail:
@@ -103,21 +105,37 @@
         self.setup_features()
         self.find_tests()
 
+        # Global setup
+        for feature in self.features:
+            feature.global_setup()
+
+        # Late setup
+        #
         # Some system tools like profilers are really bad with stack frames.
         # E.g. hotshot doesn't like it when we leave the stack frame that we
         # called start() from.
         for init in self.late_initializers:
             init()
+        for feature in self.features:
+            feature.late_setup()
 
         try:
             self.run_tests()
         finally:
             for shutdown in self.early_shutdown:
                 shutdown()
+            # Early teardown
+            for feature in reversed(self.features):
+                feature.early_teardown()
+            # Global teardown
+            for feature in reversed(self.features):
+                feature.global_teardown()
             self.shutdown_features()
 
         if self.show_report:
             self.report()
+            for feature in self.features:
+                feature.report()
 
     def configure(self):
         if self.args is None:



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