1 files changed, 120 insertions, 0 deletions
diff --git a/Tools/Scripts/webkitpy/style/checkers/test_expectations.py b/Tools/Scripts/webkitpy/style/checkers/test_expectations.py
new file mode 100644
index 0000000..c86b32c
--- /dev/null
+++ b/Tools/Scripts/webkitpy/style/checkers/test_expectations.py
@@ -0,0 +1,120 @@
+# Copyright (C) 2010 Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Checks WebKit style for test_expectations files."""
+
+import logging
+import os
+import re
+import sys
+
+from common import TabChecker
+from webkitpy.style_references import port
+from webkitpy.style_references import test_expectations
+
+_log = logging.getLogger("webkitpy.style.checkers.test_expectations")
+
+
+class ChromiumOptions(object):
+    """A mock object for creating chromium port object.
+
+    port.get() requires an options object which has 'chromium' attribute to create
+    chromium port object for each platform. This class mocks such object.
+    """
+    def __init__(self):
+        self.chromium = True
+
+
+class TestExpectationsChecker(object):
+    """Processes test_expectations.txt lines for validating the syntax."""
+
+    categories = set(['test/expectations'])
+
+    def __init__(self, file_path, handle_style_error):
+        self._file_path = file_path
+        self._handle_style_error = handle_style_error
+        self._tab_checker = TabChecker(file_path, handle_style_error)
+        self._output_regex = re.compile('Line:(?P<line>\d+)\s*(?P<message>.+)')
+        # Determining the port of this expectations.
+        try:
+            port_name = self._file_path.split(os.sep)[-2]
+            if port_name == "chromium":
+                options = ChromiumOptions()
+                self._port_obj = port.get(port_name=None, options=options)
+            else:
+                self._port_obj = port.get(port_name=port_name)
+        except:
+            # Using 'test' port when we couldn't determine the port for this
+            # expectations.
+            _log.warn("Could not determine the port for %s. "
+                      "Using 'test' port, but platform-specific expectations "
+                      "will fail the check." % self._file_path)
+            self._port_obj = port.get('test')
+        self._port_to_check = self._port_obj.test_platform_name()
+        # Suppress error messages of test_expectations module since they will be
+        # reported later.
+        log = logging.getLogger("webkitpy.layout_tests.layout_package."
+                                "test_expectations")
+        log.setLevel(logging.CRITICAL)
+
+    def _handle_error_message(self, lineno, message, confidence):
+        pass
+
+    def check_test_expectations(self, expectations_str, tests=None, overrides=None):
+        err = None
+        expectations = None
+        try:
+            expectations = test_expectations.TestExpectationsFile(
+                port=self._port_obj, expectations=expectations_str, full_test_list=tests,
+                test_platform_name=self._port_to_check, is_debug_mode=False,
+                is_lint_mode=True, overrides=overrides)
+        except test_expectations.ParseError, error:
+            err = error
+
+        if err:
+            level = 2
+            if err.fatal:
+                level = 5
+            for error in err.errors:
+                matched = self._output_regex.match(error)
+                if matched:
+                    lineno, message = matched.group('line', 'message')
+                    self._handle_style_error(int(lineno), 'test/expectations', level, message)
+
+
+    def check_tabs(self, lines):
+        self._tab_checker.check(lines)
+
+    def check(self, lines):
+        overrides = self._port_obj.test_expectations_overrides()
+        expectations = '\n'.join(lines)
+        self.check_test_expectations(expectations_str=expectations,
+                                     tests=None,
+                                     overrides=overrides)
+        # Warn tabs in lines as well
+        self.check_tabs(lines)