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# 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.
import os.path
import unittest
from webkitpy.common.system.executive import Executive
from webkitpy.common.prettypatch import PrettyPatch
class PrettyPatchTest(unittest.TestCase):
def check_ruby(self):
executive = Executive()
try:
result = executive.run_command(['ruby', '--version'])
except OSError, e:
return False
return True
_diff_with_multiple_encodings = """
Index: utf8_test
===================================================================
--- utf8_test\t(revision 0)
+++ utf8_test\t(revision 0)
@@ -0,0 +1 @@
+utf-8 test: \xc2\xa0
Index: latin1_test
===================================================================
--- latin1_test\t(revision 0)
+++ latin1_test\t(revision 0)
@@ -0,0 +1 @@
+latin1 test: \xa0
"""
def _webkit_root(self):
webkitpy_common = os.path.dirname(__file__)
webkitpy = os.path.dirname(webkitpy_common)
scripts = os.path.dirname(webkitpy)
webkit_tools = os.path.dirname(scripts)
webkit_root = os.path.dirname(webkit_tools)
return webkit_root
def test_pretty_diff_encodings(self):
if not self.check_ruby():
return
pretty_patch = PrettyPatch(Executive(), self._webkit_root())
pretty = pretty_patch.pretty_diff(self._diff_with_multiple_encodings)
self.assertTrue(pretty) # We got some output
self.assertTrue(isinstance(pretty, str)) # It's a byte array, not unicode
def test_pretty_print_empty_string(self):
if not self.check_ruby():
return
# Make sure that an empty diff does not hang the process.
pretty_patch = PrettyPatch(Executive(), self._webkit_root())
self.assertEqual(pretty_patch.pretty_diff(""), "")
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