Tools/Scripts/webkitpy/test/cat_unittest.py

# Copyright (C) 2010 Apple Inc. All rights reserved.
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import StringIO
import os.path
import sys
import unittest

from webkitpy.common.system import executive, outputcapture
from webkitpy.test import cat


class CatTest(outputcapture.OutputCaptureTestCaseBase):
    def assert_cat(self, input):
        saved_stdin = sys.stdin
        sys.stdin = StringIO.StringIO(input)
        cat.main()
        self.assertStdout(input)
        sys.stdin = saved_stdin

    def test_basic(self):
        self.assert_cat('foo bar baz\n')

    def test_no_newline(self):
        self.assert_cat('foo bar baz')

    def test_unicode(self):
        self.assert_cat(u'WebKit \u2661 Tor Arne Vestb\u00F8!')

    def test_as_command(self):
        input = 'foo bar baz\n'
        output = executive.Executive().run_command(cat.command_arguments(), input=input)
        self.assertEqual(input, output)