# Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
#
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# modification, are permitted provided that the following conditions
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# 1.  Redistributions of source code must retain the above copyright
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"""Unit tests for python.py."""

import os
import unittest

from webkitpy.style.checkers.python import PythonChecker


class PythonCheckerTest(unittest.TestCase):

    """Tests the PythonChecker class."""

    def test_init(self):
        """Test __init__() method."""

        def _mock_handle_style_error(self):
            pass

        checker = PythonChecker("foo.txt", _mock_handle_style_error)
        self.assertEqual(checker._file_path, "foo.txt")
        self.assertEqual(checker._handle_style_error,
                         _mock_handle_style_error)

    def test_check(self):
        """Test check() method."""
        errors = []

        def _mock_handle_style_error(line_number, category, confidence,
                                     message):
            error = (line_number, category, confidence, message)
            errors.append(error)

        current_dir = os.path.dirname(__file__)
        file_path = os.path.join(current_dir, "python_unittest_input.py")

        checker = PythonChecker(file_path, _mock_handle_style_error)
        checker.check()

        self.assertEqual(
            [
                (2, 'pep8/W291', 5, 'trailing whitespace'),
                (3, 'pep8/E261', 5, 'at least two spaces before inline comment'),
                (3, 'pep8/E262', 5, "inline comment should start with '# '"),
                (2, 'pylint/C0303(trailing-whitespace)', 5, '[] Trailing whitespace'),
                (2, 'pylint/E0602(undefined-variable)', 5, u"[] Undefined variable 'error'"),
                (3, 'pylint/W0611(unused-import)', 5, '[] Unused import math'),
            ],
            errors)