# Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1.  Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
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#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
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"""Unit tests for python.py."""

import os
import unittest

from 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.assertEquals(checker._file_path, "foo.txt")
        self.assertEquals(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(lines=[])

        self.assertEquals(len(errors), 1)
        self.assertEquals(errors[0],
                          (2, "pep8/W291", 5, "trailing whitespace"))