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"""Unit test for cmake.py."""

import unittest2 as unittest

from cmake import CMakeChecker


class CMakeCheckerTest(unittest.TestCase):

    """Tests CMakeChecker class."""

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

        checker = CMakeChecker("foo.cmake", _mock_handle_style_error)
        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)

        checker = CMakeChecker("foo.cmake", _mock_handle_style_error)

        lines = [
            '# This file is sample input for cmake_unittest.py and includes below problems:\n',
            'IF ()',
            '\tmessage("Error line with Tab")\n',
            '    message("Error line with endding spaces")    \n',
            '    message( "Error line with space after (")\n',
            '    message("Error line with space before (" )\n',
            '    MESSAGE("Error line with upper case non-condtional command")\n',
            '    MESSage("Error line with upper case non-condtional command")\n',
            '    message("correct message line")\n',
            'ENDif ()\n',
            '\n',
            'if()\n',
            'endif ()\n',
            '\n',
            'macro ()\n',
            'ENDMacro()\n',
            '\n',
            'function    ()\n',
            'endfunction()\n',
            ]
        checker.check(lines)

        self.maxDiff = None
        self.assertEqual(errors, [
            (3, 'whitespace/tab', 5, 'Line contains tab character.'),
            (2, 'command/lowercase', 5, 'Use lowercase command "if"'),
            (4, 'whitespace/trailing', 5, 'No trailing spaces'),
            (5, 'whitespace/parentheses', 5, 'No space after "("'),
            (6, 'whitespace/parentheses', 5, 'No space before ")"'),
            (7, 'command/lowercase', 5, 'Use lowercase command "message"'),
            (8, 'command/lowercase', 5, 'Use lowercase command "message"'),
            (10, 'command/lowercase', 5, 'Use lowercase command "endif"'),
            (12, 'whitespace/parentheses', 5, 'One space between command "if" and its parentheses, should be "if ("'),
            (15, 'whitespace/parentheses', 5, 'No space between command "macro" and its parentheses, should be "macro("'),
            (16, 'command/lowercase', 5, 'Use lowercase command "endmacro"'),
            (18, 'whitespace/parentheses', 5, 'No space between command "function" and its parentheses, should be "function("'),
            ])