"""Tests for make_utils."""

from __future__ import absolute_import
import os
import sys
import unittest

# Allow imports from cq/scripts folder
sys.path.insert(
    0, os.path.realpath(os.path.join(os.path.dirname(__file__), os.pardir)))
from helpers import make_utils


class MakeUtilsTest(unittest.TestCase):

  def testSingleError(self):
    """Test the comments generated for a signle error."""
    make_output = ('path/to/warn.c:000:0: warning: This is just a warning.\n'
                   'path/to/file.c:123:4: error: This is an error\n'
                   '  extra information for the erorr.\n'
                   'some more lines that come later.\n')
    directory = 'path/to'

    expected_comments = {
        'file.c': [{
            'line': 123,
            'message': 'path/to/file.c:123:4: error: This is an error'
        }]
    }

    self.assertDictEqual(
        expected_comments,
        make_utils.make_error_to_comments(make_output, directory))

  def testMultipleErrors(self):
    """Test the comments generated from multiple different errors."""
    make_output = ('path/to/warn.c:000:0: warning: This is just a warning.\n'
                   'path/to/file1.c:123:4: error: This is error 1\n'
                   '  extra information for the erorr.\n'
                   'path/to/file1.c:456:7: error: This is error 2\n'
                   'path/to/other/file3.c:1:1: error: This is error 3\n'
                   'some more lines that come later.\n')
    directory = 'path/to'

    expected_comments = {
        'file1.c': [{
            'line': 123,
            'message': 'path/to/file1.c:123:4: error: This is error 1'
        }, {
            'line': 456,
            'message': 'path/to/file1.c:456:7: error: This is error 2'
        }],
        'other/file3.c': [{
            'line': 1,
            'message': 'path/to/other/file3.c:1:1: error: This is error 3'
        }]
    }

    self.assertDictEqual(
        expected_comments,
        make_utils.make_error_to_comments(make_output, directory))

  def testNoErrors(self):
    """Test that no comments are generated if there are no errors."""
    make_output = ('path/to/warn.c:000:0: warning: This is just a warning.\n'
                   'path/to/file.c:123:4: warning: This is another warning.\n'
                   '  extra information for the warning.\n'
                   'Some more lines with something that is not an error\n')
    directory = 'path/to'

    expected_comments = {}

    self.assertDictEqual(
        expected_comments,
        make_utils.make_error_to_comments(make_output, directory))


if __name__ == '__main__':
  unittest.main()