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'''Unit tests for watchlistparser.py.'''


import logging
import sys


from webkitpy.common import webkitunittest
from webkitpy.common.system.outputcapture import OutputCapture
from webkitpy.common.watchlist.watchlistparser import WatchListParser


class WatchListParserTest(webkitunittest.TestCase):
    def setUp(self):
        webkitunittest.TestCase.setUp(self)
        self._watch_list_parser = WatchListParser()

    def test_bad_section(self):
        watch_list = ('{"FOO": {}}')
        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='Unknown section "FOO" in watch list.\n')

    def test_section_typo(self):
        watch_list = ('{"DEFINTIONS": {}}')
        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='Unknown section "DEFINTIONS" in watch list.'
                                       + '\n\nPerhaps it should be DEFINITIONS.\n')

    def test_bad_definition(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1|A": {'
            '            "filename": r".*MyFileName\\.cpp",'
            '        },'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='Invalid character "|" in definition "WatchList1|A".\n')

    def test_bad_filename_regex(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r"*",'
            '            "more": r"RefCounted",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ["levin@chromium.org"],'
            '     },'
            '}')

        if sys.version_info > (3, 0):
            expected_log = 'The regex "*" is invalid due to "nothing to repeat at position 0".\n'
        else:
            expected_log = 'The regex "*" is invalid due to "nothing to repeat".\n'
        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list], expected_logs=expected_log)

    def test_bad_more_regex(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r"aFileName\\.cpp",'
            '            "more": r"*",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ["levin@chromium.org"],'
            '     },'
            '}')

        if sys.version_info > (3, 0):
            expected_log = 'The regex "*" is invalid due to "nothing to repeat at position 0".\n'
        else:
            expected_log = 'The regex "*" is invalid due to "nothing to repeat".\n'
        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list], expected_logs=expected_log)

    def test_bad_match_type(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "nothing_matches_this": r".*MyFileName\\.cpp",'
            '            "filename": r".*MyFileName\\.cpp",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ["levin@chromium.org"],'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='Unknown pattern type "nothing_matches_this" in definition "WatchList1".\n')

    def test_match_type_typo(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "iflename": r".*MyFileName\\.cpp",'
            '            "more": r"RefCounted",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ["levin@chromium.org"],'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='Unknown pattern type "iflename" in definition "WatchList1".'
                                       + '\n\nPerhaps it should be filename.\n')

    def test_empty_definition(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ["levin@chromium.org"],'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='The definition "WatchList1" has no patterns, so it should be deleted.\n')

    def test_empty_cc_rule(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r".*MyFileName\\.cpp",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": [],'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='A rule for definition "WatchList1" is empty, so it should be deleted.\n'
                                       + 'The following definitions are not used and should be removed: WatchList1\n')

    def test_cc_rule_with_invalid_email(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r".*MyFileName\\.cpp",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ["levin+bad+email@chromium.org"],'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='The email alias levin+bad+email@chromium.org which is'
                                       + ' in the watchlist is not listed as a contributor in contributors.json\n')

    def test_cc_rule_with_secondary_email(self):
        # FIXME: We should provide a mock of CommitterList so that we can test this on fake data.
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r".*MyFileName\\.cpp",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ["ojan.autocc@gmail.com"],'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='')

    def test_empty_message_rule(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r".*MyFileName\\.cpp",'
            '        },'
            '     },'
            '    "MESSAGE_RULES": {'
            '        "WatchList1": ['
            '        ],'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='A rule for definition "WatchList1" is empty, so it should be deleted.\n'
                                       + 'The following definitions are not used and should be removed: WatchList1\n')

    def test_unused_defintion(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r".*MyFileName\\.cpp",'
            '        },'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='The following definitions are not used and should be removed: WatchList1\n')

    def test_cc_rule_with_undefined_defintion(self):
        watch_list = (
            '{'
            '    "CC_RULES": {'
            '        "WatchList1": ["levin@chromium.org"]'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='In section "CC_RULES", the following definitions are not used and should be removed: WatchList1\n')

    def test_message_rule_with_undefined_defintion(self):
        watch_list = (
            '{'
            '    "MESSAGE_RULES": {'
            '        "WatchList1": ["The message."]'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='In section "MESSAGE_RULES", the following definitions are not used and should be removed: WatchList1\n')

    def test_cc_rule_with_undefined_defintion_with_suggestion(self):
        watch_list = (
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r".*MyFileName\\.cpp",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList": ["levin@chromium.org"]'
            '     },'
            '    "MESSAGE_RULES": {'
            '        "WatchList1": ["levin@chromium.org"]'
            '     },'
            '}')

        OutputCapture().assert_outputs(self, self._watch_list_parser.parse, args=[watch_list],
                                       expected_logs='In section "CC_RULES", the following definitions are not used and should be removed: WatchList'
                                       + '\n\nPerhaps it should be WatchList1.\n')