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'''Unit tests for watchlist.py.'''

import unittest

from webkitpy.common.checkout.diff_test_data import DIFF_TEST_DATA
from webkitpy.common.watchlist.watchlistparser import WatchListParser


class WatchListTest(unittest.TestCase):
    def setUp(self):
        self._watch_list_parser = WatchListParser()

    def test_filename_definition_no_matches(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r".*\\MyFileName\\.cpp",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ['
            '            "levin@chromium.org",'
            '        ],'
           '    },'
            '}')
        self.assertEqual(set([]), watch_list.find_matching_definitions(DIFF_TEST_DATA))

    def test_filename_definition(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r"WebCore/rendering/style/StyleFlexibleBoxData\.h",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ['
            '            "levin@chromium.org",'
            '        ],'
           '    },'
            '}')
        self.assertEqual(set(['WatchList1']), watch_list.find_matching_definitions(DIFF_TEST_DATA))

    def test_cc_rules_simple(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r"WebCore/rendering/style/StyleFlexibleBoxData\.h",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": ['
            '            "levin@chromium.org",'
            '        ],'
           '    },'
            '}')
        cc_and_messages = watch_list.determine_cc_and_messages(DIFF_TEST_DATA)
        self.assertEqual({
                'cc_list': ['levin@chromium.org'],
                'messages': [],
                }, cc_and_messages)

    def test_cc_rules_complex(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r"WebCore/rendering/style/StyleFlexibleBoxData\.h",'
            '        },'
            '        "WatchList2": {'
            '            "filename": r"WillNotMatch",'
            '        },'
            '        "WatchList3": {'
            '            "filename": r"WillNotMatch",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList2|WatchList1|WatchList3": [ "levin@chromium.org", ],'
            '    },'
            '}')
        cc_and_messages = watch_list.determine_cc_and_messages(DIFF_TEST_DATA)
        self.assertEqual({
                'cc_list': ['levin@chromium.org'],
                'messages': [],
                }, cc_and_messages)

    def test_cc_and_message_rules_complex(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r"WebCore/rendering/style/StyleFlexibleBoxData\.h",'
            '        },'
            '        "WatchList2": {'
            '            "filename": r"WillNotMatch",'
            '        },'
            '        "WatchList3": {'
            '            "filename": r"WillNotMatch",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList2|WatchList1|WatchList3": [ "levin@chromium.org", ],'
            '    },'
            '    "MESSAGE_RULES": {'
            '        "WatchList2|WatchList1|WatchList3": [ "msg1", "msg2", ],'
            '    },'
            '}')
        cc_and_messages = watch_list.determine_cc_and_messages(DIFF_TEST_DATA)
        self.assertEqual({
                'cc_list': ['levin@chromium.org'],
                'messages': ['msg1', 'msg2'],
                }, cc_and_messages)

    def test_cc_and_message_rules_no_matches(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r"WebCore/rendering/style/ThisFileDoesNotExist\.h",'
            '        },'
            '        "WatchList2": {'
            '            "filename": r"WillNotMatch",'
            '        },'
            '        "WatchList3": {'
            '            "filename": r"WillNotMatch",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList2|WatchList1|WatchList3": [ "levin@chromium.org", ],'
            '    },'
            '    "MESSAGE_RULES": {'
            '        "WatchList2|WatchList1|WatchList3": [ "msg1", "msg2", ],'
            '    },'
            '}')
        cc_and_messages = watch_list.determine_cc_and_messages(DIFF_TEST_DATA)
        self.assertEqual({
                'cc_list': [],
                'messages': [],
                }, cc_and_messages)

    def test_added_match(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "in_added_lines": r"RenderStyle::initialBoxOrient",'
            '        },'
            '        "WatchList2": {'
            '            "in_deleted_lines": r"RenderStyle::initialBoxOrient",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": [ "eric@webkit.org", ],'
            '        "WatchList2": [ "abarth@webkit.org", ],'
            '    },'
            '}')
        cc_and_messages = watch_list.determine_cc_and_messages(DIFF_TEST_DATA)
        self.assertEqual({
                'cc_list': ['eric@webkit.org'],
                'messages': [],
                }, cc_and_messages)

    def test_deleted_match(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "in_added_lines": r"unsigned orient: 1;",'
            '        },'
            '        "WatchList2": {'
            '            "in_deleted_lines": r"unsigned orient: 1;",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": [ "eric@webkit.org", ],'
            '        "WatchList2": [ "abarth@webkit.org", ],'
            '    },'
            '}')
        cc_and_messages = watch_list.determine_cc_and_messages(DIFF_TEST_DATA)
        self.assertEqual({
                'cc_list': ['abarth@webkit.org'],
                'messages': [],
                }, cc_and_messages)

    def test_more_and_less_match(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            # This pattern is in both added and deleted lines, so no match.
            '            "more": r"userSelect == o\.userSelect",'
            '        },'
            '        "WatchList2": {'
            '            "more": r"boxOrient\(o\.boxOrient\)",'
            '        },'
            '        "WatchList3": {'
            '            "less": r"unsigned orient"'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": [ "eric@webkit.org", ],'
            '        "WatchList2": [ "levin@chromium.org", ],'
            '    },'
            '    "MESSAGE_RULES": {'
            '        "WatchList3": ["Test message."],'
            '    },'
            '}')
        cc_and_messages = watch_list.determine_cc_and_messages(DIFF_TEST_DATA)
        self.assertEqual({
                'cc_list': ['levin@chromium.org'],
                'messages': ["Test message."],
                }, cc_and_messages)

    def test_complex_match(self):
        watch_list = self._watch_list_parser.parse(
            '{'
            '    "DEFINITIONS": {'
            '        "WatchList1": {'
            '            "filename": r"WebCore/rendering/style/StyleRareInheritedData\.cpp",'
            '            "in_added_lines": r"\&\& boxOrient == o\.boxOrient;",'
            '            "in_deleted_lines": r"\&\& userSelect == o\.userSelect;",'
            '            "more": r"boxOrient\(o\.boxOrient\)",'
            '        },'
            '        "WatchList2": {'
            '            "filename": r"WebCore/rendering/style/StyleRareInheritedData\.cpp",'
            '            "in_added_lines": r"RenderStyle::initialBoxOrient",'
            '            "less": r"userSelect;"'
            '        },'
            # WatchList3 won't match because these two patterns aren't in the same file.
            '        "WatchList3": {'
            '            "in_added_lines": r"RenderStyle::initialBoxOrient",'
            '            "in_deleted_lines": r"unsigned orient: 1;",'
            '        },'
            '     },'
            '    "CC_RULES": {'
            '        "WatchList1": [ "eric@webkit.org", ],'
            '        "WatchList3": [ "abarth@webkit.org", ],'
            '    },'
            '    "MESSAGE_RULES": {'
            '        "WatchList2": ["This is a test message."],'
            '    },'
            '}')
        cc_and_messages = watch_list.determine_cc_and_messages(DIFF_TEST_DATA)
        self.assertEqual({
                'cc_list': ['eric@webkit.org'],
                'messages': ["This is a test message."],
                }, cc_and_messages)