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import unittest

from webkitpy.common.watchlist.watchlistrule import WatchListRule


class WatchListRuleTest(unittest.TestCase):
    def test_instruction_list(self):
        instructions = ['a', 'b']
        rule = WatchListRule('definition1', instructions[:])
        self.assertEqual(instructions, rule.instructions())

    def test_remove_instruction(self):
        instructions = ['a', 'b']
        rule = WatchListRule('definition1', instructions[:])
        rule.remove_instruction('b')
        self.assertEqual(['a'], rule.instructions())

    def test_simple_definition(self):
        definition_name = 'definition1'
        rule = WatchListRule(definition_name, [])
        self.assertTrue(rule.match([definition_name]))
        self.assertFalse(rule.match([definition_name + '1']))

    def test_complex_definition_or(self):
        definition_name1 = 'definition1'
        definition_name2 = 'definition2'
        definition_name3 = 'definition3'
        rule = WatchListRule(definition_name1 + '|' + definition_name2 + '|' + definition_name3, [])
        self.assertTrue(rule.match([definition_name1]))
        self.assertTrue(rule.match([definition_name2]))
        self.assertTrue(rule.match([definition_name3]))
        self.assertFalse(rule.match([definition_name1 + '1']))
        self.assertFalse(rule.match([definition_name2 + '1']))
        self.assertFalse(rule.match([definition_name3 + '1']))

    def test_complex_definition_and(self):
        definition_name1 = 'definition1'
        definition_name2 = 'definition2'
        definition_name3 = 'definition3'
        rule = WatchListRule(definition_name1 + '&' + definition_name2 + '&' + definition_name3, [])
        self.assertFalse(rule.match([definition_name1]))
        self.assertFalse(rule.match([definition_name1, definition_name2]))
        self.assertFalse(rule.match([definition_name1, definition_name3]))
        self.assertFalse(rule.match([definition_name2]))
        self.assertFalse(rule.match([definition_name2, definition_name3]))
        self.assertFalse(rule.match([definition_name3]))
        self.assertTrue(rule.match([definition_name1, definition_name2, definition_name3]))

    def test_complex_definition_not(self):
        definition_name1 = 'definition1'
        definition_name2 = 'definition2'
        rule = WatchListRule('!' + definition_name1, [])
        self.assertFalse(rule.match([definition_name1]))
        self.assertTrue(rule.match([definition_name2]))

    def test_complex_definition_combined(self):
        definition_name1 = 'definition1'
        definition_name2 = 'definition2'
        definition_name3 = 'definition3'
        definition_name4 = 'definition4'
        rule1 = WatchListRule(definition_name1 + '&!' + definition_name2, [])
        self.assertFalse(rule1.match([definition_name1, definition_name2]))
        self.assertFalse(rule1.match([definition_name2]))
        self.assertTrue(rule1.match([definition_name1]))
        rule2 = WatchListRule(definition_name1 + '|' + definition_name2 + '&!' + definition_name3, [])
        self.assertFalse(rule2.match([definition_name2, definition_name3]))
        self.assertFalse(rule2.match([definition_name3]))
        self.assertTrue(rule2.match([definition_name1]))
        self.assertTrue(rule2.match([definition_name1, definition_name2]))
        self.assertTrue(rule2.match([definition_name1, definition_name2, definition_name3]))
        self.assertTrue(rule2.match([definition_name1, definition_name3]))
        self.assertTrue(rule2.match([definition_name2]))
        rule3 = WatchListRule(definition_name1 + '|' + definition_name2 + '&!' + definition_name3 + '|!' + definition_name4, [])
        self.assertFalse(rule3.match([definition_name2, definition_name3, definition_name4]))
        self.assertFalse(rule3.match([definition_name2, definition_name3, definition_name4]))
        self.assertFalse(rule3.match([definition_name3, definition_name4]))
        self.assertFalse(rule3.match([definition_name3, definition_name4]))
        self.assertFalse(rule3.match([definition_name4]))
        self.assertTrue(rule3.match([definition_name1]))
        self.assertTrue(rule3.match([definition_name1, definition_name2, definition_name3, definition_name4]))
        self.assertTrue(rule3.match([definition_name1, definition_name2, definition_name4]))
        self.assertTrue(rule3.match([definition_name1, definition_name3, definition_name4]))
        self.assertTrue(rule3.match([definition_name1, definition_name4]))
        self.assertTrue(rule3.match([definition_name2]))
        self.assertTrue(rule3.match([definition_name2, definition_name4]))
        self.assertTrue(rule3.match([definition_name2, definition_name4]))
        self.assertTrue(rule3.match([definition_name2, definition_name4]))
        self.assertTrue(rule3.match([definition_name3]))