1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/testing/mozbase/manifestdestiny/tests/test_expressionparser.py Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,95 @@
1.4 +#!/usr/bin/env python
1.5 +
1.6 +import unittest
1.7 +from manifestparser import parse
1.8 +
1.9 +class ExpressionParserTest(unittest.TestCase):
1.10 + """Test the conditional expression parser."""
1.11 +
1.12 + def test_basic(self):
1.13 +
1.14 + self.assertEqual(parse("1"), 1)
1.15 + self.assertEqual(parse("100"), 100)
1.16 + self.assertEqual(parse("true"), True)
1.17 + self.assertEqual(parse("false"), False)
1.18 + self.assertEqual('', parse('""'))
1.19 + self.assertEqual(parse('"foo bar"'), 'foo bar')
1.20 + self.assertEqual(parse("'foo bar'"), 'foo bar')
1.21 + self.assertEqual(parse("foo", foo=1), 1)
1.22 + self.assertEqual(parse("bar", bar=True), True)
1.23 + self.assertEqual(parse("abc123", abc123="xyz"), 'xyz')
1.24 +
1.25 + def test_equality(self):
1.26 +
1.27 + self.assertTrue(parse("true == true"))
1.28 + self.assertTrue(parse("false == false"))
1.29 + self.assertTrue(parse("1 == 1"))
1.30 + self.assertTrue(parse("100 == 100"))
1.31 + self.assertTrue(parse('"some text" == "some text"'))
1.32 + self.assertTrue(parse("true != false"))
1.33 + self.assertTrue(parse("1 != 2"))
1.34 + self.assertTrue(parse('"text" != "other text"'))
1.35 + self.assertTrue(parse("foo == true", foo=True))
1.36 + self.assertTrue(parse("foo == 1", foo=1))
1.37 + self.assertTrue(parse('foo == "bar"', foo='bar'))
1.38 + self.assertTrue(parse("foo == bar", foo=True, bar=True))
1.39 + self.assertTrue(parse("true == foo", foo=True))
1.40 + self.assertTrue(parse("foo != true", foo=False))
1.41 + self.assertTrue(parse("foo != 2", foo=1))
1.42 + self.assertTrue(parse('foo != "bar"', foo='abc'))
1.43 + self.assertTrue(parse("foo != bar", foo=True, bar=False))
1.44 + self.assertTrue(parse("true != foo", foo=False))
1.45 + self.assertTrue(parse("!false"))
1.46 +
1.47 + def test_conjunctures(self):
1.48 + self.assertTrue(parse("true && true"))
1.49 + self.assertTrue(parse("true || false"))
1.50 + self.assertFalse(parse("false || false"))
1.51 + self.assertFalse(parse("true && false"))
1.52 + self.assertTrue(parse("true || false && false"))
1.53 +
1.54 + def test_parentheses(self):
1.55 + self.assertTrue(parse("(true)"))
1.56 + self.assertEqual(parse("(10)"), 10)
1.57 + self.assertEqual(parse('("foo")'), 'foo')
1.58 + self.assertEqual(parse("(foo)", foo=1), 1)
1.59 + self.assertTrue(parse("(true == true)"), True)
1.60 + self.assertTrue(parse("(true != false)"))
1.61 + self.assertTrue(parse("(true && true)"))
1.62 + self.assertTrue(parse("(true || false)"))
1.63 + self.assertTrue(parse("(true && true || false)"))
1.64 + self.assertFalse(parse("(true || false) && false"))
1.65 + self.assertTrue(parse("(true || false) && true"))
1.66 + self.assertTrue(parse("true && (true || false)"))
1.67 + self.assertTrue(parse("true && (true || false)"))
1.68 + self.assertTrue(parse("(true && false) || (true && (true || false))"))
1.69 +
1.70 +
1.71 + def test_comments(self):
1.72 + # comments in expressions work accidentally, via an implementation
1.73 + # detail - the '#' character doesn't match any of the regular
1.74 + # expressions we specify as tokens, and thus are ignored.
1.75 + # However, having explicit tests for them means that should the
1.76 + # implementation ever change, comments continue to work, even if that
1.77 + # means a new implementation must handle them explicitly.
1.78 + self.assertTrue(parse("true == true # it does!"))
1.79 + self.assertTrue(parse("false == false # it does"))
1.80 + self.assertTrue(parse("false != true # it doesnt"))
1.81 + self.assertTrue(parse('"string with #" == "string with #" # really, it does'))
1.82 + self.assertTrue(parse('"string with #" != "string with # but not the same" # no match!'))
1.83 +
1.84 + def test_not(self):
1.85 + """
1.86 + Test the ! operator.
1.87 + """
1.88 + self.assertTrue(parse("!false"))
1.89 + self.assertTrue(parse("!(false)"))
1.90 + self.assertFalse(parse("!true"))
1.91 + self.assertFalse(parse("!(true)"))
1.92 + self.assertTrue(parse("!true || true)"))
1.93 + self.assertTrue(parse("true || !true)"))
1.94 + self.assertFalse(parse("!true && true"))
1.95 + self.assertFalse(parse("true && !true"))
1.96 +
1.97 +if __name__ == '__main__':
1.98 + unittest.main()
