diff options
Diffstat (limited to 'testing/mozbase/manifestparser/tests/test_expressionparser.py')
| -rwxr-xr-x | testing/mozbase/manifestparser/tests/test_expressionparser.py | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/testing/mozbase/manifestparser/tests/test_expressionparser.py b/testing/mozbase/manifestparser/tests/test_expressionparser.py new file mode 100755 index 0000000000..ecfd7a453a --- /dev/null +++ b/testing/mozbase/manifestparser/tests/test_expressionparser.py @@ -0,0 +1,159 @@ +#!/usr/bin/env python + +from __future__ import absolute_import + +import unittest + +import mozunit + +from manifestparser import parse + + +class ExpressionParserTest(unittest.TestCase): + """Test the conditional expression parser.""" + + def test_basic(self): + + self.assertEqual(parse("1"), 1) + self.assertEqual(parse("100"), 100) + self.assertEqual(parse("true"), True) + self.assertEqual(parse("false"), False) + self.assertEqual("", parse('""')) + self.assertEqual(parse('"foo bar"'), "foo bar") + self.assertEqual(parse("'foo bar'"), "foo bar") + self.assertEqual(parse("foo", foo=1), 1) + self.assertEqual(parse("bar", bar=True), True) + self.assertEqual(parse("abc123", abc123="xyz"), "xyz") + + def test_equality(self): + + self.assertTrue(parse("true == true")) + self.assertTrue(parse("false == false")) + self.assertTrue(parse("1 == 1")) + self.assertTrue(parse("100 == 100")) + self.assertTrue(parse('"some text" == "some text"')) + self.assertTrue(parse("true != false")) + self.assertTrue(parse("1 != 2")) + self.assertTrue(parse('"text" != "other text"')) + self.assertTrue(parse("foo == true", foo=True)) + self.assertTrue(parse("foo == 1", foo=1)) + self.assertTrue(parse('foo == "bar"', foo="bar")) + self.assertTrue(parse("foo == bar", foo=True, bar=True)) + self.assertTrue(parse("true == foo", foo=True)) + self.assertTrue(parse("foo != true", foo=False)) + self.assertTrue(parse("foo != 2", foo=1)) + self.assertTrue(parse('foo != "bar"', foo="abc")) + self.assertTrue(parse("foo != bar", foo=True, bar=False)) + self.assertTrue(parse("true != foo", foo=False)) + self.assertTrue(parse("!false")) + + def test_conjunctures(self): + self.assertTrue(parse("true && true")) + self.assertTrue(parse("true || false")) + self.assertFalse(parse("false || false")) + self.assertFalse(parse("true && false")) + self.assertTrue(parse("true || false && false")) + + def test_parentheses(self): + self.assertTrue(parse("(true)")) + self.assertEqual(parse("(10)"), 10) + self.assertEqual(parse('("foo")'), "foo") + self.assertEqual(parse("(foo)", foo=1), 1) + self.assertTrue(parse("(true == true)"), True) + self.assertTrue(parse("(true != false)")) + self.assertTrue(parse("(true && true)")) + self.assertTrue(parse("(true || false)")) + self.assertTrue(parse("(true && true || false)")) + self.assertFalse(parse("(true || false) && false")) + self.assertTrue(parse("(true || false) && true")) + self.assertTrue(parse("true && (true || false)")) + self.assertTrue(parse("true && (true || false)")) + self.assertTrue(parse("(true && false) || (true && (true || false))")) + + def test_comments(self): + # comments in expressions work accidentally, via an implementation + # detail - the '#' character doesn't match any of the regular + # expressions we specify as tokens, and thus are ignored. + # However, having explicit tests for them means that should the + # implementation ever change, comments continue to work, even if that + # means a new implementation must handle them explicitly. + self.assertTrue(parse("true == true # it does!")) + self.assertTrue(parse("false == false # it does")) + self.assertTrue(parse("false != true # it doesnt")) + self.assertTrue(parse('"string with #" == "string with #" # really, it does')) + self.assertTrue( + parse('"string with #" != "string with # but not the same" # no match!') + ) + + def test_not(self): + """ + Test the ! operator. + """ + self.assertTrue(parse("!false")) + self.assertTrue(parse("!(false)")) + self.assertFalse(parse("!true")) + self.assertFalse(parse("!(true)")) + self.assertTrue(parse("!true || true)")) + self.assertTrue(parse("true || !true)")) + self.assertFalse(parse("!true && true")) + self.assertFalse(parse("true && !true")) + + def test_lesser_than(self): + """ + Test the < operator. + """ + self.assertTrue(parse("1 < 2")) + self.assertFalse(parse("3 < 2")) + self.assertTrue(parse("false || (1 < 2)")) + self.assertTrue(parse("1 < 2 && true")) + self.assertTrue(parse("true && 1 < 2")) + self.assertTrue(parse("!(5 < 1)")) + self.assertTrue(parse("'abc' < 'def'")) + self.assertFalse(parse("1 < 1")) + self.assertFalse(parse("'abc' < 'abc'")) + + def test_greater_than(self): + """ + Test the > operator. + """ + self.assertTrue(parse("2 > 1")) + self.assertFalse(parse("2 > 3")) + self.assertTrue(parse("false || (2 > 1)")) + self.assertTrue(parse("2 > 1 && true")) + self.assertTrue(parse("true && 2 > 1")) + self.assertTrue(parse("!(1 > 5)")) + self.assertTrue(parse("'def' > 'abc'")) + self.assertFalse(parse("1 > 1")) + self.assertFalse(parse("'abc' > 'abc'")) + + def test_lesser_or_equals_than(self): + """ + Test the <= operator. + """ + self.assertTrue(parse("1 <= 2")) + self.assertFalse(parse("3 <= 2")) + self.assertTrue(parse("false || (1 <= 2)")) + self.assertTrue(parse("1 < 2 && true")) + self.assertTrue(parse("true && 1 <= 2")) + self.assertTrue(parse("!(5 <= 1)")) + self.assertTrue(parse("'abc' <= 'def'")) + self.assertTrue(parse("1 <= 1")) + self.assertTrue(parse("'abc' <= 'abc'")) + + def test_greater_or_equals_than(self): + """ + Test the > operator. + """ + self.assertTrue(parse("2 >= 1")) + self.assertFalse(parse("2 >= 3")) + self.assertTrue(parse("false || (2 >= 1)")) + self.assertTrue(parse("2 >= 1 && true")) + self.assertTrue(parse("true && 2 >= 1")) + self.assertTrue(parse("!(1 >= 5)")) + self.assertTrue(parse("'def' >= 'abc'")) + self.assertTrue(parse("1 >= 1")) + self.assertTrue(parse("'abc' >= 'abc'")) + + +if __name__ == "__main__": + mozunit.main() |