class TestIfExpressionParser(TestCase):
def setUp(self):
tools = {"a": 1, "b": 2}
self.__env = Env({"FOO": "foo"})
self.__env.setFuns(DEFAULT_STRING_FUNS.copy())
self.__env.setFunArgs({"sandbox": False, "__tools": tools})
self.__parser = IfExpressionParser()
def tearDown(self):
self.__parser = None
def parse(self, expr):
return self.__parser.evalExpression(expr, self.__env)
def testEqual(self):
self.assertRaises(BobError, self.parse, "x ==")
self.assertTrue(self.parse('"${FOO}" == "foo"'))
self.assertTrue(self.parse('"a" == "a"'))
self.assertFalse(self.parse('"a" == "b"'))
def testNotEqual(self):
self.assertRaises(BobError, self.parse, "x !=")
self.assertFalse(self.parse('"a" != "a"'))
self.assertTrue(self.parse('"a" != "b"'))
def testNot(self):
self.assertRaises(BobError, self.parse, "!")
self.assertFalse(self.parse('!"true"'))
self.assertFalse(self.parse("!'TRUE'"))
self.assertFalse(self.parse("!'1'"))
self.assertFalse(self.parse("!'foobar'"))
self.assertTrue(self.parse("!''"))
self.assertTrue(self.parse("!'0'"))
self.assertTrue(self.parse("!'false'"))
self.assertTrue(self.parse("!'FaLsE'"))
def testOr(self):
self.assertTrue(self.parse('"true" || "false"'))
self.assertTrue(self.parse('"false" || "true"'))
self.assertFalse(self.parse('"false" || "false"'))
self.assertTrue(self.parse('"1" || "2" || "3" || "4"'))
self.assertFalse(self.parse('"0" || "0"|| "0" || "0"'))
self.assertFalse(self.parse('"0" || "" || "false"'))
def testAnd(self):
self.assertTrue(self.parse('"true" && "true"'))
self.assertFalse(self.parse('"true" && "false"'))
self.assertFalse(self.parse('"false" && "true"'))
self.assertTrue(self.parse('"true" && "true" && "true"'))
self.assertTrue(self.parse('"true" && "1" && "abq"'))
self.assertFalse(self.parse('"true" && ""'))
def testFuns(self):
self.assertFalse(self.parse('is-sandbox-enabled()'))
self.assertTrue(self.parse('is-tool-defined("a")'))
self.assertFalse(self.parse('is-tool-defined("c")'))
self.assertFalse(self.parse('match( "string", "pattern")'))
class TestIfExpressionParser(TestCase):
def setUp(self):
tools = {"a": 1, "b": 2}
self.__env = Env({"FOO": "foo"})
self.__env.setFuns(DEFAULT_STRING_FUNS.copy())
self.__env.setFunArgs({"sandbox": False, "__tools": tools})
def evalExpr(self, expr):
return IfExpression(expr).evalExpression(self.__env)
def testLiteral(self):
self.assertRaises(BobError, self.evalExpr, "x")
self.assertTrue(self.evalExpr('"true"'))
self.assertTrue(self.evalExpr("'TRUE'"))
self.assertTrue(self.evalExpr("'1'"))
self.assertTrue(self.evalExpr("'foobar'"))
self.assertFalse(self.evalExpr("''"))
self.assertFalse(self.evalExpr("'0'"))
self.assertFalse(self.evalExpr("'false'"))
self.assertFalse(self.evalExpr("'FaLsE'"))
def testEqual(self):
self.assertRaises(BobError, self.evalExpr, '"x" ==')
self.assertTrue(self.evalExpr('"${FOO}" == "foo"'))
self.assertTrue(self.evalExpr('"a" == "a"'))
self.assertFalse(self.evalExpr('"a" == "b"'))
def testNotEqual(self):
self.assertRaises(BobError, self.evalExpr, "x !=")
self.assertFalse(self.evalExpr('"a" != "a"'))
self.assertTrue(self.evalExpr('"a" != "b"'))
def testNot(self):
self.assertRaises(BobError, self.evalExpr, "!")
self.assertFalse(self.evalExpr('!"true"'))
self.assertFalse(self.evalExpr("!'TRUE'"))
self.assertFalse(self.evalExpr("!'1'"))
self.assertFalse(self.evalExpr("!'foobar'"))
self.assertTrue(self.evalExpr("!''"))
self.assertTrue(self.evalExpr("!'0'"))
self.assertTrue(self.evalExpr("!'false'"))
self.assertTrue(self.evalExpr("!'FaLsE'"))
def testOr(self):
self.assertTrue(self.evalExpr('"true" || "false"'))
self.assertTrue(self.evalExpr('"false" || "true"'))
self.assertFalse(self.evalExpr('"false" || "false"'))
self.assertTrue(self.evalExpr('"1" || "2" || "3" || "4"'))
self.assertFalse(self.evalExpr('"0" || "0"|| "0" || "0"'))
self.assertFalse(self.evalExpr('"0" || "" || "false"'))
def testAnd(self):
self.assertTrue(self.evalExpr('"true" && "true"'))
self.assertFalse(self.evalExpr('"true" && "false"'))
self.assertFalse(self.evalExpr('"false" && "true"'))
self.assertTrue(self.evalExpr('"true" && "true" && "true"'))
self.assertTrue(self.evalExpr('"true" && "1" && "abq"'))
self.assertFalse(self.evalExpr('"true" && ""'))
def testFuns(self):
self.assertFalse(self.evalExpr('is-sandbox-enabled()'))
self.assertTrue(self.evalExpr('is-tool-defined("a")'))
self.assertFalse(self.evalExpr('is-tool-defined("c")'))
self.assertFalse(self.evalExpr('match( "string", "pattern")'))
self.assertRaises(BobError, self.evalExpr, "!does-not-exist()")
def testCompare(self):
"""Equality comparison should work on the actual expression"""
self.assertEqual(IfExpression('"true"'), IfExpression('"true"'))
self.assertNotEqual(IfExpression('"true"'), IfExpression('"false"'))
self.assertEqual(IfExpression('! "true"'), IfExpression('! "true"'))
self.assertNotEqual(IfExpression('! "true"'),
IfExpression('! "false"'))
self.assertNotEqual(IfExpression('! "true"'), IfExpression('"true"'))
self.assertEqual(IfExpression('"true" && "true"'),
IfExpression('"true" && "true"'))
self.assertNotEqual(IfExpression('"true" && "true"'),
IfExpression('"true" && "false"'))
self.assertNotEqual(IfExpression('"true" && "true"'),
IfExpression('"true" == "true"'))
self.assertEqual(IfExpression('"a" < "b"'), IfExpression('"a" < "b"'))
self.assertNotEqual(IfExpression('"a" < "b"'),
IfExpression('"a" <= "b"'))
self.assertEqual(IfExpression('is-tool-defined("a")'),
IfExpression('is-tool-defined("a")'))
self.assertNotEqual(IfExpression('is-tool-defined("a")'),
IfExpression('is-tool-defined("b")'))
self.assertNotEqual(IfExpression('is-tool-defined("a")'),
IfExpression('match("a", "b")'))
self.assertEqual(
str(
IfExpression(
'call("a", call("b", "c")) && !foo() || ("zz" < bar())')),
'((call("a", call("b", "c"))) && (!(foo()))) || (("zz") < (bar()))'
)