def TestInvalidScript():
tp = MockTokenParser('1completerubbish')
ce = CompileEngine(tp, MockVariables(), MockScriptEngine())
try:
ce.Process()
AssertTrue('tis', False)
except CompileError as e:
AssertEqual(e.value, "01: Unrecognised token '1completerubbish'")
def TestEngineFunctionInvalid():
tp = MockTokenParser('engineFunction ;')
try:
script = MockScript('name')
ce = CompileEngine(tp, MockVariables([], [], [['engineFunction', 0]]),
None)
ce.CompileSingleExecutionBlock(script)
AssertTrue(False)
except CompileError as e:
pass
def TestPushAndPop():
os = OperatorStack()
os.Push(Operator(1, 1))
AssertEqual('tpap1', os.GetPrecedence(), 1)
os.Push(Operator(2, 2))
AssertEqual('tpap2', os.GetPrecedence(), 2)
AssertEqual('tpap3', os.Pop().scriptcommand, 2)
AssertEqual('tpap3', os.Pop().scriptcommand, 1)
AssertTrue('tose1', os.IsEmpty())
AssertEqual('tose2', os.GetPrecedence(), 0)
def TestRequireNextToken():
tp = MockTokenParser('first second')
ce = CompileEngine(tp, MockVariables(), MockScriptEngine())
ce.RequireNextToken('first', 'previous')
try:
ce.RequireNextToken('third', 'previous')
AssertTrue('trtnp', False)
except CompileError as e:
AssertEqual('trnt1', e.value,
"Expected 'third' instead of 'second' after 'previous'")
def TestEmptyStack():
os = OperatorStack()
AssertTrue('tose1', os.IsEmpty())
AssertEqual('tose2', os.GetPrecedence(), 0)
def TestExpressionTerminators():
ep = ExpressionParser(None)
AssertTrue('tet1', ep.IsExpressionTerminator(';'))
AssertTrue('tet2', ep.IsExpressionTerminator(')'))
AssertTrue('tet3', ep.IsExpressionTerminator(None))
def TestValidVariableChar():
tp = TokenParser('x')
AssertTrue('tian1', ValidVariableChar('a'))
AssertTrue('tian2', ValidVariableChar('z'))
AssertTrue('tian3', ValidVariableChar('_'))
AssertFalse('tian4', ValidVariableChar('?'))
def TestEmptyTokenParser():
tp = MockTokenParser('')
ce = CompileEngine(tp, None, None)
ce.Process()
AssertTrue('tetp', tp.tokenfetched)
def TestGlobalVariableCanBeDeclared():
ve = VariableEngine()
ve.AddGlobalVariable('globalvar')
AssertTrue('tgvd', ve.IsGlobalVariable('globalvar'))