def test_operation_chain_iterable_iterations(self):
operationChain = operation_chain.parseRequest(self.getRequestSample())
iterations = 0
for operation in operationChain:
iterations += 1
self.assertEqual(3, iterations)
def test_operation_chain_elements(self):
operationChain = operation_chain.parseRequest(self.getRequestSample())
self.compareParsedAgainstRequestSample(
operationChain.getOperationAtIndex(0), 0, 1, 2)
self.compareParsedAgainstRequestSample(
operationChain.getOperationAtIndex(1), 2, 3, 4)
self.compareParsedAgainstRequestSample(
operationChain.getOperationAtIndex(2), 4, 5, 6)
def test_operation_chain_iterable_elements(self):
operationChain = operation_chain.parseRequest(self.getRequestSample())
for index, operation in enumerate(operationChain):
if (index == 0):
self.compareParsedAgainstRequestSample(operation, 0, 1, 2)
elif (index == 1):
self.compareParsedAgainstRequestSample(operation, 2, 3, 4)
elif (index == 2):
self.compareParsedAgainstRequestSample(
operationChain.getOperationAtIndex(2), 4, 5, 6)
def test_operations_precedence(self):
operations = operation_chain.parseRequest(self.getRequestSample())
precedenceArray = calculator.createPrecedenceArray(operations)
self.compareParsedAgainstRequestSample(
heapq.heappop(precedenceArray)[2], 4, 5, 6)
self.compareParsedAgainstRequestSample(
heapq.heappop(precedenceArray)[2], 0, 1, 2)
self.compareParsedAgainstRequestSample(
heapq.heappop(precedenceArray)[2], 2, 3, 4)
def consumeRequest(request):
operationChain = operation_chain.parseRequest(request)
#todo: validate chain
operationsInPrecedence = createPrecedenceArray(operationChain)
result = Matrix({})
for i in range(len(operationsInPrecedence)):
operation = heapq.heappop(operationsInPrecedence)[2]
result = operations.delegateOperation(
Matrix(operation.getLeftOperand()),
Matrix(operation.getRightOperand()),
operation.getOperator()['op']).matrix
operation.setResult(result)
operationChain.carryOut(operation)
return result
def test_operation_chain_size(self):
operationChain = operation_chain.parseRequest(self.getRequestSample())
self.assertEqual(operationChain.getSize(), 3)