public void should_generate_400_bad_request_result()
{
// Arrange
var _sut = new Calculator.Api.Calculator(this._mockHandler.Object);
// Act & Assert
Assert.ThrowsAsync <ArgumentNullException>(() => _sut.Calculate(CreateHttpRequest("instructionSet", ""),
this._mockLogger.Object,
new ExecutionContext()
{
FunctionAppDirectory = Directory.GetCurrentDirectory()
}));
var result = _sut.Calculate(CreateHttpRequest("instructionSet", ""),
this._mockLogger.Object,
new ExecutionContext()
{
FunctionAppDirectory = Directory.GetCurrentDirectory()
}).Result;
Assert.NotNull(result);
Assert.Equal(StatusCodes.Status400BadRequest, ((BadRequestObjectResult)result).StatusCode);
}
public void should_generate_500_internal_server_error_result()
{
// Arrange
this._mockHandler.Setup(x => x.Handle(It.IsAny <string>())).ThrowsAsync(new Exception("Something unexpected occur"));
var _sut = new Calculator.Api.Calculator(this._mockHandler.Object);
// Act
var result = _sut.Calculate(CreateHttpRequest("instructionSet", "Sample"),
this._mockLogger.Object,
new ExecutionContext()
{
FunctionAppDirectory = Directory.GetCurrentDirectory()
}).Result;
// Assert
Assert.NotNull(result);
Assert.Equal(StatusCodes.Status500InternalServerError, ((StatusCodeResult)result).StatusCode);
}
public void should_result_error_response_for_400_bad_request()
{
// Arrange
var _sut = new Calculator.Api.Calculator(this._mockHandler.Object);
var errorMessage = "Error while calculating based on InstructionSet: . Error Details: Please provide an InstructionSet. (Parameter 'InstructionSet')";
// Act
var result = _sut.Calculate(CreateHttpRequest("instructionSet", ""),
this._mockLogger.Object,
new ExecutionContext()
{
FunctionAppDirectory = Directory.GetCurrentDirectory()
}).Result;
// Assert
Assert.NotNull(result);
Assert.Equal(StatusCodes.Status400BadRequest, ((CalculationResult)((BadRequestObjectResult)result).Value).Error.ErrorCode);
Assert.Equal(errorMessage, ((CalculationResult)((BadRequestObjectResult)result).Value).Error.ErrorMessage);
}
public void should_successfully_generate_200_ok_result()
{
// Arrange
var expectedResult = 5;
this._mockHandler.Setup(x => x.Handle(It.IsAny <string>())).ReturnsAsync(expectedResult);
var _sut = new Calculator.Api.Calculator(this._mockHandler.Object);
// Act
var result = _sut.Calculate(CreateHttpRequest("instructionSet", "Sample"),
this._mockLogger.Object,
new ExecutionContext()
{
FunctionAppDirectory = Directory.GetCurrentDirectory()
}).Result;
// Assert
Assert.NotNull(result);
Assert.Equal(StatusCodes.Status200OK, ((OkObjectResult)result).StatusCode);
Assert.Equal(expectedResult, ((CalculationResult)((OkObjectResult)result).Value).Result);
}
public void should_generate_422_unprocessable_entity_result()
{
// Arrange
var errorMessage = "Error while calculating based on InstructionSet: Sample. Error Details: Invalid operation";
this._mockHandler.Setup(x => x.Handle(It.IsAny <string>())).ThrowsAsync(new DivideByZeroException("Invalid operation"));
var _sut = new Calculator.Api.Calculator(this._mockHandler.Object);
// Act
var result = _sut.Calculate(CreateHttpRequest("instructionSet", "Sample"),
this._mockLogger.Object,
new ExecutionContext()
{
FunctionAppDirectory = Directory.GetCurrentDirectory()
}).Result;
// Assert
Assert.NotNull(result);
Assert.Equal(StatusCodes.Status422UnprocessableEntity, ((UnprocessableEntityObjectResult)result).StatusCode);
Assert.Equal(errorMessage, ((CalculationResult)((UnprocessableEntityObjectResult)result).Value).Error.ErrorMessage);
}