public async Task TwoResponses_ErrorOnFirstGet_ReturnsError()
{
// Arrange
var expected = new object();
const int payload2 = 5000;
const string payload3 = "test-2";
const string message1 = "test-error-1";
const string message2 = "test-error-2";
var results = new List <object>();
var response1 = ResponseStub <decimal> .Error(message1);
var response2 = ResponseStub <int> .Success(payload2);
var transformed1 = ResponseStub <string> .Success(payload3);
var errorResponse2 = ResponseStub <string> .Error(message2);
var responseComposer = GetMock <IResponseComposer>();
responseComposer.Setup(x => x.From <decimal, string>(response1)).Returns(errorResponse2);
responseComposer.Setup(x => x.Success(payload3)).Returns(transformed1);
var logger = new LoggerStub();
var page = GetMock <IPageModelBase <object> >();
page.Setup(x => x.Logger).Returns(logger);
page.Setup(x => x.Return(errorResponse2)).Returns(expected);
// Act
var result = await ResponsePipeline <object>
.Get(() => Task.FromResult(response1))
.Get(r =>
{
results.Add(r);
return(Task.FromResult(response2));
})
.Combine((p, r) =>
{
results.Add(p);
results.Add(r);
return(payload3);
})
.EvaluateAsync(page, responseComposer);
// Assert
result.Should().Be(expected);
results.Should().BeEmpty();
logger.Trace.Should().BeEmpty();
logger.Error.Should()
.Contain(response1)
.And.HaveCount(1);
logger.Debug.Should().BeEmpty();
logger.Information.Should().BeEmpty();
logger.Warning.Should().BeEmpty();
logger.Critical.Should().BeEmpty();
}
public async Task SingleResponse_WithFailedTry_ReturnsResult()
{
// Arrange
const decimal payload = 1000m;
var response = GetMock <IResponse <decimal> >();
response.Setup(x => x.Succeeded).Returns(true);
response.Setup(x => x.Payload).Returns(payload);
var results = new List <object>();
var expected = new object();
const string expectedError = "E";
var negativeTry = ResponseStub.Error(expectedError);
var errorResult = ResponseStub <decimal> .Error("E2");
var responseComposer = GetMock <IResponseComposer>();
responseComposer
.Setup(x => x.From <decimal>(negativeTry))
.Returns(errorResult);
var logger = new LoggerStub();
var page = GetMock <IPageModelBase <object> >();
page.Setup(x => x.Logger).Returns(logger);
page.Setup(x => x.Return(errorResult)).Returns(expected);
// Act
var result = await ResponsePipeline <object>
.Get(() => Task.FromResult(response))
.Try(r =>
{
results.Add(r);
return(Task.FromResult(negativeTry));
})
.EvaluateAsync(page, responseComposer, null, null);
// Assert
result.Should().Be(expected);
results.Should().Contain(payload).And.HaveCount(1);
logger.Trace.Should().Contain(response).And.HaveCount(1);
logger.Error.Should().Contain(negativeTry)
.And.HaveCount(1);
logger.Debug.Should().BeEmpty();
logger.Information.Should().BeEmpty();
logger.Warning.Should().BeEmpty();
logger.Critical.Should().BeEmpty();
}
public async Task SingleResponse_WithTransform_WithCustomHandler_ReturnsResult()
{
// Arrange
const string expectedError = "error";
var response = ResponseStub <decimal> .Error(expectedError);
var responseComposer = GetMock <IResponseComposer>();
const string expected = "expected";
var transformed = new ResponseStub <string>()
{
Succeeded = true, Payload = expected
};
var logger = new LoggerStub();
var page = GetMock <IPageModelBase <object> >();
page.Setup(x => x.Logger).Returns(logger);
page.Setup(x => x.Return(response)).Returns(new object());
string receivedValue = null;
// Act
var result = await ResponsePipeline <object>
.Get(() => Task.FromResult(response))
.Transform(r => Task.FromResult((IResponse <string>)transformed))
.Evaluate(page, responseComposer, ((value, p) =>
{
receivedValue = value;
return(p);
}), null);
// Assert
result.Should().Be(page);
receivedValue.Should().Be(expected);
logger.Error.Should().Contain(x => x is IResponse <decimal> && !((IResponse <decimal>)x).Succeeded && ((IResponse <decimal>)x).Message == expectedError).And.HaveCount(1);
logger.Trace.Should().Contain(transformed).And.HaveCount(1);
logger.Debug.Should().BeEmpty();
logger.Information.Should().BeEmpty();
logger.Warning.Should().BeEmpty();
logger.Critical.Should().BeEmpty();
}