public async Task ApiDataProcessorServiceGetReturnsNullForNoData()
{
// arrange
ApiSummaryModel?expectedResult = null;
A.CallTo(() => fakeApiService.GetAsync(A <HttpClient> .Ignored, A <Uri> .Ignored, A <string> .Ignored)).Returns(string.Empty);
var apiDataProcessorService = new ApiDataProcessorService(fakeApiService);
// act
var result = await apiDataProcessorService.GetAsync <ApiSummaryModel>(A.Fake <HttpClient>(), new Uri("https://somewhere.com")).ConfigureAwait(false);
// assert
A.CallTo(() => fakeApiService.GetAsync(A <HttpClient> .Ignored, A <Uri> .Ignored, A <string> .Ignored)).MustHaveHappenedOnceExactly();
A.Equals(result, expectedResult);
}
public async Task ApiDataProcessorServiceGetReturnsSuccess()
{
// arrange
var expectedResult = new ApiSummaryModel
{
Url = new Uri("https://somewhere.com"),
Title = "a-name",
Published = DateTime.Now,
CreatedDate = DateTime.Now,
};
var jsonResponse = JsonConvert.SerializeObject(expectedResult);
A.CallTo(() => fakeApiService.GetAsync(A <HttpClient> .Ignored, A <Uri> .Ignored, A <string> .Ignored)).Returns(jsonResponse);
var apiDataProcessorService = new ApiDataProcessorService(fakeApiService);
// act
var result = await apiDataProcessorService.GetAsync <ApiSummaryModel>(A.Fake <HttpClient>(), new Uri("https://somewhere.com")).ConfigureAwait(false);
// assert
A.CallTo(() => fakeApiService.GetAsync(A <HttpClient> .Ignored, A <Uri> .Ignored, A <string> .Ignored)).MustHaveHappenedOnceExactly();
A.Equals(result, expectedResult);
}
public async Task ApiDataProcessorServiceGetReturnsExceptionForNoHttpClient()
{
// arrange
var apiDataProcessorService = new ApiDataProcessorService(fakeApiService);
// act
var exceptionResult = await Assert.ThrowsAsync <ArgumentNullException>(async() => await apiDataProcessorService.GetAsync <ApiSummaryModel>(null, new Uri("https://somewhere.com")).ConfigureAwait(false)).ConfigureAwait(false);
// assert
A.CallTo(() => fakeApiService.GetAsync(A <HttpClient> .Ignored, A <Uri> .Ignored, A <string> .Ignored)).MustNotHaveHappened();
Assert.Equal("Value cannot be null. (Parameter 'httpClient')", exceptionResult.Message);
}