public void GetImage_RestClientFailed_ExceptionThrown()
{
// Arrange
var expected = new byte[0];
var uriAddress = "http://localhost:63219/";
Mock <IRestClient> restClient = new Mock <IRestClient>(MockBehavior.Strict);
restClient.Setup(x => x.Execute(It.IsAny <IRestRequest>())).Throws(new Exception());
restClient.SetupSet(x => x.BaseUrl = new Uri(uriAddress));
var imageService = new ExternalImageService
{
ExternalImageServiceUrl = uriAddress,
ExternalImageServiceResource = "image",
ExternalImageServiceQueryParameter = "imageName"
};
Mock <IOptions <IFictionConfiguration> > configuration = new Mock <IOptions <IFictionConfiguration> >(MockBehavior.Strict);
configuration.Setup(x => x.Value.ImageName).Returns("Image_name.png");
configuration.SetupGet(x => x.Value.ExternalImageService).Returns(imageService);
var sut = new ExternalImageServiceClient(configuration.Object, restClient.Object);
// Act & Assert
Assert.Throws <Exception>(() => sut.GetImage());
}
public void GetImage_Success_AllRestClientInvocationsCalled()
{
// Arrange
var expected = new byte[0];
var uriAddress = "http://localhost:63219/";
Mock <IRestClient> restClient = new Mock <IRestClient>(MockBehavior.Strict);
restClient.Setup(x => x.Execute(It.IsAny <IRestRequest>())).Returns(new RestResponse {
RawBytes = expected
});
restClient.SetupSet(x => x.BaseUrl = new Uri(uriAddress));
var imageService = new ExternalImageService
{
ExternalImageServiceUrl = uriAddress,
ExternalImageServiceResource = "image",
ExternalImageServiceQueryParameter = "imageName"
};
Mock <IOptions <IFictionConfiguration> > configuration = new Mock <IOptions <IFictionConfiguration> >(MockBehavior.Strict);
configuration.Setup(x => x.Value.ImageName).Returns("Image_name.png");
configuration.SetupGet(x => x.Value.ExternalImageService).Returns(imageService);
var sut = new ExternalImageServiceClient(configuration.Object, restClient.Object);
// Act
byte[] result = sut.GetImage();
// Assert
Assert.Equal(expected, result);
restClient.Verify(x => x.Execute(It.IsAny <IRestRequest>()), Times.Once);
restClient.VerifySet(x => x.BaseUrl = new Uri(uriAddress), Times.Once);
}
