public void GetUrlForObservations_OnFlickrServiceError_ReturnsDefaultUrl()
{
// Arrange
var mockCache = new Mock <IMemoryCache>();
var mockLogger = new Mock <ILogger <BirdThumbnailPhotoService> >();
var mockFlickrService = new Mock <IFlickrService>();
mockFlickrService.Setup(serve => serve.GetThumbnailUrl(It.IsAny <string>()))
.Throws(new InvalidOperationException());
var service = new BirdThumbnailPhotoService(mockCache.Object, mockLogger.Object, mockFlickrService.Object);
const string expected = "https://farm1.staticflickr.com/908/28167626118_f9ed3a67cf_q.png";
var observations = new List <ObservationFeedDto> {
new ObservationFeedDto()
{
}
};
// Act
var result = service.GetThumbnailUrl(observations);
// Assert
Assert.IsAssignableFrom <IEnumerable <ObservationFeedDto> >(result);
Assert.Equal(expected, result.FirstOrDefault().ThumbnailUrl);
}
public void GetUrlForObservations_OnFlickrServiceSuccess_ReturnsUrl()
{
// Arrange
const string expected = "https://testUrl.png";
var concreteCache = new MemoryCache(new MemoryCacheOptions());
var mockLogger = new Mock <ILogger <BirdThumbnailPhotoService> >();
var mockFlickrService = new Mock <IFlickrService>();
mockFlickrService.Setup(serve => serve.GetThumbnailUrl(It.IsAny <string>()))
.Returns(expected);
var service = new BirdThumbnailPhotoService(concreteCache, mockLogger.Object, mockFlickrService.Object);
var observations = new List <ObservationFeedDto> {
new ObservationFeedDto()
{
}
};
// Act
var result = service.GetThumbnailUrl(observations);
// Assert
Assert.IsAssignableFrom <IEnumerable <ObservationFeedDto> >(result);
Assert.Equal(expected, result.FirstOrDefault().ThumbnailUrl);
}
public void GetUrlForObservations_NullArgument_ReturnsNullReferenceException()
{
// Arrange
var mockCache = new Mock <IMemoryCache>();
var mockFlickrService = new Mock <IFlickrService>();
var mockLogger = new Mock <ILogger <BirdThumbnailPhotoService> >();
var service = new BirdThumbnailPhotoService(mockCache.Object, mockLogger.Object, mockFlickrService.Object);
// Act
var ex = Assert.Throws <ArgumentNullException>(() =>
service.GetThumbnailUrl(null));
// Assert
Assert.Equal("The observations collection is null (Parameter 'observations')", ex.Message);
}
