public async Task DownloadImagesAsync_UnexistingImage_DownloadsAndSaves()
{
// Arrange
var metadata = new BingArchiveDto
{
Images = new []
{
new BingImagesArchiveDto
{
Url = "/th?id=myImage001.jpg"
}
}
};
string folderPath = "c:\\";
var streamMock = new Mock <Stream>();
_mocker.GetMock <IHttpAdapter>()
.Setup(x => x.GetStreamAsync(new Uri("https://www.bing.com/th?id=myImage001.jpg", UriKind.Absolute), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult(streamMock.Object));
_mocker.GetMock <IFileStreamAdapter>()
.Setup(x => x.SaveAsync(streamMock.Object, "c:\\myImage001.jpg", It.IsAny <CancellationToken>()))
.Returns(Task.CompletedTask);
// Act
var images = (await _service.DownloadImagesAsync(metadata, folderPath)).ToList();
// Assert
Assert.Single(images);
Assert.Contains("c:\\myImage001.jpg", images);
}
