public async Task ChangePictureAsyncWithEmptyUri_ShouldThrowArgumentNullException()
{
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
await this.SeedDataAsync(context);
var pictureService = new PictureService(context);
var picture = await pictureService.GetPictureAsync();
picture.Uri = " ";
await Assert.ThrowsAsync <ArgumentNullException>(async() =>
{
await pictureService.ChangePictureAsync(picture);
});
}
public async Task ChangePictureAsync_ShouldChangeSuccessfully()
{
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
await this.SeedDataAsync(context);
var pictureService = new PictureService(context);
var picture = await pictureService.GetPictureAsync();
picture.Uri = "Uri 2";
await pictureService.ChangePictureAsync(picture);
var expectedResult = "Uri 2";
var actualResultAsPicture = await context.Pictures.FindAsync(1);
var actualResult = actualResultAsPicture.Uri;
Assert.True(expectedResult == actualResult);
}