public async Task AddAsyncShouldThrowArgumentNullForInvalidUrl(string url)
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "AddAsyncShouldThrowArgumentNullForInvalidUrl").Options;
var dbContext = new ApplicationDbContext(options);
var repository = new EfDeletableEntityRepository <Image>(dbContext);
var service = new ImagesService(repository);
await Assert.ThrowsAsync <ArgumentNullException>(() => service.AddAsync(url));
}
public async Task GetImageByUrlShouldWork()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "GetImageByUrlShouldWork").Options;
var dbContext = new ApplicationDbContext(options);
var repository = new EfDeletableEntityRepository <Image>(dbContext);
var service = new ImagesService(repository);
await service.AddAsync("random string");
Assert.Equal("random string", service.GetImageByUrl("random string").Url);
}