public async void GetLongUrl_CacheNoneCacheTest()
{
var mockRepo = new Mock <IUrlRepository>();
var mockLogger = new Mock <ILogger <UrlShorteningService> >();
var mockCache = new Mock <ICacheService>();
var service = new UrlShorteningService(_settings, mockRepo.Object, mockCache.Object, mockLogger.Object);
var shortUrlCode = "aBcDeF";
var pk = "aBc";
var longUrl = "https://example.com";
mockCache.SetupSequence(c => c.GetCache(shortUrlCode))
.Returns(longUrl)
.Returns(string.Empty);
// get value from cache
Assert.Equal(longUrl, service.GetLongUrl(shortUrlCode).Result.Data);
// check if cache set and repo called
mockRepo.Setup(r => r.GetRedirectOptimizedUrl(pk, shortUrlCode))
.Returns(Task.FromResult(new Url(pk, shortUrlCode, longUrl)));
await service.GetLongUrl(shortUrlCode);
mockRepo.Verify(v => v.GetRedirectOptimizedUrl(pk, shortUrlCode), Times.Once);
mockCache.Verify(c => c.SetCache(shortUrlCode, longUrl), Times.Once);
}
public void GetLongUrl_CacheThrowException()
{
var mockRepo = new Mock <IUrlRepository>();
var mockLogger = new Mock <ILogger <UrlShorteningService> >();
var mockCache = new Mock <ICacheService>();
var service = new UrlShorteningService(_settings, mockRepo.Object, mockCache.Object, mockLogger.Object);
var shortUrlCode = "aBcDeF";
string cacheEx = "Cache Exception";
mockCache.Setup(c => c.GetCache(shortUrlCode))
.Throws(new Exception(cacheEx));
Assert.Equal(cacheEx, service.GetLongUrl(shortUrlCode).Result.Error);
}
public void GetLongUrl_RepoThrowException()
{
var mockRepo = new Mock <IUrlRepository>();
var mockLogger = new Mock <ILogger <UrlShorteningService> >();
var mockCache = new Mock <ICacheService>();
var service = new UrlShorteningService(_settings, mockRepo.Object, mockCache.Object, mockLogger.Object);
var shortUrlCode = "aBcDeF";
var pk = "aBc";
string repoEx = "Repo Exception";
mockRepo.Setup(r => r.GetRedirectOptimizedUrl(pk, shortUrlCode))
.Throws(new Exception(repoEx));
Assert.Equal(repoEx, service.GetLongUrl(shortUrlCode).Result.Error);
}