public async Task StoreAnEntry()
{
//arrange
const string longUrl = "a long url";
const string shortUrlKey = "a short url key";
var expireOn = new DateTime(2019, 7, 1, 8, 13, 10);
int epochSeconds = AWSSDKUtils.ConvertToUnixEpochSeconds(expireOn);
var dynamoDBContextMock = new Mock <IDynamoDBContext>();
var sut = new ToShortUrlRepository(dynamoDBContextMock.Object);
//act
await sut.Store(longUrl, shortUrlKey, expireOn);
//assert
dynamoDBContextMock
.Verify(
m => m.SaveAsync(
It.Is <ToShortUrl>(u =>
u.ShortUrlKey == shortUrlKey &&
u.LongUrl == longUrl &&
u.ExpireOn == epochSeconds.ToString()),
It.IsAny <CancellationToken>()),
Times.Once);;
}
public async Task FetchNonExistingLongUrl()
{
//arrange
const string longUrl = "a long url";
var dynamoDBContextMock = new Mock <IDynamoDBContext>();
dynamoDBContextMock
.Setup(m => m.LoadAsync <ToShortUrl>(longUrl, It.IsAny <CancellationToken>()))
.ReturnsAsync(null as ToShortUrl);
var sut = new ToShortUrlRepository(dynamoDBContextMock.Object);
//act
var actual = await sut.FetchShortUrlKey(longUrl);
//assert
actual.Should().BeNull();
}