public void Given_Null_When_GetUrlItemEntityAsync_Invoked_Then_It_Should_Throw_Exception()
{
var helper = new Mock <ICosmosDbContainerHelper>();
var query = new CosmosDbQuery(helper.Object);
Func <Task> func = async() => await query.GetUrlItemEntityAsync(null).ConfigureAwait(false);
func.Should().Throw <ArgumentNullException>();
}
public async Task Given_Values_When_GetUrlItemEntityAsync_Invoked_Then_It_Should_Return_Null(string shortUrl)
{
var iterator = new Mock <FeedIterator <UrlItemEntity> >();
iterator.SetupGet(p => p.HasMoreResults).Returns(false);
var container = new Mock <Container>();
container.Setup(p => p.GetItemQueryIterator <UrlItemEntity>(It.IsAny <QueryDefinition>(), It.IsAny <string>(), It.IsAny <QueryRequestOptions>()))
.Returns(iterator.Object);
var helper = new Mock <ICosmosDbContainerHelper>();
helper.Setup(p => p.GetContainerAsync()).ReturnsAsync(container.Object);
var query = new CosmosDbQuery(helper.Object);
var result = await query.GetUrlItemEntityAsync(shortUrl).ConfigureAwait(false);
result.Should().BeNull();
}
public async Task Given_Values_When_GetUrlItemEntityAsync_Invoked_Then_It_Should_Return_Result(string shortUrl)
{
var record = new UrlItemEntity()
{
ShortUrl = shortUrl
};
var records = new List <UrlItemEntity>()
{
record
};
var feed = new Mock <FeedResponse <UrlItemEntity> >();
feed.SetupGet(p => p.Resource).Returns(records);
feed.Setup(p => p.GetEnumerator()).Returns(records.GetEnumerator());
var iterator = new Mock <FeedIterator <UrlItemEntity> >();
iterator.SetupSequence(p => p.HasMoreResults)
.Returns(true)
.Returns(false);
iterator.Setup(p => p.ReadNextAsync(It.IsAny <CancellationToken>())).ReturnsAsync(feed.Object);
var container = new Mock <Container>();
container.Setup(p => p.GetItemQueryIterator <UrlItemEntity>(It.IsAny <QueryDefinition>(), It.IsAny <string>(), It.IsAny <QueryRequestOptions>()))
.Returns(iterator.Object);
var helper = new Mock <ICosmosDbContainerHelper>();
helper.Setup(p => p.GetContainerAsync()).ReturnsAsync(container.Object);
var query = new CosmosDbQuery(helper.Object);
var result = await query.GetUrlItemEntityAsync(shortUrl).ConfigureAwait(false);
result.Should().NotBeNull();
result.ShortUrl.Should().Be(shortUrl);
}