public void Styles_client_retrieves_last_known_good_content_from_local_cache_if_service_throws_exception()
{
// Arrange
var service = new Mock<IStylesService>();
service.Setup(x => x.Get(ContentTypes.Intranet_FatFooter)).Throws(new Exception("Unit test exception"));
var cache = new Mock<ILocalCache<List<ContentStyle>>>();
cache.Setup(x => x.WriteToCache(ContentTypes.Intranet_FatFooter, It.IsAny<List<ContentStyle>>(), It.IsAny<DateTime>()));
var styles = new List<ContentStyle>
{
new ContentStyle
{
Url = new Uri("http://styles.com/1.css")
}
};
cache.Setup(x => x.ReadFromCache(ContentTypes.Intranet_FatFooter)).Returns(styles);
var client = new StylesClient(service.Object, cache.Object);
// Act
client.Get(ContentTypes.Intranet_FatFooter);
// Assert
service.Verify(x => x.Get(ContentTypes.Intranet_FatFooter), Times.Once);
cache.Verify(x => x.ReadFromCache(ContentTypes.Intranet_FatFooter), Times.Once);
cache.Verify(x => x.WriteToCache(ContentTypes.Intranet_FatFooter, It.IsAny<List<ContentStyle>>(), It.IsAny<DateTime>()), Times.Never);
}
public void SmokeTest()
{
// Arrange
ConfigurationManager.AppSettings["StylesServiceUrl"] = "http://localhost:2222/api/Styles/";
var client = new StylesClient();
// Act
var content = client.Get(ContentTypes.Intranet_FatFooter);
// Assert
Assert.That(content, Is.Not.Null);
Assert.That(content, Is.InstanceOf<List<ContentStyle>>());
}
public void Styles_client_retrieves_last_known_good_content_from_local_cache_if_service_returns_no_data()
{
// Arrange
var service = new Mock<IStylesService>();
service.Setup(x => x.Get(ContentTypes.Intranet_FatFooter)).Returns((List<ContentStyle>)null);
var cache = new Mock<ILocalCache<List<ContentStyle>>>();
cache.Setup(x => x.WriteToCache(ContentTypes.Intranet_FatFooter, It.IsAny<List<ContentStyle>>(), It.IsAny<DateTime>()));
cache.Setup(x => x.ReadFromCache(ContentTypes.Intranet_FatFooter)).Returns((List<ContentStyle>)null);
var client = new StylesClient(service.Object, cache.Object);
// Act
client.Get(ContentTypes.Intranet_FatFooter);
// Assert
service.Verify(x => x.Get(ContentTypes.Intranet_FatFooter), Times.Once);
cache.Verify(x => x.ReadFromCache(ContentTypes.Intranet_FatFooter), Times.Once);
cache.Verify(x => x.WriteToCache(ContentTypes.Intranet_FatFooter, It.IsAny<List<ContentStyle>>(), It.IsAny<DateTime>()), Times.Never);
}
public void Styles_client_stores_last_known_good_response_to_local_cache()
{
// Arrange
var service = new Mock<IStylesService>();
var styles = new List<ContentStyle>
{
new ContentStyle
{
Url = new Uri("http://styles.com/1.css")
}
};
service.Setup(x => x.Get(ContentTypes.Intranet_FatFooter)).Returns(styles);
var cache = new Mock<ILocalCache<List<ContentStyle>>>();
cache.Setup(x => x.WriteToCache(ContentTypes.Intranet_FatFooter, It.IsAny<List<ContentStyle>>(), It.IsAny<DateTime>()));
var client = new StylesClient(service.Object, cache.Object);
// Act
client.Get(ContentTypes.Intranet_FatFooter);
// Assert
service.Verify(x => x.Get(ContentTypes.Intranet_FatFooter), Times.Once);
cache.Verify(x => x.WriteToCache(ContentTypes.Intranet_FatFooter, It.IsAny<List<ContentStyle>>(), It.IsAny<DateTime>()), Times.Once);
}