public async Task GetHeadersPageTaggedNullDataTest()
{
//Arrange
var mockCache = new Mock <ICacheAccessor>();
var mockDb = new Mock <IBlogAccessor>();
mockDb.Setup(m => m.GetPostHeaderPageByTag(It.IsAny <int>(), It.IsAny <int>(), It.IsAny <string>()))
.ReturnsAsync(() => null);
var engine = new BlogEngine(mockDb.Object, mockCache.Object);
//Act
var results = await engine.GetPageOfHeadersByTag(0, 2, TestConstants.GuidString);
//Assert
Assert.IsNull(results, "Should be null");
mockCache.Verify(m =>
m.CacheEnt(It.IsAny <string>(), It.IsAny <IEnumerable <PostHeader> >(), It.IsAny <TimeSpan?>()),
Times.Never, "Should be skipped because of null");
}
public async Task GetHeadersPageTaggedCachedTest()
{
//Arrange
var mockCache = new Mock <ICacheAccessor>();
var mockDb = new Mock <IBlogAccessor>();
mockCache.Setup(m => m.GetEnt <IEnumerable <PostHeader> >(It.IsAny <string>()))
.ReturnsAsync(() => new[]
{
new PostHeader
{
BodyId = 1,
Id = 1,
Title = TestConstants.GuidString,
Tags = new []
{
new Tag
{
Id = 1,
Text = TestConstants.GuidString
},
new Tag
{
Id = 2,
Text = TestConstants.GuidString
}
}
},
new PostHeader
{
BodyId = 2,
Id = 2,
Title = TestConstants.GuidString,
Tags = new []
{
new Tag
{
Id = 3,
Text = TestConstants.GuidString
},
new Tag
{
Id = 4,
Text = TestConstants.GuidString
}
}
},
});
var engine = new BlogEngine(mockDb.Object, mockCache.Object);
//Act
var results = await engine.GetPageOfHeadersByTag(0, 2, TestConstants.GuidString);
//Assert
Assert.IsNotNull(results, "Should never be null");
Assert.IsInstanceOfType(results, typeof(IEnumerable <PostHeader>));
Assert.AreEqual(2, results.Count(), "Should be two headers on this page");
mockDb.Verify(m => m.GetPostHeaderPageByTag(It.IsAny <int>(), It.IsAny <int>(), It.IsAny <string>()),
Times.Never, "Should never reach db because results were cached.");
mockCache.Verify(m =>
m.CacheEnt <IEnumerable <PostHeader> >(It.IsAny <string>(), It.IsAny <IEnumerable <PostHeader> >(), It.IsAny <TimeSpan?>()),
Times.Never, "Should have bailed before getting here");
}