public async Task ReturnQueryResultFromCacheIfExistsInTheCache()
{
string expectedResult = "Returned from cache";
var queryServiceStub = new QueryServiceStub();
var cacheManagerStub = new Mock <ICacheManager>();
cacheManagerStub.Setup(cm => cm.Exists(It.IsAny <string>()))
.Returns(true);
cacheManagerStub.Setup(cm => cm.Get <object>(It.IsAny <string>()))
.Returns(expectedResult);
var optionsStub = new CacheOptions(false, int.MaxValue);
var userContextStub = new Mock <IUserContext>();
// Arrange
CacheQueryServiceProxy <QueryStub, object> sut =
new CacheQueryServiceProxy <QueryStub, object>(
queryService: queryServiceStub,
cacheManager: cacheManagerStub.Object,
options: optionsStub,
userContext: userContextStub.Object);
// Act
string actualResult = (string)await sut.ExecuteAsync(new QueryStub());
// Assert
Assert.AreEqual(expectedResult, actualResult);
}
public async Task NotCallThePassedQueryServiceWhenItsResultIsCached()
{
var queryServiceStub = new Mock <IQueryService <QueryStub, object> >();
var cacheManagerStub = new Mock <ICacheManager>();
cacheManagerStub.Setup(cm => cm.Exists(It.IsAny <string>()))
.Returns(true);
var optionsStub = new CacheOptions(false, int.MaxValue);
var userContextStub = new Mock <IUserContext>();
// Arrange
CacheQueryServiceProxy <QueryStub, object> sut =
new CacheQueryServiceProxy <QueryStub, object>(
queryService: queryServiceStub.Object,
cacheManager: cacheManagerStub.Object,
options: optionsStub,
userContext: userContextStub.Object);
// Act
string actualResult = (string)await sut.ExecuteAsync(new QueryStub());
// Assert
queryServiceStub.Verify(
q => q.ExecuteAsync(It.IsAny <QueryStub>()), Times.Never);
}
public async Task CacheTheQueryResultIfIsNotInTheCache()
{
var queryServiceStub = new QueryServiceStub();
var cacheManagerStub = new Mock <ICacheManager>();
cacheManagerStub.Setup(cm => cm.Exists(It.IsAny <string>()))
.Returns(false);
var optionsStub = new CacheOptions(false, int.MaxValue);
var userContextStub = new Mock <IUserContext>();
// Arrange
CacheQueryServiceProxy <QueryStub, object> sut =
new CacheQueryServiceProxy <QueryStub, object>(
queryService: queryServiceStub,
cacheManager: cacheManagerStub.Object,
options: optionsStub,
userContext: userContextStub.Object);
// Act
await sut.ExecuteAsync(new QueryStub());
// Assert
cacheManagerStub.Verify(cm => cm.Add(
It.IsAny <string>(), It.IsAny <object>(), It.IsAny <int>()), Times.Once);
}