public void CreateInstance_HonorsOverrides(
ResponseCacheAttribute responseCache,
Dictionary <string, CacheProfile> cacheProfiles,
CacheProfile expectedProfile)
{
// Arrange & Act
var createdFilter = responseCache.CreateInstance(GetServiceProvider(cacheProfiles));
// Assert
var responseCacheFilter = Assert.IsType <ResponseCacheFilter>(createdFilter);
Assert.Equal(expectedProfile.Duration, responseCacheFilter.Duration);
Assert.Equal(expectedProfile.Location, responseCacheFilter.Location);
Assert.Equal(expectedProfile.NoStore, responseCacheFilter.NoStore);
Assert.Equal(expectedProfile.VaryByHeader, responseCacheFilter.VaryByHeader);
}
/// <inheritdoc />
public IFilterMetadata CreateInstance(IServiceProvider serviceProvider)
{
if (serviceProvider == null)
{
throw new ArgumentNullException(nameof(serviceProvider));
}
var optionsAccessor = serviceProvider.GetRequiredService <IOptions <MvcOptions> >();
CacheProfile selectedProfile = null;
if (CacheProfileName != null)
{
optionsAccessor.Value.CacheProfiles.TryGetValue(CacheProfileName, out selectedProfile);
if (selectedProfile == null)
{
throw new InvalidOperationException(Resources.FormatCacheProfileNotFound(CacheProfileName));
}
}
// If the ResponseCacheAttribute parameters are set,
// then it must override the values from the Cache Profile.
// The below expression first checks if the duration is set by the attribute's parameter.
// If absent, it checks the selected cache profile (Note: There can be no cache profile as well)
// The same is the case for other properties.
_duration = _duration ?? selectedProfile?.Duration;
_noStore = _noStore ?? selectedProfile?.NoStore;
_location = _location ?? selectedProfile?.Location;
VaryByHeader = VaryByHeader ?? selectedProfile?.VaryByHeader;
VaryByQueryKeys = VaryByQueryKeys ?? selectedProfile?.VaryByQueryKeys;
// ResponseCacheFilter cannot take any null values. Hence, if there are any null values,
// the properties convert them to their defaults and are passed on.
return(new ResponseCacheFilter(new CacheProfile
{
Duration = _duration,
Location = _location,
NoStore = _noStore,
VaryByHeader = VaryByHeader,
VaryByQueryKeys = VaryByQueryKeys,
}));
}
public void CreateInstance_HonorsOverrides(
ResponseCacheAttribute responseCache,
Dictionary<string, CacheProfile> cacheProfiles,
CacheProfile expectedProfile)
{
// Arrange & Act
var createdFilter = responseCache.CreateInstance(GetServiceProvider(cacheProfiles));
// Assert
var responseCacheFilter = Assert.IsType<ResponseCacheFilter>(createdFilter);
Assert.Equal(expectedProfile.Duration, responseCacheFilter.Duration);
Assert.Equal(expectedProfile.Location, responseCacheFilter.Location);
Assert.Equal(expectedProfile.NoStore, responseCacheFilter.NoStore);
Assert.Equal(expectedProfile.VaryByHeader, responseCacheFilter.VaryByHeader);
}