public void Test_Not_Cacheable_No_CacheControl()
{
var cachingHandler = new CachingHandler();
var response = new HttpResponseMessage(HttpStatusCode.OK);
Assert.AreEqual(cachingHandler.ResponseValidator(response), ResponseValidationResult.NotCacheable);
}
public void Test_Not_Cacheable_StatusCode(HttpStatusCode code)
{
var cachingHandler = new CachingHandler("test", "1.0.0");
var response = new HttpResponseMessage(code);
Assert.AreEqual(cachingHandler.ResponseValidator(response), ResponseValidationResult.NotCacheable);
}
public void Test_Not_Cacheable_No_Content()
{
var cachingHandler = new CachingHandler();
var response = new HttpResponseMessage(HttpStatusCode.OK);
response.Headers.CacheControl = new CacheControlHeaderValue {
Public = true
};
Assert.AreEqual(cachingHandler.ResponseValidator(response), ResponseValidationResult.NotCacheable);
}
public void Test_Not_Cacheable_No_Expiration()
{
var cachingHandler = new CachingHandler("test", "1.0.0");
var response = new HttpResponseMessage(HttpStatusCode.OK);
response.Headers.CacheControl = new CacheControlHeaderValue()
{
Public = true
};
response.Content = new ByteArrayContent(new byte[256]);
Assert.AreEqual(cachingHandler.ResponseValidator(response), ResponseValidationResult.NotCacheable);
}
public void Test_NoCache_IsCacheable_And_NotStale_But_MustRevalidate()
{
var cachingHandler = new CachingHandler();
var response = new HttpResponseMessage(HttpStatusCode.OK);
response.Headers.CacheControl = new CacheControlHeaderValue {
Public = true, NoCache = true
};
response.Content = new ByteArrayContent(new byte[256]);
response.Content.Headers.Expires = DateTimeOffset.Now.AddHours(1); // resource is not stale
Assert.AreEqual(cachingHandler.ResponseValidator(response), ResponseValidationResult.MustRevalidate);
}
public void Test_Stale_By_Age()
{
var cachingHandler = new CachingHandler();
var response = new HttpResponseMessage(HttpStatusCode.OK);
response.Headers.CacheControl = new CacheControlHeaderValue()
{
Public = true,
MaxAge = TimeSpan.FromSeconds(200)
};
response.Headers.Date = DateTimeOffset.UtcNow.AddDays(-1);
response.Content = new ByteArrayContent(new byte[256]);
Assert.AreEqual(cachingHandler.ResponseValidator(response), ResponseValidationResult.MustRevalidate);
}
public void Test_Stale_By_Expires()
{
var cachingHandler = new CachingHandler();
cachingHandler.MustRevalidateByDefault = false;
var response = new HttpResponseMessage(HttpStatusCode.OK);
response.Headers.CacheControl = new CacheControlHeaderValue {
Public = true
};
response.Content = new ByteArrayContent(new byte[256]);
response.Content.Headers.Expires = DateTimeOffset.UtcNow.AddDays(-1);
Assert.AreEqual(cachingHandler.ResponseValidator(response), ResponseValidationResult.Stale);
}
public void Test_Must_Revalidate()
{
var cachingHandler = new CachingHandler("test", "1.0.0");
var response = new HttpResponseMessage(HttpStatusCode.OK);
response.Headers.CacheControl = new CacheControlHeaderValue()
{
Public = true,
MaxAge = TimeSpan.FromSeconds(200),
MustRevalidate = true
};
response.Headers.Date = DateTimeOffset.UtcNow;
response.Content = new ByteArrayContent(new byte[256]);
response.Content.Headers.Expires = DateTime.Now.Subtract(TimeSpan.FromSeconds(10));
Assert.AreEqual(cachingHandler.ResponseValidator(response), ResponseValidationResult.MustRevalidate);
}
public void Test_Age()
{
var cachingHandler = new CachingHandler()
{
MustRevalidateByDefault = false
};
var response = new HttpResponseMessage(HttpStatusCode.OK);
response.Headers.CacheControl = new CacheControlHeaderValue()
{
Public = true,
MaxAge = TimeSpan.FromSeconds(200),
MustRevalidate = false
};
response.Headers.Age = TimeSpan.FromSeconds(300); // more than MaxAge
response.Headers.Date = DateTimeOffset.UtcNow;
response.Content = new ByteArrayContent(new byte[256]);
Assert.Equal(ResponseValidationResult.Stale, cachingHandler.ResponseValidator(response));
}
