public void ToString_UseRequestDirectiveValues_AllSerializedCorrectly()
{
var cacheControl = new CacheControlHeaderValue();
Assert.Equal("", cacheControl.ToString());
// Note that we allow all combinations of all properties even though the RFC specifies rules what value
// can be used together.
// Also for property pairs (bool property + collection property) like 'NoCache' and 'NoCacheHeaders' the
// caller needs to set the bool property in order for the collection to be populated as string.
// Cache Request Directive sample
cacheControl.NoStore = true;
Assert.Equal("no-store", cacheControl.ToString());
cacheControl.NoCache = true;
Assert.Equal("no-store, no-cache", cacheControl.ToString());
cacheControl.MaxAge = new TimeSpan(0, 1, 10);
Assert.Equal("no-store, no-cache, max-age=70", cacheControl.ToString());
cacheControl.MaxStale = true;
Assert.Equal("no-store, no-cache, max-age=70, max-stale", cacheControl.ToString());
cacheControl.MaxStaleLimit = new TimeSpan(0, 2, 5);
Assert.Equal("no-store, no-cache, max-age=70, max-stale=125", cacheControl.ToString());
cacheControl.MinFresh = new TimeSpan(0, 3, 0);
Assert.Equal("no-store, no-cache, max-age=70, max-stale=125, min-fresh=180", cacheControl.ToString());
cacheControl = new CacheControlHeaderValue();
cacheControl.NoTransform = true;
Assert.Equal("no-transform", cacheControl.ToString());
cacheControl.OnlyIfCached = true;
Assert.Equal("no-transform, only-if-cached", cacheControl.ToString());
cacheControl.Extensions.Add(new NameValueHeaderValue("custom"));
cacheControl.Extensions.Add(new NameValueHeaderValue("customName", "customValue"));
Assert.Equal("no-transform, only-if-cached, custom, customName=customValue", cacheControl.ToString());
cacheControl = new CacheControlHeaderValue();
cacheControl.Extensions.Add(new NameValueHeaderValue("custom"));
Assert.Equal("custom", cacheControl.ToString());
}
public void Equals_CompareValuesWithBoolFieldsSet_MatchExpectation()
{
// Verify that different bool fields return different hash values.
var values = new CacheControlHeaderValue[9];
for (int i = 0; i < values.Length; i++)
{
values[i] = new CacheControlHeaderValue();
}
values[0].ProxyRevalidate = true;
values[1].NoCache = true;
values[2].NoStore = true;
values[3].MaxStale = true;
values[4].NoTransform = true;
values[5].OnlyIfCached = true;
values[6].Public = true;
values[7].Private = true;
values[8].MustRevalidate = true;
// Only one bool field set. All hash codes should differ
for (int i = 0; i < values.Length; i++)
{
for (int j = 0; j < values.Length; j++)
{
if (i != j)
{
CompareValues(values[i], values[j], false);
}
}
}
// Validate that two instances with the same bool fields set are equal.
values[0].NoCache = true;
CompareValues(values[0], values[1], false);
values[1].ProxyRevalidate = true;
CompareValues(values[0], values[1], true);
}
public void TryParse_SetOfValidValueStrings_ParsedCorrectly()
{
// Just verify parser is implemented correctly. Don't try to test syntax parsed by CacheControlHeaderValue.
var expected = new CacheControlHeaderValue();
expected.NoStore = true;
expected.MinFresh = new TimeSpan(0, 2, 3);
CheckValidTryParse(" , no-store, min-fresh=123", expected);
expected = new CacheControlHeaderValue();
expected.MaxStale = true;
expected.NoCache = true;
expected.NoCacheHeaders.Add("t");
CheckValidTryParse("max-stale, no-cache=\"t\", ,,", expected);
expected = new CacheControlHeaderValue();
expected.Extensions.Add(new NameValueHeaderValue("custom"));
CheckValidTryParse("custom = ", expected);
expected = new CacheControlHeaderValue();
expected.Extensions.Add(new NameValueHeaderValue("custom", ""));
CheckValidTryParse("custom =", expected);
}
public void GetHashCode_CompareCollectionFieldsSet_MatchExpectation()
{
var cacheControl1 = new CacheControlHeaderValue();
var cacheControl2 = new CacheControlHeaderValue();
var cacheControl3 = new CacheControlHeaderValue();
var cacheControl4 = new CacheControlHeaderValue();
var cacheControl5 = new CacheControlHeaderValue();
cacheControl1.NoCache = true;
cacheControl1.NoCacheHeaders.Add("token2");
cacheControl2.NoCache = true;
cacheControl2.NoCacheHeaders.Add("token1");
cacheControl2.NoCacheHeaders.Add("token2");
CompareHashCodes(cacheControl1, cacheControl2, false);
cacheControl1.NoCacheHeaders.Add("token1");
CompareHashCodes(cacheControl1, cacheControl2, true);
// Since NoCache and Private generate different hash codes, even if NoCacheHeaders and PrivateHeaders
// have the same values, the hash code will be different.
cacheControl3.Private = true;
cacheControl3.PrivateHeaders.Add("token2");
CompareHashCodes(cacheControl1, cacheControl3, false);
cacheControl4.Extensions.Add(new NameValueHeaderValue("custom"));
CompareHashCodes(cacheControl1, cacheControl4, false);
cacheControl5.Extensions.Add(new NameValueHeaderValue("customN", "customV"));
cacheControl5.Extensions.Add(new NameValueHeaderValue("custom"));
CompareHashCodes(cacheControl4, cacheControl5, false);
cacheControl4.Extensions.Add(new NameValueHeaderValue("customN", "customV"));
CompareHashCodes(cacheControl4, cacheControl5, true);
}
public void ToString_UseResponseDirectiveValues_AllSerializedCorrectly()
{
var cacheControl = new CacheControlHeaderValue();
Assert.Equal("", cacheControl.ToString());
cacheControl.NoCache = true;
Assert.Equal("no-cache", cacheControl.ToString());
cacheControl.NoCacheHeaders.Add("token1");
Assert.Equal("no-cache=\"token1\"", cacheControl.ToString());
cacheControl.Public = true;
Assert.Equal("public, no-cache=\"token1\"", cacheControl.ToString());
cacheControl = new CacheControlHeaderValue();
cacheControl.Private = true;
Assert.Equal("private", cacheControl.ToString());
cacheControl.PrivateHeaders.Add("token2");
cacheControl.PrivateHeaders.Add("token3");
Assert.Equal("private=\"token2, token3\"", cacheControl.ToString());
cacheControl.MustRevalidate = true;
Assert.Equal("must-revalidate, private=\"token2, token3\"", cacheControl.ToString());
cacheControl.ProxyRevalidate = true;
Assert.Equal("must-revalidate, proxy-revalidate, private=\"token2, token3\"", cacheControl.ToString());
}
private void CheckInvalidParse(string input)
{
Assert.Throws <FormatException>(() => CacheControlHeaderValue.Parse(input));
}
private void CheckValidParse(string input, CacheControlHeaderValue expectedResult)
{
var result = CacheControlHeaderValue.Parse(input);
Assert.Equal(expectedResult, result);
}
private void CompareValues(CacheControlHeaderValue x, CacheControlHeaderValue y, bool areEqual)
{
Assert.Equal(areEqual, x.Equals(y));
Assert.Equal(areEqual, y.Equals(x));
}
