public async Task StaticProviderIsUsedFirst_Async()
{
// Arrange
_staticMetadataProvider.GetMetadata("some_env.com").Returns(_expectedResult);
// Act
InstanceDiscoveryMetadataEntry actualResult1 = await _discoveryManager.GetMetadataEntryTryAvoidNetworkAsync(
Authority,
new[] { "env1", "env2" },
_testRequestContext)
.ConfigureAwait(false);
_staticMetadataProvider.Received(1).GetMetadata("some_env.com");
InstanceDiscoveryMetadataEntry actualResult2 = await _discoveryManager.GetMetadataEntryAsync(
"https://some_env.com/tid",
_testRequestContext)
.ConfigureAwait(false);
_staticMetadataProvider.Received(2).GetMetadata("some_env.com");
_staticMetadataProvider.AddMetadata(null, null);
// Assert
Assert.AreSame(_expectedResult, actualResult1, "The static provider should be queried first");
Assert.AreSame(_expectedResult, actualResult2, "The static provider should be queried first");
}
public async Task <InstanceDiscoveryMetadataEntry> GetMetadataEntryTryAvoidNetworkAsync(
string authority,
IEnumerable <string> existingEnvironmentsInCache,
RequestContext requestContext)
{
AuthorityType type = Authority.GetAuthorityType(authority);
Uri authorityUri = new Uri(authority);
string environment = authorityUri.Host;
switch (type)
{
case AuthorityType.Aad:
InstanceDiscoveryMetadataEntry entry = _staticMetadataProvider.GetMetadata(environment);
if (entry != null)
{
return(entry);
}
entry = _knownMetadataProvider.GetMetadata(environment, existingEnvironmentsInCache);
if (entry != null)
{
return(entry);
}
return(await GetMetadataEntryAsync(authority, requestContext).ConfigureAwait(false));
case AuthorityType.Adfs:
case AuthorityType.B2C:
return(await GetMetadataEntryAsync(authority, requestContext).ConfigureAwait(false));
default:
throw new InvalidOperationException("Unexpected authority type " + type);
}
}