public void GetToken_WhenTokenIsNotInCacheAndTokenProxyReturnsNull_ThrowsException()
{
//Arrange
ICacheProvider cacheProvider = CreateCacheProvider();
cacheProvider
.GetAsync <string>(Arg.Is("client-id"))
.Returns((string)null);
AzureBearerTokenOptions options = CreateOptions();
IAzureBearerTokenProxy proxy = CreateTokenProxy();
proxy
.FetchToken(Arg.Any <AzureBearerTokenOptions>())
.Returns((AzureBearerToken)null);
AzureBearerTokenProvider tokenProvider = CreateTokenProvider(proxy, cacheProvider, options);
//Act
Func <Task> test = async() => await tokenProvider.GetToken();
//Assert
test
.Should()
.ThrowExactly <Exception>()
.Which
.Message
.Should()
.Be("Failed to refersh access token for url: http://test-token-url/");
}
public async Task <string> GetToken()
{
string accessToken = await _cacheProvider.GetAsync <string>(_azureBearerTokenOptions.ClientId);
if (!string.IsNullOrWhiteSpace(accessToken))
{
return(accessToken);
}
AzureBearerToken token = await _azureBearerTokenProxy.FetchToken(_azureBearerTokenOptions);
if (token == null)
{
throw new Exception($"Failed to refersh access token for url: {_azureBearerTokenOptions.Url}");
}
double cacheExpiryLength = (0.9 * token.ExpiryLength);
await _cacheProvider.SetAsync <string>(_azureBearerTokenOptions.ClientId, token.AccessToken, TimeSpan.FromSeconds(cacheExpiryLength), false, null);
return(token.AccessToken);
}
public async Task GetToken_WhenTokenIsNotInCacheButReturnsFromProxy_SetsInCacheReturnsToken()
{
//Arrange
AzureBearerToken azureBearerToken = new AzureBearerToken
{
AccessToken = "this-is-a-token",
ExpiryLength = 3600
};
ICacheProvider cacheProvider = CreateCacheProvider();
cacheProvider
.GetAsync <string>(Arg.Is("client-id"))
.Returns((string)null);
AzureBearerTokenOptions options = CreateOptions();
IAzureBearerTokenProxy proxy = CreateTokenProxy();
proxy
.FetchToken(Arg.Any <AzureBearerTokenOptions>())
.Returns(azureBearerToken);
AzureBearerTokenProvider tokenProvider = CreateTokenProvider(proxy, cacheProvider, options);
//Act
string token = await tokenProvider.GetToken();
//Assert
token
.Should()
.BeEquivalentTo(azureBearerToken.AccessToken);
await
cacheProvider
.Received(1)
.SetAsync <string>(Arg.Is("client-id"), Arg.Is("this-is-a-token"), Arg.Is(TimeSpan.FromSeconds(3240)), Arg.Is(false), null);
}
