func TestProviderListProvider(t *testing.T) {

	prov1 := new(test.TestProvider)
	prov2 := new(test.TestProvider)

	prov1.On("Name").Return("prov1")
	prov2.On("Name").Return("prov2")

	// build a list
	list := WithProviders(prov1, prov2)

	returnedProv, err := list.Provider("prov1")

	if assert.NoError(t, err) {
		assert.Equal(t, returnedProv, prov1)
	}

	// check nonsense name
	returnedProv, err = list.Provider("no such provider")

	if assert.Nil(t, returnedProv) {
		assert.IsType(t, &common.MissingProviderError{}, err, "MissingProviderError expected")
	}

	mock.AssertExpectationsForObjects(t, prov1.Mock, prov2.Mock)

}
func TestOAuth2Provider_Non200Response(t *testing.T) {

	config := &common.Config{
		Map: objx.MSI(
			OAuth2KeyRedirectUrl, OAuth2KeyRedirectUrl,
			OAuth2KeyScope, OAuth2KeyScope,
			OAuth2KeyClientID, OAuth2KeyClientID,
			OAuth2KeySecret, OAuth2KeySecret,
			OAuth2KeyAuthURL, OAuth2KeyAuthURL,
			OAuth2KeyTokenURL, OAuth2KeyTokenURL)}

	testTripperFactory := new(test.TestTripperFactory)
	testTripper := new(test.TestTripper)
	testProvider := new(test.TestProvider)

	testResponse := new(http.Response)
	testResponse.Header = make(http.Header)
	testResponse.Header.Set("Content-Type", "text/plain")
	testResponse.StatusCode = 401
	testResponse.Body = ioutil.NopCloser(strings.NewReader("No mate"))

	testTripperFactory.On("NewTripper", common.EmptyCredentials, mock.Anything).Return(testTripper, nil)
	testTripper.On("RoundTrip", mock.Anything).Return(testResponse, nil)

	data := objx.MSI(OAuth2KeyCode, []string{"123"})
	_, err := CompleteAuth(testTripperFactory, data, config, testProvider)

	if assert.Error(t, err) {
		assert.IsType(t, &common.AuthServerError{}, err)
	}

	mock.AssertExpectationsForObjects(t, testTripperFactory.Mock, testTripper.Mock, testProvider.Mock)

}