I am implementing Named Credentials to replace how we do callout for a certain endpoint.

One of my current test methods looks something like this:

private static void test_method1() {
    MultiStaticResourceCalloutMock multimock = new MultiStaticResourceCalloutMock();
    multimock.setStaticResource('https://api.fakeapi.com/users?login=nomnomnom&api_version=', 'StaticResourceName');
    multimock.setStaticResource('https://api.fakeapi.com/bakedgoods?api_version=', 'AnotherStaticResourceName'');
    multimock.setHeader('Content-Type', 'application/json');

    Test.setMock(HttpCalloutMock.class, multimock);

    APIClient client = new APIClient();
    APIClient.APIMethod method1 = client.getSomeInfo('');

    APIClient.APIMethod method2 = client.getSomeOtherInfo('nomnomnom');



Now if I use the old way of populating a URL in my request header like so:

req.setEndpoint('https://api.fakeapi.com/bakedgoods' + bakedgoodId);

Everything works smoothly. As soon as I update the request endpoint in the Client apex class to take a named credential URL like so:

req.setEndpoint('callout:NamedCredentialURL/' + bakedgoodId);

The test class throws a "Static Resource not found: " error.

I have tried many things with fruitless results, I have attempted using the named credential URL in the MultiMock assignment in the test class itself. I have scoured the documentation and nothing has come up to solve this(both from Salesforce and from SE). I would like to avoid using !isRunningTest notation in my client as that seems to be more of duct tape than an actual solution.

I have trimmed the code to have the relevant parts, so something might seem amiss, but I'm open to ideas!

  • Seems like this has been an issue for a while. – Jayant Das Oct 31 '18 at 19:27
  • Instead of directly using req.setEndpoint('callout:Named..'), can you try as String endpoint = 'callout:Named..'; req.setEndpoint(endpoint) and see if it works? – Jayant Das Oct 31 '18 at 19:39

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