APIClient takes a mock.API and returns an app.ClientFactory that uses that mock, ignoring the token and endpoint.

HTMLClient returns a mock HTTP Client that returns a stubbed response or error.

NewHTTPResponse fills in the boilerplate needed to create a minimal *http.Response.

NewNonExistentConfigFile is a test helper function which constructs a new non-existent config file interface.

API is a mock implementation of api.Interface that's used for testing.

AssetVersioner mocks the github.AssetVersioner interface.

ConfigFile is a mock implementation of the toml.ReadWriter interface that's used for testing.

HTTPClient is used to mock fastly.Client requests.