Function TestResolver

resolver/manual/manual_test.go:31–63

(t *testing.T)

)

func TestResolver(t *testing.T) {
	r := manual.NewBuilderWithScheme("whatever")
	r.InitialState(resolver.State{
		Addresses: []resolver.Address{
			{Addr: "address"},
		},
	})

	t.Run("cc_panics", func(t *testing.T) {
		defer func() {
			want := "Manual resolver instance has not yet been built."
			if r := recover(); r != want {
				t.Errorf("expected panic %q, got %q", want, r)
			}
		}()
		r.CC()
	})

	t.Run("happy_path", func(t *testing.T) {
		cc, err := grpc.NewClient("whatever://localhost",
			grpc.WithTransportCredentials(insecure.NewCredentials()),
			grpc.WithResolvers(r))
		if err != nil {
			t.Errorf("grpc.NewClient() failed: %v", err)
		}
		defer cc.Close()
		cc.Connect()
		r.UpdateState(resolver.State{Addresses: []resolver.Address{
			{Addr: "ok"},
		}})
		r.CC().ReportError(errors.New("example"))
	})
}