From ae615df8c81ddf7b41f161516ebf9ca91c0e7d26 Mon Sep 17 00:00:00 2001
From: Maxim Lebedev <git@toby3d.me>
Date: Thu, 28 Jul 2022 23:30:51 +0500
Subject: [PATCH] :test_tube: Added failing test

---
 internal/client/usecase/client_ucase_test.go | 50 ++++++++++++++++----
 1 file changed, 41 insertions(+), 9 deletions(-)

diff --git a/internal/client/usecase/client_ucase_test.go b/internal/client/usecase/client_ucase_test.go
index 386fffb..4684c08 100644
--- a/internal/client/usecase/client_ucase_test.go
+++ b/internal/client/usecase/client_ucase_test.go
@@ -2,11 +2,13 @@ package usecase_test
 
 import (
 	"context"
+	"errors"
 	"path"
 	"reflect"
 	"sync"
 	"testing"
 
+	"source.toby3d.me/toby3d/auth/internal/client"
 	repository "source.toby3d.me/toby3d/auth/internal/client/repository/memory"
 	"source.toby3d.me/toby3d/auth/internal/client/usecase"
 	"source.toby3d.me/toby3d/auth/internal/domain"
@@ -15,18 +17,48 @@ import (
 func TestDiscovery(t *testing.T) {
 	t.Parallel()
 
-	client := domain.TestClient(t)
-
 	store := new(sync.Map)
-	store.Store(path.Join(repository.DefaultPathPrefix, client.ID.String()), client)
+	testClient, localhostClient := domain.TestClient(t), domain.TestClient(t)
+	localhostClient.ID, _ = domain.ParseClientID("http://localhost.toby3d.me/")
 
-	result, err := usecase.NewClientUseCase(repository.NewMemoryClientRepository(store)).
-		Discovery(context.Background(), client.ID)
-	if err != nil {
-		t.Fatal(err)
+	for _, client := range []*domain.Client{testClient, localhostClient} {
+		store.Store(path.Join(repository.DefaultPathPrefix, client.ID.String()), client)
 	}
 
-	if !reflect.DeepEqual(result, client) {
-		t.Errorf("Discovery(%s) = %+v, want %+v", client.ID, result, client)
+	for _, tc := range []struct {
+		name     string
+		in       *domain.Client
+		out      *domain.Client
+		expError error
+	}{{
+		name: "default",
+		in:   testClient,
+		out:  testClient,
+	}, {
+		name:     "localhost",
+		in:       localhostClient,
+		expError: client.ErrNotExist,
+	}} {
+		tc := tc
+
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			result, err := usecase.NewClientUseCase(repository.NewMemoryClientRepository(store)).
+				Discovery(context.Background(), tc.in.ID)
+			if tc.expError != nil && !errors.Is(err, tc.expError) {
+				t.Errorf("Discovery(%s) = %+v, want %+v", tc.in.ID, err, tc.expError)
+
+				return
+			}
+
+			if tc.expError == nil && err != nil {
+				t.Fatal(err)
+			}
+
+			if !reflect.DeepEqual(result, tc.out) {
+				t.Errorf("Discovery(%s) = %+v, want %+v", tc.in.ID, result, tc.out)
+			}
+		})
 	}
 }