From c8e1328164e9ffbd681c3c0e449f1e6b9856b896 Mon Sep 17 00:00:00 2001
From: Gabriel Arakaki Giovanini <mail@gabrielgio.me>
Date: Sun, 26 Feb 2023 19:54:48 +0100
Subject: feat: Inicial commit

It contains rough template for the server and runners.

It contains rough template for the server and runners.
---
 pkg/components/auth/controller_test.go | 190 +++++++++++++++++++++++++++++++++
 1 file changed, 190 insertions(+)
 create mode 100644 pkg/components/auth/controller_test.go

(limited to 'pkg/components/auth/controller_test.go')

diff --git a/pkg/components/auth/controller_test.go b/pkg/components/auth/controller_test.go
new file mode 100644
index 0000000..33aa901
--- /dev/null
+++ b/pkg/components/auth/controller_test.go
@@ -0,0 +1,190 @@
+//go:build unit
+
+package auth
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/samber/lo"
+
+	"git.sr.ht/~gabrielgio/img/pkg/ext"
+	"git.sr.ht/~gabrielgio/img/pkg/testkit"
+)
+
+type (
+	scene struct {
+		ctx            context.Context
+		mockRepository *MockUserRepository
+		controller     Controller
+	}
+
+	mockUser struct {
+		id       uint
+		username string
+		password []byte
+	}
+
+	MockUserRepository struct {
+		index uint
+		users []*mockUser
+		err   error
+	}
+)
+
+var (
+	_   Repository = &MockUserRepository{}
+	key            = []byte("6368616e676520746869732070617373")
+)
+
+func setUp() *scene {
+	mockUserRepository := &MockUserRepository{}
+	return &scene{
+		ctx:            context.Background(),
+		mockRepository: mockUserRepository,
+		controller:     *NewController(mockUserRepository, key),
+	}
+}
+
+func TestRegisterAndLogin(t *testing.T) {
+	testCases := []struct {
+		name     string
+		username string
+		password []byte
+	}{
+		{
+			name:     "Normal register",
+			username: "username",
+			password: []byte("password"),
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			scene := setUp()
+
+			err := scene.controller.Register(scene.ctx, []byte(tc.username), tc.password)
+			testkit.TestFatalError(t, "Register", err)
+
+			userID := scene.mockRepository.GetLastId()
+
+			user, err := scene.mockRepository.Get(scene.ctx, userID)
+			testkit.TestFatalError(t, "Get", err)
+			testkit.TestValue(t, "Register", tc.username, user.Username)
+
+			auth, err := scene.controller.Login(scene.ctx, []byte(tc.username), tc.password)
+			testkit.TestFatalError(t, "Login", err)
+
+			token, err := ext.ReadToken(auth, key)
+			testkit.TestFatalError(t, "Login", err)
+
+			testkit.TestValue(t, "Login", tc.username, token.Username)
+			testkit.TestValue(t, "Login", userID, token.UserID)
+		})
+	}
+}
+
+func toUser(m *mockUser, _ int) *User {
+	return &User{
+		ID:       m.id,
+		Username: m.username,
+	}
+}
+
+func (m *MockUserRepository) GetLastId() uint {
+	return m.index
+}
+
+func (m *MockUserRepository) List(ctx context.Context) ([]*User, error) {
+	if m.err != nil {
+		return nil, m.err
+	}
+
+	return lo.Map(m.users, toUser), nil
+}
+
+func (m *MockUserRepository) Get(ctx context.Context, id uint) (*User, error) {
+	if m.err != nil {
+		return nil, m.err
+	}
+
+	for _, m := range m.users {
+		if m.id == id {
+			return toUser(m, 0), nil
+		}
+	}
+	return nil, errors.New("Item not found")
+}
+
+func (m *MockUserRepository) GetIDByUsername(ctx context.Context, username string) (uint, error) {
+	if m.err != nil {
+		return 0, m.err
+	}
+
+	for _, m := range m.users {
+		if m.username == username {
+			return m.id, nil
+		}
+	}
+	return 0, errors.New("Item not found")
+}
+
+func (m *MockUserRepository) GetPassword(ctx context.Context, id uint) ([]byte, error) {
+	if m.err != nil {
+		return nil, m.err
+	}
+
+	for _, m := range m.users {
+		if m.id == id {
+			return m.password, nil
+		}
+	}
+	return nil, errors.New("Item not found")
+}
+
+func (m *MockUserRepository) Create(ctx context.Context, createUser *CreateUser) (uint, error) {
+	if m.err != nil {
+		return 0, m.err
+	}
+
+	m.index++
+
+	m.users = append(m.users, &mockUser{
+		id:       m.index,
+		username: createUser.Username,
+		password: createUser.Password,
+	})
+
+	return m.index, nil
+}
+
+func (m *MockUserRepository) Update(ctx context.Context, id uint, update *UpdateUser) error {
+	if m.err != nil {
+		return m.err
+	}
+
+	for _, m := range m.users {
+		if m.id == id {
+			m.username = update.Username
+		}
+	}
+	return nil
+}
+
+func remove[T any](slice []T, s int) []T {
+	return append(slice[:s], slice[s+1:]...)
+}
+
+func (r *MockUserRepository) Delete(ctx context.Context, id uint) error {
+	if r.err != nil {
+		return r.err
+	}
+
+	for i, m := range r.users {
+		if m.id == id {
+			r.users = remove(r.users, i)
+		}
+	}
+	return nil
+}
-- 
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