feat: move entity and usecase to root folder

2020-10-12 07:35:29 -03:00
parent 2c0f46aff1
commit 3e4eb2e616
33 changed files with 109 additions and 138 deletions
@@ -0,0 +1,129 @@
+package loan
+
+import (
+	"testing"
+
+	"github.com/eminetto/clean-architecture-go-v2/entity"
+
+	bmock "github.com/eminetto/clean-architecture-go-v2/usecase/book/mock"
+	umock "github.com/eminetto/clean-architecture-go-v2/usecase/user/mock"
+	"github.com/golang/mock/gomock"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_Borrow(t *testing.T) {
+	controller := gomock.NewController(t)
+	defer controller.Finish()
+	uMock := umock.NewMockUseCase(controller)
+	bMock := bmock.NewMockUseCase(controller)
+	uc := NewService(uMock, bMock)
+	t.Run("user not found", func(t *testing.T) {
+		u := &entity.User{
+			ID: entity.NewID(),
+		}
+		b := &entity.Book{
+			ID: entity.NewID(),
+		}
+		uMock.EXPECT().GetUser(u.ID).Return(nil, entity.ErrNotFound)
+		err := uc.Borrow(u, b)
+		assert.Equal(t, entity.ErrNotFound, err)
+	})
+	t.Run("book not found", func(t *testing.T) {
+		u := &entity.User{
+			ID: entity.NewID(),
+		}
+		b := &entity.Book{
+			ID: entity.NewID(),
+		}
+		uMock.EXPECT().GetUser(u.ID).Return(u, nil)
+		bMock.EXPECT().GetBook(b.ID).Return(nil, entity.ErrNotFound)
+		err := uc.Borrow(u, b)
+		assert.Equal(t, entity.ErrNotFound, err)
+	})
+	t.Run("not enough books to borrow", func(t *testing.T) {
+		u := &entity.User{
+			ID: entity.NewID(),
+		}
+		b := &entity.Book{
+			ID: entity.NewID(),
+		}
+		b.Quantity = 0
+		uMock.EXPECT().GetUser(u.ID).Return(u, nil)
+		bMock.EXPECT().GetBook(b.ID).Return(b, nil)
+		err := uc.Borrow(u, b)
+		assert.Equal(t, entity.ErrNotEnoughBooks, err)
+	})
+	t.Run("book already borrowed", func(t *testing.T) {
+		u := &entity.User{
+			ID: entity.NewID(),
+		}
+		b := &entity.Book{
+			ID: entity.NewID(),
+		}
+		u.AddBook(b.ID)
+		b.Quantity = 1
+		uMock.EXPECT().GetUser(u.ID).Return(u, nil)
+		bMock.EXPECT().GetBook(b.ID).Return(b, nil)
+		err := uc.Borrow(u, b)
+		assert.Equal(t, entity.ErrBookAlreadyBorrowed, err)
+	})
+	t.Run("sucess", func(t *testing.T) {
+		u := &entity.User{
+			ID: entity.NewID(),
+		}
+		b := &entity.Book{
+			ID:       entity.NewID(),
+			Quantity: 10,
+		}
+		uMock.EXPECT().GetUser(u.ID).Return(u, nil)
+		bMock.EXPECT().GetBook(b.ID).Return(b, nil)
+		uMock.EXPECT().UpdateUser(u).Return(nil)
+		bMock.EXPECT().UpdateBook(b).Return(nil)
+		err := uc.Borrow(u, b)
+		assert.Nil(t, err)
+	})
+}
+
+func Test_Return(t *testing.T) {
+	controller := gomock.NewController(t)
+	defer controller.Finish()
+	uMock := umock.NewMockUseCase(controller)
+	bMock := bmock.NewMockUseCase(controller)
+	uc := NewService(uMock, bMock)
+	t.Run("book not found", func(t *testing.T) {
+		b := &entity.Book{
+			ID: entity.NewID(),
+		}
+		bMock.EXPECT().GetBook(b.ID).Return(nil, entity.ErrNotFound)
+		err := uc.Return(b)
+		assert.Equal(t, entity.ErrNotFound, err)
+	})
+	t.Run("book not borrowed", func(t *testing.T) {
+		u := &entity.User{
+			ID: entity.NewID(),
+		}
+		b := &entity.Book{
+			ID: entity.NewID(),
+		}
+		bMock.EXPECT().GetBook(b.ID).Return(b, nil)
+		uMock.EXPECT().ListUsers().Return([]*entity.User{u}, nil)
+		err := uc.Return(b)
+		assert.Equal(t, entity.ErrBookNotBorrowed, err)
+	})
+	t.Run("success", func(t *testing.T) {
+		u := &entity.User{
+			ID: entity.NewID(),
+		}
+		b := &entity.Book{
+			ID: entity.NewID(),
+		}
+		u.AddBook(b.ID)
+		bMock.EXPECT().GetBook(b.ID).Return(b, nil)
+		uMock.EXPECT().GetUser(u.ID).Return(u, nil)
+		uMock.EXPECT().ListUsers().Return([]*entity.User{u}, nil)
+		uMock.EXPECT().UpdateUser(u).Return(nil)
+		bMock.EXPECT().UpdateBook(b).Return(nil)
+		err := uc.Return(b)
+		assert.Nil(t, err)
+	})
+}