Files
clean-architecture-go-v2/domain/usecase/loan/usecase_test.go
T
2020-06-30 13:37:51 -03:00

102 lines
3.2 KiB
Go

package loan
import (
"testing"
"github.com/eminetto/clean-architecture-go-v2/domain/entity"
"github.com/eminetto/clean-architecture-go-v2/domain"
"github.com/eminetto/clean-architecture-go-v2/domain/entity/book"
bmock "github.com/eminetto/clean-architecture-go-v2/domain/entity/book/mock"
"github.com/eminetto/clean-architecture-go-v2/domain/entity/user"
umock "github.com/eminetto/clean-architecture-go-v2/domain/entity/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.NewMockManager(controller)
bMock := bmock.NewMockManager(controller)
uc := NewUseCase(uMock, bMock)
t.Run("user not found", func(t *testing.T) {
u := user.NewFixtureUser()
b := book.NewFixtureBook()
uMock.EXPECT().Get(u.ID).Return(nil, domain.ErrNotFound)
err := uc.Borrow(u, b)
assert.Equal(t, domain.ErrNotFound, err)
})
t.Run("book not found", func(t *testing.T) {
u := user.NewFixtureUser()
b := book.NewFixtureBook()
uMock.EXPECT().Get(u.ID).Return(u, nil)
bMock.EXPECT().Get(b.ID).Return(nil, domain.ErrNotFound)
err := uc.Borrow(u, b)
assert.Equal(t, domain.ErrNotFound, err)
})
t.Run("not enough books to borrow", func(t *testing.T) {
u := user.NewFixtureUser()
b := book.NewFixtureBook()
b.Quantity = 0
uMock.EXPECT().Get(u.ID).Return(u, nil)
bMock.EXPECT().Get(b.ID).Return(b, nil)
err := uc.Borrow(u, b)
assert.Equal(t, domain.ErrNotEnoughBooks, err)
})
t.Run("book already borrowed", func(t *testing.T) {
u := user.NewFixtureUser()
b := book.NewFixtureBook()
u.Books = []entity.ID{b.ID}
b.Quantity = 1
uMock.EXPECT().Get(u.ID).Return(u, nil)
bMock.EXPECT().Get(b.ID).Return(b, nil)
err := uc.Borrow(u, b)
assert.Equal(t, domain.ErrBookAlreadyBorrowed, err)
})
t.Run("sucess", func(t *testing.T) {
u := user.NewFixtureUser()
b := book.NewFixtureBook()
uMock.EXPECT().Get(u.ID).Return(u, nil)
bMock.EXPECT().Get(b.ID).Return(b, nil)
uMock.EXPECT().Update(u).Return(nil)
bMock.EXPECT().Update(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.NewMockManager(controller)
bMock := bmock.NewMockManager(controller)
uc := NewUseCase(uMock, bMock)
t.Run("book not found", func(t *testing.T) {
b := book.NewFixtureBook()
bMock.EXPECT().Get(b.ID).Return(nil, domain.ErrNotFound)
err := uc.Return(b)
assert.Equal(t, domain.ErrNotFound, err)
})
t.Run("book not borrowed", func(t *testing.T) {
u := user.NewFixtureUser()
b := book.NewFixtureBook()
bMock.EXPECT().Get(b.ID).Return(b, nil)
uMock.EXPECT().List().Return([]*user.User{u}, nil)
err := uc.Return(b)
assert.Equal(t, domain.ErrBookNotBorrowed, err)
})
t.Run("success", func(t *testing.T) {
u := user.NewFixtureUser()
b := book.NewFixtureBook()
u.Books = []entity.ID{b.ID}
bMock.EXPECT().Get(b.ID).Return(b, nil)
uMock.EXPECT().Get(u.ID).Return(u, nil)
uMock.EXPECT().List().Return([]*user.User{u}, nil)
uMock.EXPECT().Update(u).Return(nil)
bMock.EXPECT().Update(b).Return(nil)
err := uc.Return(b)
assert.Nil(t, err)
})
}