feat: add loan handler

2020-06-29 09:10:35 -03:00
parent bf36e4cc88
commit 328b4e428c
3 changed files with 188 additions and 11 deletions
@@ -0,0 +1,107 @@
+package handler
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/eminetto/clean-architecture-go-v2/domain/entity/user"
+
+	"github.com/eminetto/clean-architecture-go-v2/domain/entity/book"
+
+	"github.com/eminetto/clean-architecture-go-v2/domain"
+	"github.com/eminetto/clean-architecture-go-v2/domain/entity"
+
+	"github.com/codegangsta/negroni"
+	bmock "github.com/eminetto/clean-architecture-go-v2/domain/entity/book/mock"
+	umock "github.com/eminetto/clean-architecture-go-v2/domain/entity/user/mock"
+	lmock "github.com/eminetto/clean-architecture-go-v2/domain/loan/mock"
+	"github.com/golang/mock/gomock"
+	"github.com/gorilla/mux"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_borrowBook(t *testing.T) {
+	controller := gomock.NewController(t)
+	defer controller.Finish()
+	uMock := umock.NewMockUseCase(controller)
+	bMock := bmock.NewMockUseCase(controller)
+	lMock := lmock.NewMockUseCase(controller)
+	r := mux.NewRouter()
+	n := negroni.New()
+	MakeLoanHandlers(r, *n, bMock, uMock, lMock)
+	path, err := r.GetRoute("borrowBook").GetPathTemplate()
+	assert.Nil(t, err)
+	assert.Equal(t, "/v1/loan/borrow/{book_id}/{user_id}", path)
+	handler := borrowBook(bMock, uMock, lMock)
+	r.Handle("/v1/loan/borrow/{book_id}/{user_id}", handler)
+	t.Run("book not found", func(t *testing.T) {
+		bID := entity.NewID()
+		uID := entity.NewID()
+		bMock.EXPECT().Get(bID).Return(nil, domain.ErrNotFound)
+		ts := httptest.NewServer(r)
+		defer ts.Close()
+		res, err := http.Get(fmt.Sprintf("%s/v1/loan/borrow/%s/%s", ts.URL, bID.String(), uID.String()))
+		assert.Nil(t, err)
+		assert.Equal(t, http.StatusNotFound, res.StatusCode)
+	})
+	t.Run("user not found", func(t *testing.T) {
+		b := book.NewFixtureBook()
+		uID := entity.NewID()
+		bMock.EXPECT().Get(b.ID).Return(b, nil)
+		uMock.EXPECT().Get(uID).Return(nil, domain.ErrNotFound)
+		ts := httptest.NewServer(r)
+		defer ts.Close()
+		res, err := http.Get(fmt.Sprintf("%s/v1/loan/borrow/%s/%s", ts.URL, b.ID.String(), uID.String()))
+		assert.Nil(t, err)
+		assert.Equal(t, http.StatusNotFound, res.StatusCode)
+	})
+	t.Run("success", func(t *testing.T) {
+		b := book.NewFixtureBook()
+		u := user.NewFixtureUser()
+		bMock.EXPECT().Get(b.ID).Return(b, nil)
+		uMock.EXPECT().Get(u.ID).Return(u, nil)
+		lMock.EXPECT().Borrow(u, b).Return(nil)
+		ts := httptest.NewServer(r)
+		defer ts.Close()
+		res, err := http.Get(fmt.Sprintf("%s/v1/loan/borrow/%s/%s", ts.URL, b.ID.String(), u.ID.String()))
+		assert.Nil(t, err)
+		assert.Equal(t, http.StatusCreated, res.StatusCode)
+	})
+}
+
+func Test_returnBook(t *testing.T) {
+	controller := gomock.NewController(t)
+	defer controller.Finish()
+	uMock := umock.NewMockUseCase(controller)
+	bMock := bmock.NewMockUseCase(controller)
+	lMock := lmock.NewMockUseCase(controller)
+	r := mux.NewRouter()
+	n := negroni.New()
+	MakeLoanHandlers(r, *n, bMock, uMock, lMock)
+	path, err := r.GetRoute("returnBook").GetPathTemplate()
+	assert.Nil(t, err)
+	assert.Equal(t, "/v1/loan/return/{book_id}", path)
+	handler := returnBook(bMock, lMock)
+	r.Handle("/v1/loan/return/{book_id}", handler)
+	t.Run("book not found", func(t *testing.T) {
+		bID := entity.NewID()
+		bMock.EXPECT().Get(bID).Return(nil, domain.ErrNotFound)
+		ts := httptest.NewServer(r)
+		defer ts.Close()
+		res, err := http.Get(fmt.Sprintf("%s/v1/loan/return/%s", ts.URL, bID.String()))
+		assert.Nil(t, err)
+		assert.Equal(t, http.StatusNotFound, res.StatusCode)
+	})
+	t.Run("success", func(t *testing.T) {
+		b := book.NewFixtureBook()
+		bMock.EXPECT().Get(b.ID).Return(b, nil)
+		lMock.EXPECT().Return(b).Return(nil)
+		ts := httptest.NewServer(r)
+		defer ts.Close()
+		res, err := http.Get(fmt.Sprintf("%s/v1/loan/return/%s", ts.URL, b.ID.String()))
+		assert.Nil(t, err)
+		assert.Equal(t, http.StatusCreated, res.StatusCode)
+	})
+}