getcategory_test.go

package rest

import (
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"strconv"
	"strings"
	"testing"

	db "petstore/internal/petstore/repo/postgres"

	"github.com/labstack/echo/v4"
	"github.com/stretchr/testify/assert"
)


func TestGetCategory(t *testing.T) {
  // Setup for API testing
	e := echo.New()
	response := db.Category{}
	request := httptest.NewRequest(http.MethodGet, "/category", nil)
	recorder := httptest.NewRecorder()
	ctx := e.NewContext(request, recorder)
	ctx.SetPath("/category/:id")
	ctx.SetParamNames("id")
	ctx.SetParamValues("1")

	// Assertions
	if assert.NoError(t, GetCategory(ctx)) {
    // check if status code = 200
		assert.Equal(t, http.StatusOK, recorder.Code)
    // check if the response body in not null
		json.Unmarshal(recorder.Body.Bytes(), &response)
		assert.NotNil(t, recorder.Body.String())
    // check if the id send as a param and id obtained in response are same
		assert.Equal(t, strconv.Itoa(response.ID), ctx.Param("id"))
		assert.NotNil(t, response.CategoryName)
	}
}