tests for GetRecipeHandler
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package recipe_test
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"net/http/httptest"
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"recipes/internal/domain/models"
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"recipes/internal/http-server/handlers/recipe"
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"recipes/internal/http-server/handlers/recipe/mocks"
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"recipes/internal/lib/logger/handlers/slogdiscard"
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"recipes/internal/storage"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestGetRecipeHandler(t *testing.T) {
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// cases
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cases := []struct {
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name string // name of test
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inputJsonPattern string // input json
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recipe_id uint // recipe id to get
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recipe models.Recipe // recipe data
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wantRespStatus string // expected status of response
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wantBody string // expected response body
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respError string // expected response error
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storageMockError error // mock error to return
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storageTimes int // count of storage calls
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}{
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{
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name: "Success",
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recipe_id: 1,
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recipe: models.Recipe{
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ID: 1,
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Title: "title",
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Description: "description",
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Image: "img.jpg",
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CookingTime: "1 час",
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ServingsNum: 1,
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Calories: "1 kCal",
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Ingredients: []models.RecipeIngredients{
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{
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Title: "Ингредиенты",
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Ingredients: []string{"Ингредиент 1", "Ингредиент 2"},
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},
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},
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Recipe_steps: []string{
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"Шаг 1",
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"Шаг 2",
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},
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Advices: []string{
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"1. совет",
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"2. совет",
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},
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Categories: []string{
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"Категория 1",
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"Категория 2",
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},
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},
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wantBody: "{\"status\":\"OK\",\"recipe\":{\"id\":1,\"title\":\"title\",\"desc\":\"description\",\"img\":\"img.jpg\",\"ctime\":\"1 час\",\"snum\":1,\"cal\":\"1 kCal\",\"ingredients\":[{\"title\":\"Ингредиенты\",\"ingredients\":[\"Ингредиент 1\",\"Ингредиент 2\"]}],\"recipe_steps\":[\"Шаг 1\",\"Шаг 2\"],\"advices\":[\"1. совет\",\"2. совет\"],\"categories\":[\"Категория 1\",\"Категория 2\"]}}\n",
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storageTimes: 1,
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wantRespStatus: "OK",
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inputJsonPattern: `{"recipe_id": %d}`,
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},
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{
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name: "Broken JSON",
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respError: "failed to decode request",
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inputJsonPattern: `{"recipe_id: %d}`,
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wantRespStatus: "Error",
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wantBody: "{\"status\":\"Error\",\"error\":\"failed to decode request\"}\n",
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storageTimes: 0,
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},
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{
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name: "Recipe not exists",
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respError: "recipe not found",
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inputJsonPattern: `{"recipe_id": %d}`,
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recipe_id: 1,
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wantRespStatus: "Error",
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storageMockError: storage.ErrRecipeNotFound,
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storageTimes: 1,
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wantBody: "{\"status\":\"Error\",\"error\":\"recipe not found\"}\n",
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},
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{
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name: "Storage error",
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respError: "failed to get recipe",
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inputJsonPattern: `{"recipe_id": %d}`,
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recipe_id: 1,
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wantRespStatus: "Error",
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storageMockError: errors.New("SOME ERROR"),
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storageTimes: 1,
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wantBody: "{\"status\":\"Error\",\"error\":\"failed to get recipe\"}\n",
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},
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{
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name: "Miss recipe_id",
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inputJsonPattern: "{}",
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respError: "field RecipeId is a required field",
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wantRespStatus: "Error",
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wantBody: "{\"status\":\"Error\",\"error\":\"field RecipeId is a required field\"}\n",
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storageTimes: 0,
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},
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}
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for _, tc := range cases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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// create storage mock
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recipeProviderMock := mocks.NewRecipeProvider(t)
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if tc.storageTimes > 0 {
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recipeProviderMock.On("GetRecipe", context.Background(), tc.recipe_id).Return(tc.recipe, tc.storageMockError).Times(tc.storageTimes)
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}
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// create handler
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handler := recipe.New(slogdiscard.NewDiscardLogger(), recipeProviderMock)
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//
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input := fmt.Sprintf(tc.inputJsonPattern, 1)
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// http request
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req, err := http.NewRequest(http.MethodGet, "/recipe", bytes.NewReader([]byte(input)))
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require.NoError(t, err)
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// create request
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rr := httptest.NewRecorder()
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handler.ServeHTTP(rr, req)
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// compare expected and actual
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assert.Equal(t, http.StatusOK, rr.Code)
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body := rr.Body.String()
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assert.Equal(t, tc.wantBody, body)
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var resp recipe.Response
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require.NoError(t, json.Unmarshal([]byte(body), &resp))
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assert.Equal(t, tc.respError, resp.Error)
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assert.Equal(t, tc.wantRespStatus, resp.Status)
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assert.Equal(t, tc.recipe, resp.Recipe)
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})
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}
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}
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@ -0,0 +1,40 @@
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package slogdiscard
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/*
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Logger for tests with ignoring input
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*/
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import (
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"context"
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"log/slog"
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)
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func NewDiscardLogger() *slog.Logger {
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return slog.New(NewDiscardHandler())
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}
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type DiscardHandler struct{}
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func NewDiscardHandler() *DiscardHandler {
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return &DiscardHandler{}
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}
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func (h *DiscardHandler) Handle(_ context.Context, _ slog.Record) error {
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// Просто игнорируем запись журнала
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return nil
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}
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func (h *DiscardHandler) WithAttrs(_ []slog.Attr) slog.Handler {
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// Возвращает тот же обработчик, так как нет атрибутов для сохранения
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return h
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}
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func (h *DiscardHandler) WithGroup(_ string) slog.Handler {
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// Возвращает тот же обработчик, так как нет группы для сохранения
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return h
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}
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func (h *DiscardHandler) Enabled(_ context.Context, _ slog.Level) bool {
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// Всегда возвращает false, так как запись журнала игнорируется
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return false
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}
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