new exporter version
This commit is contained in:
a.pivkin
@@ -0,0 +1,159 @@
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package main
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import (
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"encoding/json"
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"net/http"
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"github.com/gorilla/mux"
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"github.com/gosimple/slug"
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"github.com/xNok/go-rest-demo/pkg/recipes"
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)
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func main() {
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// create the Store and Recipe Handler
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store := recipes.NewMemStore()
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recipesHandler := NewRecipesHandler(store)
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home := homeHandler{}
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router := mux.NewRouter()
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router.HandleFunc("/", home.ServeHTTP)
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router.HandleFunc("/recipes", recipesHandler.ListRecipes).Methods("GET")
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router.HandleFunc("/recipes", recipesHandler.CreateRecipe).Methods("POST")
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router.HandleFunc("/recipes/{id}", recipesHandler.GetRecipe).Methods("GET")
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router.HandleFunc("/recipes/{id}", recipesHandler.UpdateRecipe).Methods("PUT")
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router.HandleFunc("/recipes/{id}", recipesHandler.DeleteRecipe).Methods("DELETE")
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http.ListenAndServe(":8010", router)
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}
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func InternalServerErrorHandler(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte("500 Internal Server Error"))
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}
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func NotFoundHandler(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("404 Not Found"))
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}
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type RecipesHandler struct {
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store recipeStore
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}
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func NewRecipesHandler(s recipeStore) *RecipesHandler {
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return &RecipesHandler{
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store: s,
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}
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}
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type recipeStore interface {
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Add(name string, recipe recipes.Recipe) error
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Get(name string) (recipes.Recipe, error)
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List() (map[string]recipes.Recipe, error)
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Update(name string, recipe recipes.Recipe) error
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Remove(name string) error
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}
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func (h *RecipesHandler) CreateRecipe(w http.ResponseWriter, r *http.Request) {
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// Recipe object that will be populated from json payload
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var recipe recipes.Recipe
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if err := json.NewDecoder(r.Body).Decode(&recipe); err != nil {
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InternalServerErrorHandler(w, r)
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return
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}
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resourceID := slug.Make(recipe.Name)
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if err := h.store.Add(resourceID, recipe); err != nil {
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InternalServerErrorHandler(w, r)
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return
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}
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w.WriteHeader(http.StatusOK)
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}
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func (h *RecipesHandler) ListRecipes(w http.ResponseWriter, r *http.Request) {
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recipes, err := h.store.List()
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jsonBytes, err := json.Marshal(recipes)
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if err != nil {
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InternalServerErrorHandler(w, r)
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write(jsonBytes)
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}
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func (h *RecipesHandler) GetRecipe(w http.ResponseWriter, r *http.Request) {
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id := mux.Vars(r)["id"]
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recipe, err := h.store.Get(id)
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if err != nil {
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if err == recipes.NotFoundErr {
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NotFoundHandler(w, r)
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return
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}
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InternalServerErrorHandler(w, r)
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return
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}
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jsonBytes, err := json.Marshal(recipe)
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if err != nil {
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InternalServerErrorHandler(w, r)
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write(jsonBytes)
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}
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func (h *RecipesHandler) UpdateRecipe(w http.ResponseWriter, r *http.Request) {
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id := mux.Vars(r)["id"]
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// Recipe object that will be populated from json payload
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var recipe recipes.Recipe
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if err := json.NewDecoder(r.Body).Decode(&recipe); err != nil {
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InternalServerErrorHandler(w, r)
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return
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}
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if err := h.store.Update(id, recipe); err != nil {
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if err == recipes.NotFoundErr {
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NotFoundHandler(w, r)
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return
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}
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InternalServerErrorHandler(w, r)
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return
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}
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jsonBytes, err := json.Marshal(recipe)
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if err != nil {
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InternalServerErrorHandler(w, r)
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write(jsonBytes)
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}
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func (h *RecipesHandler) DeleteRecipe(w http.ResponseWriter, r *http.Request) {
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id := mux.Vars(r)["id"]
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if err := h.store.Remove(id); err != nil {
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InternalServerErrorHandler(w, r)
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return
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}
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w.WriteHeader(http.StatusOK)
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}
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type homeHandler struct{}
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func (h *homeHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("This is my home page"))
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}
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@@ -0,0 +1,96 @@
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###
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POST http://localhost:8010/recipes
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Content-Type: application/json
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{
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"name": "Ham and cheese toasties",
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"ingredients": [
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{
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"name": "bread"
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},{
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"name": "ham"
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},{
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"name": "cheese"
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}
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]
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}
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> {%
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client.test("Request executed successfully", function() {
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client.assert(response.status === 200, "Response status is not 200");
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});
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%}
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###
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GET http://localhost:8010/recipes
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> {%
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client.test("Request executed successfully", function() {
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client.assert(response.status === 200, "Response status is not 200");
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client.assert(response.body === "{\"ham-and-cheese-toasties\":{\"name\":\"Ham and cheese toasties\",\"ingredients\":[{\"name\":\"bread\"},{\"name\":\"ham\"},{\"name\":\"cheese\"}]}}", "Body match expected response")
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});
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%}
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###
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GET http://localhost:8010/recipes/ham-and-cheese-toasties
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> {%
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client.test("Request executed successfully", function() {
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client.assert(response.status === 200, "Response status is not 200");
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client.assert(response.body === "{\"name\":\"Ham and cheese toasties\",\"ingredients\":[{\"name\":\"bread\"},{\"name\":\"ham\"},{\"name\":\"cheese\"}]}", "Body match expected response")
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});
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%}
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###
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PUT http://localhost:8010/recipes/ham-and-cheese-toasties
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Content-Type: application/json
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{
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"name": "Ham and cheese toasties",
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"ingredients": [
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{
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"name": "bread"
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},{
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"name": "ham"
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},{
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"name": "cheese"
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},{
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"name": "butter"
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}
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]
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}
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> {%
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client.test("Request executed successfully", function() {
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client.assert(response.status === 200, "Response status is not 200");
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});
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%}
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###
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GET http://localhost:8010/recipes/ham-and-cheese-toasties
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> {%
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client.test("Request executed successfully", function() {
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client.assert(response.status === 200, "Response status is not 200");
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client.assert(response.body === "{\"name\":\"Ham and cheese toasties\",\"ingredients\":[{\"name\":\"bread\"},{\"name\":\"ham\"},{\"name\":\"cheese\"},{\"name\":\"butter\"}]}", "Body match expected response")
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});
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%}
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###
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DELETE http://localhost:8010/recipes/ham-and-cheese-toasties
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> {%
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client.test("Request executed successfully", function() {
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client.assert(response.status === 200, "Response status is not 200");
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});
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%}
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###
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GET http://localhost:8010/recipes/ham-and-cheese-toasties
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> {%
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client.test("Request executed successfully", function() {
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client.assert(response.status === 404, "Response status is not 404");
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});
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%}
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