client_test.go

  1// SPDX-FileCopyrightText: Amolith <amolith@secluded.site>
  2//
  3// SPDX-License-Identifier: LicenseRef-MutuaL-1.2
  4
  5package cooked
  6
  7import (
  8	"context"
  9	"encoding/json"
 10	"net/http"
 11	"net/http/httptest"
 12	"net/url"
 13	"testing"
 14)
 15
 16func TestReadShoppingListACIDAuthenticationLogin3StoresCookies(t *testing.T) {
 17	var sawSessionCookie bool
 18	client, closeServer := newTestClient(t, shoppingListTestHandler(t, &sawSessionCookie))
 19	defer closeServer()
 20
 21	shoppingList, err := client.ReadShoppingList(context.Background())
 22	if err != nil {
 23		t.Fatalf("ReadShoppingList() error = %v", err)
 24	}
 25
 26	if !sawSessionCookie {
 27		t.Fatal("shopping-list request did not receive session cookie")
 28	}
 29	if len(shoppingList.Aisles) != 1 || shoppingList.Aisles[0].ProductGroups[0].Name != "Pasta" {
 30		t.Fatalf("shopping list = %#v, want one Pasta item", shoppingList)
 31	}
 32}
 33
 34func TestListRecipesACIDRecipesRead1ListsSavedRecipes(t *testing.T) {
 35	client, closeServer := newTestClient(t, listRecipesTestHandler(t))
 36	defer closeServer()
 37
 38	recipes, err := client.ListRecipes(context.Background(), 2, 5)
 39	if err != nil {
 40		t.Fatalf("ListRecipes() error = %v", err)
 41	}
 42
 43	if len(recipes) != 1 {
 44		t.Fatalf("recipes length = %d, want 1", len(recipes))
 45	}
 46	if recipes[0].ID != "recipe-1" || recipes[0].Title != "Pasta" {
 47		t.Fatalf("recipe = %#v, want recipe-1 Pasta", recipes[0])
 48	}
 49}
 50
 51func TestSearchRecipesACIDRecipesRead2SearchesSavedRecipes(t *testing.T) {
 52	client, closeServer := newTestClient(t, searchRecipesTestHandler(t))
 53	defer closeServer()
 54
 55	recipes, err := client.SearchRecipes(context.Background(), "pasta & tomato", 3)
 56	if err != nil {
 57		t.Fatalf("SearchRecipes() error = %v", err)
 58	}
 59
 60	if len(recipes) != 1 {
 61		t.Fatalf("recipes length = %d, want 1", len(recipes))
 62	}
 63	if recipes[0].ID != "recipe-1" || recipes[0].Title != "Pasta" {
 64		t.Fatalf("recipe = %#v, want recipe-1 Pasta", recipes[0])
 65	}
 66}
 67
 68func TestReadRecipeMetadataACIDRecipesRead6ReadsMetadata(t *testing.T) {
 69	client, closeServer := newTestClient(t, recipeMetadataTestHandler(t))
 70	defer closeServer()
 71
 72	metadata, err := client.ReadRecipeMetadata(context.Background(), "recipe/with space")
 73	if err != nil {
 74		t.Fatalf("ReadRecipeMetadata() error = %v", err)
 75	}
 76
 77	if metadata.Title != "Pasta with Tomato Sauce" {
 78		t.Fatalf("metadata title = %q, want Pasta with Tomato Sauce", metadata.Title)
 79	}
 80	if len(metadata.ImageURLs) != 1 || metadata.ImageURLs[0] != "https://example.invalid/pasta.jpg" {
 81		t.Fatalf("metadata image URLs = %#v, want one pasta image", metadata.ImageURLs)
 82	}
 83	if metadata.Owner != "returned-user" || !metadata.EditPermission {
 84		t.Fatalf("metadata owner/edit = %q/%v, want returned-user/true", metadata.Owner, metadata.EditPermission)
 85	}
 86}
 87
 88func TestReadRecipeContentACIDRecipesRead7And8ReadsContentAndPortions(t *testing.T) {
 89	client, closeServer := newTestClient(t, recipeContentTestHandler(t))
 90	defer closeServer()
 91
 92	content, err := client.ReadRecipeContent(context.Background(), "recipe/with space")
 93	if err != nil {
 94		t.Fatalf("ReadRecipeContent() error = %v", err)
 95	}
 96
 97	if content.Content != "# Pasta\n\n- 200g pasta\n\n1. Boil pasta." {
 98		t.Fatalf("content = %q, want recipe markdown", content.Content)
 99	}
100	if content.Portions != 2 {
101		t.Fatalf("portions = %d, want 2", content.Portions)
102	}
103}
104
105func TestPreviewRecipeTextACIDRecipesPreviewText1To4PreviewsWithoutSaving(t *testing.T) {
106	var previewCalls int
107	client, closeServer := newTestClient(t, previewRecipeTextTestHandler(t, &previewCalls))
108	defer closeServer()
109
110	preview, err := client.PreviewRecipeText(context.Background(), "Pasta", "Boil pasta.")
111	if err != nil {
112		t.Fatalf("PreviewRecipeText() error = %v", err)
113	}
114
115	if previewCalls != 1 {
116		t.Fatalf("preview calls = %d, want 1", previewCalls)
117	}
118	if preview.Title != "Pasta with Tomato Sauce" {
119		t.Fatalf("preview title = %q, want Pasta with Tomato Sauce", preview.Title)
120	}
121	if preview.Markdown != "# Pasta\n\n1. Boil pasta." {
122		t.Fatalf("preview markdown = %q, want recipe markdown", preview.Markdown)
123	}
124	if preview.Portions != 2 {
125		t.Fatalf("preview portions = %d, want 2", preview.Portions)
126	}
127}
128
129func TestSavePreparedRecipeACIDRecipesSave2And9And13SavesMarkdownAsDescription(t *testing.T) {
130	var saveCalls int
131	client, closeServer := newTestClient(t, savePreparedRecipeTestHandler(t, &saveCalls))
132	defer closeServer()
133
134	recipeID, err := client.SavePreparedRecipe(context.Background(), "Pasta", "# Pasta\n\n1. Boil pasta.", 2)
135	if err != nil {
136		t.Fatalf("SavePreparedRecipe() error = %v", err)
137	}
138
139	if saveCalls != 1 {
140		t.Fatalf("save calls = %d, want 1", saveCalls)
141	}
142	if recipeID != "recipe-1" {
143		t.Fatalf("recipe ID = %q, want recipe-1", recipeID)
144	}
145}
146
147func TestUpdateRecipeContentACIDRecipesSave8And9And13UpdatesExistingRecipe(t *testing.T) {
148	var updateCalls int
149	client, closeServer := newTestClient(t, updateRecipeContentTestHandler(t, &updateCalls))
150	defer closeServer()
151
152	err := client.UpdateRecipeContent(context.Background(), "recipe/with space", "# Pasta\n\n1. Boil pasta.", 4)
153	if err != nil {
154		t.Fatalf("UpdateRecipeContent() error = %v", err)
155	}
156
157	if updateCalls != 1 {
158		t.Fatalf("update calls = %d, want 1", updateCalls)
159	}
160}
161
162func TestDeleteRecipeDeletesSavedRecipe(t *testing.T) {
163	var deleteCalls int
164	client, closeServer := newTestClient(t, deleteRecipeTestHandler(t, &deleteCalls))
165	defer closeServer()
166
167	err := client.DeleteRecipe(context.Background(), "recipe/with space")
168	if err != nil {
169		t.Fatalf("DeleteRecipe() error = %v", err)
170	}
171
172	if deleteCalls != 1 {
173		t.Fatalf("delete calls = %d, want 1", deleteCalls)
174	}
175}
176
177func TestClearShoppingListACIDShoppingListClear1ClearsAllItems(t *testing.T) {
178	var clearCalls int
179	client, closeServer := newTestClient(t, clearShoppingListTestHandler(t, &clearCalls))
180	defer closeServer()
181
182	err := client.ClearShoppingList(context.Background())
183	if err != nil {
184		t.Fatalf("ClearShoppingList() error = %v", err)
185	}
186
187	if clearCalls != 1 {
188		t.Fatalf("clear calls = %d, want 1", clearCalls)
189	}
190}
191
192func TestAddShoppingListIngredientsACIDShoppingListAdd1To4AddsIngredients(t *testing.T) {
193	var addCalls int
194	client, closeServer := newTestClient(t, addShoppingListIngredientsTestHandler(t, &addCalls))
195	defer closeServer()
196
197	result, err := client.AddShoppingListIngredients(
198		context.Background(),
199		"200g pasta\n1 cup tomato sauce",
200		"recipe-1",
201	)
202	if err != nil {
203		t.Fatalf("AddShoppingListIngredients() error = %v", err)
204	}
205
206	if addCalls != 1 {
207		t.Fatalf("add calls = %d, want 1", addCalls)
208	}
209	if result.AddedCount != 2 {
210		t.Fatalf("added count = %d, want 2", result.AddedCount)
211	}
212	if len(result.Ingredients) != 2 || result.Ingredients[0] != "200g pasta" {
213		t.Fatalf("added ingredients = %#v, want two added ingredients", result.Ingredients)
214	}
215}
216
217func TestRemoveShoppingListProductGroupsACIDShoppingListRemove1RemovesProductGroups(t *testing.T) {
218	var removeCalls int
219	client, closeServer := newTestClient(t, removeShoppingListProductGroupsTestHandler(t, &removeCalls))
220	defer closeServer()
221
222	err := client.RemoveShoppingListProductGroups(context.Background(), []string{"pasta", "tomato"})
223	if err != nil {
224		t.Fatalf("RemoveShoppingListProductGroups() error = %v", err)
225	}
226
227	if removeCalls != 1 {
228		t.Fatalf("remove calls = %d, want 1", removeCalls)
229	}
230}
231
232func TestReplaceShoppingListSelectionACIDShoppingListSelection1And8ReplacesSelectedSet(t *testing.T) {
233	var replaceCalls int
234	client, closeServer := newTestClient(t, replaceShoppingListSelectionTestHandler(t, &replaceCalls))
235	defer closeServer()
236
237	err := client.ReplaceShoppingListSelection(context.Background(), []string{"pasta", "tomato"})
238	if err != nil {
239		t.Fatalf("ReplaceShoppingListSelection() error = %v", err)
240	}
241
242	if replaceCalls != 1 {
243		t.Fatalf("replace calls = %d, want 1", replaceCalls)
244	}
245}
246
247func TestUserPathEscapesAuthenticatedUsername(t *testing.T) {
248	client := &Client{authenticatedUsername: "user/name"}
249
250	got := client.userPath("/api/user/{username}/shopping-list")
251	if got != "/api/user/user%2Fname/shopping-list" {
252		t.Fatalf("userPath() = %q, want escaped username", got)
253	}
254}
255
256func TestNewRequestPreservesEscapedUserPathWithQuery(t *testing.T) {
257	baseURL, err := url.Parse("https://example.invalid")
258	if err != nil {
259		t.Fatalf("parse base URL: %v", err)
260	}
261	client := &Client{baseURL: baseURL}
262
263	request, err := client.newRequest(
264		context.Background(),
265		http.MethodGet,
266		"/api/user/user%2Fname/recipes?page=2&page-count=5",
267		nil,
268	)
269	if err != nil {
270		t.Fatalf("newRequest() error = %v", err)
271	}
272
273	if request.URL.String() != "https://example.invalid/api/user/user%2Fname/recipes?page=2&page-count=5" {
274		t.Fatalf("request URL = %q, want escaped username preserved", request.URL.String())
275	}
276}
277
278func newTestClient(t *testing.T, handler http.HandlerFunc) (*Client, func()) {
279	t.Helper()
280
281	server := httptest.NewServer(handler)
282	baseURL, err := url.Parse(server.URL)
283	if err != nil {
284		server.Close()
285		t.Fatalf("parse server URL: %v", err)
286	}
287	client, err := NewClient(baseURL, "configured-user", "configured-password")
288	if err != nil {
289		server.Close()
290		t.Fatalf("NewClient() error = %v", err)
291	}
292
293	return client, server.Close
294}
295
296func shoppingListTestHandler(t *testing.T, sawSessionCookie *bool) http.HandlerFunc {
297	t.Helper()
298
299	return func(w http.ResponseWriter, r *http.Request) {
300		switch r.URL.Path {
301		case "/api/public/login":
302			requireLoginRequest(t, r)
303			writeLoginResponse(t, w)
304		case "/api/user/returned-user/shopping-list":
305			requireSessionCookie(t, r)
306			*sawSessionCookie = true
307			writeShoppingListResponse(t, w)
308		default:
309			t.Fatalf("unexpected path %s", r.URL.Path)
310		}
311	}
312}
313
314func listRecipesTestHandler(t *testing.T) http.HandlerFunc {
315	t.Helper()
316
317	return func(w http.ResponseWriter, r *http.Request) {
318		switch r.URL.Path {
319		case "/api/public/login":
320			writeLoginResponse(t, w)
321		case "/api/user/returned-user/recipes":
322			requireQueryValue(t, r, "page", "2")
323			requireQueryValue(t, r, "page-count", "5")
324			writeRecipeListResponse(t, w)
325		default:
326			t.Fatalf("unexpected path %s", r.URL.Path)
327		}
328	}
329}
330
331func searchRecipesTestHandler(t *testing.T) http.HandlerFunc {
332	t.Helper()
333
334	return func(w http.ResponseWriter, r *http.Request) {
335		switch r.URL.Path {
336		case "/api/public/login":
337			writeLoginResponse(t, w)
338		case "/api/user/returned-user/recipes/search":
339			requireMethod(t, r, http.MethodGet, "search")
340			requireQueryValue(t, r, "q", "pasta & tomato")
341			requireQueryValue(t, r, "page", "3")
342			writeRecipeListResponse(t, w)
343		default:
344			t.Fatalf("unexpected path %s", r.URL.Path)
345		}
346	}
347}
348
349func recipeMetadataTestHandler(t *testing.T) http.HandlerFunc {
350	t.Helper()
351
352	return func(w http.ResponseWriter, r *http.Request) {
353		switch r.URL.EscapedPath() {
354		case "/api/public/login":
355			writeLoginResponse(t, w)
356		case "/api/recipe/recipe%2Fwith%20space/metadata":
357			requireMethod(t, r, http.MethodGet, "metadata")
358			requireSessionCookie(t, r)
359			writeRecipeMetadataResponse(t, w)
360		default:
361			t.Fatalf("unexpected path %s", r.URL.EscapedPath())
362		}
363	}
364}
365
366func recipeContentTestHandler(t *testing.T) http.HandlerFunc {
367	t.Helper()
368
369	return func(w http.ResponseWriter, r *http.Request) {
370		switch r.URL.EscapedPath() {
371		case "/api/public/login":
372			writeLoginResponse(t, w)
373		case "/api/recipe/recipe%2Fwith%20space/content":
374			requireMethod(t, r, http.MethodGet, "content")
375			requireSessionCookie(t, r)
376			writeJSON(t, w, RecipeContent{Content: "# Pasta\n\n- 200g pasta\n\n1. Boil pasta.", Portions: 2})
377		default:
378			t.Fatalf("unexpected path %s", r.URL.EscapedPath())
379		}
380	}
381}
382
383func previewRecipeTextTestHandler(t *testing.T, previewCalls *int) http.HandlerFunc {
384	t.Helper()
385
386	return func(w http.ResponseWriter, r *http.Request) {
387		switch r.URL.Path {
388		case "/api/public/login":
389			writeLoginResponse(t, w)
390		case "/api/new/from-text/preview":
391			requireMethod(t, r, http.MethodPost, "preview")
392			requireSessionCookie(t, r)
393			requirePreviewRecipeTextRequest(t, r)
394			(*previewCalls)++
395			writeJSON(t, w, RecipeTextPreview{
396				Title:    "Pasta with Tomato Sauce",
397				Markdown: "# Pasta\n\n1. Boil pasta.",
398				Portions: 2,
399			})
400		default:
401			t.Fatalf("unexpected path %s", r.URL.Path)
402		}
403	}
404}
405
406func savePreparedRecipeTestHandler(t *testing.T, saveCalls *int) http.HandlerFunc {
407	t.Helper()
408
409	return func(w http.ResponseWriter, r *http.Request) {
410		switch r.URL.Path {
411		case "/api/public/login":
412			writeLoginResponse(t, w)
413		case "/api/recipe/import/save":
414			requireMethod(t, r, http.MethodPost, "save prepared recipe")
415			requireSessionCookie(t, r)
416			requireSavePreparedRecipeRequest(t, r)
417			(*saveCalls)++
418			writeJSON(t, w, saveRecipeResponse{RecipeID: "recipe-1"})
419		default:
420			t.Fatalf("unexpected path %s", r.URL.Path)
421		}
422	}
423}
424
425func updateRecipeContentTestHandler(t *testing.T, updateCalls *int) http.HandlerFunc {
426	t.Helper()
427
428	return func(w http.ResponseWriter, r *http.Request) {
429		switch r.URL.EscapedPath() {
430		case "/api/public/login":
431			writeLoginResponse(t, w)
432		case "/api/recipe/recipe%2Fwith%20space/content":
433			requireMethod(t, r, http.MethodPost, "update recipe content")
434			requireSessionCookie(t, r)
435			requireUpdateRecipeContentRequest(t, r)
436			(*updateCalls)++
437			w.WriteHeader(http.StatusNoContent)
438		default:
439			t.Fatalf("unexpected path %s", r.URL.EscapedPath())
440		}
441	}
442}
443
444func deleteRecipeTestHandler(t *testing.T, deleteCalls *int) http.HandlerFunc {
445	t.Helper()
446
447	return func(w http.ResponseWriter, r *http.Request) {
448		switch r.URL.EscapedPath() {
449		case "/api/public/login":
450			writeLoginResponse(t, w)
451		case "/api/recipe/recipe%2Fwith%20space":
452			requireMethod(t, r, http.MethodDelete, "delete recipe")
453			requireSessionCookie(t, r)
454			(*deleteCalls)++
455			w.WriteHeader(http.StatusNoContent)
456		default:
457			t.Fatalf("unexpected path %s", r.URL.EscapedPath())
458		}
459	}
460}
461
462func clearShoppingListTestHandler(t *testing.T, clearCalls *int) http.HandlerFunc {
463	t.Helper()
464
465	return func(w http.ResponseWriter, r *http.Request) {
466		switch r.URL.EscapedPath() {
467		case "/api/public/login":
468			writeLoginResponse(t, w)
469		case "/api/user/returned-user/shopping-list":
470			requireMethod(t, r, http.MethodDelete, "clear shopping list")
471			requireSessionCookie(t, r)
472			(*clearCalls)++
473			w.WriteHeader(http.StatusNoContent)
474		default:
475			t.Fatalf("unexpected path %s", r.URL.EscapedPath())
476		}
477	}
478}
479
480func addShoppingListIngredientsTestHandler(t *testing.T, addCalls *int) http.HandlerFunc {
481	t.Helper()
482
483	return func(w http.ResponseWriter, r *http.Request) {
484		switch r.URL.EscapedPath() {
485		case "/api/public/login":
486			writeLoginResponse(t, w)
487		case "/api/user/shopping-list":
488			requireMethod(t, r, http.MethodPut, "add shopping-list ingredients")
489			requireSessionCookie(t, r)
490			requireAddShoppingListIngredientsRequest(t, r)
491			(*addCalls)++
492			writeAddShoppingListIngredientsResponse(t, w)
493		default:
494			t.Fatalf("unexpected path %s", r.URL.EscapedPath())
495		}
496	}
497}
498
499func requireAddShoppingListIngredientsRequest(t *testing.T, r *http.Request) {
500	t.Helper()
501
502	var request struct {
503		Ingredients string `json:"ingredients"`
504		RecipeID    string `json:"recipe-id"`
505	}
506	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
507		t.Fatalf("decode add shopping-list ingredients request: %v", err)
508	}
509	if request.Ingredients != "200g pasta\n1 cup tomato sauce" {
510		t.Fatalf("ingredients = %q, want newline-separated ingredients", request.Ingredients)
511	}
512	if request.RecipeID != "recipe-1" {
513		t.Fatalf("recipe ID = %q, want recipe-1", request.RecipeID)
514	}
515}
516
517func writeAddShoppingListIngredientsResponse(t *testing.T, w http.ResponseWriter) {
518	t.Helper()
519
520	w.Header().Set("Content-Type", "application/json")
521	if _, err := w.Write([]byte(`{
522		"success": true,
523		"added-count": 2,
524		"ingredients": ["200g pasta", "1 cup tomato sauce"]
525	}`)); err != nil {
526		t.Fatalf("write add shopping-list ingredients response: %v", err)
527	}
528}
529
530func removeShoppingListProductGroupsTestHandler(t *testing.T, removeCalls *int) http.HandlerFunc {
531	t.Helper()
532
533	return func(w http.ResponseWriter, r *http.Request) {
534		switch r.URL.EscapedPath() {
535		case "/api/public/login":
536			writeLoginResponse(t, w)
537		case "/api/user/returned-user/shopping-list/product-groups":
538			requireMethod(t, r, http.MethodDelete, "remove shopping-list product groups")
539			requireSessionCookie(t, r)
540			requireRemoveShoppingListProductGroupsRequest(t, r)
541			(*removeCalls)++
542			w.WriteHeader(http.StatusNoContent)
543		default:
544			t.Fatalf("unexpected path %s", r.URL.EscapedPath())
545		}
546	}
547}
548
549func replaceShoppingListSelectionTestHandler(t *testing.T, replaceCalls *int) http.HandlerFunc {
550	t.Helper()
551
552	return func(w http.ResponseWriter, r *http.Request) {
553		switch r.URL.EscapedPath() {
554		case "/api/public/login":
555			writeLoginResponse(t, w)
556		case "/api/user/returned-user/shopping-list/product-groups/selection":
557			requireMethod(t, r, http.MethodPut, "replace shopping-list selection")
558			requireSessionCookie(t, r)
559			requireReplaceShoppingListSelectionRequest(t, r)
560			(*replaceCalls)++
561			w.WriteHeader(http.StatusNoContent)
562		default:
563			t.Fatalf("unexpected path %s", r.URL.EscapedPath())
564		}
565	}
566}
567
568func requireRemoveShoppingListProductGroupsRequest(t *testing.T, r *http.Request) {
569	t.Helper()
570
571	var request struct {
572		IDs []string `json:"ids"`
573	}
574	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
575		t.Fatalf("decode remove shopping-list product groups request: %v", err)
576	}
577	if len(request.IDs) != 2 || request.IDs[0] != "pasta" || request.IDs[1] != "tomato" {
578		t.Fatalf("remove IDs = %#v, want pasta and tomato", request.IDs)
579	}
580}
581
582func requireReplaceShoppingListSelectionRequest(t *testing.T, r *http.Request) {
583	t.Helper()
584
585	var request struct {
586		Selected []string `json:"selected"`
587	}
588	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
589		t.Fatalf("decode replace shopping-list selection request: %v", err)
590	}
591	if len(request.Selected) != 2 || request.Selected[0] != "pasta" || request.Selected[1] != "tomato" {
592		t.Fatalf("selected IDs = %#v, want pasta and tomato", request.Selected)
593	}
594}
595
596func requirePreviewRecipeTextRequest(t *testing.T, r *http.Request) {
597	t.Helper()
598
599	var request previewRecipeTextRequest
600	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
601		t.Fatalf("decode preview request: %v", err)
602	}
603	if request.RecipeName != "Pasta" || request.RecipeText != "Boil pasta." {
604		t.Fatalf("preview request = %#v, want configured title/text", request)
605	}
606}
607
608func requireSavePreparedRecipeRequest(t *testing.T, r *http.Request) {
609	t.Helper()
610
611	var request savePreparedRecipeRequest
612	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
613		t.Fatalf("decode save prepared recipe request: %v", err)
614	}
615	if request.Title != "Pasta" {
616		t.Fatalf("save title = %q, want Pasta", request.Title)
617	}
618	if request.Description != "# Pasta\n\n1. Boil pasta." {
619		t.Fatalf("save description = %q, want markdown", request.Description)
620	}
621	if request.Portions != 2 {
622		t.Fatalf("save portions = %d, want 2", request.Portions)
623	}
624}
625
626func requireUpdateRecipeContentRequest(t *testing.T, r *http.Request) {
627	t.Helper()
628
629	var request updateRecipeContentRequest
630	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
631		t.Fatalf("decode update recipe content request: %v", err)
632	}
633	if request.Description != "# Pasta\n\n1. Boil pasta." {
634		t.Fatalf("update description = %q, want markdown", request.Description)
635	}
636	if request.Portions != 4 {
637		t.Fatalf("update portions = %d, want 4", request.Portions)
638	}
639}
640
641func requireLoginRequest(t *testing.T, r *http.Request) {
642	t.Helper()
643	requireMethod(t, r, http.MethodPost, "login")
644
645	var request loginRequest
646	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
647		t.Fatalf("decode login request: %v", err)
648	}
649	if request.Username != "configured-user" || request.Password != "configured-password" {
650		t.Fatalf("login request = %#v, want configured credentials", request)
651	}
652}
653
654func requireMethod(t *testing.T, r *http.Request, want string, label string) {
655	t.Helper()
656
657	if r.Method != want {
658		t.Fatalf("%s method = %s, want %s", label, r.Method, want)
659	}
660}
661
662func requireSessionCookie(t *testing.T, r *http.Request) {
663	t.Helper()
664
665	cookie, err := r.Cookie("cooked_session")
666	if err != nil {
667		t.Fatalf("missing session cookie: %v", err)
668	}
669	if cookie.Value != "session-value" {
670		t.Fatalf("session cookie = %q, want session-value", cookie.Value)
671	}
672}
673
674func requireQueryValue(t *testing.T, r *http.Request, name string, want string) {
675	t.Helper()
676
677	if got := r.URL.Query().Get(name); got != want {
678		t.Fatalf("%s query = %q, want %q", name, got, want)
679	}
680}
681
682func writeLoginResponse(t *testing.T, w http.ResponseWriter) {
683	t.Helper()
684
685	http.SetCookie(w, &http.Cookie{Name: "cooked_session", Value: "session-value", Path: "/"})
686	writeJSON(t, w, loginResponse{Username: "returned-user"})
687}
688
689func writeShoppingListResponse(t *testing.T, w http.ResponseWriter) {
690	t.Helper()
691
692	writeJSON(t, w, shoppingListResponse{
693		ShoppingList: ShoppingList{
694			Aisles: []Aisle{{
695				ID:   "pantry",
696				Name: "Pantry",
697				ProductGroups: []ProductGroup{{
698					ID:       "pasta",
699					Name:     "Pasta",
700					Quantity: "200g",
701				}},
702			}},
703		},
704		Recipes: []string{"recipe-id"},
705	})
706}
707
708func writeRecipeListResponse(t *testing.T, w http.ResponseWriter) {
709	t.Helper()
710
711	writeJSON(t, w, recipeListResponse{
712		Recipes: []RecipeCard{{
713			ID:           "recipe-1",
714			Title:        "Pasta",
715			ThumbnailURL: "https://example.invalid/thumb.jpg",
716		}},
717	})
718}
719
720func writeRecipeMetadataResponse(t *testing.T, w http.ResponseWriter) {
721	t.Helper()
722
723	w.Header().Set("Content-Type", "application/json")
724	if _, err := w.Write([]byte(`{
725		"title": "Pasta with Tomato Sauce",
726		"image-urls": ["https://example.invalid/pasta.jpg"],
727		"owner": "returned-user",
728		"edit-permission": true
729	}`)); err != nil {
730		t.Fatalf("write metadata response: %v", err)
731	}
732}
733
734func writeJSON[
735	T loginResponse | shoppingListResponse | recipeListResponse | RecipeContent | RecipeTextPreview | saveRecipeResponse,
736](
737	t *testing.T,
738	w http.ResponseWriter,
739	value T,
740) {
741	t.Helper()
742
743	w.Header().Set("Content-Type", "application/json")
744	if err := json.NewEncoder(w).Encode(value); err != nil {
745		t.Fatalf("write JSON: %v", err)
746	}
747}