chore: setup initial MSW and test scaffolding for search page

__mocks__/jest.setup.js

@@ -3,8 +3,11 @@
 
 // Used for __tests__/testing-library.js
 // Learn more: https://github.com/testing-library/jest-dom
+require("whatwg-fetch");
 require("@testing-library/jest-dom/jest-globals");
 
+global.plausible = null;
+
 global.IntersectionObserver = class IntersectionObserver {
 	constructor() {}
 

jest.config.cjs

@@ -1,4 +1,5 @@
 const { resolve } = require("path");
+require('whatwg-fetch');
 
 // Add any custom config to be passed to Jest
 module.exports = {

package.json

@@ -37,7 +37,7 @@
 		"social-previews:dev": "npm-run-all --parallel social-previews:dev:build social-previews:dev:server",
 		"epub": "tsx --tsconfig tsconfig.script.json build-scripts/generate-epubs.ts",
 		"tsc": "tsc --noEmit && astro check",
-		"test": "jest",
+		"test": "set DEBUG_PRINT_LIMIT=9999999999 && jest",
 		"prepare": "husky install && playwright install"
 	},
 	"devDependencies": {
@@ -51,6 +51,8 @@
 		"@testing-library/dom": "^9.3.1",
 		"@testing-library/jest-dom": "^6.0.0",
 		"@testing-library/preact": "^3.2.3",
+		"@testing-library/user-event": "^14.4.3",
+		"@types/hast": "^3.0.0",
 		"@types/jest": "^29.5.2",
 		"@types/json5": "^2.2.0",
 		"@types/node": "^20.5.0",
@@ -85,6 +87,7 @@
 		"json5": "^2.2.3",
 		"junk": "^4.0.1",
 		"lint-staged": "^14.0.0",
+		"msw": "^1.2.3",
 		"npm-run-all": "^4.1.5",
 		"plausible-tracker": "^0.3.8",
 		"playwright": "^1.37.0",
@@ -114,8 +117,8 @@
 		"unist-util-replace-all-between": "^0.1.1",
 		"unist-util-visit": "^5.0.0",
 		"vercel": "^31.2.3",
-		"@types/hast": "^3.0.0",
-		"vite-plugin-svgr": "^3.2.0"
+		"vite-plugin-svgr": "^3.2.0",
+		"whatwg-fetch": "^3.6.17"
 	},
 	"lint-staged": {
 		"*.{js,ts,astro}": "eslint --cache --fix",

src/components/image/picture.tsx

@@ -16,10 +16,8 @@ export const Picture = ({
 }: PictureProps) => {
 	return (
 		<picture class={`${className || ""}`}>
-			{picture.sources.map((attrs) => (
-				<source {...attrs} />
-			))}
-			<img {...(picture.image as any)} {...imgAttrs} alt={alt} />
+			{picture?.sources.map((attrs) => <source {...attrs} />)}
+			<img {...((picture?.image as any) ?? {})} {...imgAttrs} alt={alt} />
 		</picture>
 	);
 };

src/views/search/components/filter-section-item.tsx

@@ -23,6 +23,7 @@ export const FilterSectionItem = ({
 	const props = {
 		isSelected: selected,
 		onChange: onChange,
+		"aria-label": label,
 	};
 
 	const state = useToggleState(props);

src/views/search/components/search-topbar.tsx

@@ -41,6 +41,7 @@ export const SearchTopbar = ({
 			>
 				<SearchInput
 					id="search-bar"
+					aria-label="Search"
 					class={style.searchbar}
 					usedInPreact={true}
 					value={search}

src/views/search/search-page.spec.tsx

@@ -0,0 +1,69 @@
+import { fireEvent, render, waitFor } from "@testing-library/preact";
+import SearchPage, { ServerReturnType } from "./search-page";
+import { rest } from "msw";
+import { setupServer } from "msw/node";
+import { MockPost } from "../../../__mocks__/data/mock-post";
+import userEvent from "@testing-library/user-event";
+
+const user = userEvent.setup();
+
+const server = setupServer();
+
+beforeAll(() => server.listen({ onUnhandledRequest: "error" }));
+
+afterEach(() => server.resetHandlers());
+
+afterAll(() => server.close());
+
+function mockFetch(fn: (searchStr: string) => ServerReturnType) {
+	server.use(
+		rest.get<ServerReturnType>(
+			`/api/search`,
+			async (req, res, ctx) => {
+				const searchString = req.url.searchParams.get("query");
+				return res(ctx.json(fn(searchString)));
+			},
+		),
+	);
+}
+
+describe("Search page", () => {
+	test("Should show initial results", () => {
+		const { getByText } = render(<SearchPage unicornProfilePicMap={[]} />);
+
+		expect(getByText("What would you like to find?")).toBeInTheDocument();
+	});
+
+	test("Should show search results filtered by client", async () => {
+		mockFetch(() => ({
+			posts: [MockPost],
+			totalPosts: 1,
+			totalCollections: 0,
+			collections: [],
+		}));
+
+		const { getByText, getByLabelText, debug, getByTestId } = render(
+			<SearchPage unicornProfilePicMap={[]} />,
+		);
+		const searchInput = getByLabelText("Search");
+		await user.type(searchInput, MockPost.title);
+		await user.type(searchInput, "{enter}");
+		await waitFor(() => expect(getByText(MockPost.title)).toBeInTheDocument());
+	});
+
+	test.todo("Should show error with 500");
+	test.todo("Should show 'nothing found'");
+	test.todo("Remove collections header when none found");
+	test.todo("Remove posts header when none found");
+
+	test.todo("Filter by tag works");
+	test.todo("Filter by content type");
+	test.todo("Sort by date works");
+	test.todo("Filter by author works");
+
+	// Changing pages to page 2 shows second page of results
+	test.todo("Pagination works");
+
+	// Search page, sort order, etc
+	test.todo("Make sure that initial search props are not thrown away");
+});

src/views/search/search-page.tsx

@@ -48,7 +48,7 @@ interface SearchPageProps {
 
 const MAX_POSTS_PER_PAGE = 6;
 
-interface ServerReturnType {
+export interface ServerReturnType {
 	posts: PostInfo[];
 	totalPosts: number;
 	collections: ExtendedCollectionInfo[];
@@ -97,6 +97,7 @@ function SearchPageBase({ unicornProfilePicMap }: SearchPageProps) {
 
 			return fetch(`/api/search?query=${debouncedSearch}`, {
 				signal: signal,
+				method: "GET",
 			}).then((res) => res.json() as Promise<ServerReturnType>);
 		},
 		queryKey: ["search", debouncedSearch],
@@ -353,7 +354,7 @@ function SearchPageBase({ unicornProfilePicMap }: SearchPageProps) {
 					!isContentLoading &&
 					showArticles &&
 					Boolean(data.posts.length) && (
-						<Fragment>
+						<div data-testid={"HI"}>
 							<SubHeader tag="h1" text="Articles" />
 							<PostCardGrid
 								listAriaLabel={"List of search result posts"}
@@ -374,7 +375,7 @@ function SearchPageBase({ unicornProfilePicMap }: SearchPageProps) {
 									return `${window.location.pathname}?${pageParams.toString()}`;
 								}}
 							/>
-						</Fragment>
+						</div>
 					)}
 			</div>
 		</SearchTag>