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Add fetcher state/type tests (#4803)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,272 @@ | ||
| import { test, expect } from "@playwright/test"; | ||
| import { ServerMode } from "@remix-run/server-runtime/mode"; | ||
|
|
||
| import { createAppFixture, createFixture, js } from "./helpers/create-fixture"; | ||
| import type { Fixture, AppFixture } from "./helpers/create-fixture"; | ||
| import { PlaywrightFixture } from "./helpers/playwright-fixture"; | ||
|
|
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| // idle, done, actionReload are tested during the testing of these flows | ||
| const TYPES = { | ||
| actionSubmission: "actionSubmission", | ||
| loaderSubmission: "loaderSubmission", | ||
| actionRedirect: "actionRedirect", | ||
| normalLoad: "normalLoad", | ||
| }; | ||
|
|
||
| test.describe("fetcher states", () => { | ||
| let fixture: Fixture; | ||
| let appFixture: AppFixture; | ||
|
|
||
| test.beforeAll(async () => { | ||
| fixture = await createFixture({ | ||
| files: { | ||
| "app/root.jsx": js` | ||
| import { useMemo, useRef } from "react"; | ||
| import { Outlet, Scripts, useFetchers } from "@remix-run/react"; | ||
| export default function Comp() { | ||
| // Only gonna use a single fetcher in any given test but this way | ||
| // we can route away from the child route and preserve the info | ||
| const [fetcher] = useFetchers(); | ||
| const fetcherRef = useRef(); | ||
| const states = useMemo(() => { | ||
| if (!fetcher) return | ||
| const savedStates = fetcherRef.current || []; | ||
| savedStates.push({ | ||
| state: fetcher.state, | ||
| type: fetcher.type, | ||
| submission: fetcher.submission ? { | ||
| ...fetcher.submission, | ||
| formData: Object.fromEntries(fetcher.submission.formData.entries()), | ||
| key: undefined | ||
| }: undefined, | ||
| data: fetcher.data, | ||
| }); | ||
| fetcherRef.current = savedStates; | ||
| return savedStates; | ||
| }, [fetcher]); | ||
| return ( | ||
| <html lang="en"> | ||
| <body> | ||
| <Outlet /> | ||
| {fetcher && fetcher.state != "idle" && ( | ||
| <p id="loading">Loading...</p> | ||
| )} | ||
| <p> | ||
| <code id="states"> | ||
| {JSON.stringify(states, null, 2)} | ||
| </code> | ||
| </p> | ||
| <Scripts /> | ||
| </body> | ||
| </html> | ||
| ); | ||
| } | ||
| `, | ||
| "app/routes/page.jsx": js` | ||
| import { redirect } from "@remix-run/node"; | ||
| import { useFetcher } from "@remix-run/react"; | ||
| export function loader() { | ||
| return { from: 'loader' } | ||
| } | ||
| export async function action({ request }) { | ||
| let fd = await request.formData() | ||
| if (fd.has('redirect')) { | ||
| return redirect('/redirect'); | ||
| } | ||
| return { from: 'action' } | ||
| } | ||
| export default function() { | ||
| const fetcher = useFetcher(); | ||
| return ( | ||
| <> | ||
| {fetcher.type === 'init' ? | ||
| <pre id="initial-state"> | ||
| { | ||
| JSON.stringify({ | ||
| state: fetcher.state, | ||
| type: fetcher.type, | ||
| submission: fetcher.submission, | ||
| data: fetcher.data, | ||
| }) | ||
| } | ||
| </pre> : | ||
| null} | ||
| <fetcher.Form method="post"> | ||
| ${TYPES.actionSubmission} | ||
| <button type="submit" name="key" value="value" id="${TYPES.actionSubmission}"> | ||
| Submit ${TYPES.actionSubmission} | ||
| </button> | ||
| </fetcher.Form> | ||
| <fetcher.Form method="get"> | ||
| ${TYPES.loaderSubmission} | ||
| <button type="submit" name="key" value="value" id="${TYPES.loaderSubmission}"> | ||
| Submit ${TYPES.loaderSubmission} | ||
| </button> | ||
| </fetcher.Form> | ||
| <fetcher.Form method="post"> | ||
| ${TYPES.actionRedirect} | ||
| <button type="submit" name="redirect" value="yes" id="${TYPES.actionRedirect}"> | ||
| Submit ${TYPES.actionRedirect} | ||
| </button> | ||
| </fetcher.Form> | ||
| <button id="${TYPES.normalLoad}" onClick={() => fetcher.load('/page')}> | ||
| Submit ${TYPES.normalLoad} | ||
| </button> | ||
| </> | ||
| ); | ||
| } | ||
| `, | ||
| "app/routes/redirect.jsx": js` | ||
| import { useFetcher } from "@remix-run/react"; | ||
| export function loader() { | ||
| return { from: 'redirect loader' } | ||
| } | ||
| export default function() { | ||
| return <h1>Redirect</h1>; | ||
| } | ||
| `, | ||
| }, | ||
| }); | ||
|
|
||
| appFixture = await createAppFixture(fixture, ServerMode.Development); | ||
| }); | ||
|
|
||
| test.afterAll(async () => { | ||
| await appFixture.close(); | ||
| }); | ||
|
|
||
| test("represents a initial fetcher", async ({ page }) => { | ||
| let app = new PlaywrightFixture(appFixture, page); | ||
| await app.goto("/page", true); | ||
| let text = (await app.getElement("#initial-state")).text(); | ||
| expect(JSON.parse(text)).toEqual({ | ||
| state: "idle", | ||
| type: "init", | ||
| }); | ||
| }); | ||
|
|
||
| test("represents an actionSubmission fetcher", async ({ page }) => { | ||
| let app = new PlaywrightFixture(appFixture, page); | ||
| await app.goto("/page", true); | ||
| await app.clickElement(`#${TYPES.actionSubmission}`); | ||
| await page.waitForSelector("#loading", { state: "hidden" }); | ||
| let text = (await app.getElement("#states")).text(); | ||
| expect(JSON.parse(text)).toEqual([ | ||
| { | ||
| state: "submitting", | ||
| type: "actionSubmission", | ||
| submission: { | ||
| formData: { key: "value" }, | ||
| action: "/page", | ||
| method: "POST", | ||
| encType: "application/x-www-form-urlencoded", | ||
| }, | ||
| }, | ||
| { | ||
| state: "loading", | ||
| type: "actionReload", | ||
| submission: { | ||
| formData: { key: "value" }, | ||
| action: "/page", | ||
| method: "POST", | ||
| encType: "application/x-www-form-urlencoded", | ||
| }, | ||
| data: { | ||
| from: "action", | ||
| }, | ||
| }, | ||
| { | ||
| state: "idle", | ||
| type: "done", | ||
| data: { | ||
| from: "action", | ||
| }, | ||
| }, | ||
| ]); | ||
| }); | ||
|
|
||
| test("represents a loaderSubmission fetcher", async ({ page }) => { | ||
| let app = new PlaywrightFixture(appFixture, page); | ||
| await app.goto("/page", true); | ||
| await app.clickElement(`#${TYPES.loaderSubmission}`); | ||
| await page.waitForSelector("#loading", { state: "hidden" }); | ||
| let text = (await app.getElement("#states")).text(); | ||
| expect(JSON.parse(text)).toEqual([ | ||
| { | ||
| state: "submitting", | ||
| type: "loaderSubmission", | ||
| submission: { | ||
| formData: { key: "value" }, | ||
| // Note: This is a bug in Remix but we're going to keep it that way | ||
| // in useTransition (including the back-compat version) and it'll be | ||
| // fixed with useNavigation | ||
| action: "/page?key=value", | ||
| method: "GET", | ||
| encType: "application/x-www-form-urlencoded", | ||
| }, | ||
| }, | ||
| { | ||
| state: "idle", | ||
| type: "done", | ||
| data: { | ||
| from: "loader", | ||
| }, | ||
| }, | ||
| ]); | ||
| }); | ||
|
|
||
| test("represents an actionRedirect fetcher", async ({ page }) => { | ||
| let app = new PlaywrightFixture(appFixture, page); | ||
| await app.goto("/page", true); | ||
| await app.clickElement(`#${TYPES.actionRedirect}`); | ||
| await page.waitForSelector("#loading", { state: "hidden" }); | ||
| let text = (await app.getElement("#states")).text(); | ||
| expect(JSON.parse(text)).toEqual([ | ||
| { | ||
| state: "submitting", | ||
| type: "actionSubmission", | ||
| submission: { | ||
| formData: { redirect: "yes" }, | ||
| action: "/page", | ||
| method: "POST", | ||
| encType: "application/x-www-form-urlencoded", | ||
| }, | ||
| }, | ||
| { | ||
| state: "loading", | ||
| type: "actionRedirect", | ||
| submission: { | ||
| formData: { redirect: "yes" }, | ||
| action: "/page", | ||
| method: "POST", | ||
| encType: "application/x-www-form-urlencoded", | ||
| }, | ||
| }, | ||
| { | ||
| state: "idle", | ||
| type: "done", | ||
| }, | ||
| ]); | ||
| }); | ||
|
|
||
| test("represents a normalLoad fetcher", async ({ page }) => { | ||
| let app = new PlaywrightFixture(appFixture, page); | ||
| await app.goto("/page", true); | ||
| await app.clickElement(`#${TYPES.normalLoad}`); | ||
| await page.waitForSelector("#loading", { state: "hidden" }); | ||
| let text = (await app.getElement("#states")).text(); | ||
| expect(JSON.parse(text)).toEqual([ | ||
| { | ||
| state: "loading", | ||
| type: "normalLoad", | ||
| }, | ||
| { | ||
| data: { from: "loader" }, | ||
| state: "idle", | ||
| type: "done", | ||
| }, | ||
| ]); | ||
| }); | ||
| }); |
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