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navigation-state-test.ts
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import { test, expect } from "@playwright/test";
import {
createAppFixture,
createFixture,
js,
} from "./helpers/create-fixture.js";
import type { Fixture, AppFixture } from "./helpers/create-fixture.js";
import { PlaywrightFixture } from "./helpers/playwright-fixture.js";
const STATES = {
NORMAL_LOAD: "normal-load",
LOADING_REDIRECT: "loading-redirect",
SUBMITTING_LOADER: "submitting-loader",
SUBMITTING_LOADER_REDIRECT: "submitting-loader-redirect",
SUBMITTING_ACTION: "submitting-action",
SUBMITTING_ACTION_REDIRECT: "submitting-action-redirect",
FETCHER_REDIRECT: "fetcher-redirect",
} as const;
const IDLE_STATE = {
state: "idle",
};
test.describe("navigation states", () => {
let fixture: Fixture;
let appFixture: AppFixture;
test.beforeEach(async ({ context }) => {
await context.route(/\.data$/, async (route) => {
await new Promise((resolve) => setTimeout(resolve, 50));
route.continue();
});
});
test.beforeAll(async () => {
fixture = await createFixture({
files: {
"app/root.tsx": js`
import { useMemo, useRef } from "react";
import { Outlet, Scripts, useNavigation } from "react-router";
export default function() {
const navigation = useNavigation();
const navigationsRef = useRef();
const navigations = useMemo(() => {
const savedNavigations = navigationsRef.current || [];
savedNavigations.push(navigation);
navigationsRef.current = savedNavigations;
return savedNavigations;
}, [navigation]);
return (
<html lang="en">
<head><title>Test</title></head>
<body>
<Outlet />
{navigation.state != "idle" && (
<p id="loading-indicator">Loading...</p>
)}
<p>
<code id="navigations">
{JSON.stringify(navigations, null, 2)}
</code>
</p>
<Scripts />
</body>
</html>
);
}
`,
"app/routes/_index.tsx": js`
import { Form, Link, useFetcher } from "react-router";
export function loader() { return null; }
export default function() {
const fetcher = useFetcher();
return (
<ul>
<li>
<Link to="/${STATES.NORMAL_LOAD}">
${STATES.NORMAL_LOAD}
</Link>
</li>
<li>
<Link to="/${STATES.LOADING_REDIRECT}">
${STATES.LOADING_REDIRECT}
</Link>
</li>
<li>
<Form action="/${STATES.SUBMITTING_LOADER}" method="get">
<button type="submit" name="key" value="value">
${STATES.SUBMITTING_LOADER}
</button>
</Form>
</li>
<li>
<Form action="/${STATES.SUBMITTING_LOADER_REDIRECT}" method="get">
<button type="submit">
${STATES.SUBMITTING_LOADER_REDIRECT}
</button>
</Form>
</li>
<li>
<Form action="/${STATES.SUBMITTING_ACTION}" method="post">
<button type="submit">
${STATES.SUBMITTING_ACTION}
</button>
</Form>
</li>
<li>
<Form action="/${STATES.SUBMITTING_ACTION_REDIRECT}" method="post">
<button type="submit">
${STATES.SUBMITTING_ACTION_REDIRECT}
</button>
</Form>
</li>
<li>
<fetcher.Form action="/${STATES.FETCHER_REDIRECT}" method="post">
<button type="submit">
${STATES.FETCHER_REDIRECT}
</button>
</fetcher.Form>
</li>
</ul>
);
}
`,
[`app/routes/${STATES.NORMAL_LOAD}.jsx`]: js`
export default function() {
return (
<h2 id="${STATES.NORMAL_LOAD}">
${STATES.NORMAL_LOAD}
</h2>
);
}
`,
[`app/routes/${STATES.LOADING_REDIRECT}.jsx`]: js`
import { redirect } from "react-router";
export function loader() {
return redirect("/?redirected");
}
export default function() {
return (
<h2 id="${STATES.LOADING_REDIRECT}">
${STATES.LOADING_REDIRECT}
</h2>
);
}
`,
[`app/routes/${STATES.SUBMITTING_LOADER}.jsx`]: js`
export default function() {
return (
<h2 id="${STATES.SUBMITTING_LOADER}">
${STATES.SUBMITTING_LOADER}
</h2>
);
}
`,
[`app/routes/${STATES.SUBMITTING_LOADER_REDIRECT}.jsx`]: js`
import { redirect } from "react-router";
export function loader() {
return redirect("/?redirected");
}
export default function() {
return (
<h2 id="${STATES.SUBMITTING_LOADER_REDIRECT}">
${STATES.SUBMITTING_LOADER_REDIRECT}
</h2>
);
}
`,
[`app/routes/${STATES.SUBMITTING_ACTION}.jsx`]: js`
export function loader() { return null; }
export function action() { return null; }
export default function() {
return (
<h2 id="${STATES.SUBMITTING_ACTION}">
${STATES.SUBMITTING_ACTION}
</h2>
);
}
`,
[`app/routes/${STATES.SUBMITTING_ACTION_REDIRECT}.jsx`]: js`
import { redirect } from "react-router";
export function action() {
return redirect("/?redirected");
}
export default function() {
return (
<h2 id="${STATES.SUBMITTING_ACTION_REDIRECT}">
${STATES.SUBMITTING_ACTION_REDIRECT}
</h2>
);
}
`,
[`app/routes/${STATES.FETCHER_REDIRECT}.jsx`]: js`
import { redirect } from "react-router";
export function action() {
return redirect("/?redirected");
}
`,
},
});
appFixture = await createAppFixture(fixture);
});
test.afterAll(() => {
appFixture.close();
});
test("normal load (Loading)", async ({ page }) => {
let app = new PlaywrightFixture(appFixture, page);
await app.goto("/", true);
await app.clickLink(`/${STATES.NORMAL_LOAD}`);
await page.waitForSelector(`#${STATES.NORMAL_LOAD}`);
await page.waitForSelector("#loading-indicator", { state: "hidden" });
let navigationsCode = await app.getElement("#navigations");
let navigationsJson = navigationsCode.text();
let navigations = JSON.parse(navigationsJson);
expect(navigations).toEqual([
IDLE_STATE,
{
state: "loading",
location: {
pathname: `/${STATES.NORMAL_LOAD}`,
search: "",
hash: "",
state: null,
key: expect.any(String),
},
},
IDLE_STATE,
]);
});
test("normal redirect (LoadingRedirect)", async ({ page }) => {
let app = new PlaywrightFixture(appFixture, page);
await app.goto("/", true);
await app.clickLink(`/${STATES.LOADING_REDIRECT}`);
await page.waitForURL(/\?redirected/);
await page.waitForSelector("#loading-indicator", { state: "hidden" });
let navigationsCode = await app.getElement("#navigations");
let navigationsJson = navigationsCode.text();
let navigations = JSON.parse(navigationsJson);
expect(navigations).toEqual([
IDLE_STATE,
{
state: "loading",
location: {
pathname: `/${STATES.LOADING_REDIRECT}`,
search: "",
hash: "",
state: null,
key: expect.any(String),
},
},
{
state: "loading",
location: {
pathname: "/",
search: "?redirected",
hash: "",
state: {
_isRedirect: true,
},
key: expect.any(String),
},
},
IDLE_STATE,
]);
});
test("loader submission (SubmittingLoader)", async ({ page }) => {
let app = new PlaywrightFixture(appFixture, page);
await app.goto("/", true);
await app.clickSubmitButton(`/${STATES.SUBMITTING_LOADER}`);
await page.waitForSelector(`#${STATES.SUBMITTING_LOADER}`);
await page.waitForSelector("#loading-indicator", { state: "hidden" });
let navigationsCode = await app.getElement("#navigations");
let navigationsJson = navigationsCode.text();
let navigations = JSON.parse(navigationsJson);
expect(navigations).toEqual([
IDLE_STATE,
{
state: "loading",
location: {
pathname: `/${STATES.SUBMITTING_LOADER}`,
search: "?key=value",
hash: "",
state: null,
key: expect.any(String),
},
formMethod: "GET",
formAction: `/${STATES.SUBMITTING_LOADER}`,
formEncType: "application/x-www-form-urlencoded",
formData: expect.any(Object),
},
IDLE_STATE,
]);
});
test("loader submission redirect (LoadingLoaderSubmissionRedirect)", async ({
page,
}) => {
let app = new PlaywrightFixture(appFixture, page);
await app.goto("/", true);
await app.clickSubmitButton(`/${STATES.SUBMITTING_LOADER_REDIRECT}`);
await page.waitForURL(/\?redirected/);
await page.waitForSelector("#loading-indicator", { state: "hidden" });
let navigationsCode = await app.getElement("#navigations");
let navigationsJson = navigationsCode.text();
let navigations = JSON.parse(navigationsJson);
expect(navigations).toEqual([
IDLE_STATE,
{
state: "loading",
location: {
pathname: `/${STATES.SUBMITTING_LOADER_REDIRECT}`,
search: "",
hash: "",
state: null,
key: expect.any(String),
},
formMethod: "GET",
formAction: `/${STATES.SUBMITTING_LOADER_REDIRECT}`,
formEncType: "application/x-www-form-urlencoded",
formData: expect.any(Object),
},
{
state: "loading",
location: {
pathname: "/",
search: "?redirected",
hash: "",
state: {
_isRedirect: true,
},
key: expect.any(String),
},
formMethod: "GET",
formAction: `/${STATES.SUBMITTING_LOADER_REDIRECT}`,
formEncType: "application/x-www-form-urlencoded",
formData: expect.any(Object),
},
IDLE_STATE,
]);
});
test("action submission (SubmittingAction)", async ({ page }) => {
let app = new PlaywrightFixture(appFixture, page);
await app.goto("/", true);
await app.clickSubmitButton(`/${STATES.SUBMITTING_ACTION}`);
await page.waitForSelector(`#${STATES.SUBMITTING_ACTION}`);
await page.waitForSelector("#loading-indicator", { state: "hidden" });
let navigationsCode = await app.getElement("#navigations");
let navigationsJson = navigationsCode.text();
let navigations = JSON.parse(navigationsJson);
expect(navigations).toEqual([
IDLE_STATE,
{
state: "submitting",
location: {
pathname: `/${STATES.SUBMITTING_ACTION}`,
search: "",
hash: "",
state: null,
key: expect.any(String),
},
formMethod: "POST",
formAction: `/${STATES.SUBMITTING_ACTION}`,
formEncType: "application/x-www-form-urlencoded",
formData: expect.any(Object),
},
{
state: "loading",
location: {
pathname: `/${STATES.SUBMITTING_ACTION}`,
search: "",
hash: "",
state: null,
key: expect.any(String),
},
formMethod: "POST",
formAction: `/${STATES.SUBMITTING_ACTION}`,
formEncType: "application/x-www-form-urlencoded",
formData: expect.any(Object),
},
IDLE_STATE,
]);
});
test("action submission redirect (LoadingActionRedirect)", async ({
page,
}) => {
let app = new PlaywrightFixture(appFixture, page);
await app.goto("/", true);
await app.clickSubmitButton(`/${STATES.SUBMITTING_ACTION_REDIRECT}`);
await page.waitForURL(/\?redirected/);
await page.waitForSelector("#loading-indicator", { state: "hidden" });
let navigationsCode = await app.getElement("#navigations");
let navigationsJson = navigationsCode.text();
let navigations = JSON.parse(navigationsJson);
expect(navigations).toEqual([
IDLE_STATE,
{
state: "submitting",
location: {
pathname: `/${STATES.SUBMITTING_ACTION_REDIRECT}`,
search: "",
hash: "",
state: null,
key: expect.any(String),
},
formMethod: "POST",
formAction: `/${STATES.SUBMITTING_ACTION_REDIRECT}`,
formEncType: "application/x-www-form-urlencoded",
formData: expect.any(Object),
},
{
state: "loading",
location: {
pathname: "/",
search: "?redirected",
hash: "",
state: {
_isRedirect: true,
},
key: expect.any(String),
},
formMethod: "POST",
formAction: `/${STATES.SUBMITTING_ACTION_REDIRECT}`,
formEncType: "application/x-www-form-urlencoded",
formData: expect.any(Object),
},
IDLE_STATE,
]);
});
test("fetcher action submission redirect (LoadingFetchActionRedirect)", async ({
page,
}) => {
let app = new PlaywrightFixture(appFixture, page);
await app.goto("/", true);
await app.clickSubmitButton(`/${STATES.FETCHER_REDIRECT}`);
await page.waitForURL(/\?redirected/);
await page.waitForSelector("#loading-indicator", { state: "hidden" });
let navigationsCode = await app.getElement("#navigations");
let navigationsJson = navigationsCode.text();
let navigations = JSON.parse(navigationsJson);
expect(navigations).toEqual([
IDLE_STATE,
{
state: "loading",
location: {
pathname: "/",
search: "?redirected",
hash: "",
state: {
_isRedirect: true,
},
key: expect.any(String),
},
},
IDLE_STATE,
]);
});
});