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hydrate.test.mjs
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hydrate.test.mjs
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// @ts-check
import puppeteer from "puppeteer";
import { createElement as h, Fragment } from "react";
import serveProjectFiles from "./test/serveProjectFiles.mjs";
import testPuppeteerPage from "./test/testPuppeteerPage.mjs";
import readImportMapFile from "./readImportMapFile.mjs";
Deno.test("`hydrate` in a DOM environment.", async () => {
const abortController = new AbortController();
const projectFileServer = await serveProjectFiles(abortController.signal);
try {
const projectFilesOriginUrl = new URL(
`http://localhost:${projectFileServer.port}`,
);
const clientImportMap = await readImportMapFile(
new URL("importMap.json", import.meta.url),
);
if (!clientImportMap.imports) {
throw new TypeError("Import map field `imports` missing.");
}
clientImportMap.imports["ruck/"] = projectFilesOriginUrl.href;
const scriptImportMap = `<script type="importmap">${
JSON.stringify(clientImportMap)
}</script>`;
const htmlRuckHeadStart = `<meta name="ruck-head-start" />`;
const htmlRuckHeadEnd = `<meta name="ruck-head-end" />`;
const htmlRuckBodyReactRoot = `<div id="ruck-app"></div>`;
const browser = await puppeteer.launch();
try {
// Todo: Refactor to use Deno test steps once this Deno bug is fixed:
// https://github.com/denoland/deno/issues/15425
// Test `hydrate` with option `router` not a function.
await testPuppeteerPage(
browser,
projectFilesOriginUrl,
async (page) => {
await page.setContent(/* HTML */ `<!DOCTYPE html>
<html>
<head>
${scriptImportMap}
${htmlRuckHeadStart}
${htmlRuckHeadEnd}
</head>
${htmlRuckBodyReactRoot}
</html>`);
await page.evaluate(async () => {
const { default: hydrate } =
await /** @type {Promise<import("./hydrate.mjs")>} */ (import(
"ruck/hydrate.mjs"
));
try {
await hydrate({
appComponent: () => h(Fragment),
// @ts-expect-error Testing invalid.
router: true,
cacheData: {},
});
throw new Error("Expected an error.");
} catch (error) {
if (
!(error instanceof TypeError) ||
error.message !== "Option `router` must be a function."
) {
throw error;
}
}
});
},
);
// Test `hydrate` with Ruck body React app DOM node missing.
await testPuppeteerPage(
browser,
projectFilesOriginUrl,
async (page) => {
await page.setContent(/* HTML */ `<!DOCTYPE html>
<html>
<head>
${scriptImportMap}
${htmlRuckHeadStart}
${htmlRuckHeadEnd}
</head>
</html>`);
await page.evaluate(async () => {
const { default: hydrate } =
await /** @type {Promise<import("./hydrate.mjs")>} */ (import(
"ruck/hydrate.mjs"
));
try {
await hydrate({
appComponent: /** @type {any} */ (() => {}),
router: /** @type {any} */ (() => {}),
cacheData: {},
});
throw new Error("Expected an error.");
} catch (error) {
if (
!(error instanceof Error) ||
error.message !== "Ruck body React app DOM node missing."
) {
throw error;
}
}
});
},
);
// Test `hydrate` with Ruck head React app start DOM node missing.
await testPuppeteerPage(
browser,
projectFilesOriginUrl,
async (page) => {
await page.setContent(/* HTML */ `<!DOCTYPE html>
<html>
<head>
${scriptImportMap}
${htmlRuckHeadEnd}
</head>
${htmlRuckBodyReactRoot}
</html>`);
await page.evaluate(async () => {
const { default: hydrate } =
await /** @type {Promise<import("./hydrate.mjs")>} */ (import(
"ruck/hydrate.mjs"
));
try {
await hydrate({
appComponent: /** @type {any} */ (() => {}),
router: /** @type {any} */ (() => {}),
cacheData: {},
});
throw new Error("Expected an error.");
} catch (error) {
if (
!(error instanceof Error) ||
error.message !== "Ruck head React app start DOM node missing."
) {
throw error;
}
}
});
},
);
// Test `hydrate` with Ruck head React app end DOM node missing.
await testPuppeteerPage(
browser,
projectFilesOriginUrl,
async (page) => {
await page.setContent(/* HTML */ `<!DOCTYPE html>
<html>
<head>
${scriptImportMap}
${htmlRuckHeadStart}
</head>
${htmlRuckBodyReactRoot}
</html>`);
await page.evaluate(async () => {
const { default: hydrate } =
await /** @type {Promise<import("./hydrate.mjs")>} */ (import(
"ruck/hydrate.mjs"
));
try {
await hydrate({
appComponent: /** @type {any} */ (() => {}),
router: /** @type {any} */ (() => {}),
cacheData: {},
});
throw new Error("Expected an error.");
} catch (error) {
if (
!(error instanceof Error) ||
error.message !== "Ruck head React app end DOM node missing."
) {
throw error;
}
}
});
},
);
} finally {
await browser.close();
}
} finally {
abortController.abort();
await projectFileServer.close;
}
});