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Use happy-dom for build smoke tests #61

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Merged
wamonroe merged 1 commit into from
Mar 3, 2026
Merged

Use happy-dom for build smoke tests #61

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10 changes: 3 additions & 7 deletions devbox.json
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Original file line number Diff line number Diff line change
@@ -1,14 +1,10 @@
{
"$schema": "https://raw.githubusercontent.com/jetify-com/devbox/0.12.0/.schema/devbox.schema.json",
"$schema": "https://raw.githubusercontent.com/jetify-com/devbox/0.12.0/.schema/devbox.schema.json",
"packages": ["nodejs@22"],
"shell": {
"init_hook": [
"echo 'Welcome to devbox!' > /dev/null"
],
"init_hook": ["echo 'Welcome to devbox!' > /dev/null"],
"scripts": {
"test": [
"echo \"Error: no test specified\" && exit 1"
]
"test": ["npm test"]
}
}
}
98 changes: 98 additions & 0 deletions package-lock.json
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1 change: 1 addition & 0 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
"eslint-config-prettier": "^10.1.8",
"eslint-plugin-prettier": "^5.5.5",
"globals": "^17.4.0",
"happy-dom": "^20.8.3",
"postcss": "^8.5.8",
"postcss-preset-env": "^11.2.0",
"prettier": "^3.8.1",
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32 changes: 21 additions & 11 deletions test/build.test.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
import { execSync } from "node:child_process";
import { readFileSync, readdirSync } from "node:fs";
import { resolve } from "node:path";
import { beforeAll, describe, expect, test } from "vitest";
import { beforeAll, beforeEach, describe, expect, test } from "vitest";

const distDir = resolve(import.meta.dirname, "../dist");

Expand All @@ -13,22 +13,33 @@ describe("production build", () => {
});
});

test("outputs index.html", () => {
beforeEach(() => {
const html = readFileSync(resolve(distDir, "index.html"), "utf-8");
expect(html.toLowerCase()).toContain("<!doctype html>");
document.documentElement.innerHTML = html;
});

test("outputs index.html", () => {
expect(document.querySelector("html")).not.toBeNull();
expect(document.querySelector("head")).not.toBeNull();
expect(document.querySelector("body")).not.toBeNull();
});

test("html contains expected page structure", () => {
const html = readFileSync(resolve(distDir, "index.html"), "utf-8");
expect(html).toContain("<title>Tailwind CSS Template</title>");
expect(html).toMatch(/Tailwind CSS Template\s*<\/h1>/);
expect(html).toContain("plain-old-HTML template using Tailwind CSS");
expect(document.querySelector("title").textContent).toBe(
"Tailwind CSS Template"
);
expect(document.querySelector("h1").textContent).toContain(
"Tailwind CSS Template"
);
expect(document.body.textContent).toContain(
"plain-old-HTML template using Tailwind CSS"
);
});

test("html links to a compiled css file", () => {
const html = readFileSync(resolve(distDir, "index.html"), "utf-8");
const cssLinkMatch = html.match(/href="\.\/assets\/[^"]+\.css"/);
expect(cssLinkMatch).not.toBeNull();
const link = document.querySelector('link[rel="stylesheet"]');
expect(link).not.toBeNull();
expect(link.getAttribute("href")).toMatch(/\.\/assets\/.*\.css$/);
});

test("compiled css contains tailwind utility styles", () => {
Expand All @@ -37,7 +48,6 @@ describe("production build", () => {
expect(cssFile).toBeDefined();

const css = readFileSync(resolve(distDir, "assets", cssFile), "utf-8");
// Tailwind should have compiled these utilities used in index.html
expect(css).toContain("font-bold");
expect(css).toContain("text-center");
expect(css.length).toBeGreaterThan(100);
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11 changes: 10 additions & 1 deletion vite.config.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,15 @@ export default {
emptyOutDir: true
},
test: {
root: "."
root: ".",
environment: "happy-dom",
environmentOptions: {
happyDOM: {
settings: {
disableCSSFileLoading: true,
handleDisabledFileLoadingAsSuccess: true
}
}
}
}
};