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import { expect } from 'chai';
import { parseHTML } from 'linkedom';
import { loadFixture } from '../../../astro/test/test-utils.js';
describe('MDX - Vite env vars', () => {
let fixture;
before(async () => {
fixture = await loadFixture({
root: new URL('./fixtures/mdx-vite-env-vars/', import.meta.url),
});
await fixture.build();
});
it('Avoids transforming `import.meta.env` outside JSX expressions', async () => {
const html = await fixture.readFile('/vite-env-vars/index.html');
const { document } = parseHTML(html);
expect(document.querySelector('h1')?.innerHTML).to.contain('import.meta.env.SITE');
expect(document.querySelector('code')?.innerHTML).to.contain('import.meta.env.SITE');
expect(document.querySelector('pre')?.innerHTML).to.contain('import.meta.env.SITE');
});
it('Allows referencing `import.meta.env` in frontmatter', async () => {
const { title = '' } = JSON.parse(await fixture.readFile('/frontmatter.json'));
expect(title).to.contain('import.meta.env.SITE');
});
it('Transforms `import.meta.env` in {JSX expressions}', async () => {
const html = await fixture.readFile('/vite-env-vars/index.html');
const { document } = parseHTML(html);
expect(document.querySelector('[data-env-site]')?.innerHTML).to.contain(
'https://mdx-is-neat.com/blog/cool-post',
);
});
it('Transforms `import.meta.env` in variable exports', async () => {
const html = await fixture.readFile('/vite-env-vars/index.html');
const { document } = parseHTML(html);
expect(document.querySelector('[data-env-variable-exports]')?.innerHTML).to.contain(
'MODE works',
);
});
it('Transforms `import.meta.env` in HTML attributes', async () => {
const html = await fixture.readFile('/vite-env-vars/index.html');
const { document } = parseHTML(html);
const dataAttrDump = document.querySelector('[data-env-dump]');
expect(dataAttrDump).to.not.be.null;
expect(dataAttrDump.getAttribute('data-env-prod')).to.not.be.null;
expect(dataAttrDump.getAttribute('data-env-dev')).to.be.null;
expect(dataAttrDump.getAttribute('data-env-base-url')).to.equal(
'/',
);
expect(dataAttrDump.getAttribute('data-env-mode')).to.equal(
'production',
);
});
});
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