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svelte/test/js/index.js

96 lines
2.4 KiB

import assert from "assert";
import * as fs from "fs";
import * as path from "path";
import { rollup } from "rollup";
import { loadConfig, svelte } from "../helpers.js";
describe("js", () => {
fs.readdirSync("test/js/samples").forEach(dir => {
if (dir[0] === ".") return;
// add .solo to a sample directory name to only run that test
const solo = /\.solo/.test(dir);
if (solo && process.env.CI) {
throw new Error("Forgot to remove `solo: true` from test");
}
(solo ? it.only : it)(dir, () => {
dir = path.resolve("test/js/samples", dir);
const config = loadConfig(`${dir}/_config.js`);
function test(input, v2) {
let actual;
try {
const options = Object.assign(config.options || {}, {
shared: true,
parser: v2 ? 'v2' : 'v1'
});
actual = svelte.compile(input, options).code.replace(/generated by Svelte v\d+\.\d+\.\d+/, 'generated by Svelte vX.Y.Z');
} catch (err) {
console.log(err.frame);
throw err;
}
const output = `${dir}/_actual${v2 ? '-v2' : ''}.js`;
fs.writeFileSync(output, actual);
return rollup({
input: output,
plugins: [
{
resolveId(importee, importer) {
if (!importer) return importee;
if (importee === "svelte/shared.js")
return path.resolve("shared.js");
return null;
}
}
]
}).then(bundle => {
return bundle.generate({ format: "es" });
}).then(({ code }) => {
fs.writeFileSync(`${dir}/_actual-bundle${v2 ? '-v2' : ''}.js`, code);
const expected = fs.readFileSync(`${dir}/expected${v2 ? '-v2' : ''}.js`, "utf-8");
const expectedBundle = fs.readFileSync(
`${dir}/expected-bundle${v2 ? '-v2' : ''}.js`,
"utf-8"
);
assert.equal(
actual.trim().replace(/^[ \t]+$/gm, ""),
expected.trim().replace(/^[ \t]+$/gm, "")
);
assert.equal(
code.trim().replace(/^[ \t]+$/gm, ""),
expectedBundle.trim().replace(/^[ \t]+$/gm, "")
);
}).catch(err => {
if (err.loc) console.error(err.loc);
throw err;
});
}
return Promise.resolve()
.then(() => {
return test(
fs.readFileSync(`${dir}/input.html`, "utf-8").replace(/\s+$/, "")
);
})
.then(() => {
if (fs.existsSync(`${dir}/input-v2.html`)) {
return test(
fs.readFileSync(`${dir}/input-v2.html`, "utf-8").replace(/\s+$/, ""),
'v2'
);
}
});
});
});
});