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svelte/test/server-side-rendering/index.js

113 lines
2.7 KiB

import assert from "assert";
import * as fs from "fs";
import * as path from "path";
import glob from 'glob';
import {
showOutput,
loadConfig,
setupHtmlEqual,
tryToLoadJson
} from "../helpers.js";
function tryToReadFile(file) {
try {
return fs.readFileSync(file, "utf-8");
} catch (err) {
if (err.code !== "ENOENT") throw err;
return null;
}
}
describe("ssr", () => {
before(() => {
require(process.env.COVERAGE
? "../../src/server-side-rendering/register.js"
: "../../ssr/register");
return setupHtmlEqual();
});
fs.readdirSync("test/server-side-rendering/samples").forEach(dir => {
if (dir[0] === ".") return;
// add .solo to a sample directory name to only run that test, or
// .show to always show the output. or both
const solo = /\.solo/.test(dir);
let show = /\.show/.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/server-side-rendering/samples", dir);
const component = require(`${dir}/main.html`);
const expectedHtml = tryToReadFile(`${dir}/_expected.html`);
const expectedCss = tryToReadFile(`${dir}/_expected.css`) || "";
const data = tryToLoadJson(`${dir}/data.json`);
let html;
let css;
let error;
try {
html = component.render(data);
css = component.renderCss().css;
} catch (e) {
show = true;
error = e;
}
if (show) showOutput(dir, { generate: "ssr" });
if (error) throw error;
fs.writeFileSync(`${dir}/_actual.html`, html);
if (css) fs.writeFileSync(`${dir}/_actual.css`, css);
assert.htmlEqual(html, expectedHtml);
assert.equal(
css.replace(/^\s+/gm, ""),
expectedCss.replace(/^\s+/gm, "")
);
});
});
// duplicate client-side tests, as far as possible
fs.readdirSync("test/runtime/samples").forEach(dir => {
if (dir[0] === ".") return;
const config = loadConfig(`./runtime/samples/${dir}/_config.js`);
if (config.solo && process.env.CI) {
throw new Error("Forgot to remove `solo: true` from test");
}
if (config["skip-ssr"]) return;
(config.skip ? it.skip : config.solo ? it.only : it)(dir, () => {
const cwd = path.resolve("test/runtime/samples", dir);
glob.sync('**/*.html', { cwd: `test/runtime/samples/${dir}` }).forEach(file => {
const resolved = require.resolve(`../runtime/samples/${dir}/${file}`);
delete require.cache[resolved];
});
const component = require(`../runtime/samples/${dir}/main.html`);
let html;
try {
html = component.render(config.data);
if (config.html) {
assert.htmlEqual(html, config.html);
}
} catch (err) {
showOutput(cwd, { generate: "ssr" });
throw err;
}
});
});
});