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svelte/test/validator/index.js

109 lines
2.8 KiB

import * as fs from "fs";
import * as assert from "assert";
import { svelte, loadConfig, tryToLoadJson } from "../helpers.js";
describe("validate", () => {
fs.readdirSync("test/validator/samples").forEach(dir => {
if (dir[0] === ".") return;
// add .solo to a sample directory name to only run that test
const solo = /\.solo/.test(dir);
const skip = /\.skip/.test(dir);
if (solo && process.env.CI) {
throw new Error("Forgot to remove `solo: true` from test");
}
(solo ? it.only : skip ? it.skip : it)(dir, () => {
const config = loadConfig(`./validator/samples/${dir}/_config.js`);
const input = fs.readFileSync(`test/validator/samples/${dir}/input.html`, "utf-8").replace(/\s+$/, "");
const expectedWarnings = tryToLoadJson(`test/validator/samples/${dir}/warnings.json`) || [];
const expectedErrors = tryToLoadJson(`test/validator/samples/${dir}/errors.json`);
let error;
try {
const warnings = [];
const { stats } = svelte.compile(input, {
onwarn(warning) {
const { code, message, pos, start, end } = warning;
warnings.push({ code, message, pos, start, end });
},
dev: config.dev,
legacy: config.legacy,
generate: false
});
assert.equal(stats.warnings.length, warnings.length);
stats.warnings.forEach((full, i) => {
const lite = warnings[i];
assert.deepEqual({
code: full.code,
message: full.message,
pos: full.pos,
start: full.start,
end: full.end
}, lite);
});
assert.deepEqual(warnings, expectedWarnings);
} catch (e) {
error = e;
}
const expected = expectedErrors && expectedErrors[0];
if (error || expected) {
if (error && !expected) {
throw error;
}
if (expected && !error) {
throw new Error(`Expected an error: ${expected.message}`);
}
assert.equal(error.code, expected.code);
assert.equal(error.message, expected.message);
assert.deepEqual(error.start, expected.start);
assert.deepEqual(error.end, expected.end);
assert.equal(error.pos, expected.pos);
}
});
});
it("errors if options.name is illegal", () => {
assert.throws(() => {
svelte.compile("<div></div>", {
name: "not.valid",
generate: false
});
}, /options\.name must be a valid identifier/);
});
it("warns if options.name is not capitalised", () => {
const { stats } = svelte.compile("<div></div>", {
name: "lowercase",
generate: false
});
assert.deepEqual(stats.warnings.map(w => ({
code: w.code,
message: w.message
})), [{
code: `options-lowercase-name`,
message: "options.name should be capitalised"
}]);
});
it("does not warn if options.name begins with non-alphabetic character", () => {
const { stats } = svelte.compile("<div></div>", {
name: "_",
generate: false
});
assert.deepEqual(stats.warnings, []);
});
});