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svelte/test/validator/index.js

102 lines
2.6 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);
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const skip = /\.skip/.test(dir);
if (solo && process.env.CI) {
throw new Error("Forgot to remove `solo: true` from test");
}
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(solo ? it.only : skip ? it.skip : it)(dir, () => {
const config = loadConfig(`./validator/samples/${dir}/_config.js`);
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const input = fs.readFileSync(`test/validator/samples/${dir}/input.svelte`, "utf-8").replace(/\s+$/, "");
const expected_warnings = tryToLoadJson(`test/validator/samples/${dir}/warnings.json`) || [];
const expected_errors = tryToLoadJson(`test/validator/samples/${dir}/errors.json`);
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let error;
try {
let { warnings } = svelte.compile(input, {
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dev: config.dev,
legacy: config.legacy,
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generate: false
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});
assert.deepEqual(warnings.map(w => ({
code: w.code,
message: w.message,
pos: w.pos,
start: w.start,
end: w.end
})), expected_warnings);
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} catch (e) {
error = e;
}
const expected = expected_errors && expected_errors[0];
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if (error || expected) {
if (error && !expected) {
throw error;
}
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if (expected && !error) {
throw new Error(`Expected an error: ${expected.message}`);
}
try {
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);
} catch (e) {
console.error(error)
throw e;
}
}
});
});
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/);
});
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it("warns if options.name is not capitalised", () => {
const { warnings } = svelte.compile("<div></div>", {
name: "lowercase",
generate: false
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});
assert.deepEqual(warnings.map(w => ({
code: w.code,
message: w.message
})), [{
code: `options-lowercase-name`,
message: "options.name should be capitalised"
}]);
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});
it("does not warn if options.name begins with non-alphabetic character", () => {
const { warnings } = svelte.compile("<div></div>", {
name: "_",
generate: false
});
assert.deepEqual(warnings, []);
});
});