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agentic-dev/packages/core-eslint/rules/component-must-have-test.test.js
2026-05-13 07:40:40 +02:00

50 lines
1.6 KiB
JavaScript

import { describe, it } from "vitest";
import { RuleTester } from "eslint";
import path from "node:path";
import os from "node:os";
import fs from "node:fs";
import rule from "./component-must-have-test.js";
function makeFixture({ withTest }) {
const root = fs.mkdtempSync(path.join(os.tmpdir(), "cmht-"));
const dir = path.join(root, "packages", "core-ui", "src", "atoms", "Button");
fs.mkdirSync(dir, { recursive: true });
const component = path.join(dir, "Button.tsx");
fs.writeFileSync(component, `export const Button = () => <button>x</button>;`);
if (withTest) {
fs.writeFileSync(path.join(dir, "Button.test.tsx"), `import { it } from "vitest"; it("works", () => {});`);
}
return { component };
}
const tester = new RuleTester({
languageOptions: {
parser: await import("@typescript-eslint/parser"),
ecmaVersion: "latest",
sourceType: "module",
parserOptions: { ecmaFeatures: { jsx: true } },
},
});
describe("component-must-have-test", () => {
it("passes when sibling .test.tsx exists", () => {
const { component } = makeFixture({ withTest: true });
tester.run("component-must-have-test", rule, {
valid: [{ filename: component, code: fs.readFileSync(component, "utf8") }],
invalid: [],
});
});
it("fires when no sibling .test.tsx exists", () => {
const { component } = makeFixture({ withTest: false });
tester.run("component-must-have-test", rule, {
valid: [],
invalid: [{
filename: component,
code: fs.readFileSync(component, "utf8"),
errors: [{ messageId: "missingTest" }],
}],
});
});
});