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