testClassEditedAlone

tcmts.cli.test.e2e.cycles.testClassEditedAlone · #do7arhe4 · term

One member of a cycle with a class is edited alone, though alone it wouldn't check: the class has private state.

import { okIn, tempDir } from "#codebase/tcmts/cli/test/e2e/harness";
import assert from "node:assert/strict";
import fs from "node:fs";
import path from "node:path";

export const testClassEditedAlone = () => {
  const dir = tempDir("cycles");
  const ok = (...args: string[]) => okIn(dir, ...args);
  ok("init");
  fs.writeFileSync(path.join(dir, "scratch.ts"), `// tcm: namespace shop\nexport class Counter {\n  #n = 0;\n  bump(): number {\n    this.#n++;\n    report(this);\n    return this.#n;\n  }\n  get count(): number {\n    return this.#n;\n  }\n}\nexport function report(c: Counter): void {\n  console.log("at", c.count);\n}\n`);
  ok("add");
  ok("edit", "--force", "shop.Counter");
  const file = path.join(dir, "scratch.ts");
  assert.doesNotMatch(fs.readFileSync(file, "utf8"), /function report/);
  fs.writeFileSync(file, fs.readFileSync(file, "utf8").replace("this.#n++;", "this.#n += 2;"));
  assert.match(ok("update"), /with shop\.report[\s\S]*~ update +shop\.Counter[\s\S]*~ update +shop\.report/);
  fs.writeFileSync(file, `import { Counter } from "#codebase/shop";\nexport const main = () => new Counter().bump();\n`);
  ok("add");
  assert.equal(ok("run", "main"), "at 2\n2\n");
}

testClassEditedAlone

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