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import { assert, assertEquals } from "./dev-deps.ts";import { decode, encode, resolve } from "./deps.ts";const { test, makeTempDir, readFile, writeFile } = Deno;
/** * testing strategy * scaffold new git repo in tmp directory for each test * run versioning commands */async function setup(config = {}) {  const projectRoot = await makeTempDir();  const projectConfig = JSON.stringify({    name: "bump",    version: "1.0.0",    replaceVersion: [      "README.md",    ],    deno: {      version: "1.0.0",    },    ...config,  });  const readme = "https://denopkg.com/iamnathanj/bump@v1.0.0/cli.ts";
  await writeFile(`${projectRoot}/project.json`, encode(projectConfig));  await writeFile(`${projectRoot}/README.md`, encode(readme));  await run("git init");  await run("git config user.name testuser");  await run("git config user.email testuser@test.com");  await run("git config commit.gpgsign false");  await run("git add .");  await run("git commit -m 'initial'");
  async function run(args: string) {    const cmd = Deno.run({      cwd: projectRoot,      cmd: args.split(" "),      stdout: "piped",      stderr: "piped",    });
    const status = await cmd.status();    const stdout = decode(await cmd.output());    const stderr = decode(await cmd.stderrOutput());
    cmd.close();
    return { status, stdout, stderr };  }
  async function bump(args: string) {    return run(      `deno run --allow-read --allow-write --allow-run ${        resolve(          "./cli.ts",        )      } ${args}`,    );  }
  async function cleanup() {    const cmd = Deno.run({      cmd: ["rm", "-rf", projectRoot],      stdout: "piped",      stderr: "piped",    });    await cmd.status();    cmd.stdout?.close();    cmd.stderr?.close();    cmd.close();  }
  return { projectRoot, run, bump, cleanup };}
test("won't run on a dirty working tree", async () => {  const { run, bump, cleanup } = await setup();  await run("touch newfile.txt");
  const { stderr } = await bump("major");
  assert(stderr.includes("git working tree not clean"));  await cleanup();});
test("won't recreate an exisiting version", async () => {  const { run, bump, cleanup } = await setup();  await run("git tag v2.0.0");
  const { stderr } = await bump("major");
  assert(stderr.includes("version already exists"));  await cleanup();});
test("major", async () => {  const { projectRoot, bump, cleanup } = await setup();
  await bump("major");  const config = JSON.parse(    decode(await readFile(`${projectRoot}/project.json`)),  );
  assertEquals(config.version, "2.0.0");  await cleanup();});
test("minor", async () => {  const { projectRoot, bump, cleanup } = await setup();
  await bump("minor");  const config = JSON.parse(    decode(await readFile(`${projectRoot}/project.json`)),  );
  assertEquals(config.version, "1.1.0");  await cleanup();});
test("patch", async () => {  const { projectRoot, bump, cleanup } = await setup();
  await bump("patch");  const config = JSON.parse(    decode(await readFile(`${projectRoot}/project.json`)),  );
  assertEquals(config.version, "1.0.1");  await cleanup();});
// todo test("explicit version", () => {});
test("replaces version string in files", async () => {  const { projectRoot, bump, cleanup } = await setup();
  await bump("major");  const readme = decode(await readFile(`${projectRoot}/README.md`));
  assert(!readme.includes("bump@v1.0.0"));  assert(readme.includes("bump@v2.0.0"));  await cleanup();});
test("creates a new commit", async () => {  const { run, bump, cleanup } = await setup();
  await bump("minor");  const { stdout } = await run("git log --oneline");
  assert(stdout.includes("release: bump@v1.1.0"));  await cleanup();});
test("creates a new tag", async () => {  const { run, bump, cleanup } = await setup();
  await bump("minor");  const { stdout } = await run("git tag --list v1.1.0");
  assert(stdout.includes("v1.1.0"));  await cleanup();});