test: Add custom CLI for better test scenarios

package.json

@@ -23,8 +23,12 @@
   "devDependencies": {
     "@changesets/cli": "^2.29.4",
     "@types/node": "^22.14.1",
+    "@clack/prompts": "^0.11.0",
+    "@types/yargs": "^17.0.33",
+    "standard-version": "^9.5.0",
     "typescript": "^5.8.3",
     "vite": "^6.3.2",
-    "vitest": "^3.1.1"
+    "vitest": "^3.1.1",
+    "yargs": "^18.0.0"
   }
 }

packages/clifty/test/inOut.test.ts

@@ -0,0 +1,16 @@
+import { describe, it, expect } from "vitest";
+import { KEYS, withEnv } from "../src";
+
+describe("Simple input and output", () => {
+  it("exits with a success code", async () => {
+    const result = await withEnv({})
+      .defineInteraction()
+      .expectOutput("This is a simple flow for testing input and output")
+      .whenAsked("What is your name?")
+      .respondWith("John", KEYS.ENTER)
+      .expectOutput("Hello John")
+      .run("node test/testcli/bin.mjs inOut");
+
+    expect(result).toBe(0);
+  });
+});

packages/clifty/test/npm.test.ts

@@ -190,60 +190,60 @@ describe("NPM init with steps in defineInteraction", async () => {
   });
 });
 
-// describe.skip("NPM help", async () => {
-//   const tmpDir = tmpdir();
-
-//   const exitCode = await withEnv({
-//     cwd: tmpDir,
-//   })
-//     .defineInteraction()
-//     .expectOutput(
-//       `npm <command>
-
-// Usage:
-
-// npm install        install all the dependencies in your project
-// npm install <foo>  add the <foo> dependency to your project
-// npm test           run this project's tests
-// npm run <foo>      run the script named <foo>
-// npm <command> -h   quick help on <command>
-// npm -l             display usage info for all commands
-// npm help <term>    search for help on <term>
-// npm help npm       more involved overview
-
-// All commands:
-
-//     access, adduser, audit, bugs, cache, ci, completion,
-//     config, dedupe, deprecate, diff, dist-tag, docs, doctor,
-//     edit, exec, explain, explore, find-dupes, fund, get, help,
-//     help-search, hook, init, install, install-ci-test,
-//     install-test, link, ll, login, logout, ls, org, outdated,
-//     owner, pack, ping, pkg, prefix, profile, prune, publish,
-//     query, rebuild, repo, restart, root, run-script, sbom,
-//     search, set, shrinkwrap, star, stars, start, stop, team,
-//     test, token, uninstall, unpublish, unstar, update, version,
-//     view, whoami`
-//     )
-//     .run("npm --help");
-
-//   it("terminates with error", () => {
-//     // interestingly, npm --help terminates with an error code (TIL)
-//     expect(exitCode).toBe(1);
-//   });
-// });
-
-// describe.skip("NPM version", async () => {
-//   const tmpDir = tmpdir();
-
-//   const exitCode = await withEnv({
-//     cwd: tmpDir,
-//   })
-//     .defineInteraction(({ expectOutput }) => {
-//       expectOutput("10");
-//     })
-//     .run("npm --version");
-
-//   it("terminates successfully", () => {
-//     expect(exitCode).toBe(0);
-//   });
-// });
+describe("NPM help", async () => {
+  const tmpDir = tmpdir();
+
+  const exitCode = await withEnv({
+    cwd: tmpDir,
+  })
+    .defineInteraction()
+    .expectOutput(
+      `npm <command>
+
+Usage:
+
+npm install        install all the dependencies in your project
+npm install <foo>  add the <foo> dependency to your project
+npm test           run this project's tests
+npm run <foo>      run the script named <foo>
+npm <command> -h   quick help on <command>
+npm -l             display usage info for all commands
+npm help <term>    search for help on <term>
+npm help npm       more involved overview
+
+All commands:
+
+    access, adduser, audit, bugs, cache, ci, completion,
+    config, dedupe, deprecate, diff, dist-tag, docs, doctor,
+    edit, exec, explain, explore, find-dupes, fund, get, help,
+    help-search, hook, init, install, install-ci-test,
+    install-test, link, ll, login, logout, ls, org, outdated,
+    owner, pack, ping, pkg, prefix, profile, prune, publish,
+    query, rebuild, repo, restart, root, run-script, sbom,
+    search, set, shrinkwrap, star, stars, start, stop, team,
+    test, token, uninstall, unpublish, unstar, update, version,
+    view, whoami`
+    )
+    .run("npm --help");
+
+  it("terminates with error", () => {
+    // interestingly, npm --help terminates with an error code (TIL)
+    expect(exitCode).toBe(1);
+  });
+});
+
+describe("NPM version", async () => {
+  const tmpDir = tmpdir();
+
+  const exitCode = await withEnv({
+    cwd: tmpDir,
+  })
+    .defineInteraction(({ expectOutput }) => {
+      expectOutput("10");
+    })
+    .run("npm --version");
+
+  it("terminates successfully", () => {
+    expect(exitCode).toBe(0);
+  });
+});

packages/clifty/test/testcli/bin.mjs

@@ -0,0 +1,12 @@
+import yargs from "yargs";
+import { execute as executeInOut } from "./inOut.mjs";
+
+yargs(process.argv.slice(2))
+  .command("inOut", "test input and output", () => {
+    executeInOut();
+  })
+  .parse();
+
+// executeInOut();
+
+// console.log(args);

packages/clifty/test/testcli/inOut.mjs

@@ -0,0 +1,19 @@
+import * as clack from "@clack/prompts";
+
+export async function execute(args) {
+  clack.intro("InOut");
+  clack.note("This is a simple flow for testing input and output");
+
+  const name = await clack.text({
+    message: "What is your name?",
+    placeholder: "Enter your name",
+  });
+
+  if (clack.isCancel(name)) {
+    clack.cancel("Goodbye");
+  }
+
+  clack.log.success(`Hello ${name}`);
+
+  clack.outro("Goodbye");
+}