From 565c290e7cf2f891dec0517b9da9196ed071c71e Mon Sep 17 00:00:00 2001
From: Ethan Lane <ethan@vylpes.com>
Date: Mon, 23 Oct 2023 14:04:30 +0100
Subject: [PATCH] Add tests for cli

---
 tests/cli.test.ts   | 54 +++++++++++++++++++++++++++++++++++++++++++++
 tests/index.test.ts |  2 +-
 2 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 tests/cli.test.ts

diff --git a/tests/cli.test.ts b/tests/cli.test.ts
new file mode 100644
index 0000000..efa1b8d
--- /dev/null
+++ b/tests/cli.test.ts
@@ -0,0 +1,54 @@
+import { exec } from "child_process";
+import path from "path";
+
+describe('version', () => {
+    test('GIVEN -V flag is supplied, EXPECT version returned', async () => {
+        const result = await cli(['-V'], '.');
+
+        expect(result.code).toBe(0);
+        expect(result.stdout).toBe('2.2\n');
+    });
+
+    test('GIVEN --version is supplied, EXPECT version returned', async () => {
+        const result = await cli(['--version'], '.');
+
+        expect(result.code).toBe(0);
+        expect(result.stdout).toBe('2.2\n');
+    });
+});
+
+describe('help', () => {
+    test('GIVEN -h is supplied, EXPECT help returned', async () => {
+        const result = await cli(['-h'], '.');
+
+        expect(result.code).toBe(0);
+        expect(result.stdout.split('\n')[0]).toBe('Usage: random-bunny [options]');
+    });
+
+    test('GIVEN --help is supplied, EXPECT help returned', async () => {
+        const result = await cli(['--help'], '.');
+
+        expect(result.code).toBe(0);
+        expect(result.stdout.split('\n')[0]).toBe('Usage: random-bunny [options]');
+    });
+})
+
+function cli(args: string[], cwd: string): Promise<cliResult> {
+    return new Promise(resolve => {
+        exec(`node ${path.resolve('./dist/cli.js')} ${args.join(' ')}`,
+        { cwd },
+        (error, stdout, stderr) => { resolve({
+            code: error && error.code ? error.code : 0,
+            error,
+            stdout,
+            stderr });
+        });
+    });
+}
+
+interface cliResult {
+    code: number,
+    error: any,
+    stdout: string,
+    stderr: string,
+}
\ No newline at end of file
diff --git a/tests/index.test.ts b/tests/index.test.ts
index 2fb1a14..302fd1d 100644
--- a/tests/index.test.ts
+++ b/tests/index.test.ts
@@ -1,7 +1,7 @@
 import { ErrorCode } from "../src/constants/ErrorCode";
 import ErrorMessages from "../src/constants/ErrorMessages";
 import randomBunny from "../src/index";
-import fetch, { CancelableRequest } from "got-cjs";
+import fetch from "got-cjs";
 
 jest.mock('got-cjs');
 const fetchMock = jest.mocked(fetch);