From 9273df6555644ea3bca18b99769d74dc512d3e9d Mon Sep 17 00:00:00 2001
From: Ethan Lane <ethan@vylpes.com>
Date: Mon, 23 Oct 2023 13:45:56 +0100
Subject: [PATCH 1/2] Add basic CLI interface

---
 package.json |  2 ++
 src/cli.ts   |  9 +++++++++
 yarn.lock    | 14 ++++++--------
 3 files changed, 17 insertions(+), 8 deletions(-)
 create mode 100644 src/cli.ts

diff --git a/package.json b/package.json
index 0eb81d3..e1840cd 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "placeholder"
   ],
   "dependencies": {
+    "commander": "^11.1.0",
     "glob-parent": "^6.0.0",
     "got-cjs": "^12.5.4",
     "linqts": "^1.14.4"
@@ -23,6 +24,7 @@
   "scripts": {
     "build": "tsc",
     "start": "ts-node app.ts",
+    "cli": "ts-node src/cli.ts",
     "test": "jest",
     "lint": "eslint .",
     "release": "np --no-publish"
diff --git a/src/cli.ts b/src/cli.ts
new file mode 100644
index 0000000..b1311f5
--- /dev/null
+++ b/src/cli.ts
@@ -0,0 +1,9 @@
+import { Command } from "commander";
+const program = new Command();
+
+program
+    .name('random-bunny')
+    .description('Get a random image url from a subreddit of your choosing')
+    .version('2.2');
+
+program.parse();
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index a6cb3ff..086bf7a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -839,14 +839,7 @@
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.14.tgz#74a97a5573980802f32c8e47b663530ab3b6b7d1"
   integrity sha512-U3PUjAudAdJBeC2pgN8uTIKgxrb4nlDF3SF0++EldXQvQBGkpFZMSnwQiIoDU77tv45VgNkl/L4ouD+rEomujw==
 
-"@types/node@*":
-  version "20.8.7"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.8.7.tgz#ad23827850843de973096edfc5abc9e922492a25"
-  integrity sha512-21TKHHh3eUHIi2MloeptJWALuCu5H7HQTdTrWIFReA8ad+aggoX+lRes3ex7/FtpC+sVUpFMQ+QTfYr74mruiQ==
-  dependencies:
-    undici-types "~5.25.1"
-
-"@types/node@^20.0.0":
+"@types/node@*", "@types/node@^20.0.0":
   version "20.8.7"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-20.8.7.tgz#ad23827850843de973096edfc5abc9e922492a25"
   integrity sha512-21TKHHh3eUHIi2MloeptJWALuCu5H7HQTdTrWIFReA8ad+aggoX+lRes3ex7/FtpC+sVUpFMQ+QTfYr74mruiQ==
@@ -1586,6 +1579,11 @@ commander-version@^1.1.0:
     "@bconnorwhite/module" "^2.0.2"
     commander "^6.1.0"
 
+commander@^11.1.0:
+  version "11.1.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-11.1.0.tgz#62fdce76006a68e5c1ab3314dc92e800eb83d906"
+  integrity sha512-yPVavfyCcRhmorC7rWlkHn15b4wDVgVmBA7kV4QVBsF7kv/9TKJAbAXVTxvTnwP8HHKjRCJDClKbciiYS7p0DQ==
+
 commander@^6.1.0:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-6.2.1.tgz#0792eb682dfbc325999bb2b84fddddba110ac73c"
-- 
2.45.2


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 2/2] 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);
-- 
2.45.2