From 666674327f009e9b1013218fc384f193b64c6997 Mon Sep 17 00:00:00 2001
From: Elizabeth Hunt <me@liz.coffee>
Date: Sun, 14 Dec 2025 22:39:18 -0800
Subject: Adds unit tests

---
 tst/env.test.ts | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 tst/env.test.ts

(limited to 'tst/env.test.ts')

diff --git a/tst/env.test.ts b/tst/env.test.ts
new file mode 100644
index 0000000..0fd7f5a
--- /dev/null
+++ b/tst/env.test.ts
@@ -0,0 +1,32 @@
+import { getEnv, getRequiredEnv, getRequiredEnvVars } from '../lib/index';
+
+describe('process/env', () => {
+    const originalEnv = process.env;
+
+    beforeEach(() => {
+        process.env = { ...originalEnv };
+    });
+
+    afterAll(() => {
+        process.env = originalEnv;
+    });
+
+    test('getEnv returns optional when present', () => {
+        process.env.MY_VAR = 'hello';
+        expect(getEnv('MY_VAR').get()).toBe('hello');
+    });
+
+    test('getRequiredEnv returns left when missing', () => {
+        delete process.env.MISSING;
+        const res = getRequiredEnv('MISSING');
+        expect(res.left().get().message).toMatch(/environment variable "MISSING" is required/);
+    });
+
+    test('getRequiredEnvVars collects required variables', () => {
+        process.env.A = '1';
+        process.env.B = '2';
+
+        const res = getRequiredEnvVars(['A', 'B'] as const);
+        expect(res.right().get()).toEqual({ A: '1', B: '2' });
+    });
+});
-- 
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