Adds unit tests

1 files changed, 43 insertions, 0 deletions

diff --git a/tst/debug.test.ts b/tst/debug.test.ts
new file mode 100644
index 0000000..c4274c9
--- /dev/null
+++ b/tst/debug.test.ts
@@ -0,0 +1,43 @@
+describe('leftpadesque/debug', () => {
+    const originalEnv = process.env;
+
+    beforeEach(() => {
+        process.env = { ...originalEnv };
+    });
+
+    afterAll(() => {
+        process.env = originalEnv;
+    });
+
+    const load = async () => {
+        jest.resetModules();
+        return await import('../lib/leftpadesque/debug');
+    };
+
+    test('prod env disables debug by default', async () => {
+        process.env.ENVIRONMENT = 'prod';
+        delete process.env.DEBUG;
+
+        const dbg = await load();
+        expect(dbg.isProd()).toBe(true);
+        expect(dbg.isDebug()).toBe(false);
+    });
+
+    test('DEBUG=y enables debug even in prod', async () => {
+        process.env.ENVIRONMENT = 'production';
+        process.env.DEBUG = 'y';
+
+        const dbg = await load();
+        expect(dbg.isProd()).toBe(true);
+        expect(dbg.isDebug()).toBe(true);
+    });
+
+    test('dev env always enables debug', async () => {
+        delete process.env.ENVIRONMENT;
+        delete process.env.DEBUG;
+
+        const dbg = await load();
+        expect(dbg.isProd()).toBe(false);
+        expect(dbg.isDebug()).toBe(true);
+    });
+});