SnowLuma v2.4.2 source snapshot

packages/common/tests/env.test.ts

@@ -0,0 +1,34 @@
+import { describe, expect, it } from 'vitest';
+import { positiveIntEnv } from '../src/env';
+
+describe('positiveIntEnv', () => {
+    it('returns the fallback when the variable is absent or blank', () => {
+        expect(positiveIntEnv('SNOWLUMA_TEST_INT', 15, { env: {} })).toBe(15);
+        expect(positiveIntEnv('SNOWLUMA_TEST_INT', 15, { env: { SNOWLUMA_TEST_INT: '  ' } })).toBe(
+            15,
+        );
+    });
+
+    it('reads a positive integer and honors the max', () => {
+        expect(
+            positiveIntEnv('SNOWLUMA_TEST_INT', 15, { env: { SNOWLUMA_TEST_INT: '2500' } }),
+        ).toBe(2500);
+        expect(
+            positiveIntEnv('SNOWLUMA_TEST_INT', 15, {
+                max: 65535,
+                env: { SNOWLUMA_TEST_INT: '80' },
+            }),
+        ).toBe(80);
+    });
+
+    it('ignores zero, negatives, fractions, and values above the max', () => {
+        for (const raw of ['0', '-5', '1.5', 'nope', '70000']) {
+            expect(
+                positiveIntEnv('SNOWLUMA_TEST_INT', 15, {
+                    max: 65535,
+                    env: { SNOWLUMA_TEST_INT: raw },
+                }),
+            ).toBe(15);
+        }
+    });
+});