chore: add test

Author: andypols

src/ui/apiBase.ts

@@ -1,8 +1,11 @@
-const strip = (s: string) => s.replace(/\/+$/, '');
+const stripTrailingSlashes = (s: string) => s.replace(/\/+$/, '');
+
 /**
  * The base URL for API requests.
  *
  * Uses the `VITE_API_URI` environment variable if set, otherwise defaults to the current origin.
  * @return {string} The base URL to use for API requests.
  */
-export const API_BASE = process.env.VITE_API_URI ? strip(process.env.VITE_API_URI) : '';
+export const API_BASE = process.env.VITE_API_URI
+  ? stripTrailingSlashes(process.env.VITE_API_URI)
+  : '';

test/ui/apiBase.test.js

@@ -0,0 +1,43 @@
+const { expect } = require('chai');
+
+// Helper to reload the module fresh each time
+function loadApiBase() {
+  delete require.cache[require.resolve('../../src/ui/apiBase')];
+  return require('../../src/ui/apiBase');
+}
+
+describe('apiBase', () => {
+  let originalEnv;
+
+  beforeEach(() => {
+    originalEnv = process.env.VITE_API_URI;
+    delete process.env.VITE_API_URI;
+    delete require.cache[require.resolve('../../src/ui/apiBase')];
+  });
+
+  afterEach(() => {
+    if (typeof originalEnv === 'undefined') {
+      delete process.env.VITE_API_URI;
+    } else {
+      process.env.VITE_API_URI = originalEnv;
+    }
+    delete require.cache[require.resolve('../../src/ui/apiBase')];
+  });
+
+  it('uses empty string when VITE_API_URI is not set', () => {
+    const { API_BASE } = loadApiBase();
+    expect(API_BASE).to.equal('');
+  });
+
+  it('returns the exact value when no trailing slash', () => {
+    process.env.VITE_API_URI = 'https://example.com';
+    const { API_BASE } = loadApiBase();
+    expect(API_BASE).to.equal('https://example.com');
+  });
+
+  it('strips trailing slashes from VITE_API_URI', () => {
+    process.env.VITE_API_URI = 'https://example.com////';
+    const { API_BASE } = loadApiBase();
+    expect(API_BASE).to.equal('https://example.com');
+  });
+});