Add unit test for bifrostVirtualKey preserve-on-edit

Author: TheGreatAxios

src/config/providers.test.ts

@@ -0,0 +1,54 @@
+import { describe, expect, test } from "bun:test";
+
+import type { ProviderCatalogEntry } from "./index.js";
+import { buildProviderEntry } from "./providers.js";
+
+const baseCatalog: ProviderCatalogEntry[] = [
+  {
+    name: "bf",
+    baseURL: "http://localhost:8080/v1",
+    apiKey: "sk-bf-existing",
+    models: ["m1"],
+    bifrostVirtualKey: true,
+  },
+  {
+    name: "openai",
+    baseURL: "https://api.openai.com/v1",
+    apiKey: "sk-openai",
+    models: ["gpt-4o"],
+  },
+];
+
+describe("buildProviderEntry bifrostVirtualKey preserve-on-edit", () => {
+  test("keeps existing bifrostVirtualKey when submission omits the flag", () => {
+    const result = buildProviderEntry(
+      {
+        name: "bf",
+        originalName: "bf",
+        baseURL: "http://localhost:8080/v1",
+        models: ["m1", "m2"],
+      },
+      baseCatalog,
+    );
+
+    expect(result.ok).toBe(true);
+    if (!result.ok) return;
+    expect(result.entry.bifrostVirtualKey).toBe(true);
+  });
+
+  test("omits bifrostVirtualKey when existing entry has no flag", () => {
+    const result = buildProviderEntry(
+      {
+        name: "openai",
+        originalName: "openai",
+        baseURL: "https://api.openai.com/v1",
+        models: ["gpt-4o-mini"],
+      },
+      baseCatalog,
+    );
+
+    expect(result.ok).toBe(true);
+    if (!result.ok) return;
+    expect(result.entry.bifrostVirtualKey).toBeUndefined();
+  });
+});