test: add unit test

app/utils/__tests__/model.test.ts

@@ -0,0 +1,52 @@
+import { describe, it, expect } from "vitest";
+import { parseModelName } from "../model";
+
+describe("parseModelName", () => {
+  it('should parse a simple model name without "@"', () => {
+    const result = parseModelName("simpleModel");
+    expect(result).toEqual({
+      customModelName: "simpleModel",
+      customProviderName: "",
+    });
+  });
+
+  it('should parse a model name with "@"', () => {
+    const result = parseModelName("modelName@providerName");
+    expect(result).toEqual({
+      customModelName: "modelName",
+      customProviderName: "providerName",
+    });
+  });
+
+  it('should parse a quoted model name without "@"', () => {
+    const result = parseModelName('"quotedModel"');
+    expect(result).toEqual({
+      customModelName: "quotedModel",
+      customProviderName: "quotedModel",
+    });
+  });
+
+  it('should parse a quoted model name with "@"', () => {
+    const result = parseModelName('"quotedModel@providerName"');
+    expect(result).toEqual({
+      customModelName: "quotedModel@providerName",
+      customProviderName: "quotedModel@providerName",
+    });
+  });
+
+  it('should parse a model name with multiple "@" symbols', () => {
+    const result = parseModelName("modelName@providerName@extra");
+    expect(result).toEqual({
+      customModelName: "modelName",
+      customProviderName: "providerName@extra",
+    });
+  });
+
+  it("should handle incorrect format gracefully", () => {
+    const result = parseModelName("incorrectFormat@");
+    expect(result).toEqual({
+      customModelName: "incorrectFormat",
+      customProviderName: "",
+    });
+  });
+});