test: add unit and e2e tests for bulk user creation and schema validation

adminfront/src/features/users/utils/csvParser.test.ts

@@ -0,0 +1,46 @@
+import { describe, expect, it } from "vitest";
+import { parseUserCSV } from "./csvParser";
+
+describe("parseUserCSV", () => {
+  it("should parse valid CSV correctly", () => {
+    const csv = `email,name,phone,role,companyCode,department,emp_id
+user1@test.com,Hong Gil Dong,010-1111-2222,user,baron,HR,E001
+user2@test.com,Kim Cheol Su,,admin,baron,IT,E002`;
+
+    const result = parseUserCSV(csv);
+
+    expect(result).toHaveLength(2);
+    expect(result[0]).toEqual({
+      email: "user1@test.com",
+      name: "Hong Gil Dong",
+      phone: "010-1111-2222",
+      role: "user",
+      companyCode: "baron",
+      department: "HR",
+      metadata: {
+        emp_id: "E001",
+      },
+    });
+    expect(result[1].email).toBe("user2@test.com");
+    expect(result[1].metadata.emp_id).toBe("E002");
+  });
+
+  it("should return empty array for empty input", () => {
+    expect(parseUserCSV("")).toEqual([]);
+  });
+
+  it("should skip rows without email or name", () => {
+    const csv = `email,name
+,Only Name
+no-name@test.com,`;
+    expect(parseUserCSV(csv)).toHaveLength(0);
+  });
+
+  it("should handle mixed case headers", () => {
+    const csv = `EMAIL,Name,CompanyCode
+test@test.com,Test,baron`;
+    const result = parseUserCSV(csv);
+    expect(result[0].email).toBe("test@test.com");
+    expect(result[0].companyCode).toBe("baron");
+  });
+});