test: migrate suites to e2e coverage layout

src/commands/configure.gateway-auth.e2e.test.ts

@@ -0,0 +1,85 @@
+import { describe, expect, it } from "vitest";
+import { buildGatewayAuthConfig } from "./configure.js";
+
+describe("buildGatewayAuthConfig", () => {
+  it("preserves allowTailscale when switching to token", () => {
+    const result = buildGatewayAuthConfig({
+      existing: {
+        mode: "password",
+        password: "secret",
+        allowTailscale: true,
+      },
+      mode: "token",
+      token: "abc",
+    });
+
+    expect(result).toEqual({ mode: "token", token: "abc", allowTailscale: true });
+  });
+
+  it("drops password when switching to token", () => {
+    const result = buildGatewayAuthConfig({
+      existing: {
+        mode: "password",
+        password: "secret",
+        allowTailscale: false,
+      },
+      mode: "token",
+      token: "abc",
+    });
+
+    expect(result).toEqual({
+      mode: "token",
+      token: "abc",
+      allowTailscale: false,
+    });
+  });
+
+  it("drops token when switching to password", () => {
+    const result = buildGatewayAuthConfig({
+      existing: { mode: "token", token: "abc" },
+      mode: "password",
+      password: "secret",
+    });
+
+    expect(result).toEqual({ mode: "password", password: "secret" });
+  });
+
+  it("generates random token when token param is undefined", () => {
+    const result = buildGatewayAuthConfig({
+      mode: "token",
+      token: undefined,
+    });
+
+    expect(result?.mode).toBe("token");
+    expect(result?.token).toBeDefined();
+    expect(result?.token).not.toBe("undefined");
+    expect(typeof result?.token).toBe("string");
+    expect(result?.token?.length).toBeGreaterThan(0);
+  });
+
+  it("generates random token when token param is empty string", () => {
+    const result = buildGatewayAuthConfig({
+      mode: "token",
+      token: "",
+    });
+
+    expect(result?.mode).toBe("token");
+    expect(result?.token).toBeDefined();
+    expect(result?.token).not.toBe("undefined");
+    expect(typeof result?.token).toBe("string");
+    expect(result?.token?.length).toBeGreaterThan(0);
+  });
+
+  it("generates random token when token param is whitespace only", () => {
+    const result = buildGatewayAuthConfig({
+      mode: "token",
+      token: "   ",
+    });
+
+    expect(result?.mode).toBe("token");
+    expect(result?.token).toBeDefined();
+    expect(result?.token).not.toBe("undefined");
+    expect(typeof result?.token).toBe("string");
+    expect(result?.token?.length).toBeGreaterThan(0);
+  });
+});