Check username validity in the FakeAuthPolicyClient

chromeos/dbus/fake_auth_policy_client_unittest.cc

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chromeos/dbus/fake_auth_policy_client.h"
+
+#include "base/bind.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+namespace {
+
+const char kCorrectMachineName[] = "machine_name";
+const char kCorrectUserName[] = "user@realm.com";
+
+void JoinAdCallback(const std::string& machine_name,
+                    const std::string& user_principal_name,
+                    authpolicy::ErrorType expected,
+                    authpolicy::ErrorType actual) {
+  EXPECT_EQ(expected, actual) << "with machine name: " << machine_name
+                              << ", and user name: " << user_principal_name;
+}
+
+void TestDomainJoin(const std::string& machine_name,
+                    const std::string& user_principal_name,
+                    authpolicy::ErrorType expected) {
+  FakeAuthPolicyClient client;
+  client.JoinAdDomain(
+      machine_name, user_principal_name, /* password_fd */ -1,
+      base::Bind(&JoinAdCallback, machine_name, user_principal_name, expected));
+}
+
+}  // namespace
+
+// Tests parsing machine name.
+TEST(FakeAuthPolicyClientTest, JoinAdDomain_ParseMachineName) {
+  TestDomainJoin("correct_length1", kCorrectUserName, authpolicy::ERROR_NONE);
+  TestDomainJoin("", kCorrectUserName, authpolicy::ERROR_BAD_MACHINE_NAME);
+  TestDomainJoin("too_long_machine_name ", kCorrectUserName,
+                 authpolicy::ERROR_MACHINE_NAME_TOO_LONG);
+  TestDomainJoin("invalid:name", kCorrectUserName,
+                 authpolicy::ERROR_BAD_MACHINE_NAME);
+  TestDomainJoin(">nvalidname", kCorrectUserName,
+                 authpolicy::ERROR_BAD_MACHINE_NAME);
+}
+
+// Tests parsing user name.
+TEST(FakeAuthPolicyClientTest, JoinAdDomain_ParseUPN) {
+  TestDomainJoin(kCorrectMachineName, "user@realm.com", authpolicy::ERROR_NONE);
+  TestDomainJoin(kCorrectMachineName, "user",
+                 authpolicy::ERROR_PARSE_UPN_FAILED);
+  TestDomainJoin(kCorrectMachineName, "", authpolicy::ERROR_PARSE_UPN_FAILED);
+  TestDomainJoin(kCorrectMachineName, "user@",
+                 authpolicy::ERROR_PARSE_UPN_FAILED);
+  TestDomainJoin(kCorrectMachineName, "@realm",
+                 authpolicy::ERROR_PARSE_UPN_FAILED);
+  TestDomainJoin(kCorrectMachineName, "user@realm@com",
+                 authpolicy::ERROR_PARSE_UPN_FAILED);
+}
+
+}  // namespace chromeos