Enable client certificate patterns in device ONC policy

chromeos/cert_loader_unittest.cc

Index: chromeos/cert_loader_unittest.cc
diff --git a/chromeos/cert_loader_unittest.cc b/chromeos/cert_loader_unittest.cc
index 6056f7675e849259dffeb2571fe9f4d9b6715198..7ab6b7a65cd3436df4fa277f372fca871d63eaa1 100644
--- a/chromeos/cert_loader_unittest.cc
+++ b/chromeos/cert_loader_unittest.cc
@@ -45,7 +45,8 @@ class TestNSSCertDatabase : public net::NSSCertDatabaseChromeOS {
                                 std::move(private_slot)) {}
   ~TestNSSCertDatabase() override {}
 
-  void NotifyOfCertAdded(const net::X509Certificate* cert) {
+  // Make this method visible in the public interface.
+  void NotifyObserversCertDBChanged() {
     NSSCertDatabaseChromeOS::NotifyObserversCertDBChanged();
   }
 };
@@ -63,6 +64,7 @@ class CertLoaderTest : public testing::Test,
 
     CertLoader::Initialize();
     cert_loader_ = CertLoader::Get();
+    cert_loader_->SetSlowTaskRunnerForTest(message_loop_.task_runner());
     cert_loader_->AddObserver(this);
   }
 
@@ -80,6 +82,17 @@ class CertLoaderTest : public testing::Test,
     GetAndResetCertificatesLoadedEventsCount();
   }
 
+  // Starts the cert loader with a primary cert database which has access to the
+  // system token.
+  void StartCertLoaderWithPrimaryDBAndSystemToken() {
+    CreateCertDatabase(&primary_db_, &primary_certdb_);
+    AddSystemToken(primary_certdb_.get());
+    cert_loader_->StartWithNSSDB(primary_certdb_.get());
+
+    base::RunLoop().RunUntilIdle();
+    GetAndResetCertificatesLoadedEventsCount();
+  }
+
   // CertLoader::Observer:
   // The test keeps count of times the observer method was called.
   void OnCertificatesLoaded(const net::CertificateList& cert_list,
@@ -125,17 +138,27 @@ class CertLoaderTest : public testing::Test,
     ASSERT_TRUE(failed.empty());
   }
 
+  // Import a client cert and key into a PKCS11 slot. Then notify
+  // |database_to_notify| (which is presumably using that slot) that new
+  // certificates are available.
   scoped_refptr<net::X509Certificate> ImportClientCertAndKey(
-      TestNSSCertDatabase* database) {
+      TestNSSCertDatabase* database_to_notify,
+      PK11SlotInfo* slot_to_use) {
     // Import a client cert signed by that CA.
     scoped_refptr<net::X509Certificate> client_cert(
         net::ImportClientCertAndKeyFromFile(net::GetTestCertsDirectory(),
                                             "client_1.pem", "client_1.pk8",
-                                            database->GetPrivateSlot().get()));
-    database->NotifyOfCertAdded(client_cert.get());
+                                            slot_to_use));
+    database_to_notify->NotifyObserversCertDBChanged();
     return client_cert;
   }
 
+  // Import a client cert into |database|'s private slot.
+  scoped_refptr<net::X509Certificate> ImportClientCertAndKey(
+      TestNSSCertDatabase* database) {
+    return ImportClientCertAndKey(database, database->GetPrivateSlot().get());
+  }
+
   CertLoader* cert_loader_;
 
   // The user is primary as the one whose certificates CertLoader handles, it
@@ -144,9 +167,19 @@ class CertLoaderTest : public testing::Test,
   crypto::ScopedTestNSSDB primary_db_;
   std::unique_ptr<TestNSSCertDatabase> primary_certdb_;
 
+  // Additional NSS DB simulating the system token.
+  crypto::ScopedTestNSSDB system_db_;
+
   base::MessageLoop message_loop_;
 
  private:
+  // Adds the PKCS11 slot from |system_db_| to |certdb| as system slot.
+  void AddSystemToken(TestNSSCertDatabase* certdb) {
+    ASSERT_TRUE(system_db_.is_open());
+    certdb->SetSystemSlot(
+        crypto::ScopedPK11Slot(PK11_ReferenceSlot(system_db_.slot())));
+  }
+
   size_t certificates_loaded_events_count_;
 };
 
@@ -225,6 +258,23 @@ TEST_F(CertLoaderTest, ClientLoaderUpdateOnNewClientCert) {
   EXPECT_TRUE(IsCertInCertificateList(cert.get(), cert_loader_->cert_list()));
 }
 
+TEST_F(CertLoaderTest, ClientLoaderUpdateOnNewClientCertInSystemToken) {
+  StartCertLoaderWithPrimaryDBAndSystemToken();
+
+  EXPECT_TRUE(cert_loader_->system_cert_list().empty());
+  scoped_refptr<net::X509Certificate> cert(ImportClientCertAndKey(
+      primary_certdb_.get(), primary_certdb_->GetSystemSlot().get()));
+
+  ASSERT_EQ(0U, GetAndResetCertificatesLoadedEventsCount());
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(1U, GetAndResetCertificatesLoadedEventsCount());
+
+  EXPECT_TRUE(IsCertInCertificateList(cert.get(), cert_loader_->cert_list()));
+  EXPECT_EQ(1U, cert_loader_->system_cert_list().size());
+  EXPECT_TRUE(
+      IsCertInCertificateList(cert.get(), cert_loader_->system_cert_list()));
+}
+
 TEST_F(CertLoaderTest, CertLoaderNoUpdateOnNewClientCertInSecondaryDb) {
   crypto::ScopedTestNSSDB secondary_db;
   std::unique_ptr<TestNSSCertDatabase> secondary_certdb;