📰 The Status card reports disabled sync states

components/ntp_snippets/ntp_snippets_status_service_unittest.cc

+// Copyright 2016 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 "components/ntp_snippets/ntp_snippets_status_service.h"
+
+#include <memory>
+
+#include "components/ntp_snippets/ntp_snippets_test_utils.h"
+#include "components/prefs/pref_registry_simple.h"
+#include "components/prefs/testing_pref_service.h"
+#include "components/signin/core/browser/account_tracker_service.h"
+#include "components/signin/core/browser/fake_signin_manager.h"
+#include "components/signin/core/browser/test_signin_client.h"
+#include "components/signin/core/common/signin_pref_names.h"
+#include "components/sync_driver/fake_sync_service.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using testing::Return;
+
+namespace ntp_snippets {
+
+class NTPSnippetsStatusServiceTest : public test::NTPSnippetsTestBase {
+ public:
+  void SetUp() override {
+    test::NTPSnippetsTestBase::SetUp();
+
+    service_.reset(new NTPSnippetsStatusService(fake_signin_manager(),
+                                                mock_sync_service()));
+  }
+
+ protected:
+  NTPSnippetsStatusService* service() { return service_.get(); }
+
+ private:
+  std::unique_ptr<NTPSnippetsStatusService> service_;
+};
+
+TEST_F(NTPSnippetsStatusServiceTest, SyncStateCompatibility) {
+  // The default test setup is signed out.
+  EXPECT_EQ(DisabledReason::SIGNED_OUT, service()->GetDisabledReasonFromDeps());
+
+  // Once signed in, we should be in a compatible sync state.
+  fake_signin_manager()->SignIn("foo@bar.com");
+  EXPECT_EQ(DisabledReason::NONE, service()->GetDisabledReasonFromDeps());
+
+  // History sync disabled.
+  ON_CALL(*mock_sync_service(), GetActiveDataTypes())
+      .WillByDefault(Return(syncer::ModelTypeSet()));
+  EXPECT_EQ(DisabledReason::HISTORY_SYNC_DISABLED,
+            service()->GetDisabledReasonFromDeps());
+
+  // Encryption enabled.
+  ON_CALL(*mock_sync_service(), IsEncryptEverythingEnabled())
+      .WillByDefault(Return(true));
+  EXPECT_EQ(DisabledReason::PASSPHRASE_ENCRYPTION_ENABLED,
+            service()->GetDisabledReasonFromDeps());
+
+  // Not done loading.
+  ON_CALL(*mock_sync_service(), ConfigurationDone())
+      .WillByDefault(Return(false));
+  ON_CALL(*mock_sync_service(), GetActiveDataTypes())
+      .WillByDefault(Return(syncer::ModelTypeSet()));
+  EXPECT_EQ(DisabledReason::HISTORY_SYNC_STATE_UNKNOWN,
+            service()->GetDisabledReasonFromDeps());
+
+  // Sync disabled.
+  ON_CALL(*mock_sync_service(), CanSyncStart()).WillByDefault(Return(false));
+  EXPECT_EQ(DisabledReason::SYNC_DISABLED,
+            service()->GetDisabledReasonFromDeps());
+}
+
+}  // namespace ntp_snippets