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mojo/shell/shell_test_base_unittest.cc

Index: mojo/shell/shell_test_base_unittest.cc
diff --git a/mojo/shell/shell_test_base_unittest.cc b/mojo/shell/shell_test_base_unittest.cc
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index 0000000000000000000000000000000000000000..4e945115c6d8f43be4a55c3b7b774a141079a467
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+++ b/mojo/shell/shell_test_base_unittest.cc
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+// Copyright 2014 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 "mojo/shell/shell_test_base.h"
+
+#include "base/bind.h"
+#include "base/i18n/time_formatting.h"
+#include "base/macros.h"
+#include "base/message_loop/message_loop.h"
+#include "base/strings/utf_string_conversions.h"
+#include "mojo/public/cpp/bindings/error_handler.h"
+#include "mojo/public/cpp/bindings/interface_ptr.h"
+#include "mojo/public/cpp/system/core.h"
+#include "mojo/services/test_service/test_request_tracker.mojom.h"
+#include "mojo/services/test_service/test_service.mojom.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+using mojo::test::ServiceReport;
+using mojo::test::ServiceReportPtr;
+using mojo::test::TestService;
+using mojo::test::TestTimeService;
+using mojo::test::TestServicePtr;
+using mojo::test::TestTimeServicePtr;
+using mojo::test::TestTrackedRequestService;
+using mojo::test::TestTrackedRequestServicePtr;
+
+namespace mojo {
+namespace shell {
+namespace test {
+namespace {
+
+void GetReportCallback(base::MessageLoop* loop,
+                       std::vector<ServiceReport>* reports_out,
+                       Array<ServiceReportPtr> report) {
+  for (size_t i = 0; i < report.size(); i++)
+    reports_out->push_back(*report[i]);
+  loop->QuitWhenIdle();
+}
+
+class ShellTestBaseTest : public ShellTestBase {
+ public:
+  // Convenience helpers for use as callbacks in tests.
+  template <typename T>
+  base::Callback<void()> SetAndQuit(T* val, T result) {
+    return base::Bind(&ShellTestBaseTest::SetAndQuitImpl<T>,
+                      base::Unretained(this), val, result);
+  }
+  template <typename T>
+  base::Callback<void(T result)> SetAndQuit(T* val) {
+    return base::Bind(&ShellTestBaseTest::SetAndQuitImpl<T>,
+                      base::Unretained(this), val);
+  }
+  static GURL test_app_url() { return GURL("mojo:test_app"); }
+
+  void GetReport(std::vector<ServiceReport>* report) {
+    ConnectToService(GURL("mojo:test_request_tracker_app"), &request_tracking_);
+    request_tracking_->GetReport(base::Bind(&GetReportCallback,
+                                            base::Unretained(message_loop()),
+                                            base::Unretained(report)));
+    message_loop()->Run();
+  }
+
+ private:
+  template <typename T>
+  void SetAndQuitImpl(T* val, T result) {
+    *val = result;
+    message_loop()->QuitWhenIdle();
+  }
+  TestTrackedRequestServicePtr request_tracking_;
+};
+
+class QuitMessageLoopErrorHandler : public ErrorHandler {
+ public:
+  QuitMessageLoopErrorHandler() {}
+  ~QuitMessageLoopErrorHandler() override {}
+
+  // |ErrorHandler| implementation:
+  void OnConnectionError() override {
+    base::MessageLoop::current()->QuitWhenIdle();
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(QuitMessageLoopErrorHandler);
+};
+
+// Tests that we can connect to a single service within a single app.
+TEST_F(ShellTestBaseTest, ConnectBasic) {
+  InterfacePtr<TestService> service;
+  ConnectToService(test_app_url(), &service);
+
+  bool was_run = false;
+  service->Ping(SetAndQuit<bool>(&was_run, true));
+  message_loop()->Run();
+  EXPECT_TRUE(was_run);
+  EXPECT_FALSE(service.encountered_error());
+
+  service.reset();
+
+  // This will run until the test app has actually quit (which it will,
+  // since we killed the only connection to it).
+  message_loop()->Run();
+}
+
+// Tests that trying to connect to a service fails properly if the service
+// doesn't exist. Implicit in this test is verification that the shell
+// terminates if no services are running.
+TEST_F(ShellTestBaseTest, ConnectInvalidService) {
+  InterfacePtr<TestService> test_service;
+  ConnectToService(GURL("mojo:non_existent_service"), &test_service);
+
+  bool was_run = false;
+  test_service->Ping(SetAndQuit<bool>(&was_run, true));
+
+  // This will quit because there's nothing running.
+  message_loop()->Run();
+  EXPECT_FALSE(was_run);
+
+  // It may have quit before an error was processed.
+  if (!test_service.encountered_error()) {
+    QuitMessageLoopErrorHandler quitter;
+    test_service.set_error_handler(&quitter);
+    message_loop()->Run();
+    EXPECT_TRUE(test_service.encountered_error());
+  }
+
+  test_service.reset();
+}
+
+// Tests that we can connect to a single service within a single app using
+// a network based loader instead of local files.
+// TODO(tim): Disabled because network service leaks NSS at exit, meaning
+// subsequent tests can't init properly.
+TEST_F(ShellTestBaseTest, DISABLED_ConnectBasicNetwork) {
+  InterfacePtr<TestService> service;
+  ConnectToService(test_app_url(), &service);
+
+  bool was_run = false;
+  service->Ping(SetAndQuit<bool>(&was_run, true));
+  message_loop()->Run();
+  EXPECT_TRUE(was_run);
+  EXPECT_FALSE(service.encountered_error());
+
+  // Note that use of the network service is implicit in this test.
+  // Since TestService is not the only service in use, the shell won't auto
+  // magically exit when TestService is destroyed (unlike ConnectBasic).
+  // Tearing down the shell context will kill connections. The shell loop will
+  // exit as soon as no more apps are connected.
+  // TODO(tim): crbug.com/392685.  Calling this explicitly shouldn't be
+  // necessary once the shell terminates if the primordial app exits, which
+  // we could enforce here by resetting |service|.
+  shell_context()->application_manager()->TerminateShellConnections();
+  message_loop()->Run();  // Waits for all connections to die.
+}
+
+// Tests that trying to connect to a service over network fails preoprly
+// if the service doesn't exist.
+// TODO(tim): Disabled because network service leaks NSS at exit, meaning
+// subsequent tests can't init properly.
+TEST_F(ShellTestBaseTest, DISABLED_ConnectInvalidServiceNetwork) {
+  InterfacePtr<TestService> test_service;
+  ConnectToService(GURL("http://example.com/non_existent_service"),
+                   &test_service);
+  QuitMessageLoopErrorHandler quitter;
+  test_service.set_error_handler(&quitter);
+  bool was_run = false;
+  test_service->Ping(SetAndQuit<bool>(&was_run, true));
+  message_loop()->Run();
+  EXPECT_TRUE(test_service.encountered_error());
+
+  // TODO(tim): crbug.com/392685.  Calling this explicitly shouldn't be
+  // necessary once the shell terminates if the primordial app exits, which
+  // we could enforce here by resetting |service|.
+  shell_context()->application_manager()->TerminateShellConnections();
+  message_loop()->Run();  // Waits for all connections to die.
+}
+
+// Similar to ConnectBasic, but causes the app to instantiate multiple
+// service implementation objects and verifies the shell can reach both.
+TEST_F(ShellTestBaseTest, ConnectMultipleInstancesPerApp) {
+  {
+    TestServicePtr service1, service2;
+    ConnectToService(test_app_url(), &service1);
+    ConnectToService(test_app_url(), &service2);
+
+    bool was_run1 = false;
+    bool was_run2 = false;
+    service1->Ping(SetAndQuit<bool>(&was_run1, true));
+    message_loop()->Run();
+    service2->Ping(SetAndQuit<bool>(&was_run2, true));
+    message_loop()->Run();
+    EXPECT_TRUE(was_run1);
+    EXPECT_TRUE(was_run2);
+    EXPECT_FALSE(service1.encountered_error());
+    EXPECT_FALSE(service2.encountered_error());
+  }
+  message_loop()->Run();
+}
+
+// Tests that service A and service B, both in App 1, can talk to each other
+// and parameters are passed around properly.
+TEST_F(ShellTestBaseTest, ConnectDifferentServicesInSingleApp) {
+  // Have a TestService GetPartyTime on a TestTimeService in the same app.
+  int64 time_message;
+  TestServicePtr service;
+  ConnectToService(test_app_url(), &service);
+  service->ConnectToAppAndGetTime(test_app_url().spec(),
+                                  SetAndQuit<int64>(&time_message));
+  message_loop()->Run();
+
+  // Verify by hitting the TimeService directly.
+  TestTimeServicePtr time_service;
+  ConnectToService(test_app_url(), &time_service);
+  int64 party_time;
+  time_service->GetPartyTime(SetAndQuit<int64>(&party_time));
+  message_loop()->Run();
+
+  EXPECT_EQ(time_message, party_time);
+}
+
+// Tests that a service A in App 1 can talk to service B in App 2 and
+// parameters are passed around properly.
+TEST_F(ShellTestBaseTest, ConnectDifferentServicesInDifferentApps) {
+  int64 time_message;
+  TestServicePtr service;
+  ConnectToService(test_app_url(), &service);
+  service->ConnectToAppAndGetTime("mojo:test_request_tracker_app",
+                                  SetAndQuit<int64>(&time_message));
+  message_loop()->Run();
+
+  // Verify by hitting the TimeService in the request tracker app directly.
+  TestTimeServicePtr time_service;
+  ConnectToService(GURL("mojo:test_request_tracker_app"), &time_service);
+  int64 party_time;
+  time_service->GetPartyTime(SetAndQuit<int64>(&party_time));
+  message_loop()->Run();
+
+  EXPECT_EQ(time_message, party_time);
+}
+
+// Tests that service A in App 1 can be a client of service B in App 2.
+TEST_F(ShellTestBaseTest, ConnectServiceAsClientOfSeparateApp) {
+  TestServicePtr service;
+  ConnectToService(test_app_url(), &service);
+  service->StartTrackingRequests(message_loop()->QuitWhenIdleClosure());
+  service->Ping(Callback<void()>());
+  message_loop()->Run();
+
+  for (int i = 0; i < 8; i++)
+    service->Ping(Callback<void()>());
+  service->Ping(message_loop()->QuitWhenIdleClosure());
+  message_loop()->Run();
+
+  // If everything worked properly, the tracking service should report
+  // 10 pings to TestService.
+  std::vector<ServiceReport> reports;
+  GetReport(&reports);
+  ASSERT_EQ(1U, reports.size());
+  EXPECT_EQ(TestService::Name_, reports[0].service_name);
+  EXPECT_EQ(10U, reports[0].total_requests);
+}
+
+// Connect several services together and use the tracking service to verify
+// communication.
+TEST_F(ShellTestBaseTest, ConnectManyClientsAndServices) {
+  TestServicePtr service;
+  TestTimeServicePtr time_service;
+
+  // Make a request to the TestService and have it contact TimeService in the
+  // tracking app. Do all this with tracking enabled, meaning both services
+  // are connected as clients of the TrackedRequestService.
+  ConnectToService(test_app_url(), &service);
+  service->StartTrackingRequests(message_loop()->QuitWhenIdleClosure());
+  message_loop()->Run();
+  for (int i = 0; i < 5; i++)
+    service->Ping(Callback<void()>());
+  int64 time_result;
+  service->ConnectToAppAndGetTime("mojo:test_request_tracker_app",
+                                  SetAndQuit<int64>(&time_result));
+  message_loop()->Run();
+
+  // Also make a few requests to the TimeService in the test_app.
+  ConnectToService(test_app_url(), &time_service);
+  time_service->StartTrackingRequests(message_loop()->QuitWhenIdleClosure());
+  time_service->GetPartyTime(Callback<void(uint64_t)>());
+  message_loop()->Run();
+  for (int i = 0; i < 18; i++)
+    time_service->GetPartyTime(Callback<void(uint64_t)>());
+  // Flush the tasks with one more to quit.
+  int64 party_time = 0;
+  time_service->GetPartyTime(SetAndQuit<int64>(&party_time));
+  message_loop()->Run();
+
+  std::vector<ServiceReport> reports;
+  GetReport(&reports);
+  ASSERT_EQ(3U, reports.size());
+  EXPECT_EQ(TestService::Name_, reports[0].service_name);
+  EXPECT_EQ(6U, reports[0].total_requests);
+  EXPECT_EQ(TestTimeService::Name_, reports[1].service_name);
+  EXPECT_EQ(1U, reports[1].total_requests);
+  EXPECT_EQ(TestTimeService::Name_, reports[2].service_name);
+  EXPECT_EQ(20U, reports[2].total_requests);
+}
+
+}  // namespace
+}  // namespace test
+}  // namespace shell
+}  // namespace mojo