Implemented fake controller pairing flow.

chromeos/pairing/fake_controller_pairing_flow.h

Index: chromeos/pairing/fake_controller_pairing_flow.h
diff --git a/chromeos/pairing/fake_controller_pairing_flow.h b/chromeos/pairing/fake_controller_pairing_flow.h
new file mode 100644
index 0000000000000000000000000000000000000000..803dafefda424a152ec87b3cafe4fffbe23539ad
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+++ b/chromeos/pairing/fake_controller_pairing_flow.h
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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.
+
+#ifndef CHROMEOS_PAIRING_FAKE_CONTROLLER_PAIRING_FLOW_H_
+#define CHROMEOS_PAIRING_FAKE_CONTROLLER_PAIRING_FLOW_H_
+
+#include <set>
+#include <utility>
+
+#include "base/macros.h"
+#include "base/observer_list.h"
+#include "base/time/time.h"
+#include "chromeos/chromeos_export.h"
+#include "chromeos/pairing/controller_pairing_flow.h"
+
+namespace chromeos {
+
+class CHROMEOS_EXPORT FakeControllerPairingFlow
+    : public ControllerPairingFlow,
+      public ControllerPairingFlow::Observer {
+ public:
+  using ControllerPairingFlow::Observer;
+
+  enum DiscoveryEventType { DEVICE_FOUND, DEVICE_LOST };
+
+  typedef std::pair<DiscoveryEventType, std::string> DiscoveryEvent;
+  typedef std::vector<DiscoveryEvent> DiscoveryScenario;
+
+  static const char* kNotFoundDeviceID;
+
+  FakeControllerPairingFlow();
+  virtual ~FakeControllerPairingFlow();
+
+  // Sets delay for asynchronous operations. like device searching or host
+  // enrollment. Default value is 3 seconds.
+  void set_async_duration(base::TimeDelta async_duration) {
+    async_duration_ = async_duration;
+  }
+
+  // Causing an error on |STAGE_ESTABLISHING_CONNECTION| stage once.
+  void SetShouldFailOnConnecting();
+
+  // Causing a connection loss on |stage_begin| and a connection recovery
+  // on |stage_end| once.
+  void SetShouldLoseConnection(Stage stage_begin, Stage stage_end);
+
+  // Makes host enrollment to fail once.
+  void SetEnrollmentShouldFail();
+
+  // Sets devices discovery scenario for |STAGE_DEVICES_DESCOVERY| stage.
+  // Events are executed with interval of |async_duration_|. To emulate "device
+  // not found" scenario pass single event with device ID equal to
+  // |kNotFoundDeviceID| to this method.
+  // For default scenario refer to implementation.
+  void SetDiscoveryScenario(const DiscoveryScenario& discovery_scenario);
+
+  // Overridden from ui::ControllerPairingFlow:
+  virtual void AddObserver(Observer* observer) OVERRIDE;
+  virtual void RemoveObserver(Observer* observer) OVERRIDE;
+  virtual Stage GetCurrentStage() OVERRIDE;
+  virtual void StartFlow() OVERRIDE;
+  virtual DeviceIdList GetDiscoveredDevices() OVERRIDE;
+  virtual void ChooseDeviceForPairing(const std::string& device_id) OVERRIDE;
+  virtual void RepeatDiscovery() OVERRIDE;
+  virtual std::string GetConfirmationCode() OVERRIDE;
+  virtual void SetConfirmationCodeIsCorrect(bool correct) OVERRIDE;
+  virtual void OnAuthenticationDone(
+      const chromeos::UserContext& user_context,
+      content::BrowserContext* browser_context) OVERRIDE;
+  virtual void StartSession() OVERRIDE;
+
+ private:
+  void ChangeStage(Stage new_stage);
+  void ChangeStageLater(Stage new_stage);
+  void ExecuteDiscoveryEvent(size_t event_position);
+  void DeviceFound(const std::string& device_id);
+  void DeviceLost(const std::string& device_id);
+  DiscoveryScenario GetDefaultScenario() const;
+
+  // Overridden from ui::ControllerPairingFlow::Observer:
+  virtual void PairingStageChanged(Stage new_stage) OVERRIDE;
+  virtual void DiscoveredDevicesListChanged() OVERRIDE;
+
+  ObserverList<ControllerPairingFlow::Observer> observers_;
+  Stage current_stage_;
+  std::string confirmation_code_;
+  base::TimeDelta async_duration_;
+  DiscoveryScenario discovery_scenario_;
+  std::set<std::string> discovered_devices_;
+  std::string choosen_device_;
+  bool should_fail_on_connecting_;
+  Stage connection_lost_begin_;
+  Stage connection_lost_end_;
+  bool enrollment_should_fail_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakeControllerPairingFlow);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_PAIRING_FAKE_CONTROLLER_PAIRING_FLOW_H_