1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H_
6 #define CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H_
11 #include "base/basictypes.h"
12 #include "base/compiler_specific.h"
13 #include "base/memory/scoped_ptr.h"
14 #include "base/synchronization/waitable_event.h"
15 #include "base/threading/platform_thread.h"
16 #include "base/threading/thread.h"
17 #include "base/time/time.h"
18 #include "chrome/browser/ui/browser.h"
19 #include "chrome/common/automation_constants.h"
20 #include "chrome/test/automation/automation_handle_tracker.h"
21 #include "chrome/test/automation/browser_proxy.h"
22 #include "ipc/ipc_channel_proxy.h"
23 #include "ipc/ipc_sender.h"
24 #include "ipc/ipc_sync_channel.h"
25 #include "ui/base/ui_base_types.h"
26 #include "ui/gfx/native_widget_types.h"
32 struct ExternalTabSettings;
34 // This is an interface that AutomationProxy-related objects can use to
35 // access the message-sending abilities of the Proxy.
36 class AutomationMessageSender : public IPC::Sender {
38 // Sends a message synchronously; it doesn't return until a response has been
39 // received or a timeout has expired.
41 // The function returns true if a response is received, and returns false if
42 // there is a failure or timeout (in milliseconds).
44 // NOTE: When timeout occurs, the connection between proxy provider may be
45 // in transit state. Specifically, there might be pending IPC messages,
46 // and the proxy provider might be still working on the previous
48 virtual bool Send(IPC::Message* message) = 0;
49 virtual bool Send(IPC::Message* message, int timeout_ms) = 0;
52 // This is the interface that external processes can use to interact with
53 // a running instance of the app.
54 class AutomationProxy : public IPC::Listener, public AutomationMessageSender {
56 AutomationProxy(base::TimeDelta action_timeout, bool disconnect_on_failure);
57 virtual ~AutomationProxy();
59 // Creates a previously unused channel id.
60 static std::string GenerateChannelID();
62 // Initializes a channel for a connection to an AutomationProvider.
63 // If use_named_interface is false, it will act as a client
64 // and connect to the named IPC socket with channel_id as its path.
65 // If use_named_interface is true, it will act as a server and
66 // use an anonymous socketpair instead.
67 void InitializeChannel(const std::string& channel_id,
68 bool use_named_interface);
71 virtual bool OnMessageReceived(const IPC::Message& msg);
72 virtual void OnChannelError();
74 // Close the automation IPC channel.
77 // Waits for the app to launch and the automation provider to say hello
78 // (the app isn't fully done loading by this point).
79 // Returns SUCCESS if the launch is successful.
80 // Returns TIMEOUT if there was no response by action_timeout_
81 // Returns VERSION_MISMATCH if the automation protocol version of the
82 // automation provider does not match and if perform_version_check_ is set
83 // to true. Note that perform_version_check_ defaults to false, call
84 // set_perform_version_check() to set it.
85 AutomationLaunchResult WaitForAppLaunch();
87 // See description in AutomationMsg_WaitForProcessLauncherThreadToGoIdle.
88 bool WaitForProcessLauncherThreadToGoIdle() WARN_UNUSED_RESULT;
90 // Waits for any initial page loads to complete.
91 // NOTE: this only fires once for a run of the application.
92 // Returns true if the load is successful
93 bool WaitForInitialLoads() WARN_UNUSED_RESULT;
95 // Waits for the initial destinations tab to report that it has finished
96 // querying. |load_time| is filled in with how long it took, in milliseconds.
97 // NOTE: this only fires once for a run of the application.
98 // Returns true if the load is successful.
99 bool WaitForInitialNewTabUILoad(int* load_time) WARN_UNUSED_RESULT;
101 // Open a new browser window of type |type|, returning true on success. |show|
102 // identifies whether the window should be shown. Returns true on success.
103 bool OpenNewBrowserWindow(Browser::Type type, bool show) WARN_UNUSED_RESULT;
105 // Fills the number of open browser windows into the given variable, returning
106 // true on success. False likely indicates an IPC error.
107 bool GetBrowserWindowCount(int* num_windows) WARN_UNUSED_RESULT;
109 // Block the thread until the window count becomes the provided value.
110 // Returns true on success.
111 bool WaitForWindowCountToBecome(int target_count) WARN_UNUSED_RESULT;
113 // Fills the number of open normal browser windows (normal type and
114 // non-incognito mode) into the given variable, returning true on success.
115 // False likely indicates an IPC error.
116 bool GetNormalBrowserWindowCount(int* num_windows) WARN_UNUSED_RESULT;
118 // Returns true if one of the tabs in any window displays given url.
119 bool IsURLDisplayed(GURL url) WARN_UNUSED_RESULT;
121 // Get the duration of the last |event_name| in the browser. Returns
122 // false if the IPC failed to send.
123 bool GetMetricEventDuration(const std::string& event_name,
124 int* duration_ms) WARN_UNUSED_RESULT;
126 // Returns the BrowserProxy for the browser window at the given index,
127 // transferring ownership of the pointer to the caller.
128 // On failure, returns NULL.
130 // Use GetBrowserWindowCount to see how many browser windows you can ask for.
131 // Window numbers are 0-based.
132 scoped_refptr<BrowserProxy> GetBrowserWindow(int window_index);
134 // Sends the browser a new proxy configuration to start using. Returns true
135 // if the proxy config was successfully sent, false otherwise.
136 bool SendProxyConfig(const std::string& new_proxy_config) WARN_UNUSED_RESULT;
138 // These methods are intended to be called by the background thread
139 // to signal that the given event has occurred, and that any corresponding
140 // Wait... function can return.
141 void SignalAppLaunch(const std::string& version_string);
142 void SignalInitialLoads();
143 // load_time is how long, in ms, the tab contents took to load.
144 void SignalNewTabUITab(int load_time);
146 // Gets the next extension test result in |result|. Returns false if there
147 // was a problem sending the result querying RPC.
148 bool GetExtensionTestResult(bool* result, std::string* message);
150 // Generic pattern for sending automation requests.
151 bool SendJSONRequest(const std::string& request,
153 std::string* response) WARN_UNUSED_RESULT;
155 // Begin tracing specified category_patterns on the browser instance. Blocks
156 // until browser acknowledges that tracing has begun (or failed if false is
157 // returned). |category_patterns| is a comma-delimited list of category
159 // A category pattern can have an optional '-' prefix to exclude category
160 // groups that contain matching category.
161 // Either all category_patterns must be included or all must be excluded.
163 // Example: BeginTracing("test_MyTest*");
164 // Example: BeginTracing("test_MyTest*,test_OtherStuff");
165 // Example: BeginTracing("-excluded_category1,-excluded_category2");
167 // See base/event_trace.h for documentation of included and excluded
168 // category_patterns.
169 bool BeginTracing(const std::string& category_patterns) WARN_UNUSED_RESULT;
171 // End trace and collect the trace output as a json string.
172 bool EndTracing(std::string* json_trace_output) WARN_UNUSED_RESULT;
174 IPC::SyncChannel* channel();
176 // AutomationMessageSender implementation.
177 virtual bool Send(IPC::Message* message) WARN_UNUSED_RESULT;
178 virtual bool Send(IPC::Message* message, int timeout_ms) WARN_UNUSED_RESULT;
180 // Wrapper over AutomationHandleTracker::InvalidateHandle. Receives the
181 // message from AutomationProxy, unpacks the messages and routes that call to
183 virtual void InvalidateHandle(const IPC::Message& message);
185 base::TimeDelta action_timeout() const {
186 return action_timeout_;
189 // Sets the timeout for subsequent automation calls.
190 void set_action_timeout(base::TimeDelta timeout) {
191 DCHECK(timeout <= base::TimeDelta::FromMinutes(10))
192 << "10+ min of automation timeout "
193 "can make the test hang and be killed by buildbot";
194 action_timeout_ = timeout;
197 // Returns the server version of the server connected. You may only call this
198 // method after WaitForAppLaunch() has returned SUCCESS or VERSION_MISMATCH.
199 // If you call it before this, the return value is undefined.
200 std::string server_version() const {
201 return server_version_;
204 // Call this while passing true to tell the automation proxy to perform
205 // a version check when WaitForAppLaunch() is called. Note that
206 // platform_version_check_ defaults to false.
207 void set_perform_version_check(bool perform_version_check) {
208 perform_version_check_ = perform_version_check;
211 // These functions set and reset the IPC::Channel pointer on the tracker.
212 void SetChannel(IPC::Channel* channel);
215 // See description above |channel_disconnected_on_failure_|.
216 bool channel_disconnected_on_failure() const {
217 return channel_disconnected_on_failure_;
221 template <class T> scoped_refptr<T> ProxyObjectFromHandle(int handle);
222 void InitializeThread();
223 void InitializeHandleTracker();
225 scoped_ptr<base::Thread> thread_;
226 scoped_ptr<IPC::SyncChannel> channel_;
227 scoped_ptr<AutomationHandleTracker> tracker_;
229 base::WaitableEvent app_launched_;
230 base::WaitableEvent initial_loads_complete_;
231 base::WaitableEvent new_tab_ui_load_complete_;
232 int new_tab_ui_load_time_;
234 // An event that notifies when we are shutting-down.
235 scoped_ptr<base::WaitableEvent> shutdown_event_;
237 // The version of the automation provider we are communicating with.
238 std::string server_version_;
240 // Whether to perform a version check between the automation proxy and
241 // the automation provider at connection time. Defaults to false, you can
242 // set this to true if building the automation proxy into a module with
243 // a version resource.
244 bool perform_version_check_;
246 // If true, the proxy will disconnect the IPC channel on first failure
247 // to send an IPC message. This helps avoid long timeouts in tests.
248 bool disconnect_on_failure_;
250 // Set if disconnect_on_failure_ caused the connection to be dropped.
251 bool channel_disconnected_on_failure_;
253 // Delay to let the browser execute the command.
254 base::TimeDelta action_timeout_;
256 base::PlatformThreadId listener_thread_id_;
258 DISALLOW_COPY_AND_ASSIGN(AutomationProxy);
261 #endif // CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H_