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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_TEST_PARALLEL_TEST_LAUNCHER_H_ | 5 #ifndef BASE_TEST_PARALLEL_TEST_LAUNCHER_H_ |
6 #define BASE_TEST_PARALLEL_TEST_LAUNCHER_H_ | 6 #define BASE_TEST_PARALLEL_TEST_LAUNCHER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/threading/sequenced_worker_pool.h" | |
13 #include "base/threading/thread_checker.h" | 12 #include "base/threading/thread_checker.h" |
14 #include "base/time/time.h" | 13 #include "base/time/time.h" |
15 #include "base/timer/timer.h" | 14 #include "base/timer/timer.h" |
16 | 15 |
17 class CommandLine; | 16 class CommandLine; |
18 | 17 |
19 namespace base { | 18 namespace base { |
20 | 19 |
21 class SequencedWorkerPoolOwner; | 20 class SequencedWorkerPoolOwner; |
22 class Timer; | |
23 | 21 |
24 // Launches child gtest process in parallel. Keeps track of running processes, | 22 // Launches child gtest process in parallel. Keeps track of running processes, |
25 // prints a message in case no output is produced for a while. | 23 // prints a message in case no output is produced for a while. |
26 class ParallelTestLauncher { | 24 class ParallelTestLauncher { |
27 public: | 25 public: |
28 // Constructor. |jobs| is the maximum number of tests launched in parallel. | 26 // Constructor. |jobs| is the maximum number of tests launched in parallel. |
29 explicit ParallelTestLauncher(size_t jobs); | 27 explicit ParallelTestLauncher(size_t jobs); |
30 ~ParallelTestLauncher(); | 28 ~ParallelTestLauncher(); |
31 | 29 |
32 // Callback called after a child process finishes. First argument is the exit | 30 // Callback called after a child process finishes. First argument is the exit |
33 // code, second one is child process elapsed time, third one is true if | 31 // code, second one is child process elapsed time, third one is true if |
34 // the child process was terminated because of a timeout, and fourth one | 32 // the child process was terminated because of a timeout, and fourth one |
35 // contains output of the child (stdout and stderr together). | 33 // contains output of the child (stdout and stderr together). |
36 typedef Callback<void(int, const TimeDelta&, bool, const std::string&)> | 34 typedef Callback<void(int, const TimeDelta&, bool, const std::string&)> |
37 LaunchChildGTestProcessCallback; | 35 LaunchChildGTestProcessCallback; |
38 | 36 |
39 // Launches a child process (assumed to be gtest-based binary) using | 37 // Launches a child process (assumed to be gtest-based binary) using |
40 // |command_line|. If |wrapper| is not empty, it is prepended to the final | 38 // |command_line|. If |wrapper| is not empty, it is prepended to the final |
41 // command line. If the child process is still running after |timeout|, it | 39 // command line. If the child process is still running after |timeout|, it |
42 // is terminated. After the child process finishes |callback| is called | 40 // is terminated. After the child process finishes |callback| is called |
43 // on the same thread this method was called. | 41 // on the same thread this method was called. |
44 void LaunchChildGTestProcess(const CommandLine& command_line, | 42 void LaunchChildGTestProcess(const CommandLine& command_line, |
45 const std::string& wrapper, | 43 const std::string& wrapper, |
46 base::TimeDelta timeout, | 44 base::TimeDelta timeout, |
47 const LaunchChildGTestProcessCallback& callback); | 45 const LaunchChildGTestProcessCallback& callback); |
48 | 46 |
49 // Similar to above, but with processes sharing the same value of |token_name| | |
50 // being serialized, with order matching order of calls of this method. | |
51 void LaunchNamedSequencedChildGTestProcess( | |
52 const std::string& token_name, | |
53 const CommandLine& command_line, | |
54 const std::string& wrapper, | |
55 base::TimeDelta timeout, | |
56 const LaunchChildGTestProcessCallback& callback); | |
57 | |
58 // Resets the output watchdog, indicating some test results have been printed | 47 // Resets the output watchdog, indicating some test results have been printed |
59 // out. If a pause between the calls exceeds an internal treshold, a message | 48 // out. If a pause between the calls exceeds an internal treshold, a message |
60 // will be printed listing all child processes we're still waiting for. | 49 // will be printed listing all child processes we're still waiting for. |
61 void ResetOutputWatchdog(); | 50 void ResetOutputWatchdog(); |
62 | 51 |
63 private: | 52 private: |
64 void LaunchSequencedChildGTestProcess( | |
65 SequencedWorkerPool::SequenceToken sequence_token, | |
66 const CommandLine& command_line, | |
67 const std::string& wrapper, | |
68 base::TimeDelta timeout, | |
69 const LaunchChildGTestProcessCallback& callback); | |
70 | |
71 // Called on a worker thread after a child process finishes. | 53 // Called on a worker thread after a child process finishes. |
72 void OnLaunchTestProcessFinished( | 54 void OnLaunchTestProcessFinished( |
73 size_t sequence_number, | 55 size_t sequence_number, |
74 const LaunchChildGTestProcessCallback& callback, | 56 const LaunchChildGTestProcessCallback& callback, |
75 int exit_code, | 57 int exit_code, |
76 const TimeDelta& elapsed_time, | 58 const TimeDelta& elapsed_time, |
77 bool was_timeout, | 59 bool was_timeout, |
78 const std::string& output); | 60 const std::string& output); |
79 | 61 |
80 // Called by the delay timer when no output was made for a while. | 62 // Called by the delay timer when no output was made for a while. |
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100 | 82 |
101 // Worker pool used to launch processes in parallel. | 83 // Worker pool used to launch processes in parallel. |
102 scoped_ptr<SequencedWorkerPoolOwner> worker_pool_owner_; | 84 scoped_ptr<SequencedWorkerPoolOwner> worker_pool_owner_; |
103 | 85 |
104 DISALLOW_COPY_AND_ASSIGN(ParallelTestLauncher); | 86 DISALLOW_COPY_AND_ASSIGN(ParallelTestLauncher); |
105 }; | 87 }; |
106 | 88 |
107 } // namespace base | 89 } // namespace base |
108 | 90 |
109 #endif // BASE_TEST_PARALLEL_TEST_LAUNCHER_H_ | 91 #endif // BASE_TEST_PARALLEL_TEST_LAUNCHER_H_ |
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