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1 // Copyright 2014 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. | |
4 | |
5 #include "mojo/public/cpp/application/application_test_base.h" | |
6 | |
7 #include "mojo/public/cpp/application/application_delegate.h" | |
8 #include "mojo/public/cpp/application/application_impl.h" | |
9 #include "mojo/public/cpp/environment/environment.h" | |
10 #include "mojo/public/cpp/system/message_pipe.h" | |
11 | |
12 namespace mojo { | |
13 namespace test { | |
14 | |
15 namespace { | |
16 | |
17 // This shell handle is shared by multiple test application instances. | |
18 MessagePipeHandle g_shell_handle; | |
19 // Share the application command-line arguments with multiple application tests. | |
20 Array<String> g_args; | |
21 | |
22 ScopedMessagePipeHandle PassShellHandle() { | |
23 MOJO_CHECK(g_shell_handle.is_valid()); | |
24 ScopedMessagePipeHandle scoped_handle(g_shell_handle); | |
25 g_shell_handle = MessagePipeHandle(); | |
26 return scoped_handle.Pass(); | |
27 } | |
28 | |
29 void SetShellHandle(ScopedMessagePipeHandle handle) { | |
30 MOJO_CHECK(handle.is_valid()); | |
31 MOJO_CHECK(!g_shell_handle.is_valid()); | |
32 g_shell_handle = handle.release(); | |
33 } | |
34 | |
35 void InitializeArgs(int argc, std::vector<const char*> argv) { | |
36 MOJO_CHECK(g_args.is_null()); | |
37 for (const char* arg : argv) { | |
38 if (arg) | |
39 g_args.push_back(arg); | |
40 } | |
41 } | |
42 | |
43 } // namespace | |
44 | |
45 const Array<String>& Args() { | |
46 return g_args; | |
47 } | |
48 | |
49 MojoResult RunAllTests(MojoHandle shell_handle) { | |
50 { | |
51 // This loop is used for init, and then destroyed before running tests. | |
52 Environment::InstantiateDefaultRunLoop(); | |
53 | |
54 // Construct an ApplicationImpl just for the GTEST commandline arguments. | |
55 // GTEST command line arguments are supported amid application arguments: | |
56 // $ mojo_shell mojo:example_apptests | |
57 // --args-for='mojo:example_apptests arg1 --gtest_filter=foo arg2' | |
58 mojo::ApplicationDelegate dummy_application_delegate; | |
59 mojo::ApplicationImpl app(&dummy_application_delegate, shell_handle); | |
60 MOJO_CHECK(app.WaitForInitialize()); | |
61 | |
62 // InitGoogleTest expects (argc + 1) elements, including a terminating null. | |
63 // It also removes GTEST arguments from |argv| and updates the |argc| count. | |
64 const std::vector<std::string>& args = app.args(); | |
65 MOJO_CHECK(args.size() < | |
66 static_cast<size_t>(std::numeric_limits<int>::max())); | |
67 int argc = static_cast<int>(args.size()); | |
68 std::vector<const char*> argv(argc + 1); | |
69 for (int i = 0; i < argc; ++i) | |
70 argv[i] = args[i].c_str(); | |
71 argv[argc] = nullptr; | |
72 | |
73 testing::InitGoogleTest(&argc, const_cast<char**>(&(argv[0]))); | |
74 SetShellHandle(app.UnbindShell()); | |
75 InitializeArgs(argc, argv); | |
76 | |
77 Environment::DestroyDefaultRunLoop(); | |
78 } | |
79 | |
80 int result = RUN_ALL_TESTS(); | |
81 | |
82 shell_handle = mojo::test::PassShellHandle().release().value(); | |
83 MojoResult close_result = MojoClose(shell_handle); | |
84 MOJO_CHECK(close_result == MOJO_RESULT_OK); | |
85 | |
86 return (result == 0) ? MOJO_RESULT_OK : MOJO_RESULT_UNKNOWN; | |
87 } | |
88 | |
89 ApplicationTestBase::ApplicationTestBase() : application_impl_(nullptr) { | |
90 } | |
91 | |
92 ApplicationTestBase::~ApplicationTestBase() { | |
93 } | |
94 | |
95 ApplicationDelegate* ApplicationTestBase::GetApplicationDelegate() { | |
96 return &default_application_delegate_; | |
97 } | |
98 | |
99 void ApplicationTestBase::SetUpWithArgs(const Array<String>& args) { | |
100 // A run loop is recommended for ApplicationImpl initialization and | |
101 // communication. | |
102 if (ShouldCreateDefaultRunLoop()) | |
103 Environment::InstantiateDefaultRunLoop(); | |
104 | |
105 // New applications are constructed for each test to avoid persisting state. | |
106 application_impl_ = new ApplicationImpl(GetApplicationDelegate(), | |
107 PassShellHandle()); | |
108 | |
109 // Fake application initialization with the given command line arguments. | |
110 application_impl_->Initialize(args.Clone()); | |
111 } | |
112 | |
113 void ApplicationTestBase::SetUp() { | |
114 SetUpWithArgs(Args()); | |
115 } | |
116 | |
117 void ApplicationTestBase::TearDown() { | |
118 SetShellHandle(application_impl_->UnbindShell()); | |
119 delete application_impl_; | |
120 if (ShouldCreateDefaultRunLoop()) | |
121 Environment::DestroyDefaultRunLoop(); | |
122 } | |
123 | |
124 bool ApplicationTestBase::ShouldCreateDefaultRunLoop() { | |
125 return true; | |
126 } | |
127 | |
128 } // namespace test | |
129 } // namespace mojo | |
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