1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specic language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <android-base/file.h>
18 #include <gtest/gtest.h>
19 
20 #include <algorithm>
21 #include <thread>
22 
23 #include "perfmgr/FileNode.h"
24 #include "perfmgr/NodeLooperThread.h"
25 
26 namespace android {
27 namespace perfmgr {
28 
29 using std::literals::chrono_literals::operator""ms;
30 
31 constexpr auto kSLEEP_TOLERANCE_MS = 50ms;
32 
33 class NodeLooperThreadTest : public ::testing::Test {
34   protected:
SetUp()35     virtual void SetUp() {
36         std::unique_ptr<TemporaryFile> tf = std::make_unique<TemporaryFile>();
37         nodes_.emplace_back(new FileNode(
38             "n0", tf->path, {{"n0_value0"}, {"n0_value1"}, {"n0_value2"}}, 2,
39             false));
40         files_.emplace_back(std::move(tf));
41         tf = std::make_unique<TemporaryFile>();
42         nodes_.emplace_back(new FileNode(
43             "n1", tf->path, {{"n1_value0"}, {"n1_value1"}, {"n1_value2"}}, 2,
44             true));
45         files_.emplace_back(std::move(tf));
46     }
47 
TearDown()48     virtual void TearDown() {
49         nodes_.clear();
50         files_.clear();
51     }
52     std::vector<std::unique_ptr<Node>> nodes_;
53     std::vector<std::unique_ptr<TemporaryFile>> files_;
54 };
55 
_VerifyPathValue(const std::string & path,const std::string & value)56 static inline void _VerifyPathValue(const std::string& path,
57                                     const std::string& value) {
58     std::string s;
59     EXPECT_TRUE(android::base::ReadFileToString(path, &s)) << strerror(errno);
60     EXPECT_EQ(value, s);
61 }
62 
63 // Test default value init
TEST_F(NodeLooperThreadTest,InitRunTest)64 TEST_F(NodeLooperThreadTest, InitRunTest) {
65     sp<NodeLooperThread> th = new NodeLooperThread(std::move(nodes_));
66     EXPECT_TRUE(th->Start());
67     std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS);
68     EXPECT_TRUE(th->isRunning());
69     _VerifyPathValue(files_[0]->path, "");
70     _VerifyPathValue(files_[1]->path, "n1_value2");
71     th->Stop();
72     EXPECT_FALSE(th->isRunning());
73 }
74 
75 // Test add request
TEST_F(NodeLooperThreadTest,AddRequest)76 TEST_F(NodeLooperThreadTest, AddRequest) {
77     sp<NodeLooperThread> th = new NodeLooperThread(std::move(nodes_));
78     EXPECT_TRUE(th->Start());
79     EXPECT_TRUE(th->isRunning());
80     // Dummy LAUNCH boost actions:
81     // Node0, value0, 200ms
82     // Node1, value1, 400ms
83     std::vector<NodeAction> actions{{0, 0, 200ms}, {1, 1, 400ms}};
84     EXPECT_TRUE(th->Request(actions, "LAUNCH"));
85     std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS);
86     _VerifyPathValue(files_[0]->path, "n0_value0");
87     _VerifyPathValue(files_[1]->path, "n1_value1");
88     std::this_thread::sleep_for(200ms);
89     _VerifyPathValue(files_[0]->path, "n0_value2");
90     _VerifyPathValue(files_[1]->path, "n1_value1");
91     std::this_thread::sleep_for(200ms);
92     _VerifyPathValue(files_[0]->path, "n0_value2");
93     _VerifyPathValue(files_[1]->path, "n1_value2");
94     th->Stop();
95     EXPECT_FALSE(th->isRunning());
96 }
97 
98 // Test request to override expire time
TEST_F(NodeLooperThreadTest,AddRequestOverride)99 TEST_F(NodeLooperThreadTest, AddRequestOverride) {
100     sp<NodeLooperThread> th = new NodeLooperThread(std::move(nodes_));
101     EXPECT_TRUE(th->Start());
102     EXPECT_TRUE(th->isRunning());
103     // Dummy LAUNCH boost actions:
104     // Node0, value0, 200ms
105     // Node1, value1, 500ms
106     std::vector<NodeAction> actions{{0, 0, 200ms}, {1, 1, 500ms}};
107     EXPECT_TRUE(th->Request(actions, "LAUNCH"));
108     std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS);
109     _VerifyPathValue(files_[0]->path, "n0_value0");
110     _VerifyPathValue(files_[1]->path, "n1_value1");
111     // Dummy LAUNCH boost actions:
112     // Node0, value0, 300ms will extend
113     // Node1, value1, 100ms will not extend
114     actions = std::vector<NodeAction>{{0, 0, 300ms}, {1, 1, 100ms}};
115     EXPECT_TRUE(th->Request(actions, "LAUNCH"));
116     std::this_thread::sleep_for(200ms);
117     _VerifyPathValue(files_[0]->path, "n0_value0");
118     _VerifyPathValue(files_[1]->path, "n1_value1");
119     std::this_thread::sleep_for(150ms);
120     // Node0 value0 expired
121     _VerifyPathValue(files_[0]->path, "n0_value2");
122     _VerifyPathValue(files_[1]->path, "n1_value1");
123     std::this_thread::sleep_for(150ms);
124     _VerifyPathValue(files_[0]->path, "n0_value2");
125     _VerifyPathValue(files_[1]->path, "n1_value2");
126     th->Stop();
127     EXPECT_FALSE(th->isRunning());
128 }
129 
130 // Test cancel request
TEST_F(NodeLooperThreadTest,CancelRequest)131 TEST_F(NodeLooperThreadTest, CancelRequest) {
132     sp<NodeLooperThread> th = new NodeLooperThread(std::move(nodes_));
133     EXPECT_TRUE(th->Start());
134     EXPECT_TRUE(th->isRunning());
135     // Dummy LAUNCH boost actions:
136     // Node0, value0, forever
137     // Node1, value1, forever
138     std::vector<NodeAction> actions{{0, 0, 0ms}, {1, 1, 0ms}};
139     EXPECT_TRUE(th->Request(actions, "LAUNCH"));
140     std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS);
141     _VerifyPathValue(files_[0]->path, "n0_value0");
142     _VerifyPathValue(files_[1]->path, "n1_value1");
143     EXPECT_TRUE(th->Cancel(actions, "LAUNCH"));
144     std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS);
145     _VerifyPathValue(files_[0]->path, "n0_value2");
146     _VerifyPathValue(files_[1]->path, "n1_value2");
147     th->Stop();
148     EXPECT_FALSE(th->isRunning());
149 }
150 
151 // Test multiple request
TEST_F(NodeLooperThreadTest,MultipleRequest)152 TEST_F(NodeLooperThreadTest, MultipleRequest) {
153     sp<NodeLooperThread> th = new NodeLooperThread(std::move(nodes_));
154     EXPECT_TRUE(th->Start());
155     EXPECT_TRUE(th->isRunning());
156     // Dummy LAUNCH boost actions:
157     // Node0, value1, 800ms
158     // Node1, value1, forever
159     std::vector<NodeAction> actions_interaction{{0, 1, 800ms}, {1, 1, 0ms}};
160     EXPECT_TRUE(th->Request(actions_interaction, "INTERACTION"));
161     std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS);
162     _VerifyPathValue(files_[0]->path, "n0_value1");
163     _VerifyPathValue(files_[1]->path, "n1_value1");
164     // Dummy LAUNCH boost actions:
165     // Node0, value0, forever
166     // Node1, value0, 400ms
167     std::vector<NodeAction> actions_launch{{0, 0, 0ms}, {1, 0, 400ms}};
168     EXPECT_TRUE(th->Request(actions_launch, "LAUNCH"));
169     std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS);
170     _VerifyPathValue(files_[0]->path, "n0_value0");
171     _VerifyPathValue(files_[1]->path, "n1_value0");
172     std::this_thread::sleep_for(400ms);
173     // "LAUNCH" node1 expired
174     _VerifyPathValue(files_[0]->path, "n0_value0");
175     _VerifyPathValue(files_[1]->path, "n1_value1");
176     EXPECT_TRUE(th->Cancel(actions_launch, "LAUNCH"));
177     std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS);
178     // "LAUNCH" canceled
179     _VerifyPathValue(files_[0]->path, "n0_value1");
180     _VerifyPathValue(files_[1]->path, "n1_value1");
181     std::this_thread::sleep_for(400ms);
182     // "INTERACTION" node0 expired
183     _VerifyPathValue(files_[0]->path, "n0_value2");
184     _VerifyPathValue(files_[1]->path, "n1_value1");
185     EXPECT_TRUE(th->Cancel(actions_interaction, "INTERACTION"));
186     std::this_thread::sleep_for(kSLEEP_TOLERANCE_MS);
187     // "INTERACTION" canceled
188     _VerifyPathValue(files_[0]->path, "n0_value2");
189     _VerifyPathValue(files_[1]->path, "n1_value2");
190     th->Stop();
191     EXPECT_FALSE(th->isRunning());
192 }
193 
194 }  // namespace perfmgr
195 }  // namespace android
196