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comparison OrthancFramework/UnitTestsSources/LoggingTests.cpp @ 4044:d25f4c0fa160 framework

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splitting code into OrthancFramework and OrthancServer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jun 2020 20:30:34 +0200
parents UnitTestsSources/LoggingTests.cpp@27628b0f6ada
children 05b8fd21089c
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4043:6c6239aec462 4044:d25f4c0fa160
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
11 *
12 * In addition, as a special exception, the copyright holders of this
13 * program give permission to link the code of its release with the
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
15 * that use the same license as the "OpenSSL" library), and distribute
16 * the linked executables. You must obey the GNU General Public License
17 * in all respects for all of the code used other than "OpenSSL". If you
18 * modify file(s) with this exception, you may extend this exception to
19 * your version of the file(s), but you are not obligated to do so. If
20 * you do not wish to do so, delete this exception statement from your
21 * version. If you delete this exception statement from all source files
22 * in the program, then also delete it here.
23 *
24 * This program is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 **/
32
33
34 #if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1
35 # include <OrthancFramework.h>
36 #endif
37
38 #include "PrecompiledHeadersUnitTests.h"
39 #include "gtest/gtest.h"
40 #include <boost/regex.hpp>
41 #include <sstream>
42
43 #include "../Core/Logging.h"
44
45 using namespace Orthanc::Logging;
46
47 static std::stringstream testErrorStream;
48 void TestError(const char* message)
49 {
50 testErrorStream << message;
51 }
52
53 static std::stringstream testWarningStream;
54 void TestWarning(const char* message)
55 {
56 testWarningStream << message;
57 }
58
59 static std::stringstream testInfoStream;
60 void TestInfo(const char* message)
61 {
62 testInfoStream << message;
63 }
64
65 /**
66 Extracts the log line payload
67
68 "E0423 16:55:43.001194 LoggingTests.cpp:102] Foo bar?\n"
69 -->
70 "Foo bar"
71
72 If the log line cannot be matched, the function returns false.
73 */
74
75 #define EOLSTRING "\n"
76
77 static bool GetLogLinePayload(std::string& payload,
78 const std::string& logLine)
79 {
80 const char* regexStr = "[A-Z][0-9]{4} [0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6} "
81 "[a-zA-Z\\.\\-_]+:[0-9]+\\] (.*)" EOLSTRING "$";
82
83 boost::regex regexObj(regexStr);
84
85 //std::stringstream regexSStr;
86 //regexSStr << "E[0-9]{4} [0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6} "
87 // "[a-zA-Z\\.\\-_]+:[0-9]+\\](.*)\r\n$";
88 //std::string regexStr = regexSStr.str();
89 boost::regex pattern(regexStr);
90 boost::cmatch what;
91 if (regex_match(logLine.c_str(), what, regexObj))
92 {
93 payload = what[1];
94 return true;
95 }
96 else
97 {
98 return false;
99 }
100 }
101
102
103 namespace
104 {
105 class LoggingMementoScope
106 {
107 public:
108 LoggingMementoScope()
109 {
110 }
111
112 ~LoggingMementoScope()
113 {
114 Orthanc::Logging::Reset();
115 }
116 };
117
118
119 /**
120 * std::streambuf subclass used in FunctionCallingStream
121 **/
122 template<typename T>
123 class FuncStreamBuf : public std::stringbuf
124 {
125 public:
126 FuncStreamBuf(T func) : func_(func) {}
127
128 virtual int sync()
129 {
130 std::string text = this->str();
131 const char* buf = text.c_str();
132 func_(buf);
133 this->str("");
134 return 0;
135 }
136 private:
137 T func_;
138 };
139 }
140
141
142 TEST(FuncStreamBuf, BasicTest)
143 {
144 LoggingMementoScope loggingConfiguration;
145
146 EnableTraceLevel(true);
147
148 typedef void(*LoggingFunctionFunc)(const char*);
149
150 FuncStreamBuf<LoggingFunctionFunc> errorStreamBuf(TestError);
151 std::ostream errorStream(&errorStreamBuf);
152
153 FuncStreamBuf<LoggingFunctionFunc> warningStreamBuf(TestWarning);
154 std::ostream warningStream(&warningStreamBuf);
155
156 FuncStreamBuf<LoggingFunctionFunc> infoStreamBuf(TestInfo);
157 std::ostream infoStream(&infoStreamBuf);
158
159 SetErrorWarnInfoLoggingStreams(errorStream, warningStream, infoStream);
160
161 {
162 const char* text = "E is the set of all sets that do not contain themselves. Does E contain itself?";
163 LOG(ERROR) << text;
164 std::string logLine = testErrorStream.str();
165 testErrorStream.str("");
166 testErrorStream.clear();
167 std::string payload;
168 bool ok = GetLogLinePayload(payload, logLine);
169 ASSERT_TRUE(ok);
170 ASSERT_STREQ(payload.c_str(), text);
171 }
172
173 // make sure loglines do not accumulate
174 {
175 const char* text = "some more nonsensical babblingiciously stupid gibberish";
176 LOG(ERROR) << text;
177 std::string logLine = testErrorStream.str();
178 testErrorStream.str("");
179 testErrorStream.clear();
180 std::string payload;
181 bool ok = GetLogLinePayload(payload, logLine);
182 ASSERT_TRUE(ok);
183 ASSERT_STREQ(payload.c_str(), text);
184 }
185
186 {
187 const char* text = "Trougoudou 53535345345353";
188 LOG(WARNING) << text;
189 std::string logLine = testWarningStream.str();
190 testWarningStream.str("");
191 testWarningStream.clear();
192 std::string payload;
193 bool ok = GetLogLinePayload(payload, logLine);
194 ASSERT_TRUE(ok);
195 ASSERT_STREQ(payload.c_str(), text);
196 }
197
198 {
199 const char* text = "Prout 111929";
200 LOG(INFO) << text;
201 std::string logLine = testInfoStream.str();
202 testInfoStream.str("");
203 testInfoStream.clear();
204 std::string payload;
205 bool ok = GetLogLinePayload(payload, logLine);
206 ASSERT_TRUE(ok);
207 ASSERT_STREQ(payload.c_str(), text);
208 }
209 }