2 * Copyright 2004-present Facebook, Inc.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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 specific language governing permissions and
14 * limitations under the License.
16 #include <folly/Conv.h>
17 #include <folly/Random.h>
18 #include <folly/experimental/logging/LogLevel.h>
19 #include <folly/portability/GTest.h>
21 using namespace folly;
23 TEST(LogLevel, fromString) {
24 EXPECT_EQ(LogLevel::NONE, stringToLogLevel("none"));
25 EXPECT_EQ(LogLevel::NONE, stringToLogLevel("NONE"));
26 EXPECT_EQ(LogLevel::NONE, stringToLogLevel("NoNe"));
27 EXPECT_EQ(LogLevel::NONE, stringToLogLevel("LogLevel::none"));
29 EXPECT_EQ(LogLevel::DEBUG, stringToLogLevel("debug"));
30 EXPECT_EQ(LogLevel::DEBUG, stringToLogLevel("dEBug"));
31 EXPECT_EQ(LogLevel::DEBUG, stringToLogLevel("loglevel::dEBug"));
33 EXPECT_EQ(LogLevel::INFO, stringToLogLevel("info"));
34 EXPECT_EQ(LogLevel::INFO, stringToLogLevel("INFO"));
35 EXPECT_EQ(LogLevel::INFO, stringToLogLevel("loglevel(INFO)"));
37 EXPECT_EQ(LogLevel::WARN, stringToLogLevel("warn"));
38 EXPECT_EQ(LogLevel::WARN, stringToLogLevel("WARN"));
39 EXPECT_EQ(LogLevel::WARN, stringToLogLevel("warning"));
41 EXPECT_EQ(LogLevel::ERR, stringToLogLevel("err"));
42 EXPECT_EQ(LogLevel::ERR, stringToLogLevel("eRr"));
43 EXPECT_EQ(LogLevel::ERR, stringToLogLevel("error"));
44 EXPECT_EQ(LogLevel::ERR, stringToLogLevel("ERROR"));
46 EXPECT_EQ(LogLevel::CRITICAL, stringToLogLevel("critical"));
47 EXPECT_EQ(LogLevel::CRITICAL, stringToLogLevel("CRITICAL"));
49 EXPECT_EQ(LogLevel::MAX_LEVEL, stringToLogLevel("max"));
50 EXPECT_EQ(LogLevel::MAX_LEVEL, stringToLogLevel("Max_Level"));
51 EXPECT_EQ(LogLevel::MAX_LEVEL, stringToLogLevel("LogLevel::MAX"));
52 EXPECT_EQ(LogLevel::MAX_LEVEL, stringToLogLevel("LogLevel::MAX_LEVEL"));
54 EXPECT_EQ(LogLevel::DBG0, stringToLogLevel("dbg0"));
55 EXPECT_EQ(LogLevel::DBG5, stringToLogLevel("dbg5"));
56 EXPECT_EQ(LogLevel::DBG5, stringToLogLevel("DBG5"));
57 EXPECT_EQ(LogLevel::DBG9, stringToLogLevel("DBG9"));
58 EXPECT_EQ(LogLevel::DEBUG + 1, stringToLogLevel("DBG99"));
59 EXPECT_EQ(LogLevel::DEBUG, stringToLogLevel("900"));
60 EXPECT_EQ(LogLevel::DEBUG, stringToLogLevel("LogLevel(900)"));
62 EXPECT_THROW(stringToLogLevel("foobar"), std::range_error);
63 EXPECT_THROW(stringToLogLevel("dbg"), std::range_error);
64 EXPECT_THROW(stringToLogLevel("dbgxyz"), std::range_error);
65 EXPECT_THROW(stringToLogLevel("dbg-1"), std::range_error);
66 EXPECT_THROW(stringToLogLevel("dbg12345"), std::range_error);
67 EXPECT_THROW(stringToLogLevel("900z"), std::range_error);
70 TEST(LogLevel, toString) {
71 EXPECT_EQ("LogLevel::NONE", logLevelToString(LogLevel::NONE));
72 EXPECT_EQ("LogLevel::INFO", logLevelToString(LogLevel::INFO));
73 EXPECT_EQ("LogLevel::WARN", logLevelToString(LogLevel::WARN));
74 EXPECT_EQ("LogLevel::WARN", logLevelToString(LogLevel::WARNING));
75 EXPECT_EQ("LogLevel::DEBUG", logLevelToString(LogLevel::DEBUG));
76 EXPECT_EQ("LogLevel::ERR", logLevelToString(LogLevel::ERR));
77 EXPECT_EQ("LogLevel::CRITICAL", logLevelToString(LogLevel::CRITICAL));
78 EXPECT_EQ("LogLevel::MAX_LEVEL", logLevelToString(LogLevel::MAX_LEVEL));
80 EXPECT_EQ("LogLevel::DBG0", logLevelToString(LogLevel::DBG0));
81 EXPECT_EQ("LogLevel::DBG2", logLevelToString(LogLevel::DBG2));
82 EXPECT_EQ("LogLevel::DBG5", logLevelToString(LogLevel::DBG5));
83 EXPECT_EQ("LogLevel::DBG9", logLevelToString(LogLevel::DBG9));
84 EXPECT_EQ("LogLevel::DBG97", logLevelToString(static_cast<LogLevel>(903)));
85 EXPECT_EQ("LogLevel::DBG64", logLevelToString(LogLevel::DBG4 - 60));
87 EXPECT_EQ("LogLevel(1234)", logLevelToString(static_cast<LogLevel>(1234)));
90 TEST(LogLevel, toStringAndBack) {
91 // Check that stringToLogLevel(logLevelToString()) is the identity function
92 auto checkLevel = [](LogLevel level) {
93 auto stringForm = logLevelToString(level);
94 auto outputLevel = stringToLogLevel(stringForm);
95 EXPECT_EQ(level, outputLevel)
96 << "error converting " << level << " (" << static_cast<uint32_t>(level)
97 << ") to string and back. String is " << stringForm;
100 // Check all of the named levels
101 checkLevel(LogLevel::NONE);
102 checkLevel(LogLevel::DEBUG);
103 checkLevel(LogLevel::DBG0);
104 checkLevel(LogLevel::DBG1);
105 checkLevel(LogLevel::DBG2);
106 checkLevel(LogLevel::DBG3);
107 checkLevel(LogLevel::DBG4);
108 checkLevel(LogLevel::DBG5);
109 checkLevel(LogLevel::DBG6);
110 checkLevel(LogLevel::DBG7);
111 checkLevel(LogLevel::DBG8);
112 checkLevel(LogLevel::DBG9);
113 checkLevel(LogLevel::INFO);
114 checkLevel(LogLevel::WARN);
115 checkLevel(LogLevel::WARNING);
116 checkLevel(LogLevel::ERR);
117 checkLevel(LogLevel::CRITICAL);
118 checkLevel(LogLevel::MAX_LEVEL);
120 // Try with some random integer values
121 for (uint32_t numIters = 0; numIters < 10000; ++numIters) {
123 folly::Random::rand32(static_cast<uint32_t>(LogLevel::MAX_LEVEL));
124 checkLevel(static_cast<LogLevel>(levelValue));