1 // Copyright (c) 2010 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 "base/vlog.h"
6 
7 #include "base/time/time.h"
8 #include "testing/gtest/include/gtest/gtest.h"
9 
10 namespace logging {
11 
12 namespace {
13 
TEST(VlogTest,NoVmodule)14 TEST(VlogTest, NoVmodule) {
15   int min_log_level = 0;
16   EXPECT_EQ(0,
17             VlogInfo(std::string(), std::string(), &min_log_level)
18                 .GetVlogLevel("test1"));
19   EXPECT_EQ(0,
20             VlogInfo("0", std::string(), &min_log_level).GetVlogLevel("test2"));
21   EXPECT_EQ(
22       0, VlogInfo("blah", std::string(), &min_log_level).GetVlogLevel("test3"));
23   EXPECT_EQ(
24       0,
25       VlogInfo("0blah1", std::string(), &min_log_level).GetVlogLevel("test4"));
26   EXPECT_EQ(1,
27             VlogInfo("1", std::string(), &min_log_level).GetVlogLevel("test5"));
28   EXPECT_EQ(5,
29             VlogInfo("5", std::string(), &min_log_level).GetVlogLevel("test6"));
30 }
31 
TEST(VlogTest,MatchVlogPattern)32 TEST(VlogTest, MatchVlogPattern) {
33   // Degenerate cases.
34   EXPECT_TRUE(MatchVlogPattern("", ""));
35   EXPECT_TRUE(MatchVlogPattern("", "****"));
36   EXPECT_FALSE(MatchVlogPattern("", "x"));
37   EXPECT_FALSE(MatchVlogPattern("x", ""));
38 
39   // Basic.
40   EXPECT_TRUE(MatchVlogPattern("blah", "blah"));
41 
42   // ? should match exactly one character.
43   EXPECT_TRUE(MatchVlogPattern("blah", "bl?h"));
44   EXPECT_FALSE(MatchVlogPattern("blh", "bl?h"));
45   EXPECT_FALSE(MatchVlogPattern("blaah", "bl?h"));
46   EXPECT_TRUE(MatchVlogPattern("blah", "?lah"));
47   EXPECT_FALSE(MatchVlogPattern("lah", "?lah"));
48   EXPECT_FALSE(MatchVlogPattern("bblah", "?lah"));
49 
50   // * can match any number (even 0) of characters.
51   EXPECT_TRUE(MatchVlogPattern("blah", "bl*h"));
52   EXPECT_TRUE(MatchVlogPattern("blabcdefh", "bl*h"));
53   EXPECT_TRUE(MatchVlogPattern("blh", "bl*h"));
54   EXPECT_TRUE(MatchVlogPattern("blah", "*blah"));
55   EXPECT_TRUE(MatchVlogPattern("ohblah", "*blah"));
56   EXPECT_TRUE(MatchVlogPattern("blah", "blah*"));
57   EXPECT_TRUE(MatchVlogPattern("blahhhh", "blah*"));
58   EXPECT_TRUE(MatchVlogPattern("blahhhh", "blah*"));
59   EXPECT_TRUE(MatchVlogPattern("blah", "*blah*"));
60   EXPECT_TRUE(MatchVlogPattern("blahhhh", "*blah*"));
61   EXPECT_TRUE(MatchVlogPattern("bbbblahhhh", "*blah*"));
62 
63   // Multiple *s should work fine.
64   EXPECT_TRUE(MatchVlogPattern("ballaah", "b*la*h"));
65   EXPECT_TRUE(MatchVlogPattern("blah", "b*la*h"));
66   EXPECT_TRUE(MatchVlogPattern("bbbblah", "b*la*h"));
67   EXPECT_TRUE(MatchVlogPattern("blaaah", "b*la*h"));
68 
69   // There should be no escaping going on.
70   EXPECT_TRUE(MatchVlogPattern("bl\\ah", "bl\\?h"));
71   EXPECT_FALSE(MatchVlogPattern("bl?h", "bl\\?h"));
72   EXPECT_TRUE(MatchVlogPattern("bl\\aaaah", "bl\\*h"));
73   EXPECT_FALSE(MatchVlogPattern("bl*h", "bl\\*h"));
74 
75   // Any slash matches any slash.
76   EXPECT_TRUE(MatchVlogPattern("/b\\lah", "/b\\lah"));
77   EXPECT_TRUE(MatchVlogPattern("\\b/lah", "/b\\lah"));
78 }
79 
TEST(VlogTest,VmoduleBasic)80 TEST(VlogTest, VmoduleBasic) {
81   const char kVSwitch[] = "-1";
82   const char kVModuleSwitch[] =
83       "foo=,bar=0,baz=blah,,qux=0blah1,quux=1,corge.ext=5";
84   int min_log_level = 0;
85   VlogInfo vlog_info(kVSwitch, kVModuleSwitch, &min_log_level);
86   EXPECT_EQ(-1, vlog_info.GetVlogLevel("/path/to/grault.cc"));
87   EXPECT_EQ(0, vlog_info.GetVlogLevel("/path/to/foo.cc"));
88   EXPECT_EQ(0, vlog_info.GetVlogLevel("D:\\Path\\To\\bar-inl.mm"));
89   EXPECT_EQ(-1, vlog_info.GetVlogLevel("D:\\path\\to what/bar_unittest.m"));
90   EXPECT_EQ(0, vlog_info.GetVlogLevel("baz.h"));
91   EXPECT_EQ(0, vlog_info.GetVlogLevel("/another/path/to/qux.h"));
92   EXPECT_EQ(1, vlog_info.GetVlogLevel("/path/to/quux"));
93   EXPECT_EQ(5, vlog_info.GetVlogLevel("c:\\path/to/corge.ext.h"));
94 }
95 
TEST(VlogTest,VmoduleDirs)96 TEST(VlogTest, VmoduleDirs) {
97   const char kVModuleSwitch[] =
98       "foo/bar.cc=1,baz\\*\\qux.cc=2,*quux/*=3,*/*-inl.h=4";
99   int min_log_level = 0;
100   VlogInfo vlog_info(std::string(), kVModuleSwitch, &min_log_level);
101   EXPECT_EQ(0, vlog_info.GetVlogLevel("/foo/bar.cc"));
102   EXPECT_EQ(0, vlog_info.GetVlogLevel("bar.cc"));
103   EXPECT_EQ(1, vlog_info.GetVlogLevel("foo/bar.cc"));
104 
105   EXPECT_EQ(0, vlog_info.GetVlogLevel("baz/grault/qux.h"));
106   EXPECT_EQ(0, vlog_info.GetVlogLevel("/baz/grault/qux.cc"));
107   EXPECT_EQ(2, vlog_info.GetVlogLevel("baz/grault/qux.cc"));
108   EXPECT_EQ(2, vlog_info.GetVlogLevel("baz/grault/blah/qux.cc"));
109   EXPECT_EQ(2, vlog_info.GetVlogLevel("baz\\grault\\qux.cc"));
110   EXPECT_EQ(2, vlog_info.GetVlogLevel("baz\\grault//blah\\qux.cc"));
111 
112   EXPECT_EQ(0, vlog_info.GetVlogLevel("/foo/bar/baz/quux.cc"));
113   EXPECT_EQ(3, vlog_info.GetVlogLevel("/foo/bar/baz/quux/grault.cc"));
114   EXPECT_EQ(3, vlog_info.GetVlogLevel("/foo\\bar/baz\\quux/grault.cc"));
115 
116   EXPECT_EQ(0, vlog_info.GetVlogLevel("foo/bar/test-inl.cc"));
117   EXPECT_EQ(4, vlog_info.GetVlogLevel("foo/bar/test-inl.h"));
118   EXPECT_EQ(4, vlog_info.GetVlogLevel("foo/bar/baz/blah-inl.h"));
119 }
120 
121 }  // namespace
122 
123 }  // namespace logging
124