xref: /freebsd/contrib/kyua/utils/env_test.cpp (revision a90b9d0159070121c221b966469c3e36d912bf82)
1 // Copyright 2010 The Kyua Authors.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 //   notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above copyright
11 //   notice, this list of conditions and the following disclaimer in the
12 //   documentation and/or other materials provided with the distribution.
13 // * Neither the name of Google Inc. nor the names of its contributors
14 //   may be used to endorse or promote products derived from this software
15 //   without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 
29 #include "utils/env.hpp"
30 
31 #include <atf-c++.hpp>
32 
33 #include "utils/fs/path.hpp"
34 #include "utils/optional.ipp"
35 
36 namespace fs = utils::fs;
37 
38 using utils::optional;
39 
40 
41 ATF_TEST_CASE_WITHOUT_HEAD(getallenv);
42 ATF_TEST_CASE_BODY(getallenv)
43 {
44     utils::unsetenv("test-missing");
45     utils::setenv("test-empty", "");
46     utils::setenv("test-text", "some-value");
47 
48     const std::map< std::string, std::string > allenv = utils::getallenv();
49 
50     {
51         const std::map< std::string, std::string >::const_iterator iter =
52             allenv.find("test-missing");
53         ATF_REQUIRE(iter == allenv.end());
54     }
55 
56     {
57         const std::map< std::string, std::string >::const_iterator iter =
58             allenv.find("test-empty");
59         ATF_REQUIRE(iter != allenv.end());
60         ATF_REQUIRE((*iter).second.empty());
61     }
62 
63     {
64         const std::map< std::string, std::string >::const_iterator iter =
65             allenv.find("test-text");
66         ATF_REQUIRE(iter != allenv.end());
67         ATF_REQUIRE_EQ("some-value", (*iter).second);
68     }
69 
70     if (utils::getenv("PATH")) {
71         const std::map< std::string, std::string >::const_iterator iter =
72             allenv.find("PATH");
73         ATF_REQUIRE(iter != allenv.end());
74         ATF_REQUIRE_EQ(utils::getenv("PATH").get(), (*iter).second);
75     }
76 }
77 
78 
79 ATF_TEST_CASE_WITHOUT_HEAD(getenv);
80 ATF_TEST_CASE_BODY(getenv)
81 {
82     const optional< std::string > path = utils::getenv("PATH");
83     ATF_REQUIRE(path);
84     ATF_REQUIRE(!path.get().empty());
85 
86     ATF_REQUIRE(!utils::getenv("__UNDEFINED_VARIABLE__"));
87 }
88 
89 
90 ATF_TEST_CASE_WITHOUT_HEAD(getenv_with_default);
91 ATF_TEST_CASE_BODY(getenv_with_default)
92 {
93     ATF_REQUIRE("don't use" !=
94                 utils::getenv_with_default("PATH", "don't use"));
95 
96     ATF_REQUIRE_EQ("foo",
97                    utils::getenv_with_default("__UNDEFINED_VARIABLE__", "foo"));
98 }
99 
100 
101 ATF_TEST_CASE_WITHOUT_HEAD(get_home__ok);
102 ATF_TEST_CASE_BODY(get_home__ok)
103 {
104     const fs::path home("/foo/bar");
105     utils::setenv("HOME", home.str());
106     const optional< fs::path > computed = utils::get_home();
107     ATF_REQUIRE(computed);
108     ATF_REQUIRE_EQ(home, computed.get());
109 }
110 
111 
112 ATF_TEST_CASE_WITHOUT_HEAD(get_home__missing);
113 ATF_TEST_CASE_BODY(get_home__missing)
114 {
115     utils::unsetenv("HOME");
116     ATF_REQUIRE(!utils::get_home());
117 }
118 
119 
120 ATF_TEST_CASE_WITHOUT_HEAD(get_home__invalid);
121 ATF_TEST_CASE_BODY(get_home__invalid)
122 {
123     utils::setenv("HOME", "");
124     ATF_REQUIRE(!utils::get_home());
125 }
126 
127 
128 ATF_TEST_CASE_WITHOUT_HEAD(setenv);
129 ATF_TEST_CASE_BODY(setenv)
130 {
131     ATF_REQUIRE(utils::getenv("PATH"));
132     const std::string oldval = utils::getenv("PATH").get();
133     utils::setenv("PATH", "foo-bar");
134     ATF_REQUIRE(utils::getenv("PATH").get() != oldval);
135     ATF_REQUIRE_EQ("foo-bar", utils::getenv("PATH").get());
136 
137     ATF_REQUIRE(!utils::getenv("__UNDEFINED_VARIABLE__"));
138     utils::setenv("__UNDEFINED_VARIABLE__", "foo2-bar2");
139     ATF_REQUIRE_EQ("foo2-bar2", utils::getenv("__UNDEFINED_VARIABLE__").get());
140 }
141 
142 
143 ATF_TEST_CASE_WITHOUT_HEAD(unsetenv);
144 ATF_TEST_CASE_BODY(unsetenv)
145 {
146     ATF_REQUIRE(utils::getenv("PATH"));
147     utils::unsetenv("PATH");
148     ATF_REQUIRE(!utils::getenv("PATH"));
149 }
150 
151 
152 ATF_INIT_TEST_CASES(tcs)
153 {
154     ATF_ADD_TEST_CASE(tcs, getallenv);
155 
156     ATF_ADD_TEST_CASE(tcs, getenv);
157 
158     ATF_ADD_TEST_CASE(tcs, getenv_with_default);
159 
160     ATF_ADD_TEST_CASE(tcs, get_home__ok);
161     ATF_ADD_TEST_CASE(tcs, get_home__missing);
162     ATF_ADD_TEST_CASE(tcs, get_home__invalid);
163 
164     ATF_ADD_TEST_CASE(tcs, setenv);
165 
166     ATF_ADD_TEST_CASE(tcs, unsetenv);
167 }
168