summaryrefslogtreecommitdiff
path: root/src/engine/SCons/Platform/PlatformTests.py
blob: 794162576a1858f3c72a982ab2e4c4ab5aaa00d9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
#
# Copyright (c) 2001 - 2019 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#

__revision__ = "src/engine/SCons/Platform/PlatformTests.py e724ae812eb96f4858a132f5b8c769724744faf6 2019-07-21 00:04:47 bdeegan"

import SCons.compat

import collections
import unittest
import os

import SCons.Errors
import SCons.Platform
import SCons.Environment
import SCons.Action


class Environment(collections.UserDict):
    def Detect(self, cmd):
        return cmd

    def AppendENVPath(self, key, value):
        pass


class PlatformTestCase(unittest.TestCase):
    def test_Platform(self):
        """Test the Platform() function"""
        p = SCons.Platform.Platform('cygwin')
        assert str(p) == 'cygwin', p
        env = Environment()
        p(env)
        assert env['PROGSUFFIX'] == '.exe', env
        assert env['LIBSUFFIX'] == '.a', env
        assert env['SHELL'] == 'sh', env

        p = SCons.Platform.Platform('os2')
        assert str(p) == 'os2', p
        env = Environment()
        p(env)
        assert env['PROGSUFFIX'] == '.exe', env
        assert env['LIBSUFFIX'] == '.lib', env

        p = SCons.Platform.Platform('posix')
        assert str(p) == 'posix', p
        env = Environment()
        p(env)
        assert env['PROGSUFFIX'] == '', env
        assert env['LIBSUFFIX'] == '.a', env
        assert env['SHELL'] == 'sh', env

        p = SCons.Platform.Platform('irix')
        assert str(p) == 'irix', p
        env = Environment()
        p(env)
        assert env['PROGSUFFIX'] == '', env
        assert env['LIBSUFFIX'] == '.a', env
        assert env['SHELL'] == 'sh', env

        p = SCons.Platform.Platform('aix')
        assert str(p) == 'aix', p
        env = Environment()
        p(env)
        assert env['PROGSUFFIX'] == '', env
        assert env['LIBSUFFIX'] == '.a', env
        assert env['SHELL'] == 'sh', env

        p = SCons.Platform.Platform('sunos')
        assert str(p) == 'sunos', p
        env = Environment()
        p(env)
        assert env['PROGSUFFIX'] == '', env
        assert env['LIBSUFFIX'] == '.a', env
        assert env['SHELL'] == 'sh', env

        p = SCons.Platform.Platform('hpux')
        assert str(p) == 'hpux', p
        env = Environment()
        p(env)
        assert env['PROGSUFFIX'] == '', env
        assert env['LIBSUFFIX'] == '.a', env
        assert env['SHELL'] == 'sh', env

        p = SCons.Platform.Platform('win32')
        assert str(p) == 'win32', p
        env = Environment()
        p(env)
        assert env['PROGSUFFIX'] == '.exe', env
        assert env['LIBSUFFIX'] == '.lib', env
        assert str

        try:
            p = SCons.Platform.Platform('_does_not_exist_')
        except SCons.Errors.UserError:
            pass
        else:   # TODO pylint E0704: bare raise not inside except
            raise

        env = Environment()
        SCons.Platform.Platform()(env)
        assert env != {}, env


class TempFileMungeTestCase(unittest.TestCase):
    def test_MAXLINELENGTH(self):
        """ Test different values for MAXLINELENGTH with the same
            size command string to ensure that the temp file mechanism
            kicks in only at MAXLINELENGTH+1, or higher
        """
        # Init class with cmd, such that the fully expanded
        # string reads "a test command line".
        # Note, how we're using a command string here that is
        # actually longer than the substituted one. This is to ensure
        # that the TempFileMunge class internally really takes the
        # length of the expanded string into account.
        defined_cmd = "a $VERY $OVERSIMPLIFIED line"
        t = SCons.Platform.TempFileMunge(defined_cmd)
        env = SCons.Environment.SubstitutionEnvironment(tools=[])
        # Setting the line length high enough...
        env['MAXLINELENGTH'] = 1024
        env['VERY'] = 'test'
        env['OVERSIMPLIFIED'] = 'command'
        expanded_cmd = env.subst(defined_cmd)
        # Call the tempfile munger
        cmd = t(None, None, env, 0)
        assert cmd == defined_cmd, cmd
        # Let MAXLINELENGTH equal the string's length
        env['MAXLINELENGTH'] = len(expanded_cmd)
        cmd = t(None, None, env, 0)
        assert cmd == defined_cmd, cmd
        # Finally, let the actual tempfile mechanism kick in
        # Disable printing of actions...
        old_actions = SCons.Action.print_actions
        SCons.Action.print_actions = 0
        env['MAXLINELENGTH'] = len(expanded_cmd)-1
        cmd = t(None, None, env, 0)
        # ...and restoring its setting.
        SCons.Action.print_actions = old_actions
        assert cmd != defined_cmd, cmd

    def test_TEMPFILEARGJOINBYTE(self):
        """ 
        Test argument join byte TEMPFILEARGJOINBYTE
        """

        # Init class with cmd, such that the fully expanded
        # string reads "a test command line".
        # Note, how we're using a command string here that is
        # actually longer than the substituted one. This is to ensure
        # that the TempFileMunge class internally really takes the
        # length of the expanded string into account.
        defined_cmd = "a $VERY $OVERSIMPLIFIED line"
        t = SCons.Platform.TempFileMunge(defined_cmd)
        env = SCons.Environment.SubstitutionEnvironment(tools=[])
        # Setting the line length high enough...
        env['MAXLINELENGTH'] = 1024
        env['VERY'] = 'test'
        env['OVERSIMPLIFIED'] = 'command'
        env['TEMPFILEARGJOINBYTE'] = os.linesep
        expanded_cmd = env.subst(defined_cmd)

        # For tempfilemunge to operate.
        old_actions = SCons.Action.print_actions
        SCons.Action.print_actions = 0
        env['MAXLINELENGTH'] = len(expanded_cmd)-1
        cmd = t(None, None, env, 0)
        # print("CMD is:%s"%cmd)

        with open(cmd[-1],'rb') as f:
            file_content = f.read()
        # print("Content is:[%s]"%file_content)
        # ...and restoring its setting.
        SCons.Action.print_actions = old_actions
        assert file_content != env['TEMPFILEARGJOINBYTE'].join(['test','command','line'])


    def test_tempfilecreation_once(self):
        # Init class with cmd, such that the fully expanded
        # string reads "a test command line".
        # Note, how we're using a command string here that is
        # actually longer than the substituted one. This is to ensure
        # that the TempFileMunge class internally really takes the
        # length of the expanded string into account.
        defined_cmd = "a $VERY $OVERSIMPLIFIED line"
        t = SCons.Platform.TempFileMunge(defined_cmd)
        env = SCons.Environment.SubstitutionEnvironment(tools=[])
        # Setting the line length high enough...
        env['VERY'] = 'test'
        env['OVERSIMPLIFIED'] = 'command'
        expanded_cmd = env.subst(defined_cmd)
        env['MAXLINELENGTH'] = len(expanded_cmd)-1
        # Disable printing of actions...
        old_actions = SCons.Action.print_actions
        SCons.Action.print_actions = 0
        # Create an instance of object derived class to allow setattrb

        class Node(object):
            class Attrs(object):
                pass

            def __init__(self):
                self.attributes = self.Attrs()
        target = [Node()]
        cmd = t(target, None, env, 0)
        # ...and restoring its setting.
        SCons.Action.print_actions = old_actions
        assert cmd != defined_cmd, cmd
        assert cmd == getattr(target[0].attributes, 'tempfile_cmdlist', None)


class PlatformEscapeTestCase(unittest.TestCase):
    def test_posix_escape(self):
        """  Check that paths with parens are escaped properly
        """
        import SCons.Platform.posix

        test_string = "/my (really) great code/main.cpp"
        output = SCons.Platform.posix.escape(test_string)

        # We expect the escape function to wrap the string
        # in quotes, but not escape any internal characters
        # in the test_string. (Parens doesn't require shell
        # escaping if their quoted)
        assert output[1:-1] == test_string


if __name__ == "__main__":
    unittest.main()


# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4: