test/ninja/ninja_file_deterministic.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright The SCons Foundation
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining
   6 # a copy of this software and associated documentation files (the
   7 # "Software"), to deal in the Software without restriction, including
   8 # without limitation the rights to use, copy, modify, merge, publish,
   9 # distribute, sublicense, and/or sell copies of the Software, and to
  10 # permit persons to whom the Software is furnished to do so, subject to
  11 # the following conditions:
  12 #
  13 # The above copyright notice and this permission notice shall be included
  14 # in all copies or substantial portions of the Software.
  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  17 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  18 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 #
  24
  25 import os
  26 import shutil
  27 import filecmp
  28
  29 import TestSCons
  30 from TestCmd import IS_WINDOWS
  31
  32 test = TestSCons.TestSCons()
  33
  34 try:
  35     import ninja
  36 except ImportError:
  37     test.skip_test("Could not find module in python")
  38
  39 _python_ = TestSCons._python_
  40 _exe = TestSCons._exe
  41
  42 ninja_bin = os.path.abspath(os.path.join(
  43     ninja.BIN_DIR,
  44     'ninja' + _exe))
  45
  46 test.dir_fixture('ninja-fixture')
  47
  48 test.file_fixture('ninja_test_sconscripts/sconstruct_ninja_determinism', 'SConstruct')
  49
  50 # generate simple build
  51 test.run(stdout=None)
  52 test.must_contain_all_lines(test.stdout(), ['Generating: build.ninja'])
  53 test.must_contain_all(test.stdout(), 'Executing:')
  54 test.must_contain_all(test.stdout(), 'ninja%(_exe)s -f' % locals())
  55 test.must_exist([test.workpath('out1.txt'), test.workpath('out2.txt')])
  56 shutil.copyfile(test.workpath('build.ninja'), test.workpath('build.ninja.orig'))
  57
  58 ninja_file_mtime = os.path.getmtime(test.workpath('build.ninja'))
  59
  60 # generate same build again
  61 test.run(stdout=None)
  62 test.must_contain_all_lines(test.stdout(), ['Generating: build.ninja', 'ninja: no work to do.'])
  63 test.must_contain_all(test.stdout(), 'Executing:')
  64 test.must_contain_all(test.stdout(), 'ninja%(_exe)s -f' % locals())
  65 test.must_exist([test.workpath('out1.txt'), test.workpath('out2.txt')])
  66
  67 if os.path.getmtime(test.workpath('build.ninja')) != ninja_file_mtime:
  68     test.fail_test(message="build.ninja file has been updated (mtime changed) and should not have been")
  69
  70 # make sure the ninja file was deterministic
  71 if not filecmp.cmp(test.workpath('build.ninja'), test.workpath('build.ninja.orig')):
  72     test.fail_test()
  73
  74 # clean build and ninja files
  75 os.unlink(test.workpath('build.ninja.orig'))
  76 test.run(arguments='-c', stdout=None)
  77
  78 # only generate the ninja file
  79 test.run(arguments='--disable-execute-ninja', stdout=None)
  80 test.must_contain_all_lines(test.stdout(), ['Generating: build.ninja'])
  81 test.must_not_exist([test.workpath('out1.txt'), test.workpath('out2.txt')])
  82
  83 # run ninja independently
  84 program = test.workpath('run_ninja_env.bat') if IS_WINDOWS else ninja_bin
  85 test.run(program=program, stdout=None)
  86 test.must_exist([test.workpath('out1.txt'), test.workpath('out2.txt')])
  87 shutil.copyfile(test.workpath('build.ninja'), test.workpath('build.ninja.orig'))
  88
  89 # only generate the ninja file again
  90 test.run(arguments='--disable-execute-ninja', stdout=None)
  91 test.must_contain_all_lines(test.stdout(), ['Generating: build.ninja'])
  92 test.must_exist([test.workpath('out1.txt'), test.workpath('out2.txt')])
  93
  94 # run ninja independently again
  95 program = test.workpath('run_ninja_env.bat') if IS_WINDOWS else ninja_bin
  96 test.run(program=program, stdout=None)
  97 test.must_contain_all_lines(test.stdout(), ['ninja: no work to do.'])
  98 test.must_exist([test.workpath('out1.txt'), test.workpath('out2.txt')])
  99
 100 # make sure the ninja file was deterministic
 101 if not filecmp.cmp(test.workpath('build.ninja'), test.workpath('build.ninja.orig')):
 102     test.fail_test()
 103
 104 test.pass_test()
 105
 106 # Local Variables:
 107 # tab-width:4
 108 # indent-tabs-mode:nil
 109 # End:
 110 # vim: set expandtab tabstop=4 shiftwidth=4: