diff options
Diffstat (limited to 'test/Requires')
-rw-r--r-- | test/Requires/basic.py | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/test/Requires/basic.py b/test/Requires/basic.py new file mode 100644 index 0000000..59cdd37 --- /dev/null +++ b/test/Requires/basic.py @@ -0,0 +1,95 @@ +#!/usr/bin/env python +# +# __COPYRIGHT__ +# +# 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__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__" + +""" +Verify basic operation of the env.Requires() method for specifying +order-only prerequisites. +""" + +import TestSCons + +test = TestSCons.TestSCons() + +test.write('SConstruct', """ +def append_prereq_func(target, source, env): + fp = open(str(target[0]), 'wb') + for s in map(str, source): + fp.write(open(s, 'rb').read()) + fp.write(open('prereq.out', 'rb').read()) + fp.close() + return None +append_prereq = Action(append_prereq_func) +env = Environment() +env.Requires('file.out', 'prereq.out') +env.Command('file.out', 'file.in', append_prereq) +env.Command('prereq.out', 'prereq.in', Copy('$TARGET', '$SOURCES')) +""") + +test.write('file.in', "file.in 1\n") +test.write('prereq.in', "prereq.in 1\n") + +# First: build file.out. prereq.out should be built first, and if +# not, we'll get an error when the build action tries to use it to +# build file.out. + +test.run(arguments = 'file.out') + +test.must_match('prereq.out', "prereq.in 1\n") +test.must_match('file.out', "file.in 1\nprereq.in 1\n") + +# Update the prereq.out file. file.out should still be up to date because +# prereq.out is not actually a dependency, so we don't detect the +# underlying change. + +test.write('prereq.out', "prereq.out 2\n") + +test.up_to_date(arguments = 'file.out') + +# Now update the prereq.in file. Trying to rebuild file.out should +# cause prereq.out to be updated because of the change, but file.out +# should *not* be rebuilt because, again, prereq.out isn't actually +# a dependency that causes rebuilds. + +test.write('prereq.in', "prereq.in 3\n") + +test.run(arguments = 'file.out') + +test.must_match('prereq.out', "prereq.in 3\n") +test.must_match('file.out', "file.in 1\nprereq.in 1\n") + +# Now update file.in, which will cause file.out to be rebuilt, picking +# up the change(s) to prereq.out of which we were previously oblivious. + +test.write('file.in', 'file.in 4\n') + +test.run(arguments = 'file.out') + +test.must_match('prereq.out', "prereq.in 3\n") +test.must_match('file.out', "file.in 4\nprereq.in 3\n") + + + +test.pass_test() |