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Diffstat (limited to 'test/Actions/function.py')
| -rw-r--r-- | test/Actions/function.py | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/test/Actions/function.py b/test/Actions/function.py new file mode 100644 index 0000000..02dbcc7 --- /dev/null +++ b/test/Actions/function.py @@ -0,0 +1,238 @@ +#!/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__" + +import sys + +import TestSCons + +_python_ = TestSCons._python_ + +test = TestSCons.TestSCons() + +# +# Test that the signature of function action includes all the +# necessary pieces. +# + +test.write('SConstruct', r""" +import re + +import SCons.Action +import SCons.Builder + +options = Variables() +options.AddVariables( + ('header', 'Header string (default cell argument)', 'Head:'), + ('trailer', 'Trailer string (default cell argument)', 'Tail'), + ('NbDeps', 'Number of dependencies', '2'), + ('separator', 'Separator for the dependencies (function constant)', ':'), + ('closure_cell_value', 'Value of a closure cell', '25'), + ('b', 'Value of b (value default argument', '7'), + ('regexp', 'Regexp (object as a default argument', 'a(a*)'), + ('docstring', 'Docstring', 'docstring'), + ('extracode', 'Extra code for the builder function', ''), + ('extraarg', 'Extra arg builder function', ''), + ('nestedfuncexp', 'Expression for the nested function', 'xxx - b'), +) + +optEnv = Environment(options=options, tools=[]) + +r = re.compile(optEnv['regexp']) + +withClosure = \ +r''' +def toto(header='%(header)s', trailer='%(trailer)s'): + xxx = %(closure_cell_value)s + def writeDeps(target, source, env, b=%(b)s, r=r %(extraarg)s , + header=header, trailer=trailer): + """+'"""%(docstring)s"""'+""" + def foo(b=b): + return %(nestedfuncexp)s + f = open(str(target[0]),'wb') + f.write(header) + for d in env['ENVDEPS']: + f.write(d+'%(separator)s') + f.write(trailer+'\\n') + f.write(str(foo())+'\\n') + f.write(r.match('aaaa').group(1)+'\\n') + %(extracode)s + try: + f.write(str(xarg)+'\\n') + except NameError: + pass + f.close() + + return writeDeps +''' + +NoClosure = \ +r''' +def toto(header='%(header)s', trailer='%(trailer)s'): + xxx = %(closure_cell_value)s + def writeDeps(target, source, env, b=%(b)s, r=r %(extraarg)s , + header=header, trailer=trailer, xxx=xxx): + """+'"""%(docstring)s"""'+""" + def foo(b=b, xxx=xxx): + return %(nestedfuncexp)s + f = open(str(target[0]),'wb') + f.write(header) + for d in env['ENVDEPS']: + f.write(d+'%(separator)s') + f.write(trailer+'\\n') + f.write(str(foo())+'\\n') + f.write(r.match('aaaa').group(1)+'\\n') + %(extracode)s + try: + f.write(str(xarg)+'\\n') + except NameError: + pass + f.close() + + return writeDeps +''' + +try: + # Check that lexical closure are supported + def a(): + x = 0 + def b(): + return x + return b + a().func_closure[0].cell_contents + exec( withClosure % optEnv ) +except (AttributeError, TypeError): + exec( NoClosure % optEnv ) + +genHeaderBld = SCons.Builder.Builder( + action = SCons.Action.Action( + toto(), + 'Generating $TARGET', + varlist=['ENVDEPS'] + ), + suffix = '.gen.h' + ) + +env = Environment() +env.Append(BUILDERS = {'GenHeader' : genHeaderBld}) + +envdeps = list(map(str, range(int(optEnv['NbDeps'])))) + +env.GenHeader('Out', None, ENVDEPS=envdeps) +""") + + +rebuildstr = """\ +scons: Reading SConscript files ... +scons: done reading SConscript files. +scons: Building targets ... +Generating Out.gen.h +scons: done building targets. +""" + +nobuildstr = """\ +scons: Reading SConscript files ... +scons: done reading SConscript files. +scons: Building targets ... +scons: `.' is up to date. +scons: done building targets. +""" + +def runtest(arguments, expectedOutFile, expectedRebuild=True, stderr=""): + test.run(arguments=arguments, + stdout=expectedRebuild and rebuildstr or nobuildstr, + stderr="") + test.must_match('Out.gen.h', expectedOutFile) + + # Should not be rebuild when run a second time with the same + # arguments. + + test.run(arguments = arguments, stdout=nobuildstr, stderr="") + test.must_match('Out.gen.h', expectedOutFile) + + +# We're making this script chatty to prevent timeouts on really really +# slow buildbot slaves (*cough* Solaris *cough*). + +sys.stdout.write('Original build.\n') +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +sys.stdout.write('Changing a docstring should not cause a rebuild.\n') +runtest('docstring=ThisBuilderDoesXAndY', """Head:0:1:Tail\n18\naaa\n""", False) +runtest('docstring=SuperBuilder', """Head:0:1:Tail\n18\naaa\n""", False) +runtest('docstring=', """Head:0:1:Tail\n18\naaa\n""", False) + +sys.stdout.write('Changing a variable in the varlist should cause a rebuild.\n') +runtest('NbDeps=3', """Head:0:1:2:Tail\n18\naaa\n""") +runtest('NbDeps=4', """Head:0:1:2:3:Tail\n18\naaa\n""") +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +sys.stdout.write('Changing the function code should cause a rebuild.\n') +runtest('extracode=f.write("XX\\n")', """Head:0:1:Tail\n18\naaa\nXX\n""") +runtest('extracode=a=2', """Head:0:1:Tail\n18\naaa\n""") +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +sys.stdout.write('Changing a constant in the function code should cause a rebuild.\n') +runtest('separator=,', """Head:0,1,Tail\n18\naaa\n""") +runtest('separator=;', """Head:0;1;Tail\n18\naaa\n""") +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +sys.stdout.write('Changing the code of a nested function should cause a rebuild.\n') +runtest('nestedfuncexp=b-xxx', """Head:0:1:Tail\n-18\naaa\n""") +runtest('nestedfuncexp=b+xxx', """Head:0:1:Tail\n32\naaa\n""") +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +sys.stdout.write('Adding an extra argument should cause a rebuild.\n') +runtest('extraarg=,xarg=2', """Head:0:1:Tail\n18\naaa\n2\n""") +runtest('extraarg=,xarg=5', """Head:0:1:Tail\n18\naaa\n5\n""") +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +sys.stdout.write('Changing the value of a default argument should cause a rebuild: a value.\n') +runtest('b=0', """Head:0:1:Tail\n25\naaa\n""") +runtest('b=9', """Head:0:1:Tail\n16\naaa\n""") +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +sys.stdout.write('Changing the value of a default argument should cause a rebuild: an object.\n') +runtest('regexp=(aaaa)', """Head:0:1:Tail\n18\naaaa\n""") +runtest('regexp=aa(a+)', """Head:0:1:Tail\n18\naa\n""") +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +sys.stdout.write('Changing the value of a closure cell value should cause a rebuild: a value.\n') +runtest('closure_cell_value=32', """Head:0:1:Tail\n25\naaa\n""") +runtest('closure_cell_value=7', """Head:0:1:Tail\n0\naaa\n""") +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +sys.stdout.write('Changing the value of a closure cell value should cause a rebuild: a default argument.\n') +runtest('header=MyHeader:', """MyHeader:0:1:Tail\n18\naaa\n""") +runtest('trailer=MyTrailer', """Head:0:1:MyTrailer\n18\naaa\n""") +runtest('', """Head:0:1:Tail\n18\naaa\n""") + +test.pass_test() + +# Local Variables: +# tab-width:4 +# indent-tabs-mode:nil +# End: +# vim: set expandtab tabstop=4 shiftwidth=4: |