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SCons / test / CPPDEFINES / pkg-config.py

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#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Verify merging with MergeFlags to CPPPDEFINES with various data types.
"""

import TestSCons

test = TestSCons.TestSCons()

if not test.where_is('pkg-config'):
    test.skip_test("Could not find 'pkg-config' in system PATH, skipping test.\n")

test.write('bug.pc', """\
prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include

Name: bug
Description: A test case .pc file
Version: 1.2
Cflags: -DSOMETHING -DVARIABLE=2
""")

test.write('main.c', """\
int main(int argc, char *argv[])
{
  return 0;
}
""")

test.write('SConstruct', """\
# http://scons.tigris.org/issues/show_bug.cgi?id=2671
# Passing test cases
env_1 = Environment(CPPDEFINES=[('DEBUG','1'), 'TEST'])
env_1.ParseConfig('PKG_CONFIG_PATH=. pkg-config --cflags bug')
print env_1.subst('$_CPPDEFFLAGS')

env_2 = Environment(CPPDEFINES=[('DEBUG','1'), 'TEST'])
env_2.MergeFlags('-DSOMETHING -DVARIABLE=2')
print env_2.subst('$_CPPDEFFLAGS')

# Failing test cases
env_3 = Environment(CPPDEFINES={'DEBUG':1, 'TEST':None})
env_3.ParseConfig('PKG_CONFIG_PATH=. pkg-config --cflags bug')
print env_3.subst('$_CPPDEFFLAGS')

env_4 = Environment(CPPDEFINES={'DEBUG':1, 'TEST':None})
env_4.MergeFlags('-DSOMETHING -DVARIABLE=2')
print env_4.subst('$_CPPDEFFLAGS')

# http://scons.tigris.org/issues/show_bug.cgi?id=1738
env_1738_1 = Environment(tools=['default'])
env_1738_1.ParseConfig('PKG_CONFIG_PATH=. pkg-config --cflags --libs bug')
env_1738_1.Append(CPPDEFINES={'value' : '1'})
print env_1738_1.subst('$_CPPDEFFLAGS')
""")

expect_print_output="""\
-DDEBUG=1 -DTEST -DSOMETHING -DVARIABLE=2
-DDEBUG=1 -DTEST -DSOMETHING -DVARIABLE=2
-DDEBUG=1 -DTEST -DSOMETHING -DVARIABLE=2
-DDEBUG=1 -DTEST -DSOMETHING -DVARIABLE=2
-DSOMETHING -DVARIABLE=2 -Dvalue=1
"""

build_output="scons: `.' is up to date.\n"

expect = test.wrap_stdout(build_str=build_output, 
                          read_str = expect_print_output)
test.run(arguments = '.', stdout=expect)
test.pass_test()

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