#!/usr/bin/env python
#
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# a copy of this software and associated documentation files (the
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# 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:
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Test SWIG behavior with a live, installed SWIG.
"""

import string
import sys

import TestSCons

if sys.platform =='darwin':
    # change to make it work with stock OS X python framework
    # we can't link to static libpython because there isn't one on OS X
    # so we link to a framework version. However, testing must also
    # use the same version, or else you get interpreter errors.
    python = "/System/Library/Frameworks/Python.framework/Versions/Current/bin/python"
    _python_ = '"' + python + '"'
else:
    python = TestSCons.python
    _python_ = TestSCons._python_

# swig-python expects specific filenames.
# the platform specific suffix won't necessarily work.
if sys.platform == 'win32':
    _dll = '.dll'
else:
    _dll   = '.so' 

test = TestSCons.TestSCons()

swig = test.where_is('swig')

if not swig:
    test.skip_test('Can not find installed "swig", skipping test.\n')



version = sys.version[:3] # see also sys.prefix documentation

# handle testing on other platforms:
ldmodule_prefix = '_'

frameworks = ''
platform_sys_prefix = sys.prefix
if sys.platform == 'darwin':
    # OS X has a built-in Python but no static libpython
    # so you should link to it using apple's 'framework' scheme.
    # (see top of file for further explanation)
    frameworks = '-framework Python'
    platform_sys_prefix = '/System/Library/Frameworks/Python.framework/Versions/%s/' % version
    
test.write("wrapper.py",
"""import os
import string
import sys
open('%s', 'wb').write("wrapper.py\\n")
os.system(string.join(sys.argv[1:], " "))
""" % string.replace(test.workpath('wrapper.out'), '\\', '\\\\'))

test.write('SConstruct', """
foo = Environment(SWIGFLAGS='-python',
                  CPPPATH='%(platform_sys_prefix)s/include/python%(version)s/',
                  LDMODULEPREFIX='%(ldmodule_prefix)s',
                  LDMODULESUFFIX='%(_dll)s',
                  FRAMEWORKSFLAGS='%(frameworks)s',
                  )

swig = foo.Dictionary('SWIG')
bar = foo.Clone(SWIG = r'%(_python_)s wrapper.py ' + swig)
foo.LoadableModule(target = 'foo', source = ['foo.c', 'foo.i'])
bar.LoadableModule(target = 'bar', source = ['bar.c', 'bar.i'])
""" % locals())

test.write("foo.c", """\
char *
foo_string()
{
    return "This is foo.c!";
}
""")

test.write("foo.i", """\
%module foo
%{
/* Put header files here (optional) */
%}

extern char *foo_string();
""")

test.write("bar.c", """\
char *
bar_string()
{
    return "This is bar.c!";
}
""")

test.write("bar.i", """\
%module \t bar
%{
/* Put header files here (optional) */
%}

extern char *bar_string();
""")

test.run(arguments = ldmodule_prefix+'foo' + _dll)

test.must_not_exist(test.workpath('wrapper.out'))

test.run(program = python, stdin = """\
import foo
print foo.foo_string()
""", stdout="""\
This is foo.c!
""")

test.up_to_date(arguments = ldmodule_prefix+'foo' + _dll)

test.run(arguments = ldmodule_prefix+'bar' + _dll)

test.must_match('wrapper.out', "wrapper.py\n")

test.run(program = python, stdin = """\
import foo
import bar
print foo.foo_string()
print bar.bar_string()
""", stdout="""\
This is foo.c!
This is bar.c!
""")

test.up_to_date(arguments = '.')



test.pass_test()