"""Tests for distutils.command.config."""
import unittest
import os

from distutils.command.config import dump_file, config
from distutils.tests import support
from distutils import log

class ConfigTestCase(support.LoggingSilencer,
                     support.TempdirManager,
                     unittest.TestCase):

    def _info(self, msg, *args):
        for line in msg.splitlines():
            self._logs.append(line)

    def setUp(self):
        super(ConfigTestCase, self).setUp()
        self._logs = []
        self.old_log = log.info
        log.info = self._info

    def tearDown(self):
        log.info = self.old_log
        super(ConfigTestCase, self).tearDown()

    def test_dump_file(self):
        this_file = os.path.splitext(__file__)[0] + '.py'
        f = open(this_file)
        try:
            numlines = len(f.readlines())
        finally:
            f.close()

        dump_file(this_file, 'I am the header')
        self.assertEquals(len(self._logs), numlines+1)

    def test_search_cpp(self):
        pkg_dir, dist = self.create_dist()
        cmd = config(dist)

        # simple pattern searches
        match = cmd.search_cpp(pattern='xxx', body='// xxx')
        self.assertEquals(match, 0)

        match = cmd.search_cpp(pattern='command', body='// xxx')
        self.assertEquals(match, 1)

    def test_finalize_options(self):
        # finalize_options does a bit of transformation
        # on options
        pkg_dir, dist = self.create_dist()
        cmd = config(dist)
        cmd.include_dirs = 'one%stwo' % os.pathsep
        cmd.libraries = 'one'
        cmd.library_dirs = 'three%sfour' % os.pathsep
        cmd.ensure_finalized()

        self.assertEquals(cmd.include_dirs, ['one', 'two'])
        self.assertEquals(cmd.libraries, ['one'])
        self.assertEquals(cmd.library_dirs, ['three', 'four'])


def test_suite():
    return unittest.makeSuite(ConfigTestCase)

if __name__ == "__main__":
    unittest.main(defaultTest="test_suite")