"""Tests for distutils.command.build_py."""

import os

import sys

import StringIO

import unittest

from distutils.command.build_py import build_py

from distutils.core import Distribution

from distutils.errors import DistutilsFileError

from distutils.tests import support

class BuildPyTestCase(support.TempdirManager,

                      support.LoggingSilencer,

                      unittest.TestCase):

    def test_package_data(self):

        sources = self.mkdtemp()

        f = open(os.path.join(sources, "__init__.py"), "w")

        f.write("# Pretend this is a package.")

        f.close()

        f = open(os.path.join(sources, "README.txt"), "w")

        f.write("Info about this package")

        f.close()

        destination = self.mkdtemp()

        dist = Distribution({"packages": ["pkg"],

                             "package_dir": {"pkg": sources}})

        # script_name need not exist, it just need to be initialized

        dist.script_name = os.path.join(sources, "setup.py")

        dist.command_obj["build"] = support.DummyCommand(

            force=0,

            build_lib=destination)

        dist.packages = ["pkg"]

        dist.package_data = {"pkg": ["README.txt"]}

        dist.package_dir = {"pkg": sources}

        cmd = build_py(dist)

        cmd.compile = 1

        cmd.ensure_finalized()

        self.assertEqual(cmd.package_data, dist.package_data)

        cmd.run()

        # This makes sure the list of outputs includes byte-compiled

        # files for Python modules but not for package data files

        # (there shouldn't *be* byte-code files for those!).

        #

        self.assertEqual(len(cmd.get_outputs()), 3)

        pkgdest = os.path.join(destination, "pkg")

        files = os.listdir(pkgdest)

        self.assert_("__init__.py" in files)

        self.assert_("__init__.pyc" in files)

        self.assert_("README.txt" in files)

    def test_empty_package_dir (self):

        # See SF 1668596/1720897.

        cwd = os.getcwd()

        # create the distribution files.

        sources = self.mkdtemp()

        open(os.path.join(sources, "__init__.py"), "w").close()

        testdir = os.path.join(sources, "doc")

        os.mkdir(testdir)

        open(os.path.join(testdir, "testfile"), "w").close()

        os.chdir(sources)

        sys.stdout = StringIO.StringIO()

        try:

            dist = Distribution({"packages": ["pkg"],

                                 "package_dir": {"pkg": ""},

                                 "package_data": {"pkg": ["doc/*"]}})

            # script_name need not exist, it just need to be initialized

            dist.script_name = os.path.join(sources, "setup.py")

            dist.script_args = ["build"]

            dist.parse_command_line()

            try:

                dist.run_commands()

            except DistutilsFileError:

                self.fail("failed package_data test when package_dir is ''")

        finally:

            # Restore state.

            os.chdir(cwd)

            sys.stdout = sys.__stdout__

def test_suite():

    return unittest.makeSuite(BuildPyTestCase)

if __name__ == "__main__":

    unittest.main(defaultTest="test_suite")