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# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*- 

# 

# Copyright (C) 2015 Canonical Ltd 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License version 3 as 

# published by the Free Software Foundation. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program.  If not, see <http://www.gnu.org/licenses/>. 

 

import fixtures 

import os 

import os.path 

import tempfile 

 

from unittest import mock 

 

from snapcraft import tests 

from snapcraft.plugins import catkin 

 

 

class _IOError(IOError): 

    errno = os.errno.EACCES 

 

 

class CatkinTestCase(tests.TestCase): 

 

    def setUp(self): 

        super().setUp() 

 

        class props: 

            catkin_packages = ['my_package'] 

 

        self.properties = props() 

 

    def test_log_warning_when_unable_to_find_a_catkin_package(self): 

        fake_logger = fixtures.FakeLogger() 

        self.useFixture(fake_logger) 

 

        plugin = catkin.CatkinPlugin('test-part', self.properties) 

 

        with self.assertRaises(FileNotFoundError) as raised: 

            plugin._find_package_deps() 

 

        self.assertEqual(raised.exception.args[0], 

                         'unable to find "package.xml" for "my_package"') 

 

    @mock.patch('snapcraft.plugins.catkin.open', create=True) 

    def test_exception_raised_when_package_definition_cannot_be_read( 

            self, mock_open): 

        mock_open.side_effect = _IOError() 

        plugin = catkin.CatkinPlugin('test-part', self.properties) 

        with self.assertRaises(IOError) as raised: 

            plugin._find_package_deps() 

 

        self.assertEqual(raised.exception.errno, os.errno.EACCES) 

        xml_to_open = os.path.join( 

            os.path.abspath(os.curdir), 'parts', 'test-part', 'src', 

            'my_package', 'package.xml') 

        mock_open.assert_called_once_with(xml_to_open, 'r') 

 

    def test_build_with_subdir_without_src_copies_subdir_into_src(self): 

        class Options: 

            catkin_packages = [] 

            source_subdir = 'src_subdir' 

 

        plugin = catkin.CatkinPlugin('test-part', Options()) 

 

        tmpdir = tempfile.TemporaryDirectory() 

        self.addCleanup(tmpdir.cleanup) 

        plugin.sourcedir = tmpdir.name 

        subdir = os.path.join(plugin.sourcedir, plugin.options.source_subdir) 

        os.mkdir(subdir) 

        open(os.path.join(subdir, 'file'), 'w').close() 

 

        tmpdir = tempfile.TemporaryDirectory() 

        self.addCleanup(tmpdir.cleanup) 

        plugin.builddir = tmpdir.name 

 

        plugin._provision_builddir() 

 

        self.assertTrue( 

            os.path.exists(os.path.join(plugin.builddir, 'src', 'file'))) 

 

    def test_build_without_subdir_or_src_copies_sourcedir_into_src(self): 

        class Options: 

            catkin_packages = [] 

 

        plugin = catkin.CatkinPlugin('test-part', Options()) 

 

        tmpdir = tempfile.TemporaryDirectory() 

        self.addCleanup(tmpdir.cleanup) 

        plugin.sourcedir = tmpdir.name 

        subdir = os.path.join(plugin.sourcedir, 'src_subdir') 

        os.mkdir(subdir) 

        open(os.path.join(subdir, 'file'), 'w').close() 

 

        tmpdir = tempfile.TemporaryDirectory() 

        self.addCleanup(tmpdir.cleanup) 

        plugin.builddir = tmpdir.name 

 

        plugin._provision_builddir() 

 

        self.assertTrue(os.path.exists( 

            os.path.join(plugin.builddir, 'src', 'src_subdir', 'file')))