# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# Copyright (C) 2013 Association of Universities for Research in Astronomy
#                    (AURA)
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import os
import textwrap

from testtools.content import text_content
from testtools.matchers import Contains, EndsWith

from pbr.tests import base
from pbr.tests import util


class TestHooks(base.BaseTestCase):
    def setUp(self):
        super(TestHooks, self).setUp()
        with util.open_config(
                os.path.join(self.package_dir, 'setup.cfg')) as cfg:
            cfg.set('global', 'setup-hooks',
                    'pbr_testpackage._setup_hooks.test_hook_1\n'
                    'pbr_testpackage._setup_hooks.test_hook_2')
            cfg.set('build_ext', 'pre-hook.test_pre_hook',
                    'pbr_testpackage._setup_hooks.test_pre_hook')
            cfg.set('build_ext', 'post-hook.test_post_hook',
                    'pbr_testpackage._setup_hooks.test_post_hook')

    def test_global_setup_hooks(self):
        """Test setup_hooks.

        Test that setup_hooks listed in the [global] section of setup.cfg are
        executed in order.
        """

        stdout, _, return_code = self.run_setup('egg_info')
        assert 'test_hook_1\ntest_hook_2' in stdout
        assert return_code == 0

    def test_command_hooks(self):
        """Test command hooks.

        Simple test that the appropriate command hooks run at the
        beginning/end of the appropriate command.
        """

        stdout, _, return_code = self.run_setup('egg_info')
        assert 'build_ext pre-hook' not in stdout
        assert 'build_ext post-hook' not in stdout
        assert return_code == 0

        stdout, stderr, return_code = self.run_setup('build_ext')
        self.addDetailUniqueName('stderr', text_content(stderr))
        assert textwrap.dedent("""
            running build_ext
            running pre_hook pbr_testpackage._setup_hooks.test_pre_hook for command build_ext
            build_ext pre-hook
        """) in stdout  # flake8: noqa
        self.expectThat(stdout, EndsWith('build_ext post-hook'))
        assert return_code == 0

    def test_custom_commands_known(self):
        stdout, _, return_code = self.run_setup('--help-commands')
        self.assertFalse(return_code)
        self.assertThat(stdout, Contains(" testr "))
