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import os

from pbr import tests


class TestPackagingInGitRepoWithCommit(tests.BaseTestCase):

    def setUp(self):
        super(TestPackagingInGitRepoWithCommit, self).setUp()
        self._run_cmd('git', ['init', '.'])
        self._run_cmd('git', ['add', '.'])
        self._run_cmd('git', ['commit', '-m', 'test commit'])
        self.run_setup('sdist')
        return

    def test_authors(self):
        # One commit, something should be in the authors list
        with open(os.path.join(self.package_dir, 'AUTHORS'), 'r') as f:
            body = f.read()
        self.assertNotEqual(body, '')

    def test_changelog(self):
        with open(os.path.join(self.package_dir, 'ChangeLog'), 'r') as f:
            body = f.read()
        # One commit, something should be in the ChangeLog list
        self.assertNotEqual(body, '')


class TestPackagingInGitRepoWithoutCommit(tests.BaseTestCase):

    def setUp(self):
        super(TestPackagingInGitRepoWithoutCommit, self).setUp()
        self._run_cmd('git', ['init', '.'])
        self._run_cmd('git', ['add', '.'])
        self.run_setup('sdist')
        return

    def test_authors(self):
        # No commits, no authors in list
        with open(os.path.join(self.package_dir, 'AUTHORS'), 'r') as f:
            body = f.read()
        self.assertEqual(body, '\n')

    def test_changelog(self):
        # No commits, nothing should be in the ChangeLog list
        with open(os.path.join(self.package_dir, 'ChangeLog'), 'r') as f:
            body = f.read()
        self.assertEqual(body, '')


class TestPackagingInPlainDirectory(tests.BaseTestCase):

    def setUp(self):
        super(TestPackagingInPlainDirectory, self).setUp()
        self.run_setup('sdist')
        return

    def test_authors(self):
        # Not a git repo, no AUTHORS file created
        filename = os.path.join(self.package_dir, 'AUTHORS')
        self.assertFalse(os.path.exists(filename))

    def test_changelog(self):
        # Not a git repo, no ChangeLog created
        filename = os.path.join(self.package_dir, 'ChangeLog')
        self.assertFalse(os.path.exists(filename))