#!/usr/bin/python
# Copyright (C) 2020 Jelmer Vernooij <jelmer@jelmer.uk>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

import datetime
import os
import sys

from debian.changelog import Version

from ognibuild.debian.build import (
    add_dummy_changelog_entry,
    get_build_architecture,
    version_add_suffix,
    _builddeb_command,
    DEFAULT_BUILDER,
)

from breezy.tests import TestCaseWithTransport, TestCase


class AddDummyChangelogEntryTests(TestCaseWithTransport):
    def test_simple(self):
        tree = self.make_branch_and_tree(".")
        self.build_tree_contents(
            [
                ("debian/",),
                (
                    "debian/changelog",
                    """\
janitor (0.1-1) UNRELEASED; urgency=medium

  * Initial release. (Closes: #XXXXXX)

 -- Jelmer Vernooij <jelmer@debian.org>  Sat, 04 Apr 2020 14:12:13 +0000
""",
                ),
            ]
        )
        tree.add(["debian", "debian/changelog"])
        add_dummy_changelog_entry(
            tree,
            "",
            "jan+some",
            "some-fixes",
            "Dummy build.",
            timestamp=datetime.datetime(2020, 9, 5, 12, 35, 4, 899654),
            maintainer=("Jelmer Vernooij", "jelmer@debian.org"),
        )
        self.assertFileEqual(
            """\
janitor (0.1-1jan+some1) some-fixes; urgency=medium

  * Initial release. (Closes: #XXXXXX)
  * Dummy build.

 -- Jelmer Vernooij <jelmer@debian.org>  Sat, 05 Sep 2020 12:35:04 -0000
""",
            "debian/changelog",
        )

    def test_native(self):
        tree = self.make_branch_and_tree(".")
        self.build_tree_contents(
            [
                ("debian/",),
                (
                    "debian/changelog",
                    """\
janitor (0.1) UNRELEASED; urgency=medium

  * Initial release. (Closes: #XXXXXX)

 -- Jelmer Vernooij <jelmer@debian.org>  Sat, 04 Apr 2020 14:12:13 +0000
""",
                ),
            ]
        )
        tree.add(["debian", "debian/changelog"])
        add_dummy_changelog_entry(
            tree,
            "",
            "jan+some",
            "some-fixes",
            "Dummy build.",
            timestamp=datetime.datetime(2020, 9, 5, 12, 35, 4, 899654),
            maintainer=("Jelmer Vernooij", "jelmer@debian.org"),
        )
        self.assertFileEqual(
            """\
janitor (0.1jan+some1) some-fixes; urgency=medium

  * Initial release. (Closes: #XXXXXX)
  * Dummy build.

 -- Jelmer Vernooij <jelmer@debian.org>  Sat, 05 Sep 2020 12:35:04 -0000
""",
            "debian/changelog",
        )

    def test_exists(self):
        tree = self.make_branch_and_tree(".")
        self.build_tree_contents(
            [
                ("debian/",),
                (
                    "debian/changelog",
                    """\
janitor (0.1-1jan+some1) UNRELEASED; urgency=medium

  * Initial release. (Closes: #XXXXXX)

 -- Jelmer Vernooij <jelmer@debian.org>  Sat, 04 Apr 2020 14:12:13 +0000
""",
                ),
            ]
        )
        tree.add(["debian", "debian/changelog"])
        add_dummy_changelog_entry(
            tree,
            "",
            "jan+some",
            "some-fixes",
            "Dummy build.",
            timestamp=datetime.datetime(2020, 9, 5, 12, 35, 4, 899654),
            maintainer=("Jelmer Vernooij", "jelmer@debian.org"),
        )
        self.assertFileEqual(
            """\
janitor (0.1-1jan+some2) some-fixes; urgency=medium

  * Initial release. (Closes: #XXXXXX)
  * Dummy build.

 -- Jelmer Vernooij <jelmer@debian.org>  Sat, 05 Sep 2020 12:35:04 -0000
""",
            "debian/changelog",
        )


class BuildArchitectureTests(TestCase):
    def setUp(self):
        super(BuildArchitectureTests, self).setUp()
        if not os.path.exists("/usr/bin/dpkg-architecture"):
            self.skipTest("not a debian system")

    def test_is_str(self):
        self.assertIsInstance(get_build_architecture(), str)


class VersionAddSuffixTests(TestCase):

    def test_native(self):
        self.assertEqual(
            Version('1.0~jan+lint4'),
            version_add_suffix(Version('1.0~jan+lint3'), '~jan+lint'))
        self.assertEqual(
            Version('1.0~jan+lint1'),
            version_add_suffix(Version('1.0'), '~jan+lint'))

    def test_normal(self):
        self.assertEqual(
            Version('1.0-1~jan+lint4'),
            version_add_suffix(Version('1.0-1~jan+lint3'), '~jan+lint'))
        self.assertEqual(
            Version('1.0-1~jan+lint1'),
            version_add_suffix(Version('1.0-1'), '~jan+lint'))
        self.assertEqual(
            Version('0.0.12-1~jan+lint1'),
            version_add_suffix(Version('0.0.12-1'), '~jan+lint'))
        self.assertEqual(
            Version('0.0.12-1~jan+unchanged1~jan+lint1'),
            version_add_suffix(
                Version('0.0.12-1~jan+unchanged1'), '~jan+lint'))


class BuilddebCommandTests(TestCase):

    def test_simple(self):
        self.assertEqual(
            [sys.executable, "-m", "breezy", "builddeb",
                "--guess-upstream-branch-url", "--builder=" + DEFAULT_BUILDER],
            _builddeb_command())
        self.assertEqual(
            [sys.executable, "-m", "breezy", "builddeb",
                "--guess-upstream-branch-url", "--builder=" + DEFAULT_BUILDER,
                "--result-dir=/tmp/blah"],
            _builddeb_command(result_dir="/tmp/blah"))