#!/usr/bin/env python3

# http://www.drdobbs.com/testing/unit-testing-with-python/240165163

import logging
import optparse
import os
import sys
import unittest
from unittest import mock
from pathlib import Path


localmodule = Path(__file__).resolve().parent.parent
print('localmodule: ' + str(localmodule))
if localmodule not in sys.path:
    sys.path.insert(0, str(localmodule))

import fdroidserver.checkupdates
import fdroidserver.metadata
from fdroidserver.exception import FDroidException


class CheckupdatesTest(unittest.TestCase):
    '''fdroidserver/checkupdates.py'''

    def setUp(self):
        logging.basicConfig(level=logging.DEBUG)
        self.basedir = localmodule / 'tests'
        self.tmpdir = localmodule / '.testfiles'
        self.tmpdir.mkdir(exist_ok=True)
        # TODO: Python3.6: Accepts a path-like object.
        os.chdir(str(self.basedir))

    def test_autoupdatemode_no_suffix(self):
        fdroidserver.checkupdates.options = mock.Mock()
        fdroidserver.checkupdates.options.auto = 'bleh'
        fdroidserver.checkupdates.config = {}

        app = fdroidserver.metadata.App()
        app.id = 'loop.starts.shooting'
        app.metadatapath = 'metadata/' + app.id + '.yml'
        app.CurrentVersion = '1.1.8-fdroid'
        app.CurrentVersionCode = 10108
        app.UpdateCheckMode = 'HTTP'
        app.AutoUpdateMode = 'Version %v'

        build = fdroidserver.metadata.Build()
        build.versionCode = app.CurrentVersionCode
        build.versionName = app.CurrentVersion
        app['Builds'].append(build)

        with mock.patch(
            'fdroidserver.checkupdates.check_http', lambda app: ('1.1.9', 10109)
        ):
            with mock.patch('fdroidserver.metadata.write_metadata', mock.Mock()):
                with mock.patch('subprocess.call', lambda cmd: 0):
                    fdroidserver.checkupdates.checkupdates_app(app)
                build = app['Builds'][-1]
                self.assertEqual(build.versionName, '1.1.9')
                self.assertEqual(build.commit, '1.1.9')

    def test_autoupdatemode_suffix(self):
        fdroidserver.checkupdates.options = mock.Mock()
        fdroidserver.checkupdates.options.auto = 'bleh'
        fdroidserver.checkupdates.config = {}

        app = fdroidserver.metadata.App()
        app.id = 'loop.starts.shooting'
        app.metadatapath = 'metadata/' + app.id + '.yml'
        app.CurrentVersion = '1.1.8-fdroid'
        app.CurrentVersionCode = 10108
        app.UpdateCheckMode = 'HTTP'
        app.AutoUpdateMode = r'Version +.%c-fdroid v%v_%c'

        build = fdroidserver.metadata.Build()
        build.versionCode = app.CurrentVersionCode
        build.versionName = app.CurrentVersion
        app['Builds'].append(build)

        with mock.patch(
            'fdroidserver.checkupdates.check_http', lambda app: ('1.1.9', 10109)
        ):
            with mock.patch('fdroidserver.metadata.write_metadata', mock.Mock()):
                with mock.patch('subprocess.call', lambda cmd: 0):
                    fdroidserver.checkupdates.checkupdates_app(app)
                build = app['Builds'][-1]
                self.assertEqual(build.versionName, '1.1.9.10109-fdroid')
                self.assertEqual(build.commit, 'v1.1.9_10109')

    def test_checkupdates_app_http(self):
        fdroidserver.checkupdates.options = mock.Mock()
        fdroidserver.checkupdates.options.auto = 'bleh'
        fdroidserver.checkupdates.config = {}

        app = fdroidserver.metadata.App()
        app.id = 'loop.starts.shooting'
        app.metadatapath = 'metadata/' + app.id + '.yml'
        app.CurrentVersionCode = 10108
        app.UpdateCheckMode = 'HTTP'
        app.UpdateCheckData = 'mock'

        with mock.patch(
            'fdroidserver.checkupdates.check_http', lambda app: (None, 'bla')
        ):
            fdroidserver.checkupdates.checkupdates_app(app)

        with mock.patch(
            'fdroidserver.checkupdates.check_http', lambda app: ('1.1.9', 10109)
        ):
            with mock.patch(
                'fdroidserver.metadata.write_metadata', mock.Mock()
            ) as wrmock:
                with mock.patch('subprocess.call', lambda cmd: 0):
                    fdroidserver.checkupdates.checkupdates_app(app)
                wrmock.assert_called_with(app.metadatapath, app)

    def test_checkupdates_app_tags(self):
        fdroidserver.checkupdates.options = mock.Mock()
        fdroidserver.checkupdates.options.auto = 'bleh'
        fdroidserver.checkupdates.config = {}

        app = fdroidserver.metadata.App()
        app.id = 'loop.starts.shooting'
        app.metadatapath = 'metadata/' + app.id + '.yml'
        app.CurrentVersion = '1.1.8'
        app.CurrentVersionCode = 10108
        app.UpdateCheckMode = 'Tags'
        app.AutoUpdateMode = 'Version'

        build = fdroidserver.metadata.Build()
        build.versionCode = app.CurrentVersionCode
        build.versionName = app.CurrentVersion
        app['Builds'].append(build)

        with mock.patch(
            'fdroidserver.checkupdates.check_tags',
            lambda app, pattern: (None, 'bla', None),
        ):
            fdroidserver.checkupdates.checkupdates_app(app)

        with mock.patch(
            'fdroidserver.checkupdates.check_tags',
            lambda app, pattern: ('1.1.9', 10109, 'v1.1.9'),
        ):
            with mock.patch('fdroidserver.metadata.write_metadata', mock.Mock()):
                with mock.patch('subprocess.call', lambda cmd: 0):
                    fdroidserver.checkupdates.checkupdates_app(app)
                build = app['Builds'][-1]
                self.assertEqual(build.versionName, '1.1.9')
                self.assertEqual(build.commit, 'v1.1.9')

    def test_check_http(self):
        fdroidserver.checkupdates.options = mock.Mock()

        app = fdroidserver.metadata.App()
        app.id = 'loop.starts.shooting'
        app.metadatapath = 'metadata/' + app.id + '.yml'
        app.CurrentVersionCode = 10108
        app.UpdateCheckMode = 'HTTP'
        app.UpdateCheckData = 'https://a.net/b.txt|c(.*)|https://d.net/e.txt|v(.*)'
        app.UpdateCheckIgnore = 'beta'

        respmock = mock.Mock()
        respmock.read = lambda: 'v1.1.9\nc10109'.encode('utf-8')
        with mock.patch('urllib.request.urlopen', lambda a, b, c: respmock):
            vername, vercode = fdroidserver.checkupdates.check_http(app)
            self.assertEqual(vername, '1.1.9')
            self.assertEqual(vercode, '10109')

    def test_check_http_blocks_unknown_schemes(self):
        app = fdroidserver.metadata.App()
        for scheme in ('file', 'ssh', 'http', ';pwn'):
            app.id = scheme
            faked = scheme + '://fake.url/for/testing/scheme'
            app.UpdateCheckData = faked + '|ignored|' + faked + '|ignored'
            app.metadatapath = 'metadata/' + app.id + '.yml'
            vername, vercode = fdroidserver.checkupdates.check_http(app)
            self.assertIsNone(vername)
            self.assertTrue(FDroidException.__name__ in vercode)

    def test_check_http_ignore(self):
        fdroidserver.checkupdates.options = mock.Mock()

        app = fdroidserver.metadata.App()
        app.id = 'loop.starts.shooting'
        app.metadatapath = 'metadata/' + app.id + '.yml'
        app.CurrentVersionCode = 10108
        app.UpdateCheckMode = 'HTTP'
        app.UpdateCheckData = 'https://a.net/b.txt|c(.*)|https://d.net/e.txt|v(.*)'
        app.UpdateCheckIgnore = 'beta'

        respmock = mock.Mock()
        respmock.read = lambda: 'v1.1.9-beta\nc10109'.encode('utf-8')
        with mock.patch('urllib.request.urlopen', lambda a, b, c: respmock):
            vername, vercode = fdroidserver.checkupdates.check_http(app)
            self.assertEqual(vername, None)
            self.assertEqual(vercode, 'Version 1.1.9-beta is ignored')

    def test_check_tags_data(self):
        fdroidserver.checkupdates.options = mock.Mock()

        app = fdroidserver.metadata.App()
        app.id = 'loop.starts.shooting'
        app.metadatapath = 'metadata/' + app.id + '.yml'
        app.RepoType = 'git'
        app.CurrentVersionCode = 10108
        app.UpdateCheckMode = 'Tags'
        app.UpdateCheckData = 'b.txt|c(.*)|e.txt|v(.*)'

        vcs = mock.Mock()
        vcs.latesttags.return_value = ['1.1.8', '1.1.9']
        with mock.patch(
            'pathlib.Path.read_text', lambda a: 'v1.1.9\nc10109'
        ) as _ignored, mock.patch('fdroidserver.common.getvcs', return_value=vcs):
            _ignored  # silence the linters
            vername, vercode, _tag = fdroidserver.checkupdates.check_tags(app, None)
            self.assertEqual(vername, '1.1.9')
            self.assertEqual(vercode, '10109')


if __name__ == "__main__":
    # TODO: Python3.6: Accept path-like object.
    os.chdir(str(Path(__file__).parent))

    parser = optparse.OptionParser()
    parser.add_option(
        "-v",
        "--verbose",
        action="store_true",
        default=False,
        help="Spew out even more information than normal",
    )
    (fdroidserver.common.options, args) = parser.parse_args(['--verbose'])

    newSuite = unittest.TestSuite()
    newSuite.addTest(unittest.makeSuite(CheckupdatesTest))
    unittest.main(failfast=False)