# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

from __future__ import absolute_import, print_function, unicode_literals

import os
import json
import shutil
import unittest
import tempfile

from mock import patch
from mozunit import main, MockedOpen
from taskgraph import decision
from taskgraph.util.yaml import load_yaml


FAKE_GRAPH_CONFIG = {'product-dir': 'browser'}


class TestDecision(unittest.TestCase):

    def test_write_artifact_json(self):
        data = [{'some': 'data'}]
        tmpdir = tempfile.mkdtemp()
        try:
            decision.ARTIFACTS_DIR = os.path.join(tmpdir, "artifacts")
            decision.write_artifact("artifact.json", data)
            with open(os.path.join(decision.ARTIFACTS_DIR, "artifact.json")) as f:
                self.assertEqual(json.load(f), data)
        finally:
            if os.path.exists(tmpdir):
                shutil.rmtree(tmpdir)
            decision.ARTIFACTS_DIR = 'artifacts'

    def test_write_artifact_yml(self):
        data = [{'some': 'data'}]
        tmpdir = tempfile.mkdtemp()
        try:
            decision.ARTIFACTS_DIR = os.path.join(tmpdir, "artifacts")
            decision.write_artifact("artifact.yml", data)
            self.assertEqual(load_yaml(decision.ARTIFACTS_DIR, "artifact.yml"), data)
        finally:
            if os.path.exists(tmpdir):
                shutil.rmtree(tmpdir)
            decision.ARTIFACTS_DIR = 'artifacts'


class TestGetDecisionParameters(unittest.TestCase):

    ttc_file = os.path.join(os.getcwd(), 'try_task_config.json')

    def setUp(self):
        self.options = {
            'base_repository': 'https://hg.mozilla.org/mozilla-unified',
            'head_repository': 'https://hg.mozilla.org/mozilla-central',
            'head_rev': 'abcd',
            'head_ref': 'ef01',
            'message': '',
            'project': 'mozilla-central',
            'pushlog_id': '143',
            'pushdate': 1503691511,
            'owner': 'nobody@mozilla.com',
            'tasks_for': 'hg-push',
            'level': '3',
        }

    @patch('taskgraph.decision.get_hg_revision_branch')
    def test_simple_options(self, mock_get_hg_revision_branch):
        mock_get_hg_revision_branch.return_value = 'default'
        with MockedOpen({self.ttc_file: None}):
            params = decision.get_decision_parameters(FAKE_GRAPH_CONFIG, self.options)
        self.assertEqual(params['pushlog_id'], '143')
        self.assertEqual(params['build_date'], 1503691511)
        self.assertEqual(params['hg_branch'], 'default')
        self.assertEqual(params['moz_build_date'], '20170825200511')
        self.assertEqual(params['try_mode'], None)
        self.assertEqual(params['try_options'], None)
        self.assertEqual(params['try_task_config'], {})

    @patch('taskgraph.decision.get_hg_revision_branch')
    def test_no_email_owner(self, mock_get_hg_revision_branch):
        mock_get_hg_revision_branch.return_value = 'default'
        self.options['owner'] = 'ffxbld'
        with MockedOpen({self.ttc_file: None}):
            params = decision.get_decision_parameters(FAKE_GRAPH_CONFIG, self.options)
        self.assertEqual(params['owner'], 'ffxbld@noreply.mozilla.org')

    @patch('taskgraph.decision.get_hg_revision_branch')
    @patch('taskgraph.decision.get_hg_commit_message')
    def test_try_options(self, mock_get_hg_commit_message, mock_get_hg_revision_branch):
        mock_get_hg_commit_message.return_value = 'try: -b do -t all'
        mock_get_hg_revision_branch.return_value = 'default'
        self.options['project'] = 'try'
        with MockedOpen({self.ttc_file: None}):
            params = decision.get_decision_parameters(FAKE_GRAPH_CONFIG, self.options)
        self.assertEqual(params['try_mode'], 'try_option_syntax')
        self.assertEqual(params['try_options']['build_types'], 'do')
        self.assertEqual(params['try_options']['unittests'], 'all')
        self.assertEqual(params['try_task_config'], {})

    @patch('taskgraph.decision.get_hg_revision_branch')
    @patch('taskgraph.decision.get_hg_commit_message')
    def test_try_task_config(self, mock_get_hg_commit_message, mock_get_hg_revision_branch):
        mock_get_hg_commit_message.return_value = 'Fuzzy query=foo'
        mock_get_hg_revision_branch.return_value = 'default'
        ttc = {'tasks': ['a', 'b'], 'templates': {}}
        self.options['project'] = 'try'
        with MockedOpen({self.ttc_file: json.dumps(ttc)}):
            params = decision.get_decision_parameters(FAKE_GRAPH_CONFIG, self.options)
            self.assertEqual(params['try_mode'], 'try_task_config')
            self.assertEqual(params['try_options'], None)
            self.assertEqual(params['try_task_config'], ttc)

    def test_try_syntax_from_message_empty(self):
        self.assertEqual(decision.try_syntax_from_message(''), '')

    def test_try_syntax_from_message_no_try_syntax(self):
        self.assertEqual(decision.try_syntax_from_message('abc | def'), '')

    def test_try_syntax_from_message_initial_try_syntax(self):
        self.assertEqual(decision.try_syntax_from_message('try: -f -o -o'), 'try: -f -o -o')

    def test_try_syntax_from_message_initial_try_syntax_multiline(self):
        self.assertEqual(
            decision.try_syntax_from_message('try: -f -o -o\nabc\ndef'),
            'try: -f -o -o')

    def test_try_syntax_from_message_embedded_try_syntax_multiline(self):
        self.assertEqual(
            decision.try_syntax_from_message('some stuff\ntry: -f -o -o\nabc\ndef'),
            'try: -f -o -o')


if __name__ == '__main__':
    main()