# -*- coding: utf-8 -*-

"""

 (c) 2015 - Copyright Red Hat Inc

 Authors:

   Pierre-Yves Chibon <pingou@pingoured.fr></pingou@pingoured.fr>

"""

__requires__ = ['SQLAlchemy >= 0.8']

import pkg_resources

import json

import unittest

import shutil

import sys

import os

import pygit2

from mock import patch

sys.path.insert(0, os.path.join(os.path.dirname(

    os.path.abspath(__file__)), '..'))

import progit.lib.git

import tests

HERE = os.path.join(os.path.dirname(os.path.abspath(__file__)))

class ProgitLibGittests(tests.Modeltests):

    """ Tests for progit.lib.git """

    def test_write_gitolite_acls(self):

        """ Test the write_gitolite_acls function of progit.lib.git. """

        tests.create_projects(self.session)

        repo = progit.lib.get_project(self.session, 'test')

        # Add an user to a project

        msg = progit.lib.add_user_to_project(

            session=self.session,

            project=repo,

            user='foo',

        )

        self.session.commit()

        self.assertEqual(msg, 'User added')

        # Add a forked project

        item = progit.lib.model.Project(

            user_id=1,  # pingou

            name='test3',

            description='test project #2',

            parent_id=1

        )

        self.session.add(item)

        self.session.commit()

        outputconf = os.path.join(HERE, 'test_gitolite.conf')

        progit.lib.git.write_gitolite_acls(self.session, outputconf)

        self.assertTrue(os.path.exists(outputconf))

        with open(outputconf) as stream:

            data = stream.read()

        exp = """repo test

  R   = @all

  RW+ = pingou

  RW+ = foo

repo docs/test

  R   = @all

  RW+ = pingou

  RW+ = foo

repo tickets/test

  R   = @all

  RW+ = pingou

  RW+ = foo

repo test2

  R   = @all

  RW+ = pingou

repo docs/test2

  R   = @all

  RW+ = pingou

repo tickets/test2

  R   = @all

  RW+ = pingou

repo forks/pingou/test3

  R   = @all

  RW+ = pingou

repo docs/pingou/test3

  R   = @all

  RW+ = pingou

repo tickets/pingou/test3

  R   = @all

  RW+ = pingou

"""

        self.assertEqual(data, exp)

        os.unlink(outputconf)

        self.assertFalse(os.path.exists(outputconf))

    def test_commit_to_patch(self):

        """ Test the commit_to_patch function of progit.lib.git. """

        # Create a git repo to play with

        self.gitrepo = os.path.join(HERE, 'test_repo.git')

        os.makedirs(self.gitrepo)

        repo = pygit2.init_repository(self.gitrepo)

        # Create a file in that git repo

        with open(os.path.join(self.gitrepo, 'sources'), 'w') as stream:

            stream.write('foo\n bar')

        repo.index.add('sources')

        repo.index.write()

        # Commits the files added

        tree = repo.index.write_tree()

        author = pygit2.Signature(

            'Alice Author', 'alice@authors.tld')

        committer = pygit2.Signature(

            'Cecil Committer', 'cecil@committers.tld')

        repo.create_commit(

            'refs/heads/master',  # the name of the reference to update

            author,

            committer,

            'Add sources file for testing',

            # binary string representing the tree object ID

            tree,

            # list of binary strings representing parents of the new commit

            []

        )

        first_commit = repo.revparse_single('HEAD')

        # Edit the sources file again

        with open(os.path.join(self.gitrepo, 'sources'), 'w') as stream:

            stream.write('foo\n bar\nbaz\n boose')

        repo.index.add('sources')

        repo.index.write()

        # Commits the files added

        tree = repo.index.write_tree()

        author = pygit2.Signature(

            'Alice Author', 'alice@authors.tld')

        committer = pygit2.Signature(

            'Cecil Committer', 'cecil@committers.tld')

        repo.create_commit(

            'refs/heads/master',  # the name of the reference to update

            author,

            committer,

            'Add baz and boose to the sources\n\n There are more objects to '

            'consider',

            # binary string representing the tree object ID

            tree,

            # list of binary strings representing parents of the new commit

            [first_commit.oid.hex]

        )

        second_commit = repo.revparse_single('HEAD')

        # Generate a patch for 2 commits

        patch = progit.lib.git.commit_to_patch(

            repo, [first_commit, second_commit])

        exp = """Mon Sep 17 00:00:00 2001

From: Alice Author <alice@authors.tld></alice@authors.tld>

Subject: [PATCH 1/2] Add sources file for testing

---

diff --git a/sources b/sources

new file mode 100644

index 0000000..9f44358

--- /dev/null

+++ b/sources

@@ -0,0 +1,2 @@

+foo

+ bar

\ No newline at end of file

Mon Sep 17 00:00:00 2001

From: Alice Author <alice@authors.tld></alice@authors.tld>

Subject: [PATCH 2/2] Add baz and boose to the sources

 There are more objects to consider

---

diff --git a/sources b/sources

index 9f44358..2a552bb 100644

--- a/sources

+++ b/sources

@@ -1,2 +1,4 @@

 foo

- bar

\ No newline at end of file

+ bar

+baz

+ boose

\ No newline at end of file

"""

        npatch = []

        for row in patch.split('\n'):

            if row.startswith('Date:'):

                continue

            if row.startswith('From '):

                row = row.split(' ', 2)[2]

            npatch.append(row)

        patch = '\n'.join(npatch)

        self.assertEqual(patch, exp)

        # Generate a patch for a single commit

        patch = progit.lib.git.commit_to_patch(repo, second_commit)

        exp = """Mon Sep 17 00:00:00 2001

From: Alice Author <alice@authors.tld></alice@authors.tld>

Subject: Add baz and boose to the sources

 There are more objects to consider

---

diff --git a/sources b/sources

index 9f44358..2a552bb 100644

--- a/sources

+++ b/sources

@@ -1,2 +1,4 @@

 foo

- bar

\ No newline at end of file

+ bar

+baz

+ boose

\ No newline at end of file

"""

        npatch = []

        for row in patch.split('\n'):

            if row.startswith('Date:'):

                continue

            if row.startswith('From '):

                row = row.split(' ', 2)[2]

            npatch.append(row)

        patch = '\n'.join(npatch)

        self.assertEqual(patch, exp)

    @patch('progit.lib.notify.send_email')

    def test_update_git_ticket(self, email_f):

        """ Test the update_git_ticket of progit.lib.git. """

        email_f.return_value = True

        # Create project

        item = progit.lib.model.Project(

            user_id=1,  # pingou

            name='test_ticket_repo',

            description='test project for ticket',

        )

        self.session.add(item)

        self.session.commit()

        # Create repo

        self.gitrepo = os.path.join(HERE, 'test_ticket_repo.git')

        os.makedirs(self.gitrepo)

        repo_obj = pygit2.init_repository(self.gitrepo, bare=True)

        repo = progit.lib.get_project(self.session, 'test_ticket_repo')

        # Create an issue to play with

        msg = progit.lib.new_issue(

            session=self.session,

            repo=repo,

            title='Test issue',

            content='We should work on this',

            user='pingou',

            ticketfolder=HERE

        )

        self.assertEqual(msg, 'Issue created')

        issue = progit.lib.search_issues(self.session, repo, issueid=1)

        progit.lib.git.update_git_ticket(issue, repo, HERE)

        repo = pygit2.Repository(self.gitrepo)

        commit = repo.revparse_single('HEAD')

        # Use patch to validate the repo

        patch = progit.lib.git.commit_to_patch(repo, commit)

        exp = """Mon Sep 17 00:00:00 2001

From: progit <progit></progit>

Subject: Updated ticket <hash>: Test issue</hash>

---

diff --git a/123 b/456

new file mode 100644

index 0000000..60f7480

--- /dev/null

+++ b/456

@@ -0,0 +1 @@

+{"status": "Open", "title": "Test issue", "comments": [], "content": "We should work on this", "user": {"name": "pingou", "emails": ["bar@pingou.com", "foo@pingou.com"]}, "date_created": null}

\ No newline at end of file

"""

        npatch = []

        for row in patch.split('\n'):

            if row.startswith('Date:'):

                continue

            elif row.startswith('From '):

                row = row.split(' ', 2)[2]

            elif row.startswith('diff --git '):

                row = row.split(' ')

                row[2] = 'a/123'

                row[3] = 'b/456'

                row = ' '.join(row)

            elif 'Updated ticket' in row:

                row = row.split()

                row[3] = '<hash>:'</hash>

                row = ' '.join(row)

            elif 'date_created' in row:

                data = json.loads(row[1:])

                data['date_created'] = None

                row = '+' + json.dumps(data)

            elif row.startswith('index 00'):

                row = 'index 0000000..60f7480'

            elif row.startswith('+++ b/'):

                row = '+++ b/456'

            npatch.append(row)

        patch = '\n'.join(npatch)

        self.assertEqual(patch, exp)

        # Test again after adding a comment

        msg = progit.lib.add_issue_comment(

            session=self.session,

            issue=issue,

            comment='Hey look a comment!',

            user='foo',

            ticketfolder=HERE

        )

        self.session.commit()

        self.assertEqual(msg, 'Comment added')

        # Use patch to validate the repo

        repo = pygit2.Repository(self.gitrepo)

        commit = repo.revparse_single('HEAD')

        patch = progit.lib.git.commit_to_patch(repo, commit)

        exp = """Mon Sep 17 00:00:00 2001

From: progit <progit></progit>

Subject: Updated ticket <hash>: Test issue</hash>

---

diff --git a/123 b/456

index 458821a..77674a8

--- a/123

+++ b/456

@@ -1 +1 @@

-{"status": "Open", "title": "Test issue", "comments": [], "content": "We should work on this", "user": {"name": "pingou", "emails": ["bar@pingou.com", "foo@pingou.com"]}, "date_created": null}

\ No newline at end of file

+{"status": "Open", "title": "Test issue", "comments": [{"comment": "Hey look a comment!", "date_created": null, "id": 1, "parent": null, "user": {"name": "foo", "emails": ["foo@bar.com"]}}], "content": "We should work on this", "user": {"name": "pingou", "emails": ["bar@pingou.com", "foo@pingou.com"]}, "date_created": null}

\ No newline at end of file

"""

        npatch = []

        for row in patch.split('\n'):

            if row.startswith('Date:'):

                continue

            elif row.startswith('From '):

                row = row.split(' ', 2)[2]

            elif row.startswith('diff --git '):

                row = row.split(' ')

                row[2] = 'a/123'

                row[3] = 'b/456'

                row = ' '.join(row)

            elif 'Updated ticket' in row:

                row = row.split()

                row[3] = '<hash>:'</hash>

                row = ' '.join(row)

            elif 'date_created' in row:

                data = json.loads(row[1:])

                data['date_created'] = None

                comments = []

                for comment in data['comments']:

                    comment['date_created'] = None

                    comments.append(comment)

                data['comments'] = comments

                row = row[0] + json.dumps(data)

            elif row.startswith('index'):

                row = 'index 458821a..77674a8'

            elif row.startswith('--- a/'):

                row = '--- a/123'

            elif row.startswith('+++ b/'):

                row = '+++ b/456'

            npatch.append(row)

        patch = '\n'.join(npatch)

        self.assertEqual(patch, exp)

if __name__ == '__main__':

    SUITE = unittest.TestLoader().loadTestsFromTestCase(ProgitLibGittests)

    unittest.TextTestRunner(verbosity=2).run(SUITE)