File: test_push_to_try.py

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# 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, unicode_literals

import subprocess

import mozunit
import pytest

from mozversioncontrol import (
    get_repository_object,
    MissingVCSExtension,
)


def test_push_to_try(repo, monkeypatch):
    commit_message = "commit message"
    vcs = get_repository_object(repo.strpath)

    captured_commands = []

    def fake_run(*args, **kwargs):
        captured_commands.append(args[0])

    monkeypatch.setattr(subprocess, 'check_output', fake_run)
    monkeypatch.setattr(subprocess, 'check_call', fake_run)

    vcs.push_to_try(commit_message)
    tool = vcs._tool

    if repo.vcs == 'hg':
        expected = [
            (tool, 'push-to-try', '-m', commit_message),
            (tool, 'revert', '-a'),
        ]
    else:
        expected = [
            (tool, 'cinnabar', '--version'),
            (tool, '-c', 'commit.gpgSign=false', 'commit', '--allow-empty',
                   '-m', commit_message),
            (tool, 'push', 'hg::ssh://hg.mozilla.org/try',
                   '+HEAD:refs/heads/branches/default/tip'),
            (tool, 'reset', 'HEAD~'),
        ]

    for i, value in enumerate(captured_commands):
        assert value == expected[i]

    assert len(captured_commands) == len(expected)


def test_push_to_try_missing_extensions(repo, monkeypatch):
    if repo.vcs != 'git':
        return

    vcs = get_repository_object(repo.strpath)

    orig = vcs._run

    def cinnabar_raises(*args, **kwargs):
        # Simulate not having git cinnabar
        if args[0] == 'cinnabar':
            raise subprocess.CalledProcessError(1, args)
        return orig(*args, **kwargs)

    monkeypatch.setattr(vcs, '_run', cinnabar_raises)

    with pytest.raises(MissingVCSExtension):
        vcs.push_to_try("commit message")


if __name__ == '__main__':
    mozunit.main()