#! /usr/bin/env py.test

import sys, os, pytest, logging
from pypiserver import core
try:
    from unittest import mock
except ImportError:
    import mock


class main_wrapper(object):

    def __init__(self):
        self.run_kwargs = None
        self.pkgdir = None

    def __call__(self, argv):
        sys.stdout.write("Running %s\n" % (argv,))
        core.main(["pypi-server"] + argv)
        return self.run_kwargs


@pytest.fixture()
def main(request, monkeypatch):

    main = main_wrapper()

    def run(**kwargs):
        sys.stdout.write("RUN: %s\n" % kwargs)
        app = kwargs.pop("app")
        main.app = app
        main.run_kwargs = kwargs

    def listdir(pkgdir):
        main.pkgdir = pkgdir
        return []

    monkeypatch.setattr(core, "run", run)
    monkeypatch.setattr(os, "listdir", listdir)

    return main


def test_default_pkgdir(main):
    main([])
    assert os.path.normpath(main.pkgdir) == os.path.normpath(os.path.expanduser("~/packages"))


def test_noargs(main):
    assert main([]) == dict(host="0.0.0.0", port=8080, server="auto")


def test_port(main):
    expected = dict(host="0.0.0.0", port=8081, server="auto")
    assert main(["--port=8081"]) == expected
    assert main(["--port", "8081"]) == expected
    assert main(["-p", "8081"]) == expected


def test_server(main):
    assert main(["--server=paste"])["server"] == "paste"
    assert main(["--server", "cherrypy"])["server"] == "cherrypy"


def test_root(main):
    main(["--root", "."])
    assert main.app.module.packages.root == os.path.abspath(".")
    assert main.pkgdir == os.path.abspath(".")


def test_root_r(main):
    main(["-r", "."])
    assert main.app.module.packages.root == os.path.abspath(".")
    assert main.pkgdir == os.path.abspath(".")


# def test_root_multiple(main):
#     pytest.raises(SystemExit, main, [".", "."])
#     pytest.raises(SystemExit, main, ["-r", ".", "."])


def test_fallback_url(main):
    main(["--fallback-url", "http://pypi.mirror/simple"])
    assert main.app.module.config.fallback_url == "http://pypi.mirror/simple"


def test_fallback_url_default(main):
    main([])
    assert main.app.module.config.fallback_url == \
        "http://pypi.python.org/simple"

@pytest.fixture
def logfile(tmpdir):
    return tmpdir.mkdir("logs").join('test.log')

def test_logging(main, logfile):
    main(["-v", "--log-file", logfile.strpath])
    assert logfile.check(), logfile
    
def test_logging_verbosity(main):
    main([])
    assert logging.getLogger().level == logging.WARN 
    main(["-v"])
    assert logging.getLogger().level == logging.INFO 
    main(["-v", "-v"])
    assert logging.getLogger().level == logging.DEBUG 
    main(["-v", "-v", "-v"])
    assert logging.getLogger().level == logging.NOTSET

def test_welcome_file(main):
    sample_msg_file = os.path.join(os.path.dirname(__file__), "sample_msg.html")
    main(["--welcome", sample_msg_file])
    assert "Hello pypiserver tester!" in main.app.module.config.welcome_msg

def test_welcome_file_default(main):
    main([])
    assert "Welcome to pypiserver!" in main.app.module.config.welcome_msg

def test_password_without_auth_list(main, monkeypatch):
    sysexit = mock.MagicMock(side_effect=ValueError('BINGO'))
    monkeypatch.setattr('sys.exit', sysexit)
    with pytest.raises(ValueError) as excinfo:
        main(["-P", "pswd-file", "-a", ""])
    assert excinfo.value.args[0] == 'BINGO'

def test_password_alone(main, monkeypatch):
    monkeypatch.setitem(sys.modules, 'passlib', mock.MagicMock())
    monkeypatch.setitem(sys.modules, 'passlib.apache', mock.MagicMock())
    main(["-P", "pswd-file"])
    assert main.app.module.config.authenticated == ['update']

def test_dot_password_without_auth_list(main, monkeypatch):
    monkeypatch.setitem(sys.modules, 'passlib', mock.MagicMock())
    monkeypatch.setitem(sys.modules, 'passlib.apache', mock.MagicMock())
    main(["-P", ".", "-a", ""])
    assert main.app.module.config.authenticated == []