# Copyright (c) 2015, Menno Smits
# Released subject to the New BSD License
# Please see http://en.wikipedia.org/wiki/BSD_licenses

from unittest.mock import Mock

from imapclient.exceptions import CapabilityError

from .imapclient_test import IMAPClientTest


class TestThread(IMAPClientTest):
    def setUp(self):
        super(TestThread, self).setUp()
        self.client._cached_capabilities = (b"THREAD=REFERENCES",)
        self.client._raw_command_untagged = Mock()
        self.client._raw_command_untagged.return_value = [b"(1 2)(3)(4 5 6)"]

    def check_call(self, expected_args):
        self.client._raw_command_untagged.assert_called_once_with(
            b"THREAD", expected_args
        )

    def test_no_thread_support(self):
        self.client._cached_capabilities = (b"NOT-THREAD",)
        self.assertRaises(CapabilityError, self.client.thread)

    def test_unsupported_algorithm(self):
        self.client._cached_capabilities = (b"THREAD=FOO",)
        self.assertRaises(CapabilityError, self.client.thread)

    def test_defaults(self):
        threads = self.client.thread()

        self.check_call([b"REFERENCES", b"UTF-8", b"ALL"])
        self.assertSequenceEqual(threads, ((1, 2), (3,), (4, 5, 6)))

    def test_all_args(self):
        self.client._cached_capabilities = (b"THREAD=COTTON",)

        self.client.thread("COTTON", ["TEXT", "\u261e"], "UTF-7")

        self.check_call([b"COTTON", b"UTF-7", b"TEXT", b"+Jh4-"])