import json

from . import fake_api
from .api_test import (
    BaseAPIClientTest, url_prefix, fake_request, DEFAULT_TIMEOUT_SECONDS,
)


class ExecTest(BaseAPIClientTest):
    def test_exec_create(self):
        self.client.exec_create(fake_api.FAKE_CONTAINER_ID, ['ls', '-1'])

        args = fake_request.call_args
        assert 'POST' == args[0][0], url_prefix + 'containers/{}/exec'.format(
            fake_api.FAKE_CONTAINER_ID
        )

        assert json.loads(args[1]['data']) == {
            'Tty': False,
            'AttachStdout': True,
            'Container': fake_api.FAKE_CONTAINER_ID,
            'Cmd': ['ls', '-1'],
            'Privileged': False,
            'AttachStdin': False,
            'AttachStderr': True,
            'User': ''
        }

        assert args[1]['headers'] == {'Content-Type': 'application/json'}

    def test_exec_start(self):
        self.client.exec_start(fake_api.FAKE_EXEC_ID)

        args = fake_request.call_args
        assert args[0][1] == f"{url_prefix}exec/{fake_api.FAKE_EXEC_ID}/start"

        assert json.loads(args[1]['data']) == {
            'Tty': False,
            'Detach': False,
        }

        assert args[1]['headers'] == {
            'Content-Type': 'application/json',
            'Connection': 'Upgrade',
            'Upgrade': 'tcp'
        }

    def test_exec_start_detached(self):
        self.client.exec_start(fake_api.FAKE_EXEC_ID, detach=True)

        args = fake_request.call_args
        assert args[0][1] == f"{url_prefix}exec/{fake_api.FAKE_EXEC_ID}/start"

        assert json.loads(args[1]['data']) == {
            'Tty': False,
            'Detach': True
        }

        assert args[1]['headers'] == {
            'Content-Type': 'application/json'
        }

    def test_exec_inspect(self):
        self.client.exec_inspect(fake_api.FAKE_EXEC_ID)

        args = fake_request.call_args
        assert args[0][1] == f"{url_prefix}exec/{fake_api.FAKE_EXEC_ID}/json"

    def test_exec_resize(self):
        self.client.exec_resize(fake_api.FAKE_EXEC_ID, height=20, width=60)

        fake_request.assert_called_with(
            'POST',
            f"{url_prefix}exec/{fake_api.FAKE_EXEC_ID}/resize",
            params={'h': 20, 'w': 60},
            timeout=DEFAULT_TIMEOUT_SECONDS
        )
