"""Common test utility code.
"""
import copy
import datetime
import unittest
from unittest.mock import ANY, call

from app import app, cache
from oauth_dropins.webutil import testutil, util
from oauth_dropins.webutil.appengine_config import ndb_client
import requests

import common

NOW = datetime.datetime(2022, 11, 23, 22, 29, 19)


class TestCase(unittest.TestCase, testutil.Asserts):
    maxDiff = None

    def setUp(self):
        super().setUp()
        app.testing = True
        cache.clear()
        self.client = app.test_client()
        common.utcnow = lambda: NOW

        # clear datastore
        requests.post('http://%s/reset' % ndb_client.host)
        self.ndb_context = ndb_client.context()
        self.ndb_context.__enter__()

    def tearDown(self):
        self.ndb_context.__exit__(None, None, None)
        super().tearDown()

    def req(self, url, **kwargs):
        """Returns a mock requests call."""
        kwargs.setdefault('headers', {}).update({
            'User-Agent': util.user_agent,
        })
        kwargs.setdefault('timeout', util.HTTP_TIMEOUT)
        kwargs.setdefault('stream', True)
        return call(url, **kwargs)

    def as2_req(self, url, **kwargs):
        # TODO: these aren't currently getting checked?!
        headers = {
            'Date': 'Wed, 23 Nov 2022 22:29:19 GMT',
            'Host': util.domain_from_link(url, minimize=False),
            'Content-Type': 'application/activity+json',
            'Digest': ANY,
            **common.CONNEG_HEADERS_AS2_HTML,
            **kwargs.pop('headers', {}),
        }
        return self.req(url, auth=ANY, headers=headers, **kwargs)

    def assert_req(self, mock, url, **kwargs):
        """Checks a mock requests call."""
        kwargs.setdefault('headers', {}).setdefault(
            'User-Agent', 'Bridgy Fed (https://fed.brid.gy/)')
        kwargs.setdefault('stream', True)
        kwargs.setdefault('timeout', util.HTTP_TIMEOUT)
        mock.assert_any_call(url, **kwargs)