Test example with client

test_endpoints.py

headers = {
    'Content-Type': 'application/json',
    'Authorization': ('...'),
    'accept': 'application/json'
}


def test_post(client):
    response = client.post('/endpoint',
                           data=json.dumps(payload),
                           headers=headers)
    assert response.status_code == 200
    assert response.json == [{<data>}]
  
 
def test_post_400(client):
    response = client.post('/endpoint',
                           data=json.dumps({'payload': 'invalid'}),
                           headers=headers)
    assert response.status_code == 400
    
  
 def test_post_auth_before_validation_401(client):
    headers_ = deepcopy(headers)
    headers_['Authorization'] = 'not'
    response = client.post('/endpoint',
                           data=json.dumps({'payload': 'invalid'}),
                           headers=headers_)
    assert response.status_code == 401
    
    
def test_post_500(client, mocker):
    def fail(*args, **kwargs):
        raise Exception('failed')

    with mocker.patch('<service>.app.function', side_effect=fail):
        response = client.post('/endpoint',
                               data=json.dumps(payload),
                               headers=headers)
        assert response.status_code == 500