http_testing framework on top of pytest
Project description
HTTP_TESTING
Description
This project aims to help to create e2e tests, by chaining http calls and verifications on target pages. IMPORTANT: Since only http calls involved, no javascript will run.
Concept
This project is built on pytest.
Each .py file in test represents several tests scenario on one target site, we can provide the site's hostname as a local variable, the framework know how to construct http call from that.
Each test function in the .py test file represent a scenario of test which is consisted by several steps. For example,
test user's account page, first, we authenticate the client by post user's name and password,
then access the account page to verify some values. Each step is described by calling the variable check
which is a pytest fixture.
Tutorial
Install
pip install pytest-httptesting
Create test suite
# test/test_example.py
from http_testing.assertion_elements.cookies_assertion import Cookie
from http_testing.assertions import Assertions, NegativeAssertions
from http_testing.page_checker import PageChecker
from http_testing.validators import Regex
host = "www.google.com" # mandatory: used in the `check` fixture
scheme = "https" # "https" by default
port = None # None by default
def test_scenario_one(check: PageChecker):
check(
title="Senario One",
path="/",
should_find=Assertions(
status_code=200,
content=["<title>Google</title>"],
headers={"Content-Type": "text/html; charset=ISO-8859-1"},
cookies=[Cookie(name="AEC", value=Regex(r".*"))],
),
should_not_find=NegativeAssertions(
status_code=400,
content=["groot"],
headers={"nooooo": ""},
cookies=[Cookie(name="nop", value="a")],
),
)
Run test
$ pytest test --tb=no --no-header -v # traceback is disabled because it is not very useful to anayse the functional error
============= test session starts =============
collected 1 item
test/test_example.py::test_scenario_one PASSED
============= 1 passed in 0.16s =============
Debug
In case of error, a temporary file will be generated, as shown in the short test summary info
. It is a json file concluding
response content, status code, headers and cookies.
$ pytest test --tb=no --no-header -v
============= test session starts =============
collected 1 item
test/test_example.py::test_scenario_one FAILED
============= short test summary info =============
FAILED test/test_example.py::test_scenario_one - AssertionError: Senario One - 'Content-Typessss':'text/html; charset=ISO-8859-1' not found in headers on page 'https://www.google.com/' - please check file '/tmp/tmptaowd2u5'
============= 1 failed in 1.22s =============
Advanced
Customize the http client configuration
It is possible to create a fixture http_client_config
to override the default configuration, like adding headers and cookies to the http client.
@pytest.fixture
def http_client_config():
return HttpClientConfiguration(
trust_env=False,
verify=False,
cookies={"cookie_1": "cookie_value_1"},
headers={"header_1": "header_value_1"},
)
Customize the base url
It is possible to create a fixture base_url
to override the default construction of base url.
from httpx import URL
@pytest.fixture
def base_url() -> URL:
return URL("https://www.google.com")
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