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BaseHTTPRequestHandler をテストする(python2)
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| # -*- coding: utf-8 -*- | |
| import BaseHTTPServer | |
| from StringIO import StringIO | |
| class MyHandler(BaseHTTPServer.BaseHTTPRequestHandler): | |
| """これをテストしたい""" | |
| def do_GET(self): | |
| print("executing do_GET") | |
| self.send_response(200) | |
| self.send_header("X-Hoge", "hoge") | |
| self.send_header("Content-type", "text/html") | |
| self.end_headers() | |
| html = "<html><p>hello world</p></html>" | |
| self.wfile.write(html.encode()) | |
| ### | |
| # レスポンスを読めるように | |
| # cf. https://github.com/python/cpython/blob/3.6/Lib/socketserver.py#L788 | |
| def no_finish(*args, **kwargs): | |
| print("no_finish", args, kwargs) | |
| BaseHTTPServer.BaseHTTPRequestHandler.finish = no_finish | |
| ### | |
| # リクエストとサーバのモック化 | |
| # cf. https://stackoverflow.com/questions/25369068/python-how-to-unit-test-a-custom-http-request-handler | |
| class MockRequest(object): | |
| def makefile(self, *args, **kwargs): | |
| return StringIO(b"GET / HTTP/1.1") | |
| class MockServer(object): | |
| def __init__(self, ip_port, Handler): | |
| self.handler = Handler(MockRequest(), ip_port, self) | |
| ### | |
| # レスポンスのパース | |
| # cf. https://stackoverflow.com/questions/24728088/python-parse-http-response-string | |
| from httplib import HTTPResponse | |
| from StringIO import StringIO | |
| class FakeSocket(): | |
| def __init__(self, response_str): | |
| self._file = StringIO(response_str) | |
| def makefile(self, *args, **kwargs): | |
| return self._file | |
| ### | |
| # ここからテスト | |
| import pytest | |
| def test_handler(): | |
| server = MockServer(('0.0.0.0', 8888), MyHandler) | |
| resp_str = server.handler.wfile.getvalue() | |
| source = FakeSocket(resp_str) | |
| response = HTTPResponse(source) | |
| response.begin() | |
| headers = { x[0]: x[1] for x in response.getheaders() } | |
| body = response.read() | |
| assert response.status == 200 | |
| assert headers["content-type"] == 'text/html' | |
| assert "x-hoge" in headers | |
| assert "hello world" in body | |
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