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author | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2024-10-09 12:29:46 +0300 |
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committer | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2024-10-09 13:14:22 +0300 |
commit | 9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80 (patch) | |
tree | a8fb3181d5947c0d78cf402aa56e686130179049 /contrib/python/pytest-localserver/py3/tests/test_http.py | |
parent | a44b779cd359f06c3ebbef4ec98c6b38609d9d85 (diff) | |
download | ydb-9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80.tar.gz |
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commit_hash:c82a80ac4594723cebf2c7387dec9c60217f603e
Diffstat (limited to 'contrib/python/pytest-localserver/py3/tests/test_http.py')
-rw-r--r-- | contrib/python/pytest-localserver/py3/tests/test_http.py | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/contrib/python/pytest-localserver/py3/tests/test_http.py b/contrib/python/pytest-localserver/py3/tests/test_http.py new file mode 100644 index 0000000000..64859ffd25 --- /dev/null +++ b/contrib/python/pytest-localserver/py3/tests/test_http.py @@ -0,0 +1,297 @@ +import itertools +import subprocess +import sys +import textwrap + +import pytest +import requests + +from pytest_localserver import http +from pytest_localserver import plugin + + +# define test fixture here again in order to run tests without having to +# install the plugin anew every single time +httpserver = plugin.httpserver + + +transfer_encoded = pytest.mark.parametrize( + "transfer_encoding_header", ["Transfer-encoding", "Transfer-Encoding", "transfer-encoding", "TRANSFER-ENCODING"] +) + + +def test_httpserver_funcarg(httpserver): + assert isinstance(httpserver, http.ContentServer) + assert httpserver.is_alive() + assert httpserver.server_address + + +def test_server_does_not_serve_file_at_startup(httpserver): + assert httpserver.code == 204 + assert httpserver.content == "" + + +def test_some_content_retrieval(httpserver): + httpserver.serve_content("TEST!") + resp = requests.get(httpserver.url) + assert resp.text == "TEST!" + assert resp.status_code == 200 + + +def test_request_is_stored(httpserver): + httpserver.serve_content("TEST!") + assert len(httpserver.requests) == 0 + requests.get(httpserver.url) + assert len(httpserver.requests) == 1 + + +def test_GET_request(httpserver): + httpserver.serve_content("TEST!", headers={"Content-type": "text/plain"}) + resp = requests.get(httpserver.url, headers={"User-Agent": "Test method"}) + assert resp.text == "TEST!" + assert resp.status_code == 200 + assert "text/plain" in resp.headers["Content-type"] + + +# FIXME get compression working! +# def test_gzipped_GET_request(httpserver): +# httpserver.serve_content('TEST!', headers={'Content-type': 'text/plain'}) +# httpserver.compress = 'gzip' +# resp = requests.get(httpserver.url, headers={ +# 'User-Agent': 'Test method', +# 'Accept-encoding': 'gzip' +# }) +# assert resp.text == 'TEST!' +# assert resp.status_code == 200 +# assert resp.content_encoding == 'gzip' +# assert resp.headers['Content-type'] == 'text/plain' +# assert resp.headers['content-encoding'] == 'gzip' + + +def test_HEAD_request(httpserver): + httpserver.serve_content("TEST!", headers={"Content-type": "text/plain"}) + resp = requests.head(httpserver.url) + assert resp.status_code == 200 + assert resp.headers["Content-type"] == "text/plain" + + +# def test_POST_request(httpserver): +# headers = {'Content-type': 'application/x-www-form-urlencoded', +# 'set-cookie': 'some _cookie_content'} +# +# httpserver.serve_content('TEST!', headers=headers) +# resp = requests.post(httpserver.url, data={'data': 'value'}, headers=headers) +# assert resp.text == 'TEST!' +# assert resp.status_code == 200 +# +# httpserver.serve_content('TEST!', headers=headers, show_post_vars=True) +# resp = requests.post(httpserver.url, data={'data': 'value'}, headers=headers) +# assert resp.json() == {'data': 'value'} +# assert resp.status_code == 200 + + +@pytest.mark.parametrize("chunked_flag", [http.Chunked.YES, http.Chunked.AUTO, http.Chunked.NO]) +def test_chunked_attribute_without_header(httpserver, chunked_flag): + """ + Test that passing the chunked attribute to serve_content() properly sets + the chunked property of the server. + """ + httpserver.serve_content(("TEST!", "test"), headers={"Content-type": "text/plain"}, chunked=chunked_flag) + assert httpserver.chunked == chunked_flag + + +@pytest.mark.parametrize("chunked_flag", [http.Chunked.YES, http.Chunked.AUTO, http.Chunked.NO]) +def test_chunked_attribute_with_header(httpserver, chunked_flag): + """ + Test that passing the chunked attribute to serve_content() properly sets + the chunked property of the server even when the transfer-encoding header is + also set. + """ + httpserver.serve_content( + ("TEST!", "test"), headers={"Content-type": "text/plain", "Transfer-encoding": "chunked"}, chunked=chunked_flag + ) + assert httpserver.chunked == chunked_flag + + +@transfer_encoded +@pytest.mark.parametrize("chunked_flag", [http.Chunked.YES, http.Chunked.AUTO]) +def test_GET_request_chunked_parameter(httpserver, transfer_encoding_header, chunked_flag): + """ + Test that passing YES or AUTO as the chunked parameter to serve_content() + causes the response to be sent using chunking when the Transfer-encoding + header is also set. + """ + httpserver.serve_content( + ("TEST!", "test"), + headers={"Content-type": "text/plain", transfer_encoding_header: "chunked"}, + chunked=chunked_flag, + ) + resp = requests.get(httpserver.url, headers={"User-Agent": "Test method"}) + assert resp.text == "TEST!test" + assert resp.status_code == 200 + assert "text/plain" in resp.headers["Content-type"] + assert "chunked" in resp.headers["Transfer-encoding"] + + +@transfer_encoded +@pytest.mark.parametrize("chunked_flag", [http.Chunked.YES, http.Chunked.AUTO]) +def test_GET_request_chunked_attribute(httpserver, transfer_encoding_header, chunked_flag): + """ + Test that setting the chunked attribute of httpserver to YES or AUTO + causes the response to be sent using chunking when the Transfer-encoding + header is also set. + """ + httpserver.serve_content( + ("TEST!", "test"), headers={"Content-type": "text/plain", transfer_encoding_header: "chunked"} + ) + httpserver.chunked = chunked_flag + resp = requests.get(httpserver.url, headers={"User-Agent": "Test method"}) + assert resp.text == "TEST!test" + assert resp.status_code == 200 + assert "text/plain" in resp.headers["Content-type"] + assert "chunked" in resp.headers["Transfer-encoding"] + + +@transfer_encoded +def test_GET_request_not_chunked(httpserver, transfer_encoding_header): + """ + Test that setting the chunked attribute of httpserver to NO causes + the response not to be sent using chunking even if the Transfer-encoding + header is set. + """ + httpserver.serve_content( + ("TEST!", "test"), + headers={"Content-type": "text/plain", transfer_encoding_header: "chunked"}, + chunked=http.Chunked.NO, + ) + with pytest.raises(requests.exceptions.ChunkedEncodingError): + requests.get(httpserver.url, headers={"User-Agent": "Test method"}) + + +@pytest.mark.parametrize("chunked_flag", [http.Chunked.NO, http.Chunked.AUTO]) +def test_GET_request_chunked_parameter_no_header(httpserver, chunked_flag): + """ + Test that passing NO or AUTO as the chunked parameter to serve_content() + causes the response not to be sent using chunking when the Transfer-encoding + header is not set. + """ + httpserver.serve_content(("TEST!", "test"), headers={"Content-type": "text/plain"}, chunked=chunked_flag) + resp = requests.get(httpserver.url, headers={"User-Agent": "Test method"}) + assert resp.text == "TEST!test" + assert resp.status_code == 200 + assert "text/plain" in resp.headers["Content-type"] + assert "Transfer-encoding" not in resp.headers + + +@pytest.mark.parametrize("chunked_flag", [http.Chunked.NO, http.Chunked.AUTO]) +def test_GET_request_chunked_attribute_no_header(httpserver, chunked_flag): + """ + Test that setting the chunked attribute of httpserver to NO or AUTO + causes the response not to be sent using chunking when the Transfer-encoding + header is not set. + """ + httpserver.serve_content(("TEST!", "test"), headers={"Content-type": "text/plain"}) + httpserver.chunked = chunked_flag + resp = requests.get(httpserver.url, headers={"User-Agent": "Test method"}) + assert resp.text == "TEST!test" + assert resp.status_code == 200 + assert "text/plain" in resp.headers["Content-type"] + assert "Transfer-encoding" not in resp.headers + + +def test_GET_request_chunked_no_header(httpserver): + """ + Test that setting the chunked attribute of httpserver to YES causes + the response to be sent using chunking even if the Transfer-encoding + header is not set. + """ + httpserver.serve_content(("TEST!", "test"), headers={"Content-type": "text/plain"}, chunked=http.Chunked.YES) + resp = requests.get(httpserver.url, headers={"User-Agent": "Test method"}) + # Without the Transfer-encoding header set, requests does not undo the chunk + # encoding so it comes through as "raw" chunks + assert resp.text == "5\r\nTEST!\r\n4\r\ntest\r\n0\r\n\r\n" + + +def _format_chunk(chunk): + r = repr(chunk) + if len(r) <= 40: + return r + else: + return r[:13] + "..." + r[-14:] + " (length {})".format(len(chunk)) + + +def _compare_chunks(expected, actual): + __tracebackhide__ = True + if expected != actual: + message = [_format_chunk(expected) + " != " + _format_chunk(actual)] + if type(expected) == type(actual): + for i, (e, a) in enumerate(itertools.zip_longest(expected, actual, fillvalue="<end>")): + if e != a: + message += [ + " Chunks differ at index {}:".format(i), + " Expected: " + (repr(expected[i : i + 5]) + "..." if e != "<end>" else "<end>"), + " Found: " + (repr(actual[i : i + 5]) + "..." if a != "<end>" else "<end>"), + ] + break + pytest.fail("\n".join(message)) + + +@pytest.mark.parametrize("chunk_size", [400, 499, 500, 512, 750, 1024, 4096, 8192]) +def test_GET_request_large_chunks(httpserver, chunk_size): + """ + Test that a response with large chunks comes through correctly + """ + body = b"0123456789abcdef" * 1024 # 16 kb total + # Split body into fixed-size chunks, from https://stackoverflow.com/a/18854817/56541 + chunks = [body[0 + i : chunk_size + i] for i in range(0, len(body), chunk_size)] + httpserver.serve_content( + chunks, headers={"Content-type": "text/plain", "Transfer-encoding": "chunked"}, chunked=http.Chunked.YES + ) + resp = requests.get(httpserver.url, headers={"User-Agent": "Test method"}, stream=True) + assert resp.status_code == 200 + text = b"" + for original_chunk, received_chunk in itertools.zip_longest(chunks, resp.iter_content(chunk_size=None)): + _compare_chunks(original_chunk, received_chunk) + text += received_chunk + assert text == body + assert "chunked" in resp.headers["Transfer-encoding"] + + +@pytest.mark.parametrize("chunked_flag", [http.Chunked.YES, http.Chunked.AUTO]) +def test_GET_request_chunked_no_content_length(httpserver, chunked_flag): + """ + Test that a chunked response does not include a Content-length header + """ + httpserver.serve_content( + ("TEST!", "test"), headers={"Content-type": "text/plain", "Transfer-encoding": "chunked"}, chunked=chunked_flag + ) + resp = requests.get(httpserver.url, headers={"User-Agent": "Test method"}) + assert resp.status_code == 200 + assert "Transfer-encoding" in resp.headers + assert "Content-length" not in resp.headers + + +def test_httpserver_init_failure_no_stderr_during_cleanup(tmp_path): + """ + Test that, when the server encounters an error during __init__, its cleanup + does not raise an AttributeError in its __del__ method, which would emit a + warning onto stderr. + """ + + script_path = tmp_path.joinpath("script.py") + + script_path.write_text(textwrap.dedent(""" + from pytest_localserver import http + from unittest.mock import patch + + with patch("pytest_localserver.http.make_server", side_effect=RuntimeError("init failure")): + server = http.ContentServer() + """)) + + result = subprocess.run([sys.executable, str(script_path)], stderr=subprocess.PIPE) + + # We ensure that no warning about an AttributeError is printed on stderr + # due to an error in the server's __del__ method. This AttributeError is + # raised during cleanup and doesn't affect the exit code of the script, so + # we can't use the exit code to tell whether the script did its job. + assert b"AttributeError" not in result.stderr |