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wsgi_handler_test.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import print_function
try:
import __builtin__ as builtins
except ImportError: # pragma: no cover
import builtins
import importlib
import json
import os
import sys
import pytest
from werkzeug.datastructures import MultiDict
from werkzeug.wrappers import Request, Response
from werkzeug.urls import url_encode
PY2 = sys.version_info[0] == 2
# Reference to open() before monkeypatching
original_open = open
# This workaround is needed for coverage.py to pick up the wsgi handler module
try:
import wsgi_handler # noqa: F401
except: # noqa: E722
pass
class MockApp:
def __init__(self):
self.cookie_count = 3
self.response_mimetype = "text/plain"
def __call__(self, environ, start_response):
self.last_environ = environ
response = Response(u"Hello World ☃!", mimetype=self.response_mimetype)
cookies = [
("CUSTOMER", "WILE_E_COYOTE"),
("PART_NUMBER", "ROCKET_LAUNCHER_0002"),
("LOT_NUMBER", "42"),
]
for cookie in cookies[: self.cookie_count]:
response.set_cookie(cookie[0], cookie[1])
print("application debug #1", file=environ["wsgi.errors"])
return response(environ, start_response)
class MockFile:
def __init__(self):
self.contents = None
def __enter__(self):
return self
def __exit__(self, *args):
pass
def read(self):
return self.contents
def write(self, data):
self.contents = data
class MockFileManager:
def __init__(self):
self.files = {}
def open(self, name, mode="r", buffering=-1, **options):
if name not in self.files:
if mode.startswith("r"): # pragma: no cover
return original_open(name, mode, buffering, **options)
else:
self.files[name] = MockFile()
return self.files[name]
@pytest.fixture
def mock_app(monkeypatch):
mock_app = MockApp()
def mock_importlib(module):
class MockObject:
pass
app = MockObject()
app.app = mock_app
app.app.module = module
return app
monkeypatch.setattr(importlib, "import_module", mock_importlib)
return mock_app
@pytest.fixture
def mock_app_with_import_error(monkeypatch):
def mock_importlib(module):
raise ImportError("No module named {}".format(module))
monkeypatch.setattr(importlib, "import_module", mock_importlib)
@pytest.fixture
def mock_wsgi_app_file(monkeypatch):
monkeypatch.setattr(os.path, "abspath", lambda x: "/tmp")
manager = MockFileManager()
with manager.open("/tmp/.serverless-wsgi", "w") as f:
f.write(json.dumps({"app": "app.app"}))
monkeypatch.setattr(builtins, "open", manager.open)
@pytest.fixture
def mock_subdir_wsgi_app_file(monkeypatch):
monkeypatch.setattr(os.path, "abspath", lambda x: "/tmp")
manager = MockFileManager()
with manager.open("/tmp/.serverless-wsgi", "w") as f:
f.write(json.dumps({"app": "subdir/app.app"}))
monkeypatch.setattr(builtins, "open", manager.open)
@pytest.fixture
def mock_text_mime_wsgi_app_file(monkeypatch):
monkeypatch.setattr(os.path, "abspath", lambda x: "/tmp")
manager = MockFileManager()
with manager.open("/tmp/.serverless-wsgi", "w") as f:
f.write(
json.dumps(
{"app": "app.app", "text_mime_types": ["application/custom+json"]}
)
)
monkeypatch.setattr(builtins, "open", manager.open)
@pytest.fixture
def event():
return {
"body": None,
"headers": {
"Accept": "*/*",
"Accept-Encoding": "gzip, deflate",
"CloudFront-Forwarded-Proto": "https",
"CloudFront-Is-Desktop-Viewer": "true",
"CloudFront-Is-Mobile-Viewer": "false",
"CloudFront-Is-SmartTV-Viewer": "false",
"CloudFront-Is-Tablet-Viewer": "false",
"CloudFront-Viewer-Country": "DK",
"Cookie": "CUSTOMER=WILE_E_COYOTE; PART_NUMBER=ROCKET_LAUNCHER_0001",
"Host": "3z6kd9fbb1.execute-api.us-east-1.amazonaws.com",
"Postman-Token": "778a706e-d6b0-48d5-94dd-9e98c22f12fe",
"User-Agent": "PostmanRuntime/3.0.11-hotfix.2",
"Via": "1.1 b8fa.cloudfront.net (CloudFront)",
"X-Amz-Cf-Id": "jx0Bvz9rm--Mz3wAj4i46FdOQQK3RHF4H0moJjBsQ==",
"X-Amzn-Trace-Id": "Root=1-58d534a5-1e7cffe644b086304dce7a1e",
"X-Forwarded-For": "76.20.166.147, 205.251.218.72",
"X-Forwarded-Port": "443",
"X-Forwarded-Proto": "https",
"cache-control": "no-cache",
},
"httpMethod": "GET",
"isBase64Encoded": False,
"path": "/some/path",
"pathParameters": {"proxy": "some/path"},
"queryStringParameters": {"param1": "value1", "param2": "value2"},
"requestContext": {
"accountId": "16794",
"apiId": "3z6kd9fbb1",
"httpMethod": "GET",
"identity": {
"accessKey": None,
"accountId": None,
"apiKey": None,
"caller": None,
"cognitoAuthenticationProvider": None,
"cognitoAuthenticationType": None,
"cognitoIdentityId": None,
"cognitoIdentityPoolId": None,
"sourceIp": "76.20.166.147",
"user": None,
"userAgent": "PostmanRuntime/3.0.11-hotfix.2",
"userArn": None,
},
"authorizer": {"principalId": "wile_e_coyote"},
"requestId": "ad2db740-10a2-11e7-8ced-35048084babb",
"resourceId": "r4kza9",
"resourcePath": "/{proxy+}",
"stage": "dev",
},
"resource": "/{proxy+}",
"stageVariables": None,
}
@pytest.fixture # noqa: F811
def wsgi_handler():
if "wsgi_handler" in sys.modules:
del sys.modules["wsgi_handler"]
import wsgi_handler
return wsgi_handler
def test_handler(mock_wsgi_app_file, mock_app, event, capsys, wsgi_handler):
response = wsgi_handler.handler(event, {"memory_limit_in_mb": "128"})
assert response == {
"body": u"Hello World ☃!",
"headers": {
"set-cookie": "CUSTOMER=WILE_E_COYOTE; Path=/",
"Content-Length": "16",
"Content-Type": "text/plain; charset=utf-8",
"sEt-cookie": "LOT_NUMBER=42; Path=/",
"Set-cookie": "PART_NUMBER=ROCKET_LAUNCHER_0002; Path=/",
},
"statusCode": 200,
"isBase64Encoded": False,
}
assert wsgi_handler.wsgi_app.last_environ == {
"CONTENT_LENGTH": "0",
"CONTENT_TYPE": "",
"HTTP_ACCEPT": "*/*",
"HTTP_ACCEPT_ENCODING": "gzip, deflate",
"HTTP_CACHE_CONTROL": "no-cache",
"HTTP_CLOUDFRONT_FORWARDED_PROTO": "https",
"HTTP_CLOUDFRONT_IS_DESKTOP_VIEWER": "true",
"HTTP_CLOUDFRONT_IS_MOBILE_VIEWER": "false",
"HTTP_CLOUDFRONT_IS_SMARTTV_VIEWER": "false",
"HTTP_CLOUDFRONT_IS_TABLET_VIEWER": "false",
"HTTP_CLOUDFRONT_VIEWER_COUNTRY": "DK",
"HTTP_COOKIE": "CUSTOMER=WILE_E_COYOTE; PART_NUMBER=ROCKET_LAUNCHER_0001",
"HTTP_HOST": "3z6kd9fbb1.execute-api.us-east-1.amazonaws.com",
"HTTP_POSTMAN_TOKEN": "778a706e-d6b0-48d5-94dd-9e98c22f12fe",
"HTTP_USER_AGENT": "PostmanRuntime/3.0.11-hotfix.2",
"HTTP_VIA": "1.1 b8fa.cloudfront.net (CloudFront)",
"HTTP_X_AMZN_TRACE_ID": "Root=1-58d534a5-1e7cffe644b086304dce7a1e",
"HTTP_X_AMZ_CF_ID": "jx0Bvz9rm--Mz3wAj4i46FdOQQK3RHF4H0moJjBsQ==",
"HTTP_X_FORWARDED_FOR": "76.20.166.147, 205.251.218.72",
"HTTP_X_FORWARDED_PORT": "443",
"HTTP_X_FORWARDED_PROTO": "https",
"PATH_INFO": "/some/path",
"QUERY_STRING": url_encode(event["queryStringParameters"]),
"REMOTE_ADDR": "76.20.166.147",
"REMOTE_USER": "wile_e_coyote",
"REQUEST_METHOD": "GET",
"SCRIPT_NAME": "/dev",
"SERVER_NAME": "3z6kd9fbb1.execute-api.us-east-1.amazonaws.com",
"SERVER_PORT": "443",
"SERVER_PROTOCOL": "HTTP/1.1",
"wsgi.errors": wsgi_handler.wsgi_app.last_environ["wsgi.errors"],
"wsgi.input": wsgi_handler.wsgi_app.last_environ["wsgi.input"],
"wsgi.multiprocess": False,
"wsgi.multithread": False,
"wsgi.run_once": False,
"wsgi.url_scheme": "https",
"wsgi.version": (1, 0),
"API_GATEWAY_AUTHORIZER": {"principalId": "wile_e_coyote"},
"context": {"memory_limit_in_mb": "128"},
"event": event,
"serverless.authorizer": {"principalId": "wile_e_coyote"},
"serverless.context": {"memory_limit_in_mb": "128"},
"serverless.event": event,
}
out, err = capsys.readouterr()
assert out == ""
assert err == "application debug #1\n"
def test_handler_multivalue(mock_wsgi_app_file, mock_app, event, capsys, wsgi_handler):
event["multiValueQueryStringParameters"] = {
"param1": ["value1"],
"param2": ["value2", "value3"],
}
# Convert regular headers request to multiValueHeaders
multi_headers = {}
for key, value in event["headers"].items():
if key not in multi_headers:
multi_headers[key] = []
multi_headers[key].append(value)
event["multiValueHeaders"] = multi_headers
response = wsgi_handler.handler(event, {"memory_limit_in_mb": "128"})
query_string = wsgi_handler.wsgi_app.last_environ["QUERY_STRING"]
assert query_string == url_encode(
MultiDict(
(i, k)
for i, j in event["multiValueQueryStringParameters"].items()
for k in j
)
)
assert response == {
"body": u"Hello World ☃!",
"multiValueHeaders": {
"Content-Length": ["16"],
"Content-Type": ["text/plain; charset=utf-8"],
"Set-Cookie": [
"CUSTOMER=WILE_E_COYOTE; Path=/",
"PART_NUMBER=ROCKET_LAUNCHER_0002; Path=/",
"LOT_NUMBER=42; Path=/",
],
},
"statusCode": 200,
"isBase64Encoded": False,
}
def test_handler_china(mock_wsgi_app_file, mock_app, event, capsys, wsgi_handler):
event["headers"]["Host"] = "x.amazonaws.com.cn"
wsgi_handler.handler(event, {"memory_limit_in_mb": "128"})
assert wsgi_handler.wsgi_app.last_environ["SCRIPT_NAME"] == "/dev"
def test_handler_single_cookie(mock_wsgi_app_file, mock_app, event, wsgi_handler):
wsgi_handler.wsgi_app.cookie_count = 1
response = wsgi_handler.handler(event, {})
assert response == {
"body": u"Hello World ☃!",
"headers": {
"Set-Cookie": "CUSTOMER=WILE_E_COYOTE; Path=/",
"Content-Length": "16",
"Content-Type": "text/plain; charset=utf-8",
},
"statusCode": 200,
"isBase64Encoded": False,
}
def test_handler_no_cookie(mock_wsgi_app_file, mock_app, event, wsgi_handler):
wsgi_handler.wsgi_app.cookie_count = 0
response = wsgi_handler.handler(event, {})
assert response == {
"body": u"Hello World ☃!",
"headers": {
"Content-Length": "16",
"Content-Type": "text/plain; charset=utf-8",
},
"statusCode": 200,
"isBase64Encoded": False,
}
def test_handler_schedule(mock_wsgi_app_file, mock_app, event, wsgi_handler):
event = {"source": "aws.events"}
response = wsgi_handler.handler(event, {})
assert response == {}
def test_handler_warmup_plugin(mock_wsgi_app_file, mock_app, event, wsgi_handler):
event = {"source": "serverless-plugin-warmup"}
response = wsgi_handler.handler(event, {})
assert response == {}
def test_handler_custom_domain(mock_wsgi_app_file, mock_app, event, wsgi_handler):
event["headers"]["Host"] = "custom.domain.com"
wsgi_handler.handler(event, {})
assert wsgi_handler.wsgi_app.last_environ == {
"CONTENT_LENGTH": "0",
"CONTENT_TYPE": "",
"HTTP_ACCEPT": "*/*",
"HTTP_ACCEPT_ENCODING": "gzip, deflate",
"HTTP_CACHE_CONTROL": "no-cache",
"HTTP_CLOUDFRONT_FORWARDED_PROTO": "https",
"HTTP_CLOUDFRONT_IS_DESKTOP_VIEWER": "true",
"HTTP_CLOUDFRONT_IS_MOBILE_VIEWER": "false",
"HTTP_CLOUDFRONT_IS_SMARTTV_VIEWER": "false",
"HTTP_CLOUDFRONT_IS_TABLET_VIEWER": "false",
"HTTP_CLOUDFRONT_VIEWER_COUNTRY": "DK",
"HTTP_COOKIE": "CUSTOMER=WILE_E_COYOTE; PART_NUMBER=ROCKET_LAUNCHER_0001",
"HTTP_HOST": "custom.domain.com",
"HTTP_POSTMAN_TOKEN": "778a706e-d6b0-48d5-94dd-9e98c22f12fe",
"HTTP_USER_AGENT": "PostmanRuntime/3.0.11-hotfix.2",
"HTTP_VIA": "1.1 b8fa.cloudfront.net (CloudFront)",
"HTTP_X_AMZN_TRACE_ID": "Root=1-58d534a5-1e7cffe644b086304dce7a1e",
"HTTP_X_AMZ_CF_ID": "jx0Bvz9rm--Mz3wAj4i46FdOQQK3RHF4H0moJjBsQ==",
"HTTP_X_FORWARDED_FOR": "76.20.166.147, 205.251.218.72",
"HTTP_X_FORWARDED_PORT": "443",
"HTTP_X_FORWARDED_PROTO": "https",
"PATH_INFO": "/some/path",
"QUERY_STRING": url_encode(event["queryStringParameters"]),
"REMOTE_ADDR": "76.20.166.147",
"REMOTE_USER": "wile_e_coyote",
"REQUEST_METHOD": "GET",
"SCRIPT_NAME": "",
"SERVER_NAME": "custom.domain.com",
"SERVER_PORT": "443",
"SERVER_PROTOCOL": "HTTP/1.1",
"wsgi.errors": wsgi_handler.wsgi_app.last_environ["wsgi.errors"],
"wsgi.input": wsgi_handler.wsgi_app.last_environ["wsgi.input"],
"wsgi.multiprocess": False,
"wsgi.multithread": False,
"wsgi.run_once": False,
"wsgi.url_scheme": "https",
"wsgi.version": (1, 0),
"API_GATEWAY_AUTHORIZER": {"principalId": "wile_e_coyote"},
"context": {},
"event": event,
"serverless.authorizer": {"principalId": "wile_e_coyote"},
"serverless.context": {},
"serverless.event": event,
}
def test_handler_api_gateway_base_path(
mock_wsgi_app_file, mock_app, event, wsgi_handler
):
event["headers"]["Host"] = "custom.domain.com"
event["path"] = "/prod/some/path"
os.environ.update(API_GATEWAY_BASE_PATH="prod")
wsgi_handler.handler(event, {})
assert wsgi_handler.wsgi_app.last_environ == {
"CONTENT_LENGTH": "0",
"CONTENT_TYPE": "",
"HTTP_ACCEPT": "*/*",
"HTTP_ACCEPT_ENCODING": "gzip, deflate",
"HTTP_CACHE_CONTROL": "no-cache",
"HTTP_CLOUDFRONT_FORWARDED_PROTO": "https",
"HTTP_CLOUDFRONT_IS_DESKTOP_VIEWER": "true",
"HTTP_CLOUDFRONT_IS_MOBILE_VIEWER": "false",
"HTTP_CLOUDFRONT_IS_SMARTTV_VIEWER": "false",
"HTTP_CLOUDFRONT_IS_TABLET_VIEWER": "false",
"HTTP_CLOUDFRONT_VIEWER_COUNTRY": "DK",
"HTTP_COOKIE": "CUSTOMER=WILE_E_COYOTE; PART_NUMBER=ROCKET_LAUNCHER_0001",
"HTTP_HOST": "custom.domain.com",
"HTTP_POSTMAN_TOKEN": "778a706e-d6b0-48d5-94dd-9e98c22f12fe",
"HTTP_USER_AGENT": "PostmanRuntime/3.0.11-hotfix.2",
"HTTP_VIA": "1.1 b8fa.cloudfront.net (CloudFront)",
"HTTP_X_AMZN_TRACE_ID": "Root=1-58d534a5-1e7cffe644b086304dce7a1e",
"HTTP_X_AMZ_CF_ID": "jx0Bvz9rm--Mz3wAj4i46FdOQQK3RHF4H0moJjBsQ==",
"HTTP_X_FORWARDED_FOR": "76.20.166.147, 205.251.218.72",
"HTTP_X_FORWARDED_PORT": "443",
"HTTP_X_FORWARDED_PROTO": "https",
"PATH_INFO": "/some/path",
"QUERY_STRING": url_encode(event["queryStringParameters"]),
"REMOTE_ADDR": "76.20.166.147",
"REMOTE_USER": "wile_e_coyote",
"REQUEST_METHOD": "GET",
"SCRIPT_NAME": "/prod",
"SERVER_NAME": "custom.domain.com",
"SERVER_PORT": "443",
"SERVER_PROTOCOL": "HTTP/1.1",
"wsgi.errors": wsgi_handler.wsgi_app.last_environ["wsgi.errors"],
"wsgi.input": wsgi_handler.wsgi_app.last_environ["wsgi.input"],
"wsgi.multiprocess": False,
"wsgi.multithread": False,
"wsgi.run_once": False,
"wsgi.url_scheme": "https",
"wsgi.version": (1, 0),
"API_GATEWAY_AUTHORIZER": {"principalId": "wile_e_coyote"},
"context": {},
"event": event,
"serverless.authorizer": {"principalId": "wile_e_coyote"},
"serverless.context": {},
"serverless.event": event,
}
def test_handler_base64(mock_wsgi_app_file, mock_app, event, wsgi_handler):
wsgi_handler.wsgi_app.cookie_count = 1
wsgi_handler.wsgi_app.response_mimetype = "image/jpeg"
response = wsgi_handler.handler(event, {})
assert response == {
"body": u"SGVsbG8gV29ybGQg4piDIQ==",
"headers": {
"Set-Cookie": "CUSTOMER=WILE_E_COYOTE; Path=/",
"Content-Length": "16",
"Content-Type": "image/jpeg",
},
"statusCode": 200,
"isBase64Encoded": True,
}
def test_handler_plain(mock_wsgi_app_file, mock_app, event, wsgi_handler):
wsgi_handler.wsgi_app.cookie_count = 1
plain_mimetypes = [
"application/vnd.api+json",
"application/javascript",
"image/svg+xml",
]
for mimetype in plain_mimetypes:
wsgi_handler.wsgi_app.response_mimetype = mimetype
response = wsgi_handler.handler(event, {})
assert response == {
"body": u"Hello World ☃!",
"headers": {
"Set-Cookie": "CUSTOMER=WILE_E_COYOTE; Path=/",
"Content-Length": "16",
"Content-Type": mimetype,
},
"statusCode": 200,
"isBase64Encoded": False,
}
def test_handler_base64_request(mock_wsgi_app_file, mock_app, event, wsgi_handler):
event["body"] = "SGVsbG8gd29ybGQ="
event["headers"]["Content-Type"] = "text/plain"
event["isBase64Encoded"] = True
event["httpMethod"] = "PUT"
wsgi_handler.handler(event, {})
environ = wsgi_handler.wsgi_app.last_environ
assert environ["CONTENT_TYPE"] == "text/plain"
assert environ["CONTENT_LENGTH"] == "11"
assert environ["REQUEST_METHOD"] == "PUT"
assert environ["wsgi.input"].getvalue().decode() == "Hello world"
def test_non_package_subdir_app(mock_subdir_wsgi_app_file, mock_app, wsgi_handler):
assert wsgi_handler.wsgi_app.module == "app"
def test_handler_binary_request_body(mock_wsgi_app_file, mock_app, event, wsgi_handler):
event["body"] = (
u"LS0tLS0tV2ViS2l0Rm9ybUJvdW5kYXJ5VTRDZE5CRWVLQWxIaGRRcQ0KQ29udGVu"
u"dC1EaXNwb3NpdGlvbjogZm9ybS1kYXRhOyBuYW1lPSJ3YXQiDQoNCmhleW9vb3Bw"
u"cHBwDQotLS0tLS1XZWJLaXRGb3JtQm91bmRhcnlVNENkTkJFZUtBbEhoZFFxDQpD"
u"b250ZW50LURpc3Bvc2l0aW9uOiBmb3JtLWRhdGE7IG5hbWU9ImZpbGVUb1VwbG9h"
u"ZCI7IGZpbGVuYW1lPSJGRjREMDAtMC44LnBuZyINCkNvbnRlbnQtVHlwZTogaW1h"
u"Z2UvcG5nDQoNColQTkcNChoKAAAADUlIRFIAAAABAAAAAQEDAAAAJdtWygAAAANQ"
u"TFRF/00AXDU4fwAAAAF0Uk5TzNI0Vv0AAAAKSURBVHicY2IAAAAGAAM2N3yoAAAA"
u"AElFTkSuQmCCDQotLS0tLS1XZWJLaXRGb3JtQm91bmRhcnlVNENkTkJFZUtBbEho"
u"ZFFxDQpDb250ZW50LURpc3Bvc2l0aW9uOiBmb3JtLWRhdGE7IG5hbWU9InN1Ym1p"
u"dCINCg0KVXBsb2FkIEltYWdlDQotLS0tLS1XZWJLaXRGb3JtQm91bmRhcnlVNENk"
u"TkJFZUtBbEhoZFFxLS0NCg=="
)
event["headers"][
"Content-Type"
] = "multipart/form-data; boundary=----WebKitFormBoundaryU4CdNBEeKAlHhdQq"
event["isBase64Encoded"] = True
event["httpMethod"] = "POST"
wsgi_handler.handler(event, {})
environ = wsgi_handler.wsgi_app.last_environ
assert environ["CONTENT_LENGTH"] == "496"
assert Request(environ).form["submit"] == u"Upload Image"
def test_handler_request_body_undecodable_with_latin1(
mock_wsgi_app_file, mock_app, event, wsgi_handler
):
event["body"] = (
u"------WebKitFormBoundary3vA72kRLuq9D3NdL\r\n"
u'Content-Disposition: form-data; name="text"\r\n\r\n'
u"テスト 테스트 测试\r\n"
u"------WebKitFormBoundary3vA72kRLuq9D3NdL--"
)
event["headers"][
"Content-Type"
] = "multipart/form-data; boundary=----WebKitFormBoundary3vA72kRLuq9D3NdL"
event["httpMethod"] = "POST"
wsgi_handler.handler(event, {})
environ = wsgi_handler.wsgi_app.last_environ
assert Request(environ).form["text"] == u"テスト 테스트 测试"
def test_handler_custom_text_mime_types(
mock_text_mime_wsgi_app_file, mock_app, event, wsgi_handler
):
wsgi_handler.wsgi_app.cookie_count = 1
wsgi_handler.wsgi_app.response_mimetype = "application/custom+json"
response = wsgi_handler.handler(event, {})
assert response == {
"body": u"Hello World ☃!",
"headers": {
"Set-Cookie": "CUSTOMER=WILE_E_COYOTE; Path=/",
"Content-Length": "16",
"Content-Type": "application/custom+json",
},
"statusCode": 200,
"isBase64Encoded": False,
}
def test_handler_alb(mock_wsgi_app_file, mock_app, wsgi_handler):
response = wsgi_handler.handler(
{
"requestContext": {
"elb": {
"targetGroupArn": "arn:aws:elasticloadbalancing:us-east-1:12345:targetgroup/xxxx/5e43816d76759862"
}
},
"httpMethod": "GET",
"path": "/cats",
"queryStringParameters": {},
"headers": {
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"accept-encoding": "gzip, deflate",
"accept-language": "en-US,en;q=0.9,da;q=0.8",
"cache-control": "max-age=0",
"connection": "keep-alive",
"host": "xxxx-203391234.us-east-1.elb.amazonaws.com",
"upgrade-insecure-requests": "1",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
"x-amzn-trace-id": "Root=1-5f05949b-77e2b0f9434e2acbf5ad8ce8",
"x-forwarded-for": "95.181.37.218",
"x-forwarded-port": "80",
"x-forwarded-proto": "http",
},
"body": "",
"isBase64Encoded": False,
},
{},
)
assert response == {
"body": u"Hello World ☃!",
"headers": {
"set-cookie": "CUSTOMER=WILE_E_COYOTE; Path=/",
"Content-Length": "16",
"Content-Type": "text/plain; charset=utf-8",
"sEt-cookie": "LOT_NUMBER=42; Path=/",
"Set-cookie": "PART_NUMBER=ROCKET_LAUNCHER_0002; Path=/",
},
"statusDescription": "200 OK",
"statusCode": 200,
"isBase64Encoded": False,
}
def test_command_exec(mock_wsgi_app_file, mock_app, wsgi_handler):
response = wsgi_handler.handler(
{"_serverless-wsgi": {"command": "exec", "data": "print(1+4)"}}, {}
)
assert response == "5\n"
response = wsgi_handler.handler(
{"_serverless-wsgi": {"command": "exec", "data": "invalid code"}}, {}
)
assert "Traceback (most recent call last):" in response
assert "SyntaxError: invalid syntax" in response
def test_command_command(mock_wsgi_app_file, mock_app, wsgi_handler):
response = wsgi_handler.handler(
{"_serverless-wsgi": {"command": "command", "data": 'echo "hello world"'}}, {}
)
assert response == "hello world\n"
def test_command_manage(mock_wsgi_app_file, mock_app, wsgi_handler):
class MockObject:
pass
class MockDjango:
def call_command(*args):
print("Called with: {}".format(", ".join(args[1:])))
sys.modules["django"] = MockObject()
sys.modules["django.core"] = MockObject()
sys.modules["django.core"].management = MockDjango()
response = wsgi_handler.handler(
{"_serverless-wsgi": {"command": "manage", "data": "check --list-tags"}}, {}
)
assert response == "Called with: check, --list-tags\n"
def test_command_flask(mock_wsgi_app_file, mock_app, wsgi_handler):
class MockObject:
def __init__(self, **kwargs):
for k, v in kwargs.items():
self.__dict__[k] = v
class MockFlaskCli:
def main(ctx, args, standalone_mode, obj):
assert not standalone_mode
assert obj.create_app() == mock_app
print("Called with: {}".format(", ".join(args)))
sys.modules["flask"] = MockObject()
sys.modules["flask.cli"] = MockObject()
sys.modules["flask.cli"].ScriptInfo = MockObject
mock_app.cli = MockFlaskCli()
response = wsgi_handler.handler(
{"_serverless-wsgi": {"command": "flask", "data": "custom command"}}, {}
)
assert response == "Called with: custom, command\n"
def test_command_unknown(mock_wsgi_app_file, mock_app, wsgi_handler):
response = wsgi_handler.handler(
{"_serverless-wsgi": {"command": "unknown", "data": 'echo "hello world"'}}, {}
)
assert "Traceback (most recent call last):" in response
assert "Exception: Unknown command: unknown" in response
def test_app_import_error(mock_wsgi_app_file, mock_app_with_import_error, event):
with pytest.raises(Exception, message="Unable to import app.app"):
if "wsgi_handler" in sys.modules:
del sys.modules["wsgi_handler"]
import wsgi_handler # noqa: F401