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Copy pathtest_flask.py
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992 lines (733 loc) · 26.8 KB
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import json
import re
import logging
from io import BytesIO
import pytest
from flask import (
Flask,
Response,
request,
abort,
stream_with_context,
render_template_string,
)
from flask.views import View
from flask_login import LoginManager, login_user
try:
from werkzeug.wrappers.request import UnsupportedMediaType
except ImportError:
UnsupportedMediaType = None
import sentry_sdk.integrations.flask as flask_sentry
from sentry_sdk import (
set_tag,
configure_scope,
capture_message,
capture_exception,
last_event_id,
Hub,
)
from sentry_sdk.integrations.logging import LoggingIntegration
from sentry_sdk.serializer import MAX_DATABAG_BREADTH
login_manager = LoginManager()
@pytest.fixture
def app():
app = Flask(__name__)
app.config["TESTING"] = True
app.secret_key = "haha"
login_manager.init_app(app)
@app.route("/message")
def hi():
capture_message("hi")
return "ok"
@app.route("/message/<int:message_id>")
def hi_with_id(message_id):
capture_message("hi again")
return "ok"
return app
@pytest.fixture(params=("auto", "manual"))
def integration_enabled_params(request):
if request.param == "auto":
return {"auto_enabling_integrations": True}
elif request.param == "manual":
return {"integrations": [flask_sentry.FlaskIntegration()]}
else:
raise ValueError(request.param)
def test_has_context(sentry_init, app, capture_events):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
events = capture_events()
client = app.test_client()
response = client.get("/message")
assert response.status_code == 200
(event,) = events
assert event["transaction"] == "hi"
assert "data" not in event["request"]
assert event["request"]["url"] == "http://localhost/message"
@pytest.mark.parametrize(
"url,transaction_style,expected_transaction,expected_source",
[
("/message", "endpoint", "hi", "component"),
("/message", "url", "/message", "route"),
("/message/123456", "endpoint", "hi_with_id", "component"),
("/message/123456", "url", "/message/<int:message_id>", "route"),
],
)
def test_transaction_style(
sentry_init,
app,
capture_events,
url,
transaction_style,
expected_transaction,
expected_source,
):
sentry_init(
integrations=[
flask_sentry.FlaskIntegration(transaction_style=transaction_style)
]
)
events = capture_events()
client = app.test_client()
response = client.get(url)
assert response.status_code == 200
(event,) = events
assert event["transaction"] == expected_transaction
assert event["transaction_info"] == {"source": expected_source}
@pytest.mark.parametrize("debug", (True, False))
@pytest.mark.parametrize("testing", (True, False))
def test_errors(
sentry_init,
capture_exceptions,
capture_events,
app,
debug,
testing,
integration_enabled_params,
):
sentry_init(debug=True, **integration_enabled_params)
app.debug = debug
app.testing = testing
@app.route("/")
def index():
1 / 0
exceptions = capture_exceptions()
events = capture_events()
client = app.test_client()
try:
client.get("/")
except ZeroDivisionError:
pass
(exc,) = exceptions
assert isinstance(exc, ZeroDivisionError)
(event,) = events
assert event["exception"]["values"][0]["mechanism"]["type"] == "flask"
def test_flask_login_not_installed(
sentry_init, app, capture_events, monkeypatch, integration_enabled_params
):
sentry_init(**integration_enabled_params)
monkeypatch.setattr(flask_sentry, "flask_login", None)
events = capture_events()
client = app.test_client()
client.get("/message")
(event,) = events
assert event.get("user", {}).get("id") is None
def test_flask_login_not_configured(
sentry_init, app, capture_events, monkeypatch, integration_enabled_params
):
sentry_init(**integration_enabled_params)
assert flask_sentry.flask_login
events = capture_events()
client = app.test_client()
client.get("/message")
(event,) = events
assert event.get("user", {}).get("id") is None
def test_flask_login_partially_configured(
sentry_init, app, capture_events, monkeypatch, integration_enabled_params
):
sentry_init(**integration_enabled_params)
events = capture_events()
login_manager = LoginManager()
login_manager.init_app(app)
client = app.test_client()
client.get("/message")
(event,) = events
assert event.get("user", {}).get("id") is None
@pytest.mark.parametrize("send_default_pii", [True, False])
@pytest.mark.parametrize("user_id", [None, "42", 3])
def test_flask_login_configured(
send_default_pii,
sentry_init,
app,
user_id,
capture_events,
monkeypatch,
integration_enabled_params,
):
sentry_init(send_default_pii=send_default_pii, **integration_enabled_params)
class User(object):
is_authenticated = is_active = True
is_anonymous = user_id is not None
def get_id(self):
return str(user_id)
@login_manager.user_loader
def load_user(user_id):
if user_id is not None:
return User()
@app.route("/login")
def login():
if user_id is not None:
login_user(User())
return "ok"
events = capture_events()
client = app.test_client()
assert client.get("/login").status_code == 200
assert not events
assert client.get("/message").status_code == 200
(event,) = events
if user_id is None or not send_default_pii:
assert event.get("user", {}).get("id") is None
else:
assert event["user"]["id"] == str(user_id)
def test_flask_large_json_request(sentry_init, capture_events, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
data = {"foo": {"bar": "a" * 2000}}
@app.route("/", methods=["POST"])
def index():
assert request.get_json() == data
assert request.get_data() == json.dumps(data).encode("ascii")
assert not request.form
capture_message("hi")
return "ok"
events = capture_events()
client = app.test_client()
response = client.post("/", content_type="application/json", data=json.dumps(data))
assert response.status_code == 200
(event,) = events
assert event["_meta"]["request"]["data"]["foo"]["bar"] == {
"": {"len": 2000, "rem": [["!limit", "x", 1021, 1024]]}
}
assert len(event["request"]["data"]["foo"]["bar"]) == 1024
def test_flask_session_tracking(sentry_init, capture_envelopes, app):
sentry_init(
integrations=[flask_sentry.FlaskIntegration()],
release="demo-release",
)
@app.route("/")
def index():
with configure_scope() as scope:
scope.set_user({"ip_address": "1.2.3.4", "id": "42"})
try:
raise ValueError("stuff")
except Exception:
logging.exception("stuff happened")
1 / 0
envelopes = capture_envelopes()
with app.test_client() as client:
try:
client.get("/", headers={"User-Agent": "blafasel/1.0"})
except ZeroDivisionError:
pass
Hub.current.client.flush()
(first_event, error_event, session) = envelopes
first_event = first_event.get_event()
error_event = error_event.get_event()
session = session.items[0].payload.json
aggregates = session["aggregates"]
assert first_event["exception"]["values"][0]["type"] == "ValueError"
assert error_event["exception"]["values"][0]["type"] == "ZeroDivisionError"
assert len(aggregates) == 1
assert aggregates[0]["crashed"] == 1
assert aggregates[0]["started"]
assert session["attrs"]["release"] == "demo-release"
@pytest.mark.parametrize("data", [{}, []], ids=["empty-dict", "empty-list"])
def test_flask_empty_json_request(sentry_init, capture_events, app, data):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
@app.route("/", methods=["POST"])
def index():
assert request.get_json() == data
assert request.get_data() == json.dumps(data).encode("ascii")
assert not request.form
capture_message("hi")
return "ok"
events = capture_events()
client = app.test_client()
response = client.post("/", content_type="application/json", data=json.dumps(data))
assert response.status_code == 200
(event,) = events
assert event["request"]["data"] == data
def test_flask_medium_formdata_request(sentry_init, capture_events, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
data = {"foo": "a" * 2000}
@app.route("/", methods=["POST"])
def index():
assert request.form["foo"] == data["foo"]
assert not request.get_data()
try:
assert not request.get_json()
except UnsupportedMediaType:
# flask/werkzeug 3
pass
capture_message("hi")
return "ok"
events = capture_events()
client = app.test_client()
response = client.post("/", data=data)
assert response.status_code == 200
(event,) = events
assert event["_meta"]["request"]["data"]["foo"] == {
"": {"len": 2000, "rem": [["!limit", "x", 1021, 1024]]}
}
assert len(event["request"]["data"]["foo"]) == 1024
def test_flask_formdata_request_appear_transaction_body(
sentry_init, capture_events, app
):
"""
Test that ensures that transaction request data contains body, even if no exception was raised
"""
sentry_init(integrations=[flask_sentry.FlaskIntegration()], traces_sample_rate=1.0)
data = {"username": "sentry-user", "age": "26"}
@app.route("/", methods=["POST"])
def index():
assert request.form["username"] == data["username"]
assert request.form["age"] == data["age"]
assert not request.get_data()
try:
assert not request.get_json()
except UnsupportedMediaType:
# flask/werkzeug 3
pass
set_tag("view", "yes")
capture_message("hi")
return "ok"
events = capture_events()
client = app.test_client()
response = client.post("/", data=data)
assert response.status_code == 200
event, transaction_event = events
assert "request" in transaction_event
assert "data" in transaction_event["request"]
assert transaction_event["request"]["data"] == data
@pytest.mark.parametrize("input_char", ["a", b"a"])
def test_flask_too_large_raw_request(sentry_init, input_char, capture_events, app):
sentry_init(
integrations=[flask_sentry.FlaskIntegration()], max_request_body_size="small"
)
data = input_char * 2000
@app.route("/", methods=["POST"])
def index():
assert not request.form
if isinstance(data, bytes):
assert request.get_data() == data
else:
assert request.get_data() == data.encode("ascii")
try:
assert not request.get_json()
except UnsupportedMediaType:
# flask/werkzeug 3
pass
capture_message("hi")
return "ok"
events = capture_events()
client = app.test_client()
response = client.post("/", data=data)
assert response.status_code == 200
(event,) = events
assert event["_meta"]["request"]["data"] == {"": {"rem": [["!config", "x"]]}}
assert not event["request"]["data"]
def test_flask_files_and_form(sentry_init, capture_events, app):
sentry_init(
integrations=[flask_sentry.FlaskIntegration()], max_request_body_size="always"
)
data = {"foo": "a" * 2000, "file": (BytesIO(b"hello"), "hello.txt")}
@app.route("/", methods=["POST"])
def index():
assert list(request.form) == ["foo"]
assert list(request.files) == ["file"]
try:
assert not request.get_json()
except UnsupportedMediaType:
# flask/werkzeug 3
pass
capture_message("hi")
return "ok"
events = capture_events()
client = app.test_client()
response = client.post("/", data=data)
assert response.status_code == 200
(event,) = events
assert event["_meta"]["request"]["data"]["foo"] == {
"": {"len": 2000, "rem": [["!limit", "x", 1021, 1024]]}
}
assert len(event["request"]["data"]["foo"]) == 1024
assert event["_meta"]["request"]["data"]["file"] == {"": {"rem": [["!raw", "x"]]}}
assert not event["request"]["data"]["file"]
def test_json_not_truncated_if_max_request_body_size_is_always(
sentry_init, capture_events, app
):
sentry_init(
integrations=[flask_sentry.FlaskIntegration()], max_request_body_size="always"
)
data = {
"key{}".format(i): "value{}".format(i) for i in range(MAX_DATABAG_BREADTH + 10)
}
@app.route("/", methods=["POST"])
def index():
assert request.get_json() == data
assert request.get_data() == json.dumps(data).encode("ascii")
capture_message("hi")
return "ok"
events = capture_events()
client = app.test_client()
response = client.post("/", content_type="application/json", data=json.dumps(data))
assert response.status_code == 200
(event,) = events
assert event["request"]["data"] == data
@pytest.mark.parametrize(
"integrations",
[
[flask_sentry.FlaskIntegration()],
[flask_sentry.FlaskIntegration(), LoggingIntegration(event_level="ERROR")],
],
)
def test_errors_not_reported_twice(sentry_init, integrations, capture_events, app):
sentry_init(integrations=integrations)
@app.route("/")
def index():
try:
1 / 0
except Exception as e:
app.logger.exception(e)
raise e
events = capture_events()
client = app.test_client()
with pytest.raises(ZeroDivisionError):
client.get("/")
assert len(events) == 1
def test_logging(sentry_init, capture_events, app):
# ensure that Flask's logger magic doesn't break ours
sentry_init(
integrations=[
flask_sentry.FlaskIntegration(),
LoggingIntegration(event_level="ERROR"),
]
)
@app.route("/")
def index():
app.logger.error("hi")
return "ok"
events = capture_events()
client = app.test_client()
client.get("/")
(event,) = events
assert event["level"] == "error"
def test_no_errors_without_request(app, sentry_init):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
with app.app_context():
capture_exception(ValueError())
def test_cli_commands_raise(app):
if not hasattr(app, "cli"):
pytest.skip("Too old flask version")
from flask.cli import ScriptInfo
@app.cli.command()
def foo():
1 / 0
def create_app(*_):
return app
with pytest.raises(ZeroDivisionError):
app.cli.main(
args=["foo"], prog_name="myapp", obj=ScriptInfo(create_app=create_app)
)
def test_wsgi_level_error_is_caught(
app, capture_exceptions, capture_events, sentry_init
):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
def wsgi_app(environ, start_response):
1 / 0
app.wsgi_app = wsgi_app
client = app.test_client()
exceptions = capture_exceptions()
events = capture_events()
with pytest.raises(ZeroDivisionError) as exc:
client.get("/")
(error,) = exceptions
assert error is exc.value
(event,) = events
assert event["exception"]["values"][0]["mechanism"]["type"] == "wsgi"
def test_500(sentry_init, capture_events, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
app.debug = False
app.testing = False
@app.route("/")
def index():
1 / 0
@app.errorhandler(500)
def error_handler(err):
return "Sentry error: %s" % last_event_id()
events = capture_events()
client = app.test_client()
response = client.get("/")
(event,) = events
assert response.data.decode("utf-8") == "Sentry error: %s" % event["event_id"]
def test_error_in_errorhandler(sentry_init, capture_events, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
app.debug = False
app.testing = False
@app.route("/")
def index():
raise ValueError()
@app.errorhandler(500)
def error_handler(err):
1 / 0
events = capture_events()
client = app.test_client()
with pytest.raises(ZeroDivisionError):
client.get("/")
event1, event2 = events
(exception,) = event1["exception"]["values"]
assert exception["type"] == "ValueError"
exception = event2["exception"]["values"][-1]
assert exception["type"] == "ZeroDivisionError"
def test_bad_request_not_captured(sentry_init, capture_events, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
events = capture_events()
@app.route("/")
def index():
abort(400)
client = app.test_client()
client.get("/")
assert not events
def test_does_not_leak_scope(sentry_init, capture_events, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
events = capture_events()
with configure_scope() as scope:
scope.set_tag("request_data", False)
@app.route("/")
def index():
with configure_scope() as scope:
scope.set_tag("request_data", True)
def generate():
for row in range(1000):
with configure_scope() as scope:
assert scope._tags["request_data"]
yield str(row) + "\n"
return Response(stream_with_context(generate()), mimetype="text/csv")
client = app.test_client()
response = client.get("/")
assert response.data.decode() == "".join(str(row) + "\n" for row in range(1000))
assert not events
with configure_scope() as scope:
assert not scope._tags["request_data"]
def test_scoped_test_client(sentry_init, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
@app.route("/")
def index():
return "ok"
with app.test_client() as client:
response = client.get("/")
assert response.status_code == 200
@pytest.mark.parametrize("exc_cls", [ZeroDivisionError, Exception])
def test_errorhandler_for_exception_swallows_exception(
sentry_init, app, capture_events, exc_cls
):
# In contrast to error handlers for a status code, error
# handlers for exceptions can swallow the exception (this is
# just how the Flask signal works)
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
events = capture_events()
@app.route("/")
def index():
1 / 0
@app.errorhandler(exc_cls)
def zerodivision(e):
return "ok"
with app.test_client() as client:
response = client.get("/")
assert response.status_code == 200
assert not events
def test_tracing_success(sentry_init, capture_events, app):
sentry_init(traces_sample_rate=1.0, integrations=[flask_sentry.FlaskIntegration()])
@app.before_request
def _():
set_tag("before_request", "yes")
@app.route("/message_tx")
def hi_tx():
set_tag("view", "yes")
capture_message("hi")
return "ok"
events = capture_events()
with app.test_client() as client:
response = client.get("/message_tx")
assert response.status_code == 200
message_event, transaction_event = events
assert transaction_event["type"] == "transaction"
assert transaction_event["transaction"] == "hi_tx"
assert transaction_event["contexts"]["trace"]["status"] == "ok"
assert transaction_event["tags"]["view"] == "yes"
assert transaction_event["tags"]["before_request"] == "yes"
assert message_event["message"] == "hi"
assert message_event["transaction"] == "hi_tx"
assert message_event["tags"]["view"] == "yes"
assert message_event["tags"]["before_request"] == "yes"
def test_tracing_error(sentry_init, capture_events, app):
sentry_init(traces_sample_rate=1.0, integrations=[flask_sentry.FlaskIntegration()])
events = capture_events()
@app.route("/error")
def error():
1 / 0
with pytest.raises(ZeroDivisionError):
with app.test_client() as client:
response = client.get("/error")
assert response.status_code == 500
error_event, transaction_event = events
assert transaction_event["type"] == "transaction"
assert transaction_event["transaction"] == "error"
assert transaction_event["contexts"]["trace"]["status"] == "internal_error"
assert error_event["transaction"] == "error"
(exception,) = error_event["exception"]["values"]
assert exception["type"] == "ZeroDivisionError"
def test_error_has_trace_context_if_tracing_disabled(sentry_init, capture_events, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
events = capture_events()
@app.route("/error")
def error():
1 / 0
with pytest.raises(ZeroDivisionError):
with app.test_client() as client:
response = client.get("/error")
assert response.status_code == 500
(error_event,) = events
assert error_event["contexts"]["trace"]
def test_class_based_views(sentry_init, app, capture_events):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
events = capture_events()
@app.route("/")
class HelloClass(View):
def dispatch_request(self):
capture_message("hi")
return "ok"
app.add_url_rule("/hello-class/", view_func=HelloClass.as_view("hello_class"))
with app.test_client() as client:
response = client.get("/hello-class/")
assert response.status_code == 200
(event,) = events
assert event["message"] == "hi"
assert event["transaction"] == "hello_class"
@pytest.mark.parametrize(
"template_string", ["{{ sentry_trace }}", "{{ sentry_trace_meta }}"]
)
def test_template_tracing_meta(sentry_init, app, capture_events, template_string):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
events = capture_events()
@app.route("/")
def index():
hub = Hub.current
capture_message(hub.get_traceparent() + "\n" + hub.get_baggage())
return render_template_string(template_string)
with app.test_client() as client:
response = client.get("/")
assert response.status_code == 200
rendered_meta = response.data.decode("utf-8")
traceparent, baggage = events[0]["message"].split("\n")
assert traceparent != ""
assert baggage != ""
match = re.match(
r'^<meta name="sentry-trace" content="([^\"]*)"><meta name="baggage" content="([^\"]*)">',
rendered_meta,
)
assert match is not None
assert match.group(1) == traceparent
# Python 2 does not preserve sort order
rendered_baggage = match.group(2)
assert sorted(rendered_baggage.split(",")) == sorted(baggage.split(","))
def test_dont_override_sentry_trace_context(sentry_init, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
@app.route("/")
def index():
return render_template_string("{{ sentry_trace }}", sentry_trace="hi")
with app.test_client() as client:
response = client.get("/")
assert response.status_code == 200
assert response.data == b"hi"
def test_request_not_modified_by_reference(sentry_init, capture_events, app):
sentry_init(integrations=[flask_sentry.FlaskIntegration()])
@app.route("/", methods=["POST"])
def index():
logging.critical("oops")
assert request.get_json() == {"password": "ohno"}
assert request.headers["Authorization"] == "Bearer ohno"
return "ok"
events = capture_events()
client = app.test_client()
client.post(
"/", json={"password": "ohno"}, headers={"Authorization": "Bearer ohno"}
)
(event,) = events
assert event["request"]["data"]["password"] == "[Filtered]"
assert event["request"]["headers"]["Authorization"] == "[Filtered]"
@pytest.mark.parametrize("traces_sample_rate", [None, 1.0])
def test_replay_event_context(sentry_init, capture_events, app, traces_sample_rate):
"""
Tests that the replay context is added to the event context.
This is not strictly a Flask integration test, but it's the easiest way to test this.
"""
sentry_init(traces_sample_rate=traces_sample_rate)
@app.route("/error")
def error():
return 1 / 0
events = capture_events()
client = app.test_client()
headers = {
"baggage": "other-vendor-value-1=foo;bar;baz,sentry-trace_id=771a43a4192642f0b136d5159a501700,sentry-public_key=49d0f7386ad645858ae85020e393bef3, sentry-sample_rate=0.01337,sentry-user_id=Am%C3%A9lie,other-vendor-value-2=foo;bar,sentry-replay_id=12312012123120121231201212312012",
"sentry-trace": "771a43a4192642f0b136d5159a501700-1234567890abcdef-1",
}
with pytest.raises(ZeroDivisionError):
client.get("/error", headers=headers)
event = events[0]
assert event["contexts"]
assert event["contexts"]["replay"]
assert (
event["contexts"]["replay"]["replay_id"] == "12312012123120121231201212312012"
)
def test_response_status_code_ok_in_transaction_context(
sentry_init, capture_envelopes, app
):
"""
Tests that the response status code is added to the transaction context.
This also works for when there is an Exception during the request, but somehow the test flask app doesn't seem to trigger that.
"""
sentry_init(
integrations=[flask_sentry.FlaskIntegration()],
traces_sample_rate=1.0,
release="demo-release",
)
envelopes = capture_envelopes()
client = app.test_client()
client.get("/message")
Hub.current.client.flush()
(_, transaction_envelope, _) = envelopes
transaction = transaction_envelope.get_transaction_event()
assert transaction["type"] == "transaction"
assert len(transaction["contexts"]) > 0
assert (
"response" in transaction["contexts"].keys()
), "Response context not found in transaction"
assert transaction["contexts"]["response"]["status_code"] == 200
def test_response_status_code_not_found_in_transaction_context(
sentry_init, capture_envelopes, app
):
sentry_init(
integrations=[flask_sentry.FlaskIntegration()],
traces_sample_rate=1.0,
release="demo-release",
)
envelopes = capture_envelopes()
client = app.test_client()
client.get("/not-existing-route")
Hub.current.client.flush()
(transaction_envelope, _) = envelopes
transaction = transaction_envelope.get_transaction_event()
assert transaction["type"] == "transaction"
assert len(transaction["contexts"]) > 0
assert (
"response" in transaction["contexts"].keys()
), "Response context not found in transaction"
assert transaction["contexts"]["response"]["status_code"] == 404