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test_utils.py
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test_utils.py
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations
import datetime
import json
import os
import uuid
from json import JSONEncoder
from typing import Any
from attrs import define
from openlineage.client.utils import RedactMixin
from pendulum.tz.timezone import Timezone
from pkg_resources import parse_version
from airflow.models import DAG as AIRFLOW_DAG, DagModel
from airflow.operators.empty import EmptyOperator
from airflow.providers.openlineage.utils.utils import (
InfoJsonEncodable,
OpenLineageRedactor,
_is_name_redactable,
get_connection,
to_json_encodable,
url_to_https,
)
from airflow.utils.log.secrets_masker import _secrets_masker
from airflow.utils.state import State
AIRFLOW_CONN_ID = "test_db"
AIRFLOW_CONN_URI = "postgres://localhost:5432/testdb"
SNOWFLAKE_CONN_URI = "snowflake://12345.us-east-1.snowflakecomputing.com/MyTestRole?extra__snowflake__account=12345&extra__snowflake__database=TEST_DB&extra__snowflake__insecure_mode=false&extra__snowflake__region=us-east-1&extra__snowflake__role=MyTestRole&extra__snowflake__warehouse=TEST_WH&extra__snowflake__aws_access_key_id=123456&extra__snowflake__aws_secret_access_key=abcdefg" # NOQA
class SafeStrDict(dict):
def __str__(self):
castable = []
for key, val in self.items():
try:
str(key), str(val)
castable.append((key, val))
except (TypeError, NotImplementedError):
continue
return str(dict(castable))
def test_get_connection():
os.environ["AIRFLOW_CONN_DEFAULT"] = AIRFLOW_CONN_URI
conn = get_connection("default")
assert conn.host == "localhost"
assert conn.port == 5432
assert conn.conn_type == "postgres"
assert conn
def test_url_to_https_no_url():
assert url_to_https(None) is None
assert url_to_https("") is None
def test_get_dagrun_start_end():
start_date = datetime.datetime(2022, 1, 1)
end_date = datetime.datetime(2022, 1, 1, hour=2)
dag = AIRFLOW_DAG("test", start_date=start_date, end_date=end_date, schedule_interval="@once")
AIRFLOW_DAG.bulk_write_to_db([dag])
dag_model = DagModel.get_dagmodel(dag.dag_id)
run_id = str(uuid.uuid1())
dagrun = dag.create_dagrun(
state=State.NONE, run_id=run_id, data_interval=dag.get_next_data_interval(dag_model)
)
assert dagrun.data_interval_start is not None
start_date_tz = datetime.datetime(2022, 1, 1, tzinfo=Timezone("UTC"))
end_date_tz = datetime.datetime(2022, 1, 1, hour=2, tzinfo=Timezone("UTC"))
assert dagrun.data_interval_start, dagrun.data_interval_end == (start_date_tz, end_date_tz)
def test_parse_version():
assert parse_version("2.3.0") >= parse_version("2.3.0.dev0")
assert parse_version("2.3.0.dev0") >= parse_version("2.3.0.dev0")
assert parse_version("2.3.0.beta1") >= parse_version("2.3.0.dev0")
assert parse_version("2.3.1") >= parse_version("2.3.0.dev0")
assert parse_version("2.4.0") >= parse_version("2.3.0.dev0")
assert parse_version("3.0.0") >= parse_version("2.3.0.dev0")
assert parse_version("2.2.0") < parse_version("2.3.0.dev0")
assert parse_version("2.1.3") < parse_version("2.3.0.dev0")
assert parse_version("2.2.4") < parse_version("2.3.0.dev0")
assert parse_version("1.10.15") < parse_version("2.3.0.dev0")
assert parse_version("2.2.4.dev0") < parse_version("2.3.0.dev0")
def test_to_json_encodable():
dag = AIRFLOW_DAG(
dag_id="test_dag", schedule_interval="*/2 * * * *", start_date=datetime.datetime.now(), catchup=False
)
task = EmptyOperator(task_id="test_task", dag=dag)
encodable = to_json_encodable(task)
encoded = json.dumps(encodable)
decoded = json.loads(encoded)
assert decoded == encodable
def test_safe_dict():
assert str(SafeStrDict({"a": 1})) == str({"a": 1})
class NotImplemented:
def __str__(self):
raise NotImplementedError
assert str(SafeStrDict({"a": NotImplemented()})) == str({})
def test_info_json_encodable():
class TestInfo(InfoJsonEncodable):
excludes = ["exclude_1", "exclude_2", "imastring"]
casts = {"iwanttobeint": lambda x: int(x.imastring)}
renames = {"_faulty_name": "goody_name"}
@define(slots=False)
class Test:
exclude_1: str
imastring: str
_faulty_name: str
donotcare: str
obj = Test("val", "123", "not_funny", "abc")
assert json.loads(json.dumps(TestInfo(obj))) == {
"iwanttobeint": 123,
"goody_name": "not_funny",
"donotcare": "abc",
}
def test_is_name_redactable():
class NotMixin:
def __init__(self):
self.password = "passwd"
class Mixined(RedactMixin):
_skip_redact = ["password"]
def __init__(self):
self.password = "passwd"
self.transparent = "123"
assert _is_name_redactable("password", NotMixin())
assert not _is_name_redactable("password", Mixined())
assert _is_name_redactable("transparent", Mixined())
def test_redact_with_exclusions(monkeypatch):
redactor = OpenLineageRedactor.from_masker(_secrets_masker())
class NotMixin:
def __init__(self):
self.password = "passwd"
class Proxy:
pass
def default(self, o):
if isinstance(o, NotMixin):
return o.__dict__
raise TypeError
assert redactor.redact(NotMixin()).password == "passwd"
monkeypatch.setattr(JSONEncoder, "default", default)
assert redactor.redact(NotMixin()).password == "***"
assert redactor.redact(Proxy()) == "<<non-redactable: Proxy>>"
assert redactor.redact({"a": "a", "b": Proxy()}) == {"a": "a", "b": "<<non-redactable: Proxy>>"}
class Mixined(RedactMixin):
_skip_redact = ["password"]
def __init__(self):
self.password = "passwd"
self.transparent = "123"
@define(slots=False)
class NestedMixined(RedactMixin):
_skip_redact = ["nested_field"]
password: str
nested_field: Any
assert redactor.redact(Mixined()).password == "passwd"
assert redactor.redact(Mixined()).transparent == "123"
assert redactor.redact({"password": "passwd"}) == {"password": "***"}
redacted_nested = redactor.redact(NestedMixined("passwd", NestedMixined("passwd", None)))
assert redacted_nested == NestedMixined("***", NestedMixined("passwd", None))