def test_appconfig_force_update_new(appconfig_stub, mocker):
client, stub, _ = appconfig_stub
_add_start_stub(stub)
stub.add_response(
"get_latest_configuration",
_build_response("hello", "text/plain"),
_build_request(),
)
stub.add_response(
"get_latest_configuration",
_build_response("world", "text/plain", next_token="token9012"),
_build_request(next_token="token5678"),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env", "AppConfig-Profile",
15)
result = a.update_config()
assert result
assert a.config == "hello"
assert a.raw_config == b"hello"
assert a.content_type == "text/plain"
assert a._next_config_token == "token5678"
assert a._poll_interval == 30
result = a.update_config(force_update=True)
assert result
assert a.config == "world"
assert a.raw_config == b"world"
assert a.content_type == "text/plain"
assert a._next_config_token == "token9012"
assert a._poll_interval == 30
def test_appconfig_force_update_same(appconfig_stub, mocker):
client, stub, _ = appconfig_stub
stub.add_response(
"get_configuration",
_build_response("hello", "1", "text/plain"),
_build_request(),
)
stub.add_response(
"get_configuration",
_build_response("", "1", "text/plain"),
_build_request(version="1"),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env", "AppConfig-Profile",
15)
result = a.update_config()
assert result
assert a.config == "hello"
assert a.config_version == "1"
assert a.raw_config == b"hello"
assert a.content_type == "text/plain"
result = a.update_config(force_update=True)
assert not result
assert a.config == "hello"
assert a.config_version == "1"
assert a.raw_config == b"hello"
assert a.content_type == "text/plain"
def test_appconfig_fetch_no_change(appconfig_stub, mocker):
with freeze_time("2020-08-01 12:00:00") as frozen_time:
tick_amount = datetime.timedelta(seconds=10)
client, stub, _ = appconfig_stub
_add_start_stub(stub)
stub.add_response(
"get_latest_configuration",
_build_response("hello", "text/plain", poll=15),
_build_request(),
)
stub.add_response(
"get_latest_configuration",
_build_response("", "text/plain", poll=15, next_token="token1234"),
_build_request(next_token="token5678"),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env",
"AppConfig-Profile", 15)
result = a.update_config()
update_time = time.time()
assert result
assert a.config == "hello"
assert a._last_update_time == update_time
frozen_time.tick(tick_amount)
frozen_time.tick(tick_amount)
result = a.update_config()
assert not result
assert a.config == "hello"
assert a._next_config_token == "token1234"
assert a._last_update_time == time.time()
def test_appconfig_fetch_interval(appconfig_stub, mocker):
client, stub, _ = appconfig_stub
stub.add_response(
"get_configuration",
_build_response("hello", "1", "text/plain"),
_build_request(),
)
stub.add_response(
"get_configuration",
_build_response("world", "2", "text/plain"),
_build_request(version="1"),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env", "AppConfig-Profile",
15)
result = a.update_config()
assert result
assert a.config == "hello"
assert a.config_version == "1"
result = a.update_config()
assert not result
assert a.config == "hello"
assert a.config_version == "1"
result = a.update_config()
assert result
assert a.config == "world"
assert a.config_version == "2"
def test_bad_request(appconfig_stub_ignore_pending, mocker):
client, stub, session = appconfig_stub_ignore_pending
content_text = "hello world"
_add_start_stub(stub, "", "", "")
stub.add_response(
"get_latest_configuration",
_build_response(content_text, "image/jpeg"),
_build_request(),
)
mocker.patch.object(boto3, "client", return_value=client)
with pytest.raises(botocore.exceptions.ParamValidationError):
a = AppConfigHelper("", "", "", 15)
a.update_config()
def test_appconfig_json(appconfig_stub, mocker):
client, stub, _ = appconfig_stub
_add_start_stub(stub)
stub.add_response(
"get_latest_configuration",
_build_response({"hello": "world"}, "application/json"),
_build_request(),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env", "AppConfig-Profile",
15)
a.update_config()
assert a.config == {"hello": "world"}
assert a.content_type == "application/json"
def test_appconfig_fetch_on_init(appconfig_stub, mocker):
client, stub, _ = appconfig_stub
_add_start_stub(stub)
stub.add_response(
"get_latest_configuration",
_build_response("hello", "text/plain"),
_build_request(),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App",
"AppConfig-Env",
"AppConfig-Profile",
15,
fetch_on_init=True)
assert a.config == "hello"
def test_appconfig_init(appconfig_stub, mocker):
client, stub, _ = appconfig_stub
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env", "AppConfig-Profile",
15)
assert isinstance(a, AppConfigHelper)
assert a.appconfig_application == "AppConfig-App"
assert a.appconfig_environment == "AppConfig-Env"
assert a.appconfig_profile == "AppConfig-Profile"
assert a.config is None
assert a.config_version == "null"
assert a._last_update_time == 0.0
assert a.raw_config is None
assert a.content_type is None
def test_appconfig_session(appconfig_stub, mocker):
client, stub, session = appconfig_stub
stub.add_response(
"get_configuration",
_build_response({"hello": "world"}, "1", "application/json"),
_build_request(),
)
mocker.patch.object(boto3, "client", return_value=client)
mocker.patch.object(boto3.Session, "client", return_value=client)
a = AppConfigHelper("AppConfig-App",
"AppConfig-Env",
"AppConfig-Profile",
15,
session=session)
a.update_config()
def test_unknown_content_type(appconfig_stub, mocker):
client, stub, session = appconfig_stub
content_text = "hello world"
_add_start_stub(stub)
stub.add_response(
"get_latest_configuration",
_build_response(content_text, "image/jpeg"),
_build_request(),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env", "AppConfig-Profile",
15)
a.update_config()
assert a.config == b"hello world"
assert a.content_type == "image/jpeg"
assert a.raw_config == content_text.encode("utf-8")
def test_bad_json(appconfig_stub, mocker):
client, stub, session = appconfig_stub
content_text = """{"broken": "json",}""".encode("utf-8")
_add_start_stub(stub)
broken_response = _build_response({}, "application/json")
broken_response["Configuration"] = StreamingBody(
io.BytesIO(bytes(content_text)), len(content_text))
stub.add_response(
"get_latest_configuration",
broken_response,
_build_request(),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env", "AppConfig-Profile",
15)
with pytest.raises(ValueError):
a.update_config()
def test_bad_request(appconfig_stub_ignore_pendng, mocker):
client, stub, session = appconfig_stub_ignore_pendng
content_text = """hello world""".encode("utf-8")
stub.add_response(
"get_configuration",
{
"Content":
StreamingBody(io.BytesIO(bytes(content_text)), len(content_text)),
"ConfigurationVersion":
"1",
"ContentType":
"image/jpeg",
},
_build_request("", "", ""),
)
mocker.patch.object(boto3, "client", return_value=client)
with pytest.raises(botocore.exceptions.ParamValidationError):
a = AppConfigHelper("", "", "", 15)
a.update_config()
def test_unknown_content_type(appconfig_stub, mocker):
client, stub, session = appconfig_stub
content_text = """hello world""".encode("utf-8")
stub.add_response(
"get_configuration",
{
"Content":
StreamingBody(io.BytesIO(bytes(content_text)), len(content_text)),
"ConfigurationVersion":
"1",
"ContentType":
"image/jpeg",
},
_build_request(),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env", "AppConfig-Profile",
15)
a.update_config()
assert a.config == b"hello world"
assert a.content_type == "image/jpeg"
assert a.raw_config == content_text
def test_appconfig_fetch_on_read(appconfig_stub, mocker):
client, stub, _ = appconfig_stub
_add_start_stub(stub)
stub.add_response(
"get_latest_configuration",
_build_response("hello", "text/plain", poll=15),
_build_request(),
)
stub.add_response(
"get_latest_configuration",
_build_response("world", "text/plain", next_token="token9012"),
_build_request(next_token="token5678"),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App",
"AppConfig-Env",
"AppConfig-Profile",
15,
fetch_on_read=True)
assert a.config == "hello"
assert a._next_config_token == "token5678"
assert a.config == "world"
assert a._next_config_token == "token9012"
def test_bad_yaml(appconfig_stub, mocker):
client, stub, session = appconfig_stub
content_text = """
broken:
- yaml
- content
""".encode("utf-8")
stub.add_response(
"get_configuration",
{
"Content":
StreamingBody(io.BytesIO(bytes(content_text)), len(content_text)),
"ConfigurationVersion":
"1",
"ContentType":
"application/x-yaml",
},
_build_request(),
)
mocker.patch.object(boto3, "client", return_value=client)
a = AppConfigHelper("AppConfig-App", "AppConfig-Env", "AppConfig-Profile",
15)
with pytest.raises(ValueError):
a.update_config()
def test_bad_interval(appconfig_stub, mocker):
client, stub, session = appconfig_stub
mocker.patch.object(boto3, "client", return_value=client)
with pytest.raises(ValueError):
_ = AppConfigHelper("Any", "Any", "Any", 10)
Example application for AppConfigHelper
Create the required AppConfig resources with the CloudFormation template.
Run this file with `uvicorn main:app`
"""
from fastapi import FastAPI
from appconfig_helper import AppConfigHelper
app = FastAPI()
appconfig = AppConfigHelper(
"DemoApp",
"prod",
"main",
15,
)
@app.get("/process-string/{input_string}")
def index(input_string):
if appconfig.update_config():
print("Received new configuration")
output_string = input_string
if appconfig.config.get("transform_reverse", True):
output_string = "".join(reversed(output_string))
if appconfig.config.get("transform_allcaps", False):
output_string = output_string.upper()
return {