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airbyte/airbyte-cdk/python/unit_tests/sources/test_source.py

478 lines
19 KiB
Python

#
# Copyright (c) 2023 Airbyte, Inc., all rights reserved.
#
import json
import logging
import tempfile
from contextlib import nullcontext as does_not_raise
from typing import Any, List, Mapping, MutableMapping, Optional, Tuple, Union
import pytest
from airbyte_cdk.models import (
AirbyteGlobalState,
AirbyteStateBlob,
AirbyteStateMessage,
AirbyteStateMessageSerializer,
AirbyteStateType,
AirbyteStreamState,
ConfiguredAirbyteCatalog,
ConfiguredAirbyteCatalogSerializer,
StreamDescriptor,
SyncMode,
Type,
)
from airbyte_cdk.sources import AbstractSource, Source
from airbyte_cdk.sources.streams.core import Stream
from airbyte_cdk.sources.streams.http.http import HttpStream
from airbyte_cdk.sources.utils.transform import TransformConfig, TypeTransformer
from orjson import orjson
from serpyco_rs import SchemaValidationError
class MockSource(Source):
def read(
self, logger: logging.Logger, config: Mapping[str, Any], catalog: ConfiguredAirbyteCatalog, state: MutableMapping[str, Any] = None
):
pass
def check(self, logger: logging.Logger, config: Mapping[str, Any]):
pass
def discover(self, logger: logging.Logger, config: Mapping[str, Any]):
pass
class MockAbstractSource(AbstractSource):
def __init__(self, streams: Optional[List[Stream]] = None):
self._streams = streams
def check_connection(self, *args, **kwargs) -> Tuple[bool, Optional[Any]]:
return True, ""
def streams(self, *args, **kwargs) -> List[Stream]:
if self._streams:
return self._streams
return []
@pytest.fixture
def source():
return MockSource()
@pytest.fixture
def catalog():
configured_catalog = {
"streams": [
{
"stream": {"name": "mock_http_stream", "json_schema": {}, "supported_sync_modes": ["full_refresh"]},
"destination_sync_mode": "overwrite",
"sync_mode": "full_refresh",
},
{
"stream": {"name": "mock_stream", "json_schema": {}, "supported_sync_modes": ["full_refresh"]},
"destination_sync_mode": "overwrite",
"sync_mode": "full_refresh",
},
]
}
return ConfiguredAirbyteCatalogSerializer.load(configured_catalog)
@pytest.fixture
def abstract_source(mocker):
mocker.patch.multiple(HttpStream, __abstractmethods__=set())
mocker.patch.multiple(Stream, __abstractmethods__=set())
class MockHttpStream(mocker.MagicMock, HttpStream):
url_base = "http://example.com"
path = "/dummy/path"
get_json_schema = mocker.MagicMock()
_state = {}
@property
def cursor_field(self) -> Union[str, List[str]]:
return ["updated_at"]
def get_backoff_strategy(self):
return None
def get_error_handler(self):
return None
def __init__(self, *args, **kvargs):
mocker.MagicMock.__init__(self)
HttpStream.__init__(self, *args, kvargs)
self.read_records = mocker.MagicMock()
@property
def availability_strategy(self):
return None
@property
def state(self) -> MutableMapping[str, Any]:
return self._state
@state.setter
def state(self, value: MutableMapping[str, Any]) -> None:
self._state = value
class MockStream(mocker.MagicMock, Stream):
page_size = None
get_json_schema = mocker.MagicMock()
def __init__(self, **kwargs):
mocker.MagicMock.__init__(self)
self.read_records = mocker.MagicMock()
streams = [MockHttpStream(), MockStream()]
class MockAbstractSource(AbstractSource):
def check_connection(self):
return True, None
def streams(self, config):
self.streams_config = config
return streams
return MockAbstractSource()
@pytest.mark.parametrize(
"incoming_state, expected_state, expected_error",
[
pytest.param(
[
{
"type": "STREAM",
"stream": {
"stream_state": {"created_at": "2009-07-19"},
"stream_descriptor": {"name": "movies", "namespace": "public"},
},
}
],
[
AirbyteStateMessage(
type=AirbyteStateType.STREAM,
stream=AirbyteStreamState(
stream_descriptor=StreamDescriptor(name="movies", namespace="public"),
stream_state=AirbyteStateBlob({"created_at": "2009-07-19"}),
),
)
],
does_not_raise(),
id="test_incoming_stream_state",
),
pytest.param(
[
{
"type": "STREAM",
"stream": {
"stream_state": {"created_at": "2009-07-19"},
"stream_descriptor": {"name": "movies", "namespace": "public"},
},
},
{
"type": "STREAM",
"stream": {
"stream_state": {"id": "villeneuve_denis"},
"stream_descriptor": {"name": "directors", "namespace": "public"},
},
},
{
"type": "STREAM",
"stream": {
"stream_state": {"created_at": "1995-12-27"},
"stream_descriptor": {"name": "actors", "namespace": "public"},
},
},
],
[
AirbyteStateMessage(
type=AirbyteStateType.STREAM,
stream=AirbyteStreamState(
stream_descriptor=StreamDescriptor(name="movies", namespace="public"),
stream_state=AirbyteStateBlob({"created_at": "2009-07-19"}),
),
),
AirbyteStateMessage(
type=AirbyteStateType.STREAM,
stream=AirbyteStreamState(
stream_descriptor=StreamDescriptor(name="directors", namespace="public"),
stream_state=AirbyteStateBlob({"id": "villeneuve_denis"}),
),
),
AirbyteStateMessage(
type=AirbyteStateType.STREAM,
stream=AirbyteStreamState(
stream_descriptor=StreamDescriptor(name="actors", namespace="public"),
stream_state=AirbyteStateBlob({"created_at": "1995-12-27"}),
),
),
],
does_not_raise(),
id="test_incoming_multiple_stream_states",
),
pytest.param(
[
{
"type": "GLOBAL",
"global": {
"shared_state": {"shared_key": "shared_val"},
"stream_states": [
{"stream_state": {"created_at": "2009-07-19"}, "stream_descriptor": {"name": "movies", "namespace": "public"}}
],
},
}
],
[
AirbyteStateMessage(
type=AirbyteStateType.GLOBAL,
global_=AirbyteGlobalState(
shared_state=AirbyteStateBlob({"shared_key": "shared_val"}),
stream_states=[
AirbyteStreamState(
stream_descriptor=StreamDescriptor(name="movies", namespace="public"),
stream_state=AirbyteStateBlob({"created_at": "2009-07-19"}),
)
],
),
),
],
does_not_raise(),
id="test_incoming_global_state",
),
pytest.param([], [], does_not_raise(), id="test_empty_incoming_stream_state"),
pytest.param(None, [], does_not_raise(), id="test_none_incoming_state"),
pytest.param(
[
{
"type": "NOT_REAL",
"stream": {
"stream_state": {"created_at": "2009-07-19"},
"stream_descriptor": {"name": "movies", "namespace": "public"},
},
}
],
None,
pytest.raises(SchemaValidationError),
id="test_invalid_stream_state_invalid_type",
),
pytest.param(
[{"type": "STREAM", "stream": {"stream_state": {"created_at": "2009-07-19"}}}],
None,
pytest.raises(SchemaValidationError),
id="test_invalid_stream_state_missing_descriptor",
),
pytest.param(
[{"type": "GLOBAL", "global": {"shared_state": {"shared_key": "shared_val"}}}],
None,
pytest.raises(SchemaValidationError),
id="test_invalid_global_state_missing_streams",
),
pytest.param(
[
{
"type": "GLOBAL",
"global": {
"shared_state": {"shared_key": "shared_val"},
"stream_states": {
"stream_state": {"created_at": "2009-07-19"},
"stream_descriptor": {"name": "movies", "namespace": "public"},
},
},
}
],
None,
pytest.raises(SchemaValidationError),
id="test_invalid_global_state_streams_not_list",
),
],
)
def test_read_state(source, incoming_state, expected_state, expected_error):
with tempfile.NamedTemporaryFile("w") as state_file:
state_file.write(json.dumps(incoming_state))
state_file.flush()
with expected_error:
actual = source.read_state(state_file.name)
if expected_state and actual:
assert AirbyteStateMessageSerializer.dump(actual[0]) == AirbyteStateMessageSerializer.dump(expected_state[0])
def test_read_invalid_state(source):
with tempfile.NamedTemporaryFile("w") as state_file:
state_file.write("invalid json content")
state_file.flush()
with pytest.raises(ValueError, match="Could not read json file"):
source.read_state(state_file.name)
@pytest.mark.parametrize(
"source, expected_state",
[
pytest.param(MockAbstractSource(), [], id="test_source_not_implementing_read_returns_per_stream_format"),
],
)
def test_read_state_nonexistent(source, expected_state):
assert source.read_state("") == expected_state
def test_read_catalog(source):
configured_catalog = {
"streams": [
{
"stream": {
"name": "mystream",
"json_schema": {"type": "object", "properties": {"k": "v"}},
"supported_sync_modes": ["full_refresh"],
},
"destination_sync_mode": "overwrite",
"sync_mode": "full_refresh",
}
]
}
expected = ConfiguredAirbyteCatalogSerializer.load(configured_catalog)
with tempfile.NamedTemporaryFile("w") as catalog_file:
catalog_file.write(orjson.dumps(ConfiguredAirbyteCatalogSerializer.dump(expected)).decode())
catalog_file.flush()
actual = source.read_catalog(catalog_file.name)
assert actual == expected
def test_internal_config(abstract_source, catalog):
streams = abstract_source.streams(None)
assert len(streams) == 2
http_stream, non_http_stream = streams
assert isinstance(http_stream, HttpStream)
assert not isinstance(non_http_stream, HttpStream)
http_stream.read_records.return_value = [{}] * 3
non_http_stream.read_records.return_value = [{}] * 3
# Test with empty config
logger = logging.getLogger(f"airbyte.{getattr(abstract_source, 'name', '')}")
records = [r for r in abstract_source.read(logger=logger, config={}, catalog=catalog, state={})]
# 3 for http stream, 3 for non http stream, 1 for state message for each stream (2x) and 3 for stream status messages for each stream (2x)
assert len(records) == 3 + 3 + 1 + 1 + 3 + 3
assert http_stream.read_records.called
assert non_http_stream.read_records.called
# Make sure page_size havent been set
assert not http_stream.page_size
assert not non_http_stream.page_size
# Test with records limit set to 1
internal_config = {"some_config": 100, "_limit": 1}
records = [r for r in abstract_source.read(logger=logger, config=internal_config, catalog=catalog, state={})]
# 1 from http stream + 1 from non http stream, 1 for state message for each stream (2x) and 3 for stream status messages for each stream (2x)
assert len(records) == 1 + 1 + 1 + 1 + 3 + 3
assert "_limit" not in abstract_source.streams_config
assert "some_config" in abstract_source.streams_config
# Test with records limit set to number that exceeds expceted records
internal_config = {"some_config": 100, "_limit": 20}
records = [r for r in abstract_source.read(logger=logger, config=internal_config, catalog=catalog, state={})]
assert len(records) == 3 + 3 + 1 + 1 + 3 + 3
# Check if page_size paramter is set to http instance only
internal_config = {"some_config": 100, "_page_size": 2}
records = [r for r in abstract_source.read(logger=logger, config=internal_config, catalog=catalog, state={})]
assert "_page_size" not in abstract_source.streams_config
assert "some_config" in abstract_source.streams_config
assert len(records) == 3 + 3 + 1 + 1 + 3 + 3
assert http_stream.page_size == 2
# Make sure page_size havent been set for non http streams
assert not non_http_stream.page_size
def test_internal_config_limit(mocker, abstract_source, catalog):
logger_mock = mocker.MagicMock()
logger_mock.level = logging.DEBUG
del catalog.streams[1]
STREAM_LIMIT = 2
SLICE_DEBUG_LOG_COUNT = 1
FULL_RECORDS_NUMBER = 3
TRACE_STATUS_COUNT = 3
STATE_COUNT = 1
streams = abstract_source.streams(None)
http_stream = streams[0]
http_stream.read_records.return_value = [{}] * FULL_RECORDS_NUMBER
internal_config = {"some_config": 100, "_limit": STREAM_LIMIT}
catalog.streams[0].sync_mode = SyncMode.full_refresh
records = [r for r in abstract_source.read(logger=logger_mock, config=internal_config, catalog=catalog, state={})]
assert len(records) == STREAM_LIMIT + SLICE_DEBUG_LOG_COUNT + TRACE_STATUS_COUNT + STATE_COUNT
logger_info_args = [call[0][0] for call in logger_mock.info.call_args_list]
# Check if log line matches number of limit
read_log_record = [_l for _l in logger_info_args if _l.startswith("Read")]
assert read_log_record[0].startswith(f"Read {STREAM_LIMIT} ")
# No limit, check if state record produced for incremental stream
catalog.streams[0].sync_mode = SyncMode.incremental
records = [r for r in abstract_source.read(logger=logger_mock, config={}, catalog=catalog, state={})]
assert len(records) == FULL_RECORDS_NUMBER + SLICE_DEBUG_LOG_COUNT + TRACE_STATUS_COUNT + 1
assert records[-2].type == Type.STATE
assert records[-1].type == Type.TRACE
# Set limit and check if state is produced when limit is set for incremental stream
logger_mock.reset_mock()
records = [r for r in abstract_source.read(logger=logger_mock, config=internal_config, catalog=catalog, state={})]
assert len(records) == STREAM_LIMIT + SLICE_DEBUG_LOG_COUNT + TRACE_STATUS_COUNT + 1
assert records[-2].type == Type.STATE
assert records[-1].type == Type.TRACE
logger_info_args = [call[0][0] for call in logger_mock.info.call_args_list]
read_log_record = [_l for _l in logger_info_args if _l.startswith("Read")]
assert read_log_record[0].startswith(f"Read {STREAM_LIMIT} ")
SCHEMA = {"type": "object", "properties": {"value": {"type": "string"}}}
def test_source_config_no_transform(mocker, abstract_source, catalog):
SLICE_DEBUG_LOG_COUNT = 1
TRACE_STATUS_COUNT = 3
STATE_COUNT = 1
# Read operation has an extra get_json_schema call when filtering invalid fields
GET_JSON_SCHEMA_COUNT_WHEN_FILTERING = 1
logger_mock = mocker.MagicMock()
logger_mock.level = logging.DEBUG
streams = abstract_source.streams(None)
http_stream, non_http_stream = streams
http_stream.get_json_schema.return_value = non_http_stream.get_json_schema.return_value = SCHEMA
http_stream.read_records.return_value, non_http_stream.read_records.return_value = [[{"value": 23}] * 5] * 2
records = [r for r in abstract_source.read(logger=logger_mock, config={}, catalog=catalog, state={})]
assert len(records) == 2 * (5 + SLICE_DEBUG_LOG_COUNT + TRACE_STATUS_COUNT + STATE_COUNT)
assert [r.record.data for r in records if r.type == Type.RECORD] == [{"value": 23}] * 2 * 5
assert http_stream.get_json_schema.call_count == 5 + GET_JSON_SCHEMA_COUNT_WHEN_FILTERING
assert non_http_stream.get_json_schema.call_count == 5 + GET_JSON_SCHEMA_COUNT_WHEN_FILTERING
def test_source_config_transform(mocker, abstract_source, catalog):
logger_mock = mocker.MagicMock()
logger_mock.level = logging.DEBUG
SLICE_DEBUG_LOG_COUNT = 2
TRACE_STATUS_COUNT = 6
STATE_COUNT = 2
streams = abstract_source.streams(None)
http_stream, non_http_stream = streams
http_stream.transformer = TypeTransformer(TransformConfig.DefaultSchemaNormalization)
non_http_stream.transformer = TypeTransformer(TransformConfig.DefaultSchemaNormalization)
http_stream.get_json_schema.return_value = non_http_stream.get_json_schema.return_value = SCHEMA
http_stream.read_records.return_value, non_http_stream.read_records.return_value = [{"value": 23}], [{"value": 23}]
records = [r for r in abstract_source.read(logger=logger_mock, config={}, catalog=catalog, state={})]
assert len(records) == 2 + SLICE_DEBUG_LOG_COUNT + TRACE_STATUS_COUNT + STATE_COUNT
assert [r.record.data for r in records if r.type == Type.RECORD] == [{"value": "23"}] * 2
def test_source_config_transform_and_no_transform(mocker, abstract_source, catalog):
logger_mock = mocker.MagicMock()
logger_mock.level = logging.DEBUG
SLICE_DEBUG_LOG_COUNT = 2
TRACE_STATUS_COUNT = 6
STATE_COUNT = 2
streams = abstract_source.streams(None)
http_stream, non_http_stream = streams
http_stream.transformer = TypeTransformer(TransformConfig.DefaultSchemaNormalization)
http_stream.get_json_schema.return_value = non_http_stream.get_json_schema.return_value = SCHEMA
http_stream.read_records.return_value, non_http_stream.read_records.return_value = [{"value": 23}], [{"value": 23}]
records = [r for r in abstract_source.read(logger=logger_mock, config={}, catalog=catalog, state={})]
assert len(records) == 2 + SLICE_DEBUG_LOG_COUNT + TRACE_STATUS_COUNT + STATE_COUNT
assert [r.record.data for r in records if r.type == Type.RECORD] == [{"value": "23"}, {"value": 23}]