576 lines
20 KiB
Python

import pathlib
from typing import Iterable, List, cast
from unittest.mock import MagicMock, patch
import pytest
from freezegun import freeze_time
from typing_extensions import Self
from datahub.configuration.common import DynamicTypedConfig
from datahub.ingestion.api.committable import CommitPolicy, Committable
from datahub.ingestion.api.common import RecordEnvelope
from datahub.ingestion.api.source import Source, SourceReport
from datahub.ingestion.api.transform import Transformer
from datahub.ingestion.api.workunit import MetadataWorkUnit
from datahub.ingestion.graph.client import get_default_graph
from datahub.ingestion.graph.config import ClientMode, DatahubClientConfig
from datahub.ingestion.run.pipeline import Pipeline, PipelineContext
from datahub.ingestion.sink.datahub_rest import DatahubRestSink
from datahub.metadata.com.linkedin.pegasus2avro.mxe import SystemMetadata
from datahub.metadata.schema_classes import (
DatasetPropertiesClass,
DatasetSnapshotClass,
MetadataChangeEventClass,
StatusClass,
)
from datahub.utilities.server_config_util import RestServiceConfig
from tests.test_helpers.click_helpers import run_datahub_cmd
from tests.test_helpers.sink_helpers import RecordingSinkReport
FROZEN_TIME = "2020-04-14 07:00:00"
# TODO: It seems like one of these tests writes to ~/.datahubenv or otherwise sets
# some global config, which impacts other tests.
pytestmark = pytest.mark.random_order(disabled=True)
@pytest.fixture
def mock_server_config():
# Create a mock RestServiceConfig with your desired raw_config
config = RestServiceConfig(raw_config={"noCode": True})
return config
class TestPipeline:
@pytest.fixture(autouse=True)
def clear_cache(self):
yield
get_default_graph.cache_clear()
@patch("confluent_kafka.Consumer", autospec=True)
@patch(
"datahub.ingestion.source.kafka.kafka.KafkaSource.get_workunits", autospec=True
)
@patch("datahub.ingestion.sink.console.ConsoleSink.close", autospec=True)
@freeze_time(FROZEN_TIME)
def test_configure(self, mock_sink, mock_source, mock_consumer):
pipeline = Pipeline.create(
{
"source": {
"type": "kafka",
"config": {"connection": {"bootstrap": "fake-dns-name:9092"}},
},
"sink": {"type": "console"},
}
)
pipeline.run()
pipeline.raise_from_status()
pipeline.pretty_print_summary()
mock_source.assert_called_once()
mock_sink.assert_called_once()
@freeze_time(FROZEN_TIME)
@patch("datahub.emitter.rest_emitter.DataHubRestEmitter.fetch_server_config")
@patch(
"datahub.cli.config_utils.load_client_config",
return_value=DatahubClientConfig(server="http://fake-gms-server:8080"),
)
def test_configure_without_sink(
self, mock_load_client_config, mock_fetch_config, mock_server_config
):
mock_fetch_config.return_value = mock_server_config
pipeline = Pipeline.create(
{
"source": {
"type": "file",
"config": {"path": "test_file.json"},
},
}
)
# assert that the default sink is a DatahubRestSink
assert isinstance(pipeline.sink, DatahubRestSink)
assert pipeline.sink.config.server == "http://fake-gms-server:8080"
assert pipeline.sink.config.token is None
@freeze_time(FROZEN_TIME)
@patch("datahub.emitter.rest_emitter.DataHubRestEmitter.fetch_server_config")
@patch(
"datahub.cli.config_utils.load_client_config",
return_value=DatahubClientConfig(server="http://fake-internal-server:8080"),
)
@patch(
"datahub.cli.config_utils.get_system_auth",
return_value="Basic user:pass",
)
def test_configure_without_sink_use_system_auth(
self,
mock_get_system_auth,
mock_load_client_config,
mock_fetch_config,
mock_server_config,
):
mock_fetch_config.return_value = mock_server_config
pipeline = Pipeline.create(
{
"source": {
"type": "file",
"config": {"path": "test_file.json"},
},
}
)
# assert that the default sink is a DatahubRestSink
assert isinstance(pipeline.sink, DatahubRestSink)
assert pipeline.sink.config.server == "http://fake-internal-server:8080"
assert pipeline.sink.config.token is None
assert (
pipeline.sink.emitter._session.headers["Authorization"] == "Basic user:pass"
)
@freeze_time(FROZEN_TIME)
@patch("datahub.emitter.rest_emitter.DataHubRestEmitter.fetch_server_config")
def test_configure_with_rest_sink_initializes_graph(
self, mock_fetch_config, mock_server_config
):
mock_fetch_config.return_value = mock_server_config
pipeline = Pipeline.create(
{
"source": {
"type": "file",
"config": {"path": "test_events.json"},
},
"sink": {
"type": "datahub-rest",
"config": {
"server": "http://somehost.someplace.some:8080",
"token": "foo",
},
},
},
# We don't want to make actual API calls during this test.
report_to=None,
)
# assert that the default sink config is for a DatahubRestSink
assert isinstance(pipeline.config.sink, DynamicTypedConfig)
assert pipeline.config.sink.type == "datahub-rest"
assert pipeline.config.sink.config == {
"server": "http://somehost.someplace.some:8080",
"token": "foo",
}
assert pipeline.ctx.graph is not None, "DataHubGraph should be initialized"
assert pipeline.ctx.graph.config.server == pipeline.config.sink.config["server"]
assert pipeline.ctx.graph.config.token == pipeline.config.sink.config["token"]
@freeze_time(FROZEN_TIME)
@patch("datahub.emitter.rest_emitter.DataHubRestEmitter.fetch_server_config")
def test_configure_with_rest_sink_with_additional_props_initializes_graph(
self, mock_fetch_config, mock_server_config
):
mock_fetch_config.return_value = mock_server_config
pipeline = Pipeline.create(
{
"source": {
"type": "file",
"config": {"path": "test_events.json"},
},
"sink": {
"type": "datahub-rest",
"config": {
"server": "http://somehost.someplace.some:8080",
"token": "foo",
"mode": "sync",
},
},
}
)
# assert that the default sink config is for a DatahubRestSink
assert isinstance(pipeline.config.sink, DynamicTypedConfig)
assert pipeline.config.sink.type == "datahub-rest"
assert pipeline.config.sink.config == {
"server": "http://somehost.someplace.some:8080",
"token": "foo",
"mode": "sync",
}
assert pipeline.ctx.graph is not None, "DataHubGraph should be initialized"
assert pipeline.ctx.graph.config.server == pipeline.config.sink.config["server"]
assert pipeline.ctx.graph.config.token == pipeline.config.sink.config["token"]
@freeze_time(FROZEN_TIME)
@patch(
"datahub.ingestion.source.kafka.kafka.KafkaSource.get_workunits", autospec=True
)
def test_configure_with_file_sink_does_not_init_graph(self, mock_source, tmp_path):
pipeline = Pipeline.create(
{
"source": {
"type": "kafka",
"config": {"connection": {"bootstrap": "localhost:9092"}},
},
"sink": {
"type": "file",
"config": {
"filename": str(tmp_path / "test.json"),
},
},
}
)
# assert that the default sink config is for a DatahubRestSink
assert isinstance(pipeline.config.sink, DynamicTypedConfig)
assert pipeline.config.sink.type == "file"
assert pipeline.config.sink.config == {"filename": str(tmp_path / "test.json")}
assert pipeline.ctx.graph is None, "DataHubGraph should not be initialized"
@freeze_time(FROZEN_TIME)
def test_run_including_fake_transformation(self):
pipeline = Pipeline.create(
{
"source": {"type": "tests.unit.api.test_pipeline.FakeSource"},
"transformers": [
{"type": "tests.unit.api.test_pipeline.AddStatusRemovedTransformer"}
],
"sink": {"type": "tests.test_helpers.sink_helpers.RecordingSink"},
"run_id": "pipeline_test",
}
)
pipeline.run()
pipeline.raise_from_status()
expected_mce = get_initial_mce()
dataset_snapshot = cast(DatasetSnapshotClass, expected_mce.proposedSnapshot)
dataset_snapshot.aspects.append(get_status_removed_aspect())
sink_report: RecordingSinkReport = cast(
RecordingSinkReport, pipeline.sink.get_report()
)
assert len(sink_report.received_records) == 1
assert expected_mce == sink_report.received_records[0].record
@freeze_time(FROZEN_TIME)
def test_run_including_registered_transformation(self):
# This is not testing functionality, but just the transformer registration system.
pipeline = Pipeline.create(
{
"source": {"type": "tests.unit.api.test_pipeline.FakeSource"},
"transformers": [
{
"type": "simple_add_dataset_ownership",
"config": {
"owner_urns": ["urn:li:corpuser:foo"],
"ownership_type": "urn:li:ownershipType:__system__technical_owner",
},
}
],
"sink": {"type": "tests.test_helpers.sink_helpers.RecordingSink"},
}
)
assert pipeline
@pytest.mark.parametrize(
"source,strict_warnings,exit_code",
[
pytest.param(
"FakeSource",
False,
0,
),
pytest.param(
"FakeSourceWithWarnings",
False,
0,
),
pytest.param(
"FakeSourceWithWarnings",
True,
1,
),
],
)
@freeze_time(FROZEN_TIME)
def test_pipeline_return_code(self, tmp_path, source, strict_warnings, exit_code):
config_file: pathlib.Path = tmp_path / "test.yml"
config_file.write_text(
f"""
---
run_id: pipeline_test
source:
type: tests.unit.api.test_pipeline.{source}
config: {{}}
sink:
type: console
"""
)
res = run_datahub_cmd(
[
"ingest",
"-c",
f"{config_file}",
*(("--strict-warnings",) if strict_warnings else ()),
],
tmp_path=tmp_path,
check_result=False,
)
assert res.exit_code == exit_code, res.stdout
@pytest.mark.parametrize(
"commit_policy,source,should_commit",
[
pytest.param(
CommitPolicy.ALWAYS,
"FakeSource",
True,
id="ALWAYS-no-warnings-no-errors",
),
pytest.param(
CommitPolicy.ON_NO_ERRORS,
"FakeSource",
True,
id="ON_NO_ERRORS-no-warnings-no-errors",
),
pytest.param(
CommitPolicy.ON_NO_ERRORS_AND_NO_WARNINGS,
"FakeSource",
True,
id="ON_NO_ERRORS_AND_NO_WARNINGS-no-warnings-no-errors",
),
pytest.param(
CommitPolicy.ALWAYS,
"FakeSourceWithWarnings",
True,
id="ALWAYS-with-warnings",
),
pytest.param(
CommitPolicy.ON_NO_ERRORS,
"FakeSourceWithWarnings",
True,
id="ON_NO_ERRORS-with-warnings",
),
pytest.param(
CommitPolicy.ON_NO_ERRORS_AND_NO_WARNINGS,
"FakeSourceWithWarnings",
False,
id="ON_NO_ERRORS_AND_NO_WARNINGS-with-warnings",
),
pytest.param(
CommitPolicy.ALWAYS,
"FakeSourceWithFailures",
True,
id="ALWAYS-with-errors",
),
pytest.param(
CommitPolicy.ON_NO_ERRORS,
"FakeSourceWithFailures",
False,
id="ON_NO_ERRORS-with-errors",
),
pytest.param(
CommitPolicy.ON_NO_ERRORS_AND_NO_WARNINGS,
"FakeSourceWithFailures",
False,
id="ON_NO_ERRORS_AND_NO_WARNINGS-with-errors",
),
],
)
@freeze_time(FROZEN_TIME)
def test_pipeline_process_commits(self, commit_policy, source, should_commit):
pipeline = Pipeline.create(
{
"source": {"type": f"tests.unit.api.test_pipeline.{source}"},
"sink": {"type": "console"},
"run_id": "pipeline_test",
}
)
class FakeCommittable(Committable):
def __init__(self, commit_policy: CommitPolicy):
self.name = "test_checkpointer"
self.commit_policy = commit_policy
def commit(self) -> None:
pass
fake_committable: Committable = FakeCommittable(commit_policy)
with patch.object(
FakeCommittable, "commit", wraps=fake_committable.commit
) as mock_commit:
pipeline.ctx.register_checkpointer(fake_committable)
pipeline.run()
# check that we called the commit method once only if should_commit is True
if should_commit:
mock_commit.assert_called_once()
else:
mock_commit.assert_not_called()
@freeze_time(FROZEN_TIME)
@patch("datahub.emitter.rest_emitter.DataHubRestEmitter.fetch_server_config")
def test_pipeline_graph_has_expected_client_mode_and_component(
self, mock_fetch_config, mock_server_config
):
mock_fetch_config.return_value = mock_server_config
pipeline = Pipeline.create(
{
"source": {
"type": "file",
"config": {"path": "test_events.json"},
},
"sink": {
"type": "datahub-rest",
"config": {
"server": "http://somehost.someplace.some:8080",
"token": "foo",
},
},
}
)
# Assert that the DataHubGraph is initialized with expected properties
assert pipeline.ctx.graph is not None, "DataHubGraph should be initialized"
# Check that graph has the expected client mode and datahub_component
assert pipeline.ctx.graph.config.client_mode == ClientMode.INGESTION
assert pipeline.ctx.graph.config.datahub_component is None
# Check that the graph was configured with the expected server and token
assert pipeline.ctx.graph.config.server == "http://somehost.someplace.some:8080"
assert pipeline.ctx.graph.config.token == "foo"
@freeze_time(FROZEN_TIME)
@patch("datahub.emitter.rest_emitter.DataHubRestEmitter.fetch_server_config")
@patch(
"datahub.cli.config_utils.load_client_config",
return_value=DatahubClientConfig(server="http://fake-gms-server:8080"),
)
def test_pipeline_graph_client_mode(
self, mock_load_client_config, mock_fetch_config, mock_server_config
):
"""Test that the graph created in Pipeline has the correct client_mode."""
mock_fetch_config.return_value = mock_server_config
# Mock the DataHubGraph context manager and test_connection method
mock_graph = MagicMock()
mock_graph.__enter__.return_value = mock_graph
# Create a patch that replaces the DataHubGraph constructor
with patch(
"datahub.ingestion.run.pipeline.DataHubGraph", return_value=mock_graph
) as mock_graph_class:
# Create a pipeline with datahub_api config
pipeline = Pipeline.create(
{
"source": {
"type": "file",
"config": {"path": "test_events.json"},
},
"datahub_api": {
"server": "http://datahub-gms:8080",
"token": "test_token",
},
}
)
# Verify DataHubGraph was called with the correct parameters
assert mock_graph_class.call_count == 1
# Get the arguments passed to DataHubGraph
config_arg = mock_graph_class.call_args[0][0]
# Assert the config is a DatahubClientConfig with the expected values
assert isinstance(config_arg, DatahubClientConfig)
assert config_arg.server == "http://datahub-gms:8080"
assert config_arg.token == "test_token"
assert config_arg.client_mode == ClientMode.INGESTION
assert config_arg.datahub_component is None
# Verify the graph has been stored in the pipeline context
assert pipeline.ctx.graph is mock_graph
class AddStatusRemovedTransformer(Transformer):
@classmethod
def create(cls, config_dict: dict, ctx: PipelineContext) -> "Transformer":
return cls()
def transform(
self, record_envelopes: Iterable[RecordEnvelope]
) -> Iterable[RecordEnvelope]:
for record_envelope in record_envelopes:
if isinstance(record_envelope.record, MetadataChangeEventClass):
assert isinstance(
record_envelope.record.proposedSnapshot, DatasetSnapshotClass
)
record_envelope.record.proposedSnapshot.aspects.append(
get_status_removed_aspect()
)
yield record_envelope
class FakeSource(Source):
def __init__(self, ctx: PipelineContext):
super().__init__(ctx)
self.source_report = SourceReport()
self.work_units: List[MetadataWorkUnit] = [
MetadataWorkUnit(id="workunit-1", mce=get_initial_mce())
]
@classmethod
def create(cls, config_dict: dict, ctx: PipelineContext) -> Self:
assert not config_dict
return cls(ctx)
def get_workunits(self) -> Iterable[MetadataWorkUnit]:
return self.work_units
def get_report(self) -> SourceReport:
return self.source_report
def close(self):
pass
class FakeSourceWithWarnings(FakeSource):
def __init__(self, ctx: PipelineContext):
super().__init__(ctx)
self.source_report.report_warning("test_warning", "warning_text")
def get_report(self) -> SourceReport:
return self.source_report
class FakeSourceWithFailures(FakeSource):
def __init__(self, ctx: PipelineContext):
super().__init__(ctx)
self.source_report.report_failure("test_failure", "failure_text")
def get_report(self) -> SourceReport:
return self.source_report
def get_initial_mce() -> MetadataChangeEventClass:
return MetadataChangeEventClass(
proposedSnapshot=DatasetSnapshotClass(
urn="urn:li:dataset:(urn:li:dataPlatform:test_platform,test,PROD)",
aspects=[
DatasetPropertiesClass(
description="test.description",
)
],
),
systemMetadata=SystemMetadata(
lastObserved=1586847600000, runId="pipeline_test"
),
)
def get_status_removed_aspect() -> StatusClass:
return StatusClass(removed=False)