- Зачем: - нужен основной ручной интерфейс стенда для backfill/import/check без консольной матрицы переменных. - Что: - добавлен DAG generator_control с параметрами Airflow, ветвлением операций и ожиданием ETL. - вынесена общая логика запуска и предпроверок генератора для Airflow. - обновлены compose-настройки, зависимости, тесты и документация по пульту. - Проверка: - uv run --with pytest --with-requirements generator/requirements.txt pytest generator/tests -q. - docker compose config --quiet.
150 lines
4.9 KiB
Python
150 lines
4.9 KiB
Python
"""
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Тесты чистой логики пульта Airflow для генератора.
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"""
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from dataclasses import replace
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from datetime import datetime, timezone
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from pathlib import Path
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import pytest
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def test_build_control_env_uses_profile_duration_and_airflow_data_dir():
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"""Пульт строит env для backfill из профиля и каталога Airflow."""
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from clickstream_generator.airflow_control import build_control_env
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env = build_control_env(
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"backfill",
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profile_name="ci",
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duration="",
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artifact_path="/opt/airflow/data/startup-history.json",
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overrides={"GEN_LAMBDA_BASE_PER_MIN": "120", "GEN_SEED": "99"},
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)
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assert env["GEN_RUN_MODE"] == "backfill"
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assert env["GEN_HISTORY_DURATION"] == "6h"
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assert env["GEN_MODEL_T_END"] == "2026-01-01T06:00:00+00:00"
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assert env["GEN_DATA_DIR"] == "/opt/airflow/data"
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assert env["GEN_METRICS_ENABLED"] == "false"
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assert env["GEN_STARTUP_HISTORY_ARTIFACT"] == "/opt/airflow/data/startup-history.json"
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assert env["GEN_LAMBDA_BASE_PER_MIN"] == "120"
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assert env["GEN_SEED"] == "99"
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def test_import_env_requires_artifact_path_and_uses_backfill_contract():
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"""Import валидируется как тот же мир, что backfill."""
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from clickstream_generator.airflow_control import build_control_env
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with pytest.raises(ValueError, match="artifact_path"):
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build_control_env("import", profile_name="ci", artifact_path="")
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env = build_control_env(
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"import",
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profile_name="daily-wave",
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artifact_path="/opt/airflow/data/history.json",
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)
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assert env["GEN_RUN_MODE"] == "backfill"
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assert env["GEN_STATE_RESET"] == "true"
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assert env["GEN_HISTORY_DURATION"] == "2d"
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def test_assert_stand_clean_rejects_non_empty_stg_before_writes():
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"""Backfill/import не стартуют на непустом STG."""
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from clickstream_generator.airflow_control import assert_stg_tables_empty
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class Hook:
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def execute(self, sql):
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self.sql = sql
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return [(0, 2, 0, 0)]
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hook = Hook()
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with pytest.raises(RuntimeError, match="make clean"):
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assert_stg_tables_empty(hook)
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assert "stg.browser_raw" in hook.sql
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assert "stg.location_raw" in hook.sql
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def test_assert_stand_clean_rejects_non_empty_kafka_with_make_clean_hint(monkeypatch):
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"""Непустые Kafka-топики дают ту же подсказку про make clean."""
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from clickstream_generator import airflow_control
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class Inspector:
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def __init__(self, bootstrap_servers):
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self.bootstrap_servers = bootstrap_servers
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def assert_data_topics_empty(self):
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raise RuntimeError("Kafka data topics are not empty: browser_events")
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class Hook:
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def execute(self, sql):
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return [(0, 0, 0, 0)]
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monkeypatch.setattr(airflow_control, "KafkaTopicInspector", Inspector)
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with pytest.raises(RuntimeError, match="make clean"):
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airflow_control.assert_stand_clean("kafka:29092", Hook())
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def test_check_manifest_compares_clickhouse_stats(base_config):
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"""Check падает, когда контрольные числа ClickHouse расходятся с manifest."""
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from clickstream_generator.airflow_control import assert_clickhouse_matches_manifest
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from clickstream_generator.startup_history_artifact import (
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StartupHistoryArtifactBuilder,
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build_manifest,
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)
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from test_startup_history_artifact import _batch, _state
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state = _state()
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builder = StartupHistoryArtifactBuilder()
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builder.add_batch(_batch())
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manifest = build_manifest(
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config=replace(
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base_config,
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model_t0=state.model_t0,
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model_t_end=state.model_timestamp,
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model_time_speed=1,
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model_timezone="UTC",
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seed=42,
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),
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counters=builder.counters,
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state=state,
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)
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class Hook:
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def execute(self, sql):
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self.sql = sql
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return [(
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0,
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1,
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1,
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"2026-01-01 00:00:00.000000",
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"2026-01-01 00:00:00.000000",
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)]
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with pytest.raises(RuntimeError, match="events"):
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assert_clickhouse_matches_manifest(manifest, Hook())
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def test_generator_metrics_server_can_be_disabled(base_config, monkeypatch):
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"""Airflow-задача может запускать генератор без HTTP-сервера метрик."""
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from clickstream_generator.service import GeneratorService
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config = replace(base_config, enabled=False, metrics_enabled=False)
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service = GeneratorService(config)
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called = False
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def start_http_server(_port):
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nonlocal called
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called = True
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monkeypatch.setattr(
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"clickstream_generator.service.start_http_server",
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start_http_server,
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)
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service.start()
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assert called is False
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