bigquery-etl/tests/test_entrypoint.py

136 строки
4.8 KiB
Python

import os
import subprocess
from pathlib import Path
import pytest
from google.cloud import bigquery
ENTRYPOINT_SCRIPT = Path(__file__).parent.parent / "script" / "entrypoint"
class TestEntrypoint:
@pytest.mark.integration
def test_run_query(self, tmp_path, project_id):
query_file_path = tmp_path / "sql" / project_id / "query_v1"
os.makedirs(query_file_path)
query_file = query_file_path / "query.sql"
query_file.write_text("-- comment \n SELECT 1 AS a, 'abc' AS b;")
try:
result = subprocess.check_output(
[
ENTRYPOINT_SCRIPT,
"query",
"--project_id=" + project_id,
str(query_file),
],
stderr=subprocess.STDOUT,
)
assert (
b"+---+-----+\n| a | b |\n+---+-----+\n| 1 | abc |\n+---+-----+\n"
in result
)
assert b"No metadata.yaml found for {}" in result
except subprocess.CalledProcessError as e:
# running bq in CircleCI will fail since it's not installed
# but the error output can be checked for whether bq was called
assert b"No such file or directory: 'bq'" in e.output
assert b"No metadata.yaml found for {}" in e.output
assert (
b'subprocess.check_call(["bq"] + query_arguments, stdin=query_stream)'
in e.output
)
@pytest.mark.integration
def test_run_templated_query(self, tmp_path, project_id):
query_file_path = tmp_path / "sql" / project_id / "query_v1"
os.makedirs(query_file_path)
query_file = query_file_path / "query.sql"
sql = """
{% set options = ["a", "b", "c"] %}
SELECT
{% for option in options %}
"{{ option }}" AS {{ option }},
{% endfor %}
"""
query_file.write_text(sql)
try:
result = subprocess.check_output(
[
ENTRYPOINT_SCRIPT,
"query",
"--project_id=" + project_id,
str(query_file),
],
stderr=subprocess.STDOUT,
)
assert (
b"+---+---+---+\n| a | b | c |\n+---+---+---+\n| a | b | c |\n+---+---+---+"
in result
)
assert b"No metadata.yaml found for {}" in result
except subprocess.CalledProcessError as e:
# running bq in CircleCI will fail since it's not installed
# but the error output can be checked for whether bq was called
assert b"No such file or directory: 'bq'" in e.output
assert b"No metadata.yaml found for {}" in e.output
assert (
b'subprocess.check_call(["bq"] + query_arguments, stdin=query_stream)'
in e.output
)
@pytest.mark.integration
def test_run_query_write_to_table(
self, tmp_path, bigquery_client, project_id, temporary_dataset
):
query_file_path = tmp_path / "sql" / project_id / "query_v1"
os.makedirs(query_file_path)
query_file = query_file_path / "query.sql"
query_file.write_text("SELECT 'foo' AS a")
schema = [bigquery.SchemaField("a", "STRING", mode="NULLABLE")]
table = bigquery.Table(
f"{project_id}.{temporary_dataset}.query_v1", schema=schema
)
bigquery_client.create_table(table)
try:
result = subprocess.check_output(
[
ENTRYPOINT_SCRIPT,
"query",
"--dataset_id=" + temporary_dataset,
"--destination_table=query_v1",
"--project_id=" + project_id,
"--replace",
str(query_file),
],
stderr=subprocess.STDOUT,
)
assert b"Current status: DONE" in result
assert b"No metadata.yaml found for {}" in result
result = bigquery_client.query(
f"SELECT a FROM {project_id}.{temporary_dataset}.query_v1"
).result()
assert result.total_rows == 1
for row in result:
assert row.a == "foo"
except subprocess.CalledProcessError as e:
assert b"No such file or directory: 'bq'" in e.output
assert b"No metadata.yaml found for {}" in e.output
assert (
b'subprocess.check_call(["bq"] + query_arguments, stdin=query_stream)'
in e.output
)
@pytest.mark.integration
def test_run_query_no_query_file(self):
result = subprocess.check_output([ENTRYPOINT_SCRIPT, "query"])
assert b"No files matching:" in result