import pytest import difflib import os import random import string import subprocess import sys def run_client(bin_prefix, port, query, reference, replace_map={}): client = subprocess.Popen([bin_prefix + '-client', '--port', str(port), '-m', '-n', '--testmode'], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) result, error = client.communicate(query) assert client.returncode is not None, "Client should exit after processing all queries" for old, new in replace_map.iteritems(): result = result.replace(old, new) if client.returncode != 0: print >> sys.stderr, error pytest.fail('Client died unexpectedly with code {code}'.format(code=client.returncode), pytrace=False) elif result != reference: pytest.fail("Query output doesn't match reference:{eol}{diff}".format( eol=os.linesep, diff=os.linesep.join(l.strip() for l in difflib.unified_diff(reference.splitlines(), result.splitlines(), fromfile='expected', tofile='actual'))), pytrace=False) def random_str(length=10): alphabet = string.ascii_lowercase + string.digits return ''.join(random.choice(alphabet) for _ in range(length)) @pytest.mark.timeout(timeout=10, method='signal') def test_query(bin_prefix, sql_query, standalone_server): tcp_port = standalone_server.tcp_port query_path = sql_query + ".sql" reference_path = sql_query + ".reference" if not os.path.exists(reference_path): pytest.skip('No .reference file found') with open(query_path, 'r') as file: query = file.read() with open(reference_path, 'r') as file: reference = file.read() random_name = 'test_{random}'.format(random=random_str()) query = 'CREATE DATABASE {random}; USE {random}; {query}'.format(random=random_name, query=query) run_client(bin_prefix, tcp_port, query, reference, {random_name: 'default'}) query = "SELECT 'SHOW ORPHANED TABLES'; SELECT name FROM system.tables WHERE database != 'system' ORDER BY (database, name);" run_client(bin_prefix, tcp_port, query, 'SHOW ORPHANED TABLES\n') run_client(bin_prefix, tcp_port, 'DROP DATABASE {random};'.format(random=random_name), '') query = "SELECT 'SHOW ORPHANED DATABASES'; SHOW DATABASES;" run_client(bin_prefix, tcp_port, query, 'SHOW ORPHANED DATABASES\n_temporary_and_external_tables\ndefault\nsystem\n')