1#!/usr/bin/env python3 2# Copyright (C) 2023 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License a 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16from python.generators.diff_tests.testing import Path, DataPath, Metric 17from python.generators.diff_tests.testing import Csv, Json, TextProto 18from python.generators.diff_tests.testing import DiffTestBlueprint 19from python.generators.diff_tests.testing import TestSuite 20 21 22# Smoke tests for the entire stdlib. These tests load a trace and then import the entire stdlib to check that it's well-formed. 23class StdlibSmoke(TestSuite): 24 25 def test_empty_file(self): 26 return DiffTestBlueprint( 27 trace=TextProto(''), 28 query=""" 29 INCLUDE PERFETTO MODULE *; 30 31 SELECT 1 as result; 32 """, 33 out=Csv(""" 34 "result" 35 1 36 """))