1#!/usr/bin/env python3 2# Copyright (C) 2020 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 at 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 16import os 17import unittest 18 19from trace_processor.api import TraceProcessor 20 21 22class TestApi(unittest.TestCase): 23 24 def test_trace_file(self): 25 # Get path to trace_processor_shell and construct TraceProcessor 26 tp = TraceProcessor( 27 file_path=os.path.join(os.environ["ROOT_DIR"], 'test', 'data', 28 'example_android_trace_30s.pb'), 29 bin_path=os.environ["SHELL_PATH"]) 30 qr_iterator = tp.query('select * from slice limit 10') 31 dur_result = [ 32 178646, 119740, 58073, 155000, 173177, 20209377, 3589167, 90104, 275312, 33 65313 34 ] 35 36 for num, row in enumerate(qr_iterator): 37 self.assertEqual(row.type, 'internal_slice') 38 self.assertEqual(row.dur, dur_result[num]) 39 40 # Test the batching logic by issuing a large query and ensuring we receive 41 # all rows, not just a truncated subset. 42 qr_iterator = tp.query('select count(*) as cnt from slice') 43 expected_count = next(qr_iterator).cnt 44 self.assertGreater(expected_count, 0) 45 46 qr_iterator = tp.query('select * from slice') 47 count = sum(1 for _ in qr_iterator) 48 self.assertEqual(count, expected_count) 49 50 tp.close() 51