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1# Copyright 2018 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5"""Tast-specific logics of TKO parser."""
6
7import json
8import os
9
10import common
11
12from autotest_lib.client.common_lib import utils
13
14# Name of the Autotest test case that runs Tast tests.
15_TAST_AUTOTEST_NAME = 'tast'
16
17# Prefix added to Tast test names when writing their results to TKO.
18# This should match with _TEST_NAME_PREFIX in server/site_tests/tast/tast.py.
19_TAST_TEST_NAME_PREFIX = 'tast.'
20
21
22def is_tast_test(test_name):
23    """Checks if a test is a Tast test."""
24    return test_name.startswith(_TAST_TEST_NAME_PREFIX)
25
26
27def load_tast_test_aux_results(job, test_name):
28    """Loads auxiliary results of a Tast test.
29
30    @param job: A job object.
31    @param test_name: The name of the test.
32    @return (attributes, perf_values) where
33        attributes: A str-to-str dict of attribute keyvals
34        perf_values: A dict loaded from a chromeperf JSON
35    """
36    assert is_tast_test(test_name)
37
38    test_dir = os.path.join(job.dir, _TAST_AUTOTEST_NAME)
39
40    case_name = test_name[len(_TAST_TEST_NAME_PREFIX):]
41    case_dir = os.path.join(test_dir, 'results', 'tests', case_name)
42
43    # Load attribute keyvals.
44    attributes_path = os.path.join(test_dir, 'keyval')
45    if os.path.exists(attributes_path):
46        attributes = utils.read_keyval(attributes_path)
47    else:
48        attributes = {}
49
50    # Load a chromeperf JSON.
51    perf_values_path = os.path.join(case_dir, 'results-chart.json')
52    if os.path.exists(perf_values_path):
53        with open(perf_values_path) as fp:
54            perf_values = json.load(fp)
55    else:
56        perf_values = {}
57
58    return attributes, perf_values
59