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1#!/usr/bin/env python
2# Copyright 2021 The ANGLE Project Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5"""Script to generate the test spec JSON files. Calls Chromium's generate_buildbot_json.
6
7=== NOTE: DO NOT RUN THIS SCRIPT DIRECTLY. ===
8Run scripts/run_code_generation.py instead to update necessary hashes.
9
10"""
11
12import os
13import pprint
14import sys
15import subprocess
16
17d = os.path.dirname
18THIS_DIR = d(os.path.abspath(__file__))
19TESTING_BBOT_DIR = os.path.join(d(d(THIS_DIR)), 'testing', 'buildbot')
20sys.path.insert(0, TESTING_BBOT_DIR)
21
22import generate_buildbot_json
23
24# Add custom mixins here.
25ADDITIONAL_MIXINS = {
26    'angle_skia_gold_test': {
27        '$mixin_append': {
28            'args': [
29                '--git-revision=${got_angle_revision}',
30                # BREAK GLASS IN CASE OF EMERGENCY
31                # Uncommenting this argument will bypass all interactions with Skia
32                # Gold in any tests that use it. This is meant as a temporary
33                # emergency stop in case of a Gold outage that's affecting the bots.
34                # '--bypass-skia-gold-functionality',
35            ],
36            'precommit_args': [
37                '--gerrit-issue=${patch_issue}',
38                '--gerrit-patchset=${patch_set}',
39                '--buildbucket-id=${buildbucket_build_id}',
40            ],
41        }
42    },
43}
44MIXIN_FILE_NAME = os.path.join(THIS_DIR, 'mixins.pyl')
45MIXINS_PYL_TEMPLATE = """\
46# GENERATED FILE - DO NOT EDIT.
47# Generated by {script_name} using data from {data_source}
48#
49# Copyright 2021 The ANGLE Project Authors. All rights reserved.
50# Use of this source code is governed by a BSD-style license that can be
51# found in the LICENSE file.
52#
53# This is a .pyl, or "Python Literal", file. You can treat it just like a
54# .json file, with the following exceptions:
55# * all keys must be quoted (use single quotes, please);
56# * comments are allowed, using '#' syntax; and
57# * trailing commas are allowed.
58#
59# For more info see Chromium's mixins.pyl in testing/buildbot.
60
61{mixin_data}
62"""
63
64
65def main():
66    if len(sys.argv) > 1:
67        gen_bb_json = os.path.join(TESTING_BBOT_DIR, 'generate_buildbot_json.py')
68        mixins_pyl = os.path.join(TESTING_BBOT_DIR, 'mixins.pyl')
69        inputs = [
70            'test_suite_exceptions.pyl', 'test_suites.pyl', 'variants.pyl', 'waterfalls.pyl',
71            gen_bb_json, mixins_pyl
72        ]
73        outputs = ['angle.json', 'mixins.pyl']
74        if sys.argv[1] == 'inputs':
75            print(','.join(inputs))
76        elif sys.argv[1] == 'outputs':
77            print(','.join(outputs))
78        else:
79            print('Invalid script parameters')
80            return 1
81        return 0
82
83    chromium_args = generate_buildbot_json.BBJSONGenerator.parse_args(sys.argv[1:])
84    chromium_generator = generate_buildbot_json.BBJSONGenerator(chromium_args)
85    chromium_generator.load_configuration_files()
86
87    override_args = sys.argv[1:] + ['--pyl-files-dir', THIS_DIR]
88    angle_args = generate_buildbot_json.BBJSONGenerator.parse_args(override_args)
89    angle_generator = generate_buildbot_json.BBJSONGenerator(angle_args)
90    angle_generator.load_configuration_files()
91    angle_generator.resolve_configuration_files()
92
93    seen_mixins = set()
94    for waterfall in angle_generator.waterfalls:
95        seen_mixins = seen_mixins.union(waterfall.get('mixins', set()))
96        for bot_name, tester in waterfall['machines'].iteritems():
97            seen_mixins = seen_mixins.union(tester.get('mixins', set()))
98    for suite in angle_generator.test_suites.values():
99        if isinstance(suite, list):
100            # Don't care about this, it's a composition, which shouldn't include a
101            # swarming mixin.
102            continue
103        for test in suite.values():
104            assert isinstance(test, dict)
105            seen_mixins = seen_mixins.union(test.get('mixins', set()))
106
107    found_mixins = ADDITIONAL_MIXINS.copy()
108    for mixin in seen_mixins:
109        if mixin in found_mixins:
110            continue
111        assert (mixin in chromium_generator.mixins)
112        found_mixins[mixin] = chromium_generator.mixins[mixin]
113
114    pp = pprint.PrettyPrinter(indent=2)
115
116    format_data = {
117        'script_name': os.path.basename(__file__),
118        'data_source': 'waterfall.pyl and Chromium\'s mixins.pyl',
119        'mixin_data': pp.pformat(found_mixins),
120    }
121    generated_mixin_pyl = MIXINS_PYL_TEMPLATE.format(**format_data)
122
123    with open(MIXIN_FILE_NAME, 'w') as f:
124        f.write(generated_mixin_pyl)
125        f.close()
126
127    return angle_generator.main()
128
129
130if __name__ == '__main__':  # pragma: no cover
131    sys.exit(main())
132