forked from mirrors/gecko-dev
1965d31c15
(And test it.) Differential Revision: https://phabricator.services.mozilla.com/D46111 --HG-- extra : moz-landing-system : lando
123 lines
5 KiB
Python
123 lines
5 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import json
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import mozunit
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import sys
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import unittest
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from os import path
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TELEMETRY_ROOT_PATH = path.abspath(path.join(path.dirname(__file__), path.pardir, path.pardir))
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sys.path.append(TELEMETRY_ROOT_PATH)
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# The parsers live in a subdirectory of "build_scripts", account for that.
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# NOTE: if the parsers are moved, this logic will need to be updated.
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sys.path.append(path.join(TELEMETRY_ROOT_PATH, "build_scripts"))
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from mozparsers import parse_histograms # noqa: E402
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def load_histogram(histograms):
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"""Parse the passed Histogram and return a dictionary mapping histogram
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names to histogram parameters.
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:param histogram: Histogram as a python dictionary
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:returns: Parsed Histogram dictionary mapping histogram names to histogram parameters
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"""
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def hook(ps):
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return parse_histograms.load_histograms_into_dict(ps, strict_type_checks=False)
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return json.loads(json.dumps(histograms), object_pairs_hook=hook)
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class TestParser(unittest.TestCase):
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def test_unknown_field(self):
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SAMPLE_HISTOGRAM = {
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"A11Y_INSTANTIATED_FLAG": {
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"record_in_processes": ["main", "content"],
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"expires_in_version": "never",
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"kind": "flag",
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"description": "has accessibility support been instantiated",
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"new_field": "Its a new field"
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}}
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histograms = load_histogram(SAMPLE_HISTOGRAM)
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hist = parse_histograms.Histogram('A11Y_INSTANTIATED_FLAG',
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histograms['A11Y_INSTANTIATED_FLAG'],
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strict_type_checks=False)
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self.assertEqual(hist.expiration(), 'never')
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self.assertEqual(hist.kind(), 'flag')
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self.assertEqual(hist.record_in_processes(), ["main", "content"])
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def test_non_numeric_expressions(self):
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SAMPLE_HISTOGRAM = {
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"TEST_NON_NUMERIC_HISTOGRAM": {
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"kind": "linear",
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"description": "sample",
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"n_buckets": "JS::GCReason::NUM_TELEMETRY_REASONS",
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"high": "mozilla::StartupTimeline::MAX_EVENT_ID"
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}}
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histograms = load_histogram(SAMPLE_HISTOGRAM)
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hist = parse_histograms.Histogram('TEST_NON_NUMERIC_HISTOGRAM',
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histograms['TEST_NON_NUMERIC_HISTOGRAM'],
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strict_type_checks=False)
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# expected values come off parse_histograms.py
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self.assertEqual(hist.n_buckets(), 101)
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self.assertEqual(hist.high(), 12)
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def test_devtools_database_parsing(self):
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db = path.join(TELEMETRY_ROOT_PATH,
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path.pardir,
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path.pardir,
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path.pardir,
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"devtools",
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"shared",
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"css",
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"generated",
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"properties-db.js")
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histograms = list(parse_histograms.from_files([db], strict_type_checks=False))
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histograms = [h.name() for h in histograms]
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# Test a shorthand (animation)
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self.assertTrue("USE_COUNTER2_CSS_PROPERTY_Animation_DOCUMENT" in histograms)
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# Test a shorthand alias (-moz-animation).
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self.assertTrue("USE_COUNTER2_CSS_PROPERTY_MozAnimation_DOCUMENT" in histograms)
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# Test a longhand (animation-name)
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self.assertTrue("USE_COUNTER2_CSS_PROPERTY_AnimationName_DOCUMENT" in histograms)
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# Test a longhand alias (-moz-animation-name)
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self.assertTrue("USE_COUNTER2_CSS_PROPERTY_MozAnimationName_DOCUMENT" in histograms)
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def test_current_histogram(self):
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HISTOGRAMS_PATH = path.join(TELEMETRY_ROOT_PATH, "Histograms.json")
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all_histograms = list(parse_histograms.from_files([HISTOGRAMS_PATH],
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strict_type_checks=False))
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test_histogram = [i for i in all_histograms if i.name() == 'TELEMETRY_TEST_FLAG'][0]
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self.assertEqual(test_histogram.expiration(), 'never')
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self.assertEqual(test_histogram.kind(), 'flag')
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self.assertEqual(test_histogram.record_in_processes(), ["main", "content"])
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self.assertEqual(test_histogram.keyed(), False)
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def test_no_products(self):
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SAMPLE_HISTOGRAM = {
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"TEST_EMPTY_PRODUCTS": {
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"kind": "flag",
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"description": "sample",
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}}
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histograms = load_histogram(SAMPLE_HISTOGRAM)
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hist = parse_histograms.Histogram('TEST_EMPTY_PRODUCTS',
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histograms['TEST_EMPTY_PRODUCTS'],
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strict_type_checks=False)
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self.assertEqual(hist.kind(), 'flag')
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# bug 1486072: absent `product` key becomes None instead of ["all"]
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self.assertEqual(hist.products(), None)
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if __name__ == '__main__':
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mozunit.main()
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