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#!/usr/bin/env python3
# Copyright 2021 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from io import StringIO
import os
import sys
from typing import Dict
import unittest
import tempfile
from generate_framework_tests_and_coverage import generate_framework_tests_and_coverage
from models import TestPartitionDescription
from models import TestPlatform
TEST_DATA_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"test_data")
class GenerateFrameworkTestsAndCoverageTest(unittest.TestCase):
def test_coverage(self):
actions_filename = os.path.join(TEST_DATA_DIR, "test_actions.md")
enums_filename = os.path.join(TEST_DATA_DIR, "test_enums.md")
supported_actions_filename = os.path.join(
TEST_DATA_DIR, "framework_supported_actions.csv")
coverage_filename = os.path.join(TEST_DATA_DIR,
"test_unprocessed_coverage.md")
custom_partitions = [
TestPartitionDescription(
action_name_prefixes={"state_change_b"},
browsertest_dir=TEST_DATA_DIR,
test_file_prefix="tests_change_b",
test_fixture="TwoClientWebAppsIntegrationSyncTest")
]
default_partition = TestPartitionDescription(
action_name_prefixes=set(),
browsertest_dir=TEST_DATA_DIR,
test_file_prefix="tests_default",
test_fixture="WebAppIntegrationTest")
with open(actions_filename, "r", encoding="utf-8") as actions_file, \
open(supported_actions_filename, "r", encoding="utf-8") \
as supported_actions_file, \
open(coverage_filename, "r", encoding="utf-8") \
as coverage_file, \
open(enums_filename, "r", encoding="utf-8") as enums, \
tempfile.TemporaryDirectory() as output_dir:
capturedOutput = StringIO()
sys.stdout = capturedOutput
generate_framework_tests_and_coverage(
supported_actions_file, enums, actions_file, coverage_file,
custom_partitions, default_partition, output_dir, None)
# The framework uses stdout to inform the developer of tests that
# need to be added or removed. Since there should be no tests
# changes required, nothing should be printed to stdout.
self.assertFalse(capturedOutput.read())
sys.stdout = sys.__stdout__
for platform in TestPlatform:
file_title = "coverage_" + platform.suffix + ".tsv"
gen_coverage_filename = os.path.join(output_dir, file_title)
expected_coverage_filename = os.path.join(
TEST_DATA_DIR, "expected_" + file_title)
with open(gen_coverage_filename, "r", encoding="utf-8") \
as coverage_file, \
open(expected_coverage_filename, "r", \
encoding="utf-8") as expected_file:
self.assertListEqual(
list(expected_file.readlines()),
list(coverage_file.readlines()),
f"file: {expected_coverage_filename}")
if __name__ == '__main__':
unittest.main()
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