# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import io
import sys
from os
import path
from pathlib
import Path
import mozunit
from expect_helper
import expect
# Shenanigans to import the FOG glean_parser runner
FOG_ROOT_PATH = path.abspath(
path.join(path.dirname(__file__), path.pardir, path.pardir)
)
sys.path.append(path.join(FOG_ROOT_PATH,
"build_scripts",
"glean_parser_ext"))
import run_glean_parser
def test_gifft_codegen():
"""
A regression test. Very fragile.
It generates C++
for GIFFT
for metrics_test.yaml
and compares it
byte-for-byte
with expected output C++ files.
To generate new expected output files, set `UPDATE_EXPECT=1` when running the test suite:
UPDATE_EXPECT=1 mach test toolkit/components/glean/tests/pytest
"""
options = {
"allow_reserved":
False,
"is_local_build":
False}
here_path = Path(path.dirname(__file__))
input_files = [here_path /
"metrics_test.yaml"]
all_objs, options = run_glean_parser.parse_with_options(input_files, options)
for probe_type
in (
"Event",
"Histogram",
"Scalar"):
output_fd = io.StringIO()
cpp_fd = io.StringIO()
run_glean_parser.output_gifft_map(
output_fd, probe_type, all_objs, cpp_fd, options
)
expect(here_path / f
"gifft_output_{probe_type}", output_fd.getvalue())
if __name__ ==
"__main__":
mozunit.main()
