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78bfa75ec7
One can now run the tests with `UPDATE_EXPECT=1` and the code will update the files, so one can then commit them (after verifying that they do what they should) Differential Revision: https://phabricator.services.mozilla.com/D116563
55 lines
1.9 KiB
Python
55 lines
1.9 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 io
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import mozunit
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from os import path
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from pathlib import Path
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import sys
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from expect_helper import expect
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# Shenanigans to import the FOG glean_parser runner
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FOG_ROOT_PATH = path.abspath(path.join(path.dirname(__file__), path.pardir))
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sys.path.append(path.join(FOG_ROOT_PATH, "build_scripts", "glean_parser_ext"))
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import run_glean_parser
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# Shenanigans to import the in-tree glean_parser
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GECKO_PATH = path.join(FOG_ROOT_PATH, path.pardir, path.pardir, path.pardir)
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sys.path.append(path.join(GECKO_PATH, "third_party", "python", "glean_parser"))
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from glean_parser import lint, parser, util
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def test_gifft_codegen():
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"""
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A regression test. Very fragile.
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It generates C++ for GIFFT for metrics_test.yaml and compares it
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byte-for-byte with expected output C++ files.
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To generate new expected output files, set `UPDATE_EXPECT=1` when running the test suite:
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UPDATE_EXPECT=1 mach test toolkit/components/glean/pytest
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"""
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options = {"allow_reserved": False}
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here_path = Path(path.dirname(__file__))
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input_files = [here_path / "metrics_test.yaml"]
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all_objs = parser.parse_objects(input_files, options)
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assert not util.report_validation_errors(all_objs)
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assert not lint.lint_metrics(all_objs.value, options)
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all_objs = all_objs.value
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for probe_type in ("Event", "Histogram", "Scalar"):
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output_fd = io.StringIO()
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cpp_fd = io.StringIO()
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run_glean_parser.output_gifft_map(output_fd, probe_type, all_objs, cpp_fd)
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expect(here_path / f"gifft_output_{probe_type}", output_fd.getvalue())
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if probe_type == "Event":
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expect(here_path / "gifft_output_EventExtra", cpp_fd.getvalue())
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if __name__ == "__main__":
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mozunit.main()
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