forked from mirrors/gecko-dev
		
	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
		
			
				
	
	
		
			76 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
	
		
			2.5 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 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 cpp outputter extension
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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 cpp
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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_all_metric_types():
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    """Honestly, this is a pretty bad test.
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    It generates C++ for a given test metrics.yaml and compares it byte-for-byte
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    with an expected output C++ file.
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    Expect it to be fragile.
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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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    input_files = [Path(path.join(path.dirname(__file__), "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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    output_fd = io.StringIO()
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    cpp.output_cpp(all_objs.value, output_fd, options)
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    expect(
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        path.join(path.dirname(__file__), "metrics_test_output_cpp"),
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        output_fd.getvalue(),
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    )
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def test_fake_pings():
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    """Another similarly-fragile test.
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    It generates C++ for pings_test.yaml, comparing it byte-for-byte
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    with an expected output C++ file `pings_test_output_cpp`.
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    Expect it to be fragile.
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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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    input_files = [Path(path.join(path.dirname(__file__), "pings_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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    output_fd = io.StringIO()
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    cpp.output_cpp(all_objs.value, output_fd, options)
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    expect(
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        path.join(path.dirname(__file__), "pings_test_output_cpp"), output_fd.getvalue()
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    )
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if __name__ == "__main__":
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    mozunit.main()
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