Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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44 lines
1.6 KiB
44 lines
1.6 KiB
4 years ago
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def generated_file_staleness_test(name, outs, generated_pattern):
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"""Tests that checked-in file(s) match the contents of generated file(s).
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The resulting test will verify that all output files exist and have the
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correct contents. If the test fails, it can be invoked with --fix to
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bring the checked-in files up to date.
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Args:
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name: Name of the rule.
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outs: the checked-in files that are copied from generated files.
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generated_pattern: the pattern for transforming each "out" file into a
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generated file. For example, if generated_pattern="generated/%s" then
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a file foo.txt will look for generated file generated/foo.txt.
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"""
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script_name = name + ".py"
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script_src = ":staleness_test.py"
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# Filter out non-existing rules so Blaze doesn't error out before we even
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# run the test.
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existing_outs = native.glob(include = outs)
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# The file list contains a few extra bits of information at the end.
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# These get unpacked by the Config class in staleness_test_lib.py.
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file_list = outs + [generated_pattern, native.package_name() or ".", name]
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native.genrule(
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name = name + "_makescript",
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outs = [script_name],
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srcs = [script_src],
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testonly = 1,
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cmd = "cat $(location " + script_src + ") > $@; " +
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"sed -i.bak -e 's|INSERT_FILE_LIST_HERE|" + "\\\n ".join(file_list) + "|' $@",
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)
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native.py_test(
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name = name,
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srcs = [script_name],
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data = existing_outs + [generated_pattern % file for file in outs],
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deps = [
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":staleness_test_lib",
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],
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)
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