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"""Tools for testing yaml files against schemas."""
def _yaml_test_impl(ctx):
"""Implementation for yaml_test."""
runner = ctx.actions.declare_file(ctx.label.name)
ctx.actions.write(runner, "\n".join([
"#!/bin/bash",
"set -euo pipefail",
"%s -schema=%s -- %s" % (
ctx.files._tool[0].short_path,
ctx.files.schema[0].short_path,
" ".join([f.short_path for f in ctx.files.srcs]),
),
]), is_executable = True)
return [DefaultInfo(
runfiles = ctx.runfiles(files = ctx.files._tool + ctx.files.schema + ctx.files.srcs),
executable = runner,
)]
yaml_test = rule(
implementation = _yaml_test_impl,
doc = "Tests a yaml file against a schema.",
attrs = {
"srcs": attr.label_list(
doc = "The input yaml files.",
mandatory = True,
allow_files = True,
),
"schema": attr.label(
doc = "The schema file in JSON schema format.",
allow_single_file = True,
mandatory = True,
),
"_tool": attr.label(
executable = True,
cfg = "host",
default = Label("//tools/yamltest:yamltest"),
),
},
test = True,
)
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