50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
# This file is licensed under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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"""Rules for running lit tests."""
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load("@bazel_skylib//lib:paths.bzl", "paths")
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def lit_test(
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name,
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srcs,
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args = None,
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data = None,
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**kwargs):
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"""Runs a single test file with LLVM's lit tool.
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Args:
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name: string. the name of the generated test target.
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srcs: label list. The files on which to run lit.
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args: string list. Additional arguments to pass to lit.
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Note that `-v` and the 'srcs' paths are added automatically.
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data: label list. Additional data dependencies of the test.
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Note that 'srcs' targets are added automatically.
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**kwargs: additional keyword arguments.
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See https://llvm.org/docs/CommandGuide/lit.html for details on lit.
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"""
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args = args or []
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data = data or []
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native.py_test(
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name = name,
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srcs = [Label("//llvm:lit")],
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main = Label("//llvm:utils/lit/lit.py"),
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args = args + ["-v"] + ["$(execpath %s)" % src for src in srcs],
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data = data + srcs,
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legacy_create_init = False,
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**kwargs
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)
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def package_path(label):
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"""Returns the path to the package of 'label'.
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Args:
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label: label. The label to return the package path of.
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For example, package_path("@foo//bar:BUILD") returns 'external/foo/bar'.
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"""
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return paths.join(Label(label).workspace_root, Label(label).package)
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