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