mirror of
https://github.com/bazel-contrib/bazel-lib
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110 lines
3.6 KiB
Python
110 lines
3.6 KiB
Python
"bats_test"
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load("//lib:paths.bzl", "BASH_RLOCATION_FUNCTION", "to_rlocation_path")
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load("//lib:windows_utils.bzl", "create_windows_native_launcher_script")
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load(":expand_locations.bzl", "expand_locations")
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load(":expand_variables.bzl", "expand_variables")
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_LAUNCHER_TMPL = """#!/usr/bin/env bash
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set -o errexit -o nounset -o pipefail
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{BASH_RLOCATION_FUNCTION}
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readonly core_path="$(rlocation {core})"
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readonly bats="$core_path/bin/bats"
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readonly libs=( {libraries} )
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{envs}
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NEW_LIBS=()
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for lib in "${{libs[@]}}"; do
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NEW_LIBS+=( $(cd "$(rlocation $lib)/.." && pwd) )
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done
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export BATS_LIB_PATH=$(
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IFS=:
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echo "${{NEW_LIBS[*]}}"
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)
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export BATS_TEST_TIMEOUT="$TEST_TIMEOUT"
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export BATS_TMPDIR="$TEST_TMPDIR"
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exec $bats {tests} $@
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"""
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_ENV_SET = """export {key}=\"{value}\""""
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def _bats_test_impl(ctx):
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toolchain = ctx.toolchains["@aspect_bazel_lib//lib:bats_toolchain_type"]
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batsinfo = toolchain.batsinfo
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is_windows = ctx.target_platform_has_constraint(ctx.attr._windows_constraint[platform_common.ConstraintValueInfo])
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envs = []
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for (key, value) in ctx.attr.env.items():
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envs.append(_ENV_SET.format(
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key = key,
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value = " ".join([expand_variables(ctx, exp, attribute_name = "env") for exp in expand_locations(ctx, value, ctx.attr.data).split(" ")]),
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))
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# See https://www.msys2.org/wiki/Porting/:
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# > Setting MSYS2_ARG_CONV_EXCL=* prevents any path transformation.
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if is_windows:
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envs.append(_ENV_SET.format(
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key = "MSYS2_ARG_CONV_EXCL",
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value = "*",
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))
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envs.append(_ENV_SET.format(
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key = "MSYS_NO_PATHCONV",
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value = "1",
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))
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bash_launcher = ctx.actions.declare_file("%s_bats.sh" % ctx.label.name)
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ctx.actions.write(
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output = bash_launcher,
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content = _LAUNCHER_TMPL.format(
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core = to_rlocation_path(ctx, batsinfo.core),
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libraries = " ".join([to_rlocation_path(ctx, lib) for lib in batsinfo.libraries]),
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tests = " ".join(["$(rlocation %s)" % to_rlocation_path(ctx, test) for test in ctx.files.srcs]),
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envs = "\n".join(envs),
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BASH_RLOCATION_FUNCTION = BASH_RLOCATION_FUNCTION,
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),
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is_executable = True,
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)
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launcher = create_windows_native_launcher_script(ctx, bash_launcher) if is_windows else bash_launcher
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runfiles = ctx.runfiles(ctx.files.srcs + ctx.files.data + [bash_launcher])
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runfiles = runfiles.merge(toolchain.default.default_runfiles)
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runfiles = runfiles.merge(ctx.attr._runfiles.default_runfiles)
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return DefaultInfo(
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executable = launcher,
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runfiles = runfiles,
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)
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bats_test = rule(
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implementation = _bats_test_impl,
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attrs = {
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"srcs": attr.label_list(
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allow_files = [".bats"],
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doc = "Test files",
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),
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"data": attr.label_list(
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allow_files = True,
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doc = "Runtime dependencies of the test.",
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),
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"env": attr.string_dict(
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doc = """Environment variables of the action.
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Subject to [$(location)](https://bazel.build/reference/be/make-variables#predefined_label_variables)
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and ["Make variable"](https://bazel.build/reference/be/make-variables) substitution.
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""",
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),
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"_runfiles": attr.label(default = "@bazel_tools//tools/bash/runfiles"),
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"_windows_constraint": attr.label(default = "@platforms//os:windows"),
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},
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toolchains = [
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"@aspect_bazel_lib//lib:bats_toolchain_type",
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"@bazel_tools//tools/sh:toolchain_type",
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],
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test = True,
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)
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