mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-12-26 07:59:37 -05:00
116 lines
3.3 KiB
Python
116 lines
3.3 KiB
Python
"""
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This module contains rules and macros for building and testing Go code.
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"""
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load("@io_bazel_rules_go//go:def.bzl", _go_test = "go_test")
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def go_test(ld = None, count = 3, **kwargs):
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"""go_test is a wrapper for go_test that uses default settings for Constellation.
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It adds the following:
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- Sets test count to 3.
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- Sets race detector to on by default (except Mac OS)
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- Optionally sets the interpreter path to ld.
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Args:
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ld: path to interpreter to that will be written into the elf header.
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count: number of times each test should be executed. defaults to 3.
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**kwargs: all other arguments are passed to go_test.
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"""
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# Sets test count to 3.
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kwargs.setdefault("args", [])
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kwargs["args"].append("--test.count={}".format(count))
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# enable race detector by default
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race_value = select({
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"@platforms//os:macos": "off",
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"//conditions:default": "on",
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})
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pure_value = select({
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"@platforms//os:macos": "on",
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"//conditions:default": "off",
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})
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kwargs.setdefault("race", race_value)
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kwargs.setdefault("pure", pure_value)
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# set gc_linkopts to set the interpreter path to ld.
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kwargs.setdefault("gc_linkopts", [])
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if ld:
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kwargs["gc_linkopts"] += ["-I", ld]
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_go_test(**kwargs)
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def _vars_script(env, ld, cmd):
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ret = ["#!/bin/sh"]
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for k, v in env.items():
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ret.append('export {}="{}"'.format(k, v))
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ret.append('exec {} {} "$@"'.format(ld, cmd))
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return "\n".join(ret) + "\n"
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def _ld_binary_impl(ctx):
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source_info = ctx.attr.src[DefaultInfo]
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ld_info = ctx.attr.ld[DefaultInfo]
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executable = None
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if source_info.files_to_run and source_info.files_to_run.executable:
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command = _vars_script(ctx.attr.env, ld_info.files_to_run.executable.short_path, source_info.files_to_run.executable.short_path)
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executable = ctx.actions.declare_file("{}_under_ld".format(ctx.file.src.basename))
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ctx.actions.write(
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output = executable,
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content = command,
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is_executable = True,
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)
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runfiles = ctx.runfiles(files = ctx.files.src)
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runfiles = runfiles.merge(source_info.data_runfiles)
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runfiles = runfiles.merge(ctx.runfiles(files = ctx.files.ld))
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runfiles = runfiles.merge(ld_info.data_runfiles)
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return [DefaultInfo(
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executable = executable,
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files = depset([executable]),
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runfiles = runfiles,
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)]
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_attrs = {
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"env": attr.string_dict(
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doc = "Environment variables for the test",
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),
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"ld": attr.label(
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executable = True,
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cfg = "exec",
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doc = "ld wrapper executable",
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),
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"src": attr.label(
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allow_single_file = True,
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mandatory = True,
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doc = "Target to build.",
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),
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}
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ld_test = rule(
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implementation = _ld_binary_impl,
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attrs = _attrs,
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executable = True,
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test = True,
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)
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def go_ld_test(**kwargs):
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"""go_ld_test is a wrapper for go_test that uses the specified ld to run the test binary under.
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Args:
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**kwargs: all arguments are passed to go_test.
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"""
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# Sets test count to 3.
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kwargs.setdefault("args", [])
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kwargs["args"].append("--test.count=3")
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# Disable test wrapper
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kwargs.setdefault("env", {})
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kwargs["env"]["GO_TEST_WRAP"] = "0"
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ld_test(
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**kwargs
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)
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