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// Copyright 2022 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package build_stdlib_test
import (
"bytes"
"os"
"testing"
"github.com/bazelbuild/rules_go/go/tools/bazel_testing"
)
func TestMain(m *testing.M) {
bazel_testing.TestMain(m, bazel_testing.Args{
Main: `
-- BUILD.bazel --
load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
go_binary(
name = "program",
srcs = ["main.go"],
deps = [":library"],
visibility = ["//visibility:public"],
)
go_library(
name = "library",
srcs = ["library.go"],
importpath = "example.com/library"
)
-- main.go --
package main
import "example.com/library"
func main() {
library.F()
}
-- library.go --
package library
func F() {}
`,
})
}
const origWrapSDK = `go_wrap_sdk(
name = "go_sdk",
root_file = "@local_go_sdk//:ROOT",
)
go_register_toolchains()`
const toolchain120 = `go_register_toolchains(version = "1.20rc1")`
func TestBoringcryptoExperimentPresent(t *testing.T) {
mustReplaceInFile(t, "WORKSPACE", origWrapSDK, toolchain120)
defer mustReplaceInFile(t, "WORKSPACE", toolchain120, origWrapSDK)
cmd := bazel_testing.BazelCmd("build", "//:program")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stdout
if err := cmd.Run(); err != nil {
t.Fatal("failed to run bazel build: ", err)
}
}
func mustReplaceInFile(t *testing.T, path, old, new string) {
t.Helper()
if old == new {
return
}
data, err := os.ReadFile(path)
if err != nil {
t.Fatal(err)
}
if !bytes.Contains(data, []byte(old)) {
t.Fatalf("bytes to replace %q not found in file %q with contents, %q", old, path, data)
}
data = bytes.ReplaceAll(data, []byte(old), []byte(new))
if err := os.WriteFile(path, data, 0666); err != nil {
t.Fatal(err)
}
}
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