79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
/*
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* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package build
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"log"
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"os"
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"os/exec"
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)
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func cmpTest(dir, pkgPath, llApp string, runArgs []string) {
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var goOut, goErr bytes.Buffer
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var llgoOut, llgoErr bytes.Buffer
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var llgoRunErr = runApp(runArgs, dir, &llgoOut, &llgoErr, llApp)
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var goRunErr = runApp(runArgs, dir, &goOut, &goErr, "go", "run", pkgPath)
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checkEqual("output", llgoOut.Bytes(), goOut.Bytes())
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checkEqual("stderr", llgoErr.Bytes(), goErr.Bytes())
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checkEqualRunErr(llgoRunErr, goRunErr)
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}
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func checkEqualRunErr(llgoRunErr, goRunErr error) {
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if llgoRunErr == goRunErr {
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return
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}
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fmt.Fprintln(os.Stderr, "=> Exit:", llgoRunErr)
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fmt.Fprintln(os.Stderr, "\n=> Expected Exit:", goRunErr)
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}
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func checkEqual(prompt string, a, expected []byte) {
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if bytes.Equal(a, expected) {
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return
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}
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fmt.Fprintln(os.Stderr, "=> Result of", prompt)
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os.Stderr.Write(a)
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fmt.Fprintln(os.Stderr, "\n=> Expected", prompt)
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os.Stderr.Write(expected)
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fatal(errors.New("checkEqual: unexpected " + prompt))
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}
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func runApp(runArgs []string, dir string, stdout, stderr io.Writer, app string, args ...string) error {
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if len(runArgs) > 0 {
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if len(args) > 0 {
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args = append(args, runArgs...)
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} else {
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args = runArgs
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}
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}
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cmd := exec.Command(app, args...)
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cmd.Dir = dir
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cmd.Stdout = stdout
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cmd.Stderr = stderr
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return cmd.Run()
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}
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func fatal(err error) {
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log.Panicln(err)
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}
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