// Copyright 2015 Google Inc. 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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package main
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import (
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"bufio"
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"bytes"
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"syscall"
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)
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var (
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chdir = flag.String("p", "", "Change to a path before executing test")
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touch = flag.String("f", "", "Write a file on success")
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)
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// This will copy the stdout from the test process to our stdout
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// unless it only contains "PASS\n".
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func handleStdout(stdout io.Reader) {
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reader := bufio.NewReader(stdout)
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// This is intentionally 6 instead of 5 to check for EOF
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buf, _ := reader.Peek(6)
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if bytes.Equal(buf, []byte("PASS\n")) {
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return
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}
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io.Copy(os.Stdout, reader)
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}
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func main() {
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flag.Parse()
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if flag.NArg() == 0 {
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fmt.Fprintln(os.Stderr, "error: must pass at least one test executable")
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os.Exit(1)
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}
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test, err := filepath.Abs(flag.Arg(0))
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if err != nil {
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fmt.Fprintln(os.Stderr, "error: Failed to locate test binary:", err)
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}
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cmd := exec.Command(test, flag.Args()[1:]...)
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if *chdir != "" {
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cmd.Dir = *chdir
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// GOROOT is commonly a relative path in Android, make it
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// absolute if we're changing directories.
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if absRoot, err := filepath.Abs(runtime.GOROOT()); err == nil {
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os.Setenv("GOROOT", absRoot)
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} else {
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fmt.Fprintln(os.Stderr, "error: Failed to locate GOROOT:", err)
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}
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}
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cmd.Stderr = os.Stderr
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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err = cmd.Start()
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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handleStdout(stdout)
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if err = cmd.Wait(); err != nil {
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if e, ok := err.(*exec.ExitError); ok {
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if status, ok := e.Sys().(syscall.WaitStatus); ok && status.Exited() {
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os.Exit(status.ExitStatus())
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} else if status.Signaled() {
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fmt.Fprintf(os.Stderr, "test got signal %s\n", status.Signal())
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os.Exit(1)
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}
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}
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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if *touch != "" {
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err = ioutil.WriteFile(*touch, []byte{}, 0666)
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if err != nil {
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panic(err)
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}
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}
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os.Exit(0)
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}
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