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package main
import (
"io/ioutil"
"os"
"os/exec"
"strings"
"github.com/01-edu/public/go/lib"
)
func main() {
pathFileName1 := "./student/cat/quest8.txt"
pathFileName2 := "./student/cat/quest8T.txt"
if _, err := os.Stat(pathFileName1); err != nil {
lib.Fatalln(err)
}
if _, err := os.Stat(pathFileName2); err != nil {
lib.Fatalln(err)
}
table := []string{pathFileName1, pathFileName1 + " " + pathFileName2, "asd"}
for _, s := range table {
lib.ChallengeMain("cat", strings.Fields(s)...)
}
if _, err := exec.Command("go", "build", "-o", "cat_student", "./student/cat/main.go").Output(); err != nil {
lib.Fatal(string(err.(*exec.ExitError).Stderr))
}
if _, err := exec.Command("go", "build", "-o", "cat_solution", "./solutions/cat/main.go").Output(); err != nil {
lib.Fatal(string(err.(*exec.ExitError).Stderr))
}
pwd, err := os.Getwd()
if err != nil {
lib.Fatalln(err)
}
for i := 0; i < 2; i++ {
randStdin := lib.RandAlnum()
cmd := exec.Command("sh", "-c", pwd+"/cat_solution")
solutionResult := execStdin(cmd, randStdin)
cmdS := exec.Command(pwd + "/cat_student")
studentResult := execStdin(cmdS, randStdin)
if solutionResult != studentResult {
lib.Fatalf("./cat prints %s instead of %s\n", studentResult, solutionResult)
}
}
}
func execStdin(cmd *exec.Cmd, randomStdin string) string {
stdin, err := cmd.StdinPipe()
if err != nil {
lib.Fatalln(err)
}
stdout, err := cmd.StdoutPipe()
if err != nil {
lib.Fatalln(err)
}
if err := cmd.Start(); err != nil {
lib.Fatalln(err)
}
_, err = stdin.Write([]byte(randomStdin))
if err != nil {
lib.Fatalln(err)
}
stdin.Close()
out, _ := ioutil.ReadAll(stdout)
if err := cmd.Wait(); err != nil {
lib.Fatalln(err)
}
return string(out)
}
// TODO: handle stdin in ChallengeMain