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Implement a unit test case for parsing trans output

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This commit is contained in:
Kristóf Tóth
2019-10-09 21:05:12 +02:00
parent 8b8f0e94b0
commit ce24100bf8
2 changed files with 61 additions and 13 deletions
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35
trans/trans.go
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@ -7,29 +7,30 @@ import (
"log"
)
type Translator interface {
Translate() []string
type Translation struct {
job TransJob
Executor func(TransJob) ([]byte, error)
}
type transJob struct {
type TransJob struct {
word string
fromLang string
toLang string
}
func New(word, fromLang, toLang string) Translator {
return transJob{word: word, fromLang: fromLang, toLang: toLang}
}
func (tj transJob) Translate() []string {
outBytes, err := tj.execTrans()
if err != nil {
log.Fatalf("Failed to execute command 'trans': %v", err)
func New(word, fromLang, toLang string) Translation {
return Translation{
job: TransJob{
word: word,
fromLang: fromLang,
toLang: toLang,
},
Executor: executeTransShell,
}
return uniqueSlice(parseTransOutput(string(outBytes)))
}
func (tj transJob) execTrans() ([]byte, error) {
func executeTransShell(tj TransJob) ([]byte, error) {
config := []string{
"-no-ansi",
"-show-original", "n",
@ -43,6 +44,14 @@ func (tj transJob) execTrans() ([]byte, error) {
return exec.Command("trans", config...).Output()
}
func (t Translation) Translate() []string {
outBytes, err := t.Executor(t.job)
if err != nil {
log.Fatalf("Failed to execute command 'trans': %v", err)
}
return uniqueSlice(parseTransOutput(string(outBytes)))
}
func parseTransOutput(out string) []string {
outLines := strings.Split(out, "\n")
translation := outLines[0]