package test_helper import ( "bytes" "fmt" "math/rand" "path/filepath" "reflect" "runtime" "testing" "github.com/restic/restic/backend" ) // Assert fails the test if the condition is false. func Assert(tb testing.TB, condition bool, msg string, v ...interface{}) { if !condition { _, file, line, _ := runtime.Caller(1) fmt.Printf("\033[31m%s:%d: "+msg+"\033[39m\n\n", append([]interface{}{filepath.Base(file), line}, v...)...) tb.FailNow() } } // ok fails the test if an err is not nil. func OK(tb testing.TB, err error) { if err != nil { _, file, line, _ := runtime.Caller(1) fmt.Printf("\033[31m%s:%d: unexpected error: %s\033[39m\n\n", filepath.Base(file), line, err.Error()) tb.FailNow() } } // equals fails the test if exp is not equal to act. func Equals(tb testing.TB, exp, act interface{}) { if !reflect.DeepEqual(exp, act) { _, file, line, _ := runtime.Caller(1) fmt.Printf("\033[31m%s:%d:\n\n\texp: %#v\n\n\tgot: %#v\033[39m\n\n", filepath.Base(file), line, exp, act) tb.FailNow() } } func ParseID(s string) backend.ID { id, err := backend.ParseID(s) if err != nil { panic(err) } return id } // Random returns size bytes of pseudo-random data derived from the seed. func Random(seed, count int) []byte { buf := make([]byte, count) rnd := rand.New(rand.NewSource(int64(seed))) for i := 0; i < count; i++ { buf[i] = byte(rnd.Uint32()) } return buf } // RandomReader returns a reader that returns size bytes of pseudo-random data // derived from the seed. func RandomReader(seed, size int) *bytes.Reader { return bytes.NewReader(Random(seed, size)) }