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package stringid // import "github.com/docker/docker/pkg/stringid"
import (
"strings"
"testing"
)
func TestGenerateRandomID(t *testing.T) {
id := GenerateRandomID()
if len(id) != 64 {
t.Fatalf("Id returned is incorrect: %s", id)
}
}
func TestShortenId(t *testing.T) {
id := "90435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a2"
truncID := TruncateID(id)
if truncID != "90435eec5c4e" {
t.Fatalf("Id returned is incorrect: truncate on %s returned %s", id, truncID)
}
}
func TestShortenSha256Id(t *testing.T) {
id := "sha256:4e38e38c8ce0b8d9041a9c4fefe786631d1416225e13b0bfe8cfa2321aec4bba"
truncID := TruncateID(id)
if truncID != "4e38e38c8ce0" {
t.Fatalf("Id returned is incorrect: truncate on %s returned %s", id, truncID)
}
}
func TestShortenIdEmpty(t *testing.T) {
id := ""
truncID := TruncateID(id)
if len(truncID) > len(id) {
t.Fatalf("Id returned is incorrect: truncate on %s returned %s", id, truncID)
}
}
func TestShortenIdInvalid(t *testing.T) {
id := "1234"
truncID := TruncateID(id)
if len(truncID) != len(id) {
t.Fatalf("Id returned is incorrect: truncate on %s returned %s", id, truncID)
}
}
func TestIsShortIDNonHex(t *testing.T) {
id := "some non-hex value"
if IsShortID(id) {
t.Fatalf("%s is not a short ID", id)
}
}
func TestIsShortIDNotCorrectSize(t *testing.T) {
id := strings.Repeat("a", shortLen+1)
if IsShortID(id) {
t.Fatalf("%s is not a short ID", id)
}
id = strings.Repeat("a", shortLen-1)
if IsShortID(id) {
t.Fatalf("%s is not a short ID", id)
}
}
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