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 TestGenerateNonCryptoID(t *testing.T) { id := GenerateNonCryptoID() 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) } }