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510e79ebe9
Remove non cryptographic randomness.
Signed-off-by: Justin Cormack <justin.cormack@docker.com>
(cherry picked from commit 2df693e533)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
package stringid // import "github.com/docker/docker/pkg/stringid"
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import (
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"strings"
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"testing"
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)
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func TestGenerateRandomID(t *testing.T) {
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id := GenerateRandomID()
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if len(id) != 64 {
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t.Fatalf("Id returned is incorrect: %s", id)
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}
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}
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func TestShortenId(t *testing.T) {
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id := "90435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a2"
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truncID := TruncateID(id)
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if truncID != "90435eec5c4e" {
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t.Fatalf("Id returned is incorrect: truncate on %s returned %s", id, truncID)
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}
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}
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func TestShortenSha256Id(t *testing.T) {
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id := "sha256:4e38e38c8ce0b8d9041a9c4fefe786631d1416225e13b0bfe8cfa2321aec4bba"
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truncID := TruncateID(id)
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if truncID != "4e38e38c8ce0" {
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t.Fatalf("Id returned is incorrect: truncate on %s returned %s", id, truncID)
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}
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}
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func TestShortenIdEmpty(t *testing.T) {
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id := ""
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truncID := TruncateID(id)
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if len(truncID) > len(id) {
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t.Fatalf("Id returned is incorrect: truncate on %s returned %s", id, truncID)
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}
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}
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func TestShortenIdInvalid(t *testing.T) {
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id := "1234"
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truncID := TruncateID(id)
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if len(truncID) != len(id) {
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t.Fatalf("Id returned is incorrect: truncate on %s returned %s", id, truncID)
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}
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}
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func TestIsShortIDNonHex(t *testing.T) {
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id := "some non-hex value"
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if IsShortID(id) {
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t.Fatalf("%s is not a short ID", id)
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}
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}
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func TestIsShortIDNotCorrectSize(t *testing.T) {
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id := strings.Repeat("a", shortLen+1)
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if IsShortID(id) {
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t.Fatalf("%s is not a short ID", id)
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}
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id = strings.Repeat("a", shortLen-1)
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if IsShortID(id) {
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t.Fatalf("%s is not a short ID", id)
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}
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}
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