bda607abd8
This allows -1 for randlen and maxlen to use defaults. The default behavior is that randlen uses sha1.Size and maxlen is "no max".
62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package resource
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import (
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"crypto/sha1"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestNewUniqueHex(t *testing.T) {
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prefix := "prefix"
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randlen := 20
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maxlen := 100
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id := NewUniqueHex(prefix, maxlen, randlen)
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assert.Equal(t, len(prefix)+randlen*2, len(id))
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assert.Equal(t, true, strings.HasPrefix(id, prefix))
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}
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func TestNewUniqueHexMaxLen(t *testing.T) {
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prefix := "prefix"
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randlen := 20
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maxlen := 20
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id := NewUniqueHex(prefix, maxlen, randlen)
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assert.Equal(t, maxlen, len(id))
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assert.Equal(t, true, strings.HasPrefix(id, prefix))
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}
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func TestNewUniqueDefaults(t *testing.T) {
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prefix := "prefix"
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id := NewUniqueHex(prefix, -1, -1)
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assert.Equal(t, len(prefix)+(sha1.Size*2), len(id))
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assert.Equal(t, true, strings.HasPrefix(id, prefix))
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}
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func TestNewUniqueHexID(t *testing.T) {
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prefix := "prefix"
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randlen := 20
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maxlen := 100
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id := NewUniqueHexID(prefix, maxlen, randlen)
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assert.Equal(t, len(prefix)+randlen*2, len(id))
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assert.Equal(t, true, strings.HasPrefix(string(id), prefix))
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}
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func TestNewUniqueHexMaxLenID(t *testing.T) {
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prefix := "prefix"
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randlen := 20
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maxlen := 20
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id := NewUniqueHexID(prefix, maxlen, randlen)
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assert.Equal(t, maxlen, len(id))
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assert.Equal(t, true, strings.HasPrefix(string(id), prefix))
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}
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func TestNewUniqueDefaultsID(t *testing.T) {
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prefix := "prefix"
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id := NewUniqueHexID(prefix, -1, -1)
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assert.Equal(t, len(prefix)+(sha1.Size*2), len(id))
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assert.Equal(t, true, strings.HasPrefix(string(id), prefix))
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}
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