89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
// Copyright 2016-2018, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// nolint: goconst
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package resource
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import (
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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 := 8
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maxlen := 100
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id, err := NewUniqueHex(prefix, randlen, maxlen)
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assert.Nil(t, err)
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assert.Equal(t, len(prefix)+randlen, len(id))
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assert.Equal(t, true, strings.HasPrefix(id, prefix))
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}
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func TestNewUniqueHexMaxLen2(t *testing.T) {
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prefix := "prefix"
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randlen := 8
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maxlen := 13
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_, err := NewUniqueHex(prefix, randlen, maxlen)
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assert.NotNil(t, err)
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}
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func TestNewUniqueHexEnsureRandomness2(t *testing.T) {
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prefix := "prefix"
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// Just enough space to have 8 chars of randomenss
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randlen := 8
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maxlen := 14
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id, err := NewUniqueHex(prefix, randlen, maxlen)
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assert.Nil(t, err)
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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, err := NewUniqueHex(prefix, -1, -1)
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assert.Nil(t, err)
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assert.Equal(t, len(prefix)+8, 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 := 8
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maxlen := 100
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id, err := NewUniqueHexID(prefix, randlen, maxlen)
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assert.Nil(t, err)
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assert.Equal(t, len(prefix)+8, 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 := 8
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maxlen := 20
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id, err := NewUniqueHexID(prefix, randlen, maxlen)
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assert.Nil(t, err)
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assert.Equal(t, len(prefix)+8, 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, err := NewUniqueHexID(prefix, -1, -1)
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assert.Nil(t, err)
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assert.Equal(t, len(prefix)+8, len(id))
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assert.Equal(t, true, strings.HasPrefix(string(id), prefix))
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}
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