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https://github.com/etcd-io/etcd.git
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f1ed69e883
Build tags are not compatible with block comments. Also adds copyright header to a few places it was missing.
108 lines
3.0 KiB
Go
108 lines
3.0 KiB
Go
// Copyright 2015 CoreOS, Inc.
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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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package store
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import (
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"reflect"
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"testing"
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"time"
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"unsafe"
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)
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import "github.com/coreos/etcd/Godeps/_workspace/src/github.com/stretchr/testify/assert"
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func TestNodeExternClone(t *testing.T) {
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var eNode *NodeExtern
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if g := eNode.Clone(); g != nil {
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t.Fatalf("nil.Clone=%v, want nil", g)
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}
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const (
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key string = "/foo/bar"
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ttl int64 = 123456789
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ci uint64 = 123
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mi uint64 = 321
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)
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var (
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val = "some_data"
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valp = &val
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exp = time.Unix(12345, 67890)
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expp = &exp
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child = NodeExtern{}
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childp = &child
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childs = []*NodeExtern{childp}
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)
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eNode = &NodeExtern{
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Key: key,
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TTL: ttl,
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CreatedIndex: ci,
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ModifiedIndex: mi,
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Value: valp,
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Expiration: expp,
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Nodes: childs,
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}
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gNode := eNode.Clone()
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// Check the clone is as expected
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assert.Equal(t, gNode.Key, key)
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assert.Equal(t, gNode.TTL, ttl)
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assert.Equal(t, gNode.CreatedIndex, ci)
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assert.Equal(t, gNode.ModifiedIndex, mi)
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// values should be the same
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assert.Equal(t, *gNode.Value, val)
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assert.Equal(t, *gNode.Expiration, exp)
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assert.Equal(t, len(gNode.Nodes), len(childs))
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assert.Equal(t, *gNode.Nodes[0], child)
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// but pointers should differ
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if gNode.Value == eNode.Value {
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t.Fatalf("expected value pointers to differ, but got same!")
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}
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if gNode.Expiration == eNode.Expiration {
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t.Fatalf("expected expiration pointers to differ, but got same!")
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}
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if sameSlice(gNode.Nodes, eNode.Nodes) {
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t.Fatalf("expected nodes pointers to differ, but got same!")
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}
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// Original should be the same
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assert.Equal(t, eNode.Key, key)
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assert.Equal(t, eNode.TTL, ttl)
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assert.Equal(t, eNode.CreatedIndex, ci)
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assert.Equal(t, eNode.ModifiedIndex, mi)
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assert.Equal(t, eNode.Value, valp)
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assert.Equal(t, eNode.Expiration, expp)
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if !sameSlice(eNode.Nodes, childs) {
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t.Fatalf("expected nodes pointer to same, but got different!")
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}
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// Change the clone and ensure the original is not affected
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gNode.Key = "/baz"
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gNode.TTL = 0
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gNode.Nodes[0].Key = "uno"
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assert.Equal(t, eNode.Key, key)
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assert.Equal(t, eNode.TTL, ttl)
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assert.Equal(t, eNode.CreatedIndex, ci)
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assert.Equal(t, eNode.ModifiedIndex, mi)
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assert.Equal(t, *eNode.Nodes[0], child)
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// Change the original and ensure the clone is not affected
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eNode.Key = "/wuf"
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assert.Equal(t, eNode.Key, "/wuf")
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assert.Equal(t, gNode.Key, "/baz")
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}
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func sameSlice(a, b []*NodeExtern) bool {
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ah := (*reflect.SliceHeader)(unsafe.Pointer(&a))
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bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
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return *ah == *bh
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}
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