mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
103 lines
2.7 KiB
Go
103 lines
2.7 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 lease
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import (
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"reflect"
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"testing"
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"time"
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)
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// TestLessorGrant ensures Lessor can grant wanted lease.
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// The granted lease should have a unique ID with a term
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// that is greater than minLeaseTerm.
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func TestLessorGrant(t *testing.T) {
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le := NewLessor(1, &fakeDeleteable{})
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l := le.Grant(time.Now().Add(time.Second))
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gl := le.get(l.id)
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if !reflect.DeepEqual(gl, l) {
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t.Errorf("lease = %v, want %v", gl, l)
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}
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if l.expiry.Sub(time.Now()) < minLeaseTerm-time.Second {
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t.Errorf("term = %v, want at least %v", l.expiry.Sub(time.Now()), minLeaseTerm-time.Second)
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}
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nl := le.Grant(time.Now().Add(time.Second))
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if nl.id == l.id {
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t.Errorf("new lease.id = %x, want != %x", nl.id, l.id)
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}
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}
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// TestLessorRevoke ensures Lessor can revoke a lease.
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// The items in the revoked lease should be removed from
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// the DeleteableKV.
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// The revoked lease cannot be got from Lessor again.
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func TestLessorRevoke(t *testing.T) {
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fd := &fakeDeleteable{}
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le := NewLessor(1, fd)
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// grant a lease with long term (100 seconds) to
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// avoid early termination during the test.
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l := le.Grant(time.Now().Add(100 * time.Second))
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items := []leaseItem{
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{"foo", ""},
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{"bar", "zar"},
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}
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err := le.Attach(l.id, items)
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if err != nil {
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t.Fatalf("failed to attach items to the lease: %v", err)
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}
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err = le.Revoke(l.id)
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if err != nil {
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t.Fatal("failed to revoke lease:", err)
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}
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if le.get(l.id) != nil {
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t.Errorf("got revoked lease %x", l.id)
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}
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wdeleted := []string{"foo_", "bar_zar"}
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if !reflect.DeepEqual(fd.deleted, wdeleted) {
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t.Errorf("deleted= %v, want %v", fd.deleted, wdeleted)
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}
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}
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// TestLessorRenew ensures Lessor can renew an existing lease.
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func TestLessorRenew(t *testing.T) {
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le := NewLessor(1, &fakeDeleteable{})
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l := le.Grant(time.Now().Add(5 * time.Second))
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le.Renew(l.id, time.Now().Add(100*time.Second))
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l = le.get(l.id)
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if l.expiry.Sub(time.Now()) < 95*time.Second {
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t.Errorf("failed to renew the lease for 100 seconds")
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}
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}
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type fakeDeleteable struct {
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deleted []string
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}
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func (fd *fakeDeleteable) DeleteRange(key, end []byte) (int64, int64) {
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fd.deleted = append(fd.deleted, string(key)+"_"+string(end))
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return 0, 0
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}
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