mirror of https://github.com/k3s-io/k3s
121 lines
3.1 KiB
Go
121 lines
3.1 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package watch
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import (
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"errors"
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"strings"
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"testing"
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"time"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/util/wait"
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)
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func TestUntil(t *testing.T) {
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fw := NewFake()
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go func() {
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var obj *api.Pod
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fw.Add(obj)
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fw.Modify(obj)
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}()
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conditions := []ConditionFunc{
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func(event Event) (bool, error) { return event.Type == Added, nil },
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func(event Event) (bool, error) { return event.Type == Modified, nil },
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}
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timeout := time.Minute
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lastEvent, err := Until(timeout, fw, conditions...)
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if err != nil {
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t.Fatalf("expected nil error, got %#v", err)
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}
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if lastEvent == nil {
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t.Fatal("expected an event")
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}
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if lastEvent.Type != Modified {
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t.Fatalf("expected MODIFIED event type, got %v", lastEvent.Type)
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}
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if got, isPod := lastEvent.Object.(*api.Pod); !isPod {
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t.Fatalf("expected a pod event, got %#v", got)
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}
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}
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func TestUntilMultipleConditions(t *testing.T) {
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fw := NewFake()
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go func() {
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var obj *api.Pod
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fw.Add(obj)
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}()
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conditions := []ConditionFunc{
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func(event Event) (bool, error) { return event.Type == Added, nil },
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func(event Event) (bool, error) { return event.Type == Added, nil },
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}
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timeout := time.Minute
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lastEvent, err := Until(timeout, fw, conditions...)
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if err != nil {
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t.Fatalf("expected nil error, got %#v", err)
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}
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if lastEvent == nil {
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t.Fatal("expected an event")
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}
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if lastEvent.Type != Added {
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t.Fatalf("expected MODIFIED event type, got %v", lastEvent.Type)
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}
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if got, isPod := lastEvent.Object.(*api.Pod); !isPod {
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t.Fatalf("expected a pod event, got %#v", got)
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}
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}
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func TestUntilTimeout(t *testing.T) {
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fw := NewFake()
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conditions := []ConditionFunc{
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func(event Event) (bool, error) { return event.Type == Added, nil },
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}
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timeout := time.Duration(0)
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lastEvent, err := Until(timeout, fw, conditions...)
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if err != wait.ErrWaitTimeout {
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t.Fatalf("expected ErrWaitTimeout error, got %#v", err)
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}
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if lastEvent != nil {
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t.Fatalf("expected nil event, got %#v", lastEvent)
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}
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}
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func TestUntilErrorCondition(t *testing.T) {
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fw := NewFake()
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go func() {
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var obj *api.Pod
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fw.Add(obj)
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}()
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expected := "something bad"
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conditions := []ConditionFunc{
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func(event Event) (bool, error) { return event.Type == Added, nil },
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func(event Event) (bool, error) { return false, errors.New(expected) },
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}
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timeout := time.Minute
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_, err := Until(timeout, fw, conditions...)
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if err == nil {
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t.Fatal("expected an error")
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}
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if !strings.Contains(err.Error(), expected) {
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t.Fatalf("expected %q in error string, got %q", expected, err.Error())
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}
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}
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