4cb4228522
In particular ExpectNoError needed testing, as it was unused so far and not functional in its initial implementation.
115 lines
3.2 KiB
Go
115 lines
3.2 KiB
Go
/*
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Copyright 2023 The Kubernetes Authors.
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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 ktesting_test
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import (
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"sync"
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"testing"
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"github.com/stretchr/testify/assert"
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apiextensions "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
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"k8s.io/client-go/dynamic"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/restmapper"
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"k8s.io/klog/v2"
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"k8s.io/kubernetes/test/utils/ktesting"
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)
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func TestCancelManual(t *testing.T) {
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tCtx := ktesting.Init(t)
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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defer wg.Done()
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// Blocks until tCtx.Cancel is called below.
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<-tCtx.Done()
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}()
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tCtx.Cancel("manually canceled")
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wg.Wait()
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}
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func TestCancelAutomatic(t *testing.T) {
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var wg sync.WaitGroup
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// This callback gets registered first and thus
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// gets invoked last.
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t.Cleanup(wg.Wait)
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tCtx := ktesting.Init(t)
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wg.Add(1)
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go func() {
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defer wg.Done()
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// Blocks until the context gets canceled automatically.
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<-tCtx.Done()
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}()
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}
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func TestCancelCtx(t *testing.T) {
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tCtx := ktesting.Init(t)
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var discardLogger klog.Logger
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tCtx = ktesting.WithLogger(tCtx, discardLogger)
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tCtx = ktesting.WithRESTConfig(tCtx, new(rest.Config))
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baseCtx := tCtx
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tCtx.Cleanup(func() {
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if tCtx.Err() == nil {
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t.Error("context should be canceled but isn't")
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}
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})
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tCtx.CleanupCtx(func(tCtx ktesting.TContext) {
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if tCtx.Err() != nil {
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t.Errorf("context should not be canceled but is: %v", tCtx.Err())
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}
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assert.Equal(t, baseCtx.Logger(), tCtx.Logger(), "Logger()")
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assert.Equal(t, baseCtx.RESTConfig(), tCtx.RESTConfig(), "RESTConfig()")
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assert.Equal(t, baseCtx.RESTMapper(), tCtx.RESTMapper(), "RESTMapper()")
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assert.Equal(t, baseCtx.Client(), tCtx.Client(), "Client()")
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assert.Equal(t, baseCtx.Dynamic(), tCtx.Dynamic(), "Dynamic()")
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assert.Equal(t, baseCtx.APIExtensions(), tCtx.APIExtensions(), "APIExtensions()")
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})
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// Cancel, then let testing.T invoke test cleanup.
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tCtx.Cancel("test is complete")
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}
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func TestWithTB(t *testing.T) {
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tCtx := ktesting.Init(t)
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cfg := new(rest.Config)
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mapper := new(restmapper.DeferredDiscoveryRESTMapper)
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client := clientset.New(nil)
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dynamic := dynamic.New(nil)
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apiextensions := apiextensions.New(nil)
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tCtx = ktesting.WithClients(tCtx, cfg, mapper, client, dynamic, apiextensions)
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t.Run("sub", func(t *testing.T) {
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tCtx := ktesting.WithTB(tCtx, t)
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assert.Equal(t, cfg, tCtx.RESTConfig(), "RESTConfig")
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assert.Equal(t, mapper, tCtx.RESTMapper(), "RESTMapper")
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assert.Equal(t, client, tCtx.Client(), "Client")
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assert.Equal(t, dynamic, tCtx.Dynamic(), "Dynamic")
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assert.Equal(t, apiextensions, tCtx.APIExtensions(), "APIExtensions")
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tCtx.Cancel("test is complete")
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})
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if err := tCtx.Err(); err != nil {
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t.Errorf("parent TContext should not have been cancelled: %v", err)
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}
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}
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