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dab76ef8de
Many helper packages need to know the test namespace in addition to the client. Supporting passing of that information through the TContext avoids adding another parameter to such helper packages. This mirrors similar functionality in framework.Framework which also provides a namespace to the test and packages taking such a parameter.
138 lines
3.8 KiB
Go
138 lines
3.8 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/onsi/gomega"
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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 TestParallel(t *testing.T) {
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var wg sync.WaitGroup
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wg.Add(3)
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tCtx := ktesting.Init(t)
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// Each sub-test runs in parallel to the others and waits for the other two.
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test := func(tCtx ktesting.TContext) {
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tCtx.Parallel()
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wg.Done()
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wg.Wait()
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}
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tCtx.Run("one", test)
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tCtx.Run("two", test)
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tCtx.Run("three", test)
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}
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func TestRun(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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tCtx.Run("sub", func(tCtx ktesting.TContext) {
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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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<-tCtx.Done()
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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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func TestWithNamespace(t *testing.T) {
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tCtx := ktesting.Init(t)
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namespace := "foo"
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tCtxWithNamespace := tCtx.WithNamespace(namespace)
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tCtx.Expect(tCtxWithNamespace.Namespace()).To(gomega.Equal(namespace))
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}
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