suit_test.go

Documentation: github.com/chaos-mesh/chaos-mesh/controllers/desiredphase

     1  // Copyright 2021 Chaos Mesh Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package desiredphase
    15  
    16  import (
    17  	"context"
    18  	"os"
    19  	"path/filepath"
    20  	"testing"
    21  
    22  	"github.com/go-logr/logr"
    23  	. "github.com/onsi/ginkgo"
    24  	. "github.com/onsi/gomega"
    25  	"go.uber.org/fx"
    26  	"k8s.io/client-go/rest"
    27  	"k8s.io/kubectl/pkg/scheme"
    28  	ctrl "sigs.k8s.io/controller-runtime"
    29  	"sigs.k8s.io/controller-runtime/pkg/client"
    30  	"sigs.k8s.io/controller-runtime/pkg/envtest"
    31  	"sigs.k8s.io/controller-runtime/pkg/envtest/printer"
    32  	logf "sigs.k8s.io/controller-runtime/pkg/log"
    33  	"sigs.k8s.io/controller-runtime/pkg/log/zap"
    34  
    35  	"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
    36  	"github.com/chaos-mesh/chaos-mesh/controllers/schedule/utils"
    37  	"github.com/chaos-mesh/chaos-mesh/controllers/types"
    38  	"github.com/chaos-mesh/chaos-mesh/controllers/utils/test"
    39  )
    40  
    41  // These tests use Ginkgo (BDD-style Go testing framework). Refer to
    42  // http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
    43  
    44  var app *fx.App
    45  var k8sClient client.Client
    46  var lister *utils.ActiveLister
    47  var config *rest.Config
    48  var testEnv *envtest.Environment
    49  var setupLog = ctrl.Log.WithName("setup")
    50  
    51  func TestDesiredPhase(t *testing.T) {
    52  	RegisterFailHandler(Fail)
    53  
    54  	RunSpecsWithDefaultAndCustomReporters(t,
    55  		"Desired Phase suit",
    56  		[]Reporter{printer.NewlineReporter{}})
    57  }
    58  
    59  var _ = BeforeSuite(func() {
    60  	logf.SetLogger(zap.New(zap.WriteTo(GinkgoWriter), zap.UseDevMode(true)))
    61  	By("bootstrapping test environment")
    62  	t := true
    63  	if os.Getenv("USE_EXISTING_CLUSTER") == "true" {
    64  		testEnv = &envtest.Environment{
    65  			UseExistingCluster: &t,
    66  		}
    67  	} else {
    68  		testEnv = &envtest.Environment{
    69  			CRDDirectoryPaths: []string{filepath.Join("..", "..", "config", "crd", "bases")},
    70  		}
    71  	}
    72  
    73  	err := v1alpha1.SchemeBuilder.AddToScheme(scheme.Scheme)
    74  	Expect(err).NotTo(HaveOccurred())
    75  
    76  	config, err = testEnv.Start()
    77  	Expect(err).ToNot(HaveOccurred())
    78  	Expect(config).ToNot(BeNil())
    79  
    80  	k8sClient, err = client.New(config, client.Options{Scheme: scheme.Scheme})
    81  	Expect(err).ToNot(HaveOccurred())
    82  	Expect(k8sClient).ToNot(BeNil())
    83  
    84  	app = fx.New(
    85  		fx.Options(
    86  			test.Module,
    87  			fx.Provide(
    88  				fx.Annotated{
    89  					Group:  "controller",
    90  					Target: NewController,
    91  				},
    92  			),
    93  			fx.Supply(config),
    94  			types.ChaosObjects,
    95  		),
    96  		fx.Invoke(Run),
    97  	)
    98  	startCtx, cancel := context.WithTimeout(context.Background(), app.StartTimeout())
    99  	defer cancel()
   100  
   101  	if err := app.Start(startCtx); err != nil {
   102  		setupLog.Error(err, "fail to start manager")
   103  	}
   104  	Expect(err).ToNot(HaveOccurred())
   105  
   106  }, 60)
   107  
   108  var _ = AfterSuite(func() {
   109  	By("tearing down the test environment")
   110  	stopCtx, cancel := context.WithTimeout(context.Background(), app.StopTimeout())
   111  	defer cancel()
   112  
   113  	if err := app.Stop(stopCtx); err != nil {
   114  		setupLog.Error(err, "fail to stop manager")
   115  	}
   116  	err := testEnv.Stop()
   117  	Expect(err).ToNot(HaveOccurred())
   118  })
   119  
   120  type RunParams struct {
   121  	fx.In
   122  
   123  	Mgr    ctrl.Manager
   124  	Logger logr.Logger
   125  
   126  	Controllers []types.Controller `group:"controller"`
   127  	Objs        []types.Object     `group:"objs"`
   128  }
   129  
   130  func Run(params RunParams) error {
   131  	lister = utils.NewActiveLister(k8sClient, params.Logger)
   132  	return nil
   133  }
   134