suite_test.go

Documentation: github.com/chaos-mesh/chaos-mesh/cmd/chaos-controller-manager/provider

     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  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  
    16  package provider
    17  
    18  import (
    19  	"context"
    20  	"os"
    21  	"path/filepath"
    22  	"testing"
    23  	"time"
    24  
    25  	"github.com/go-logr/logr"
    26  	. "github.com/onsi/ginkgo/v2"
    27  	. "github.com/onsi/gomega"
    28  	"go.uber.org/fx"
    29  	k8sScheme "k8s.io/client-go/kubernetes/scheme"
    30  	"k8s.io/client-go/rest"
    31  	ctrl "sigs.k8s.io/controller-runtime"
    32  	"sigs.k8s.io/controller-runtime/pkg/client"
    33  	"sigs.k8s.io/controller-runtime/pkg/envtest"
    34  	logf "sigs.k8s.io/controller-runtime/pkg/log"
    35  
    36  	"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
    37  	"github.com/chaos-mesh/chaos-mesh/controllers/utils/test/manager"
    38  	"github.com/chaos-mesh/chaos-mesh/pkg/log"
    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 cfg *rest.Config
    46  var k8sClient client.Client
    47  var mgr ctrl.Manager
    48  var testEnv *envtest.Environment
    49  var setupLog = ctrl.Log.WithName("setup")
    50  
    51  func TestProvider(t *testing.T) {
    52  	RegisterFailHandler(Fail)
    53  
    54  	RunSpecs(t, "Provider suit")
    55  }
    56  
    57  var _ = BeforeSuite(func(ctx SpecContext) {
    58  	logf.SetLogger(log.NewZapLoggerWithWriter(GinkgoWriter))
    59  	By("bootstrapping test environment")
    60  	t := true
    61  	if os.Getenv("USE_EXISTING_CLUSTER") == "true" {
    62  		testEnv = &envtest.Environment{
    63  			UseExistingCluster: &t,
    64  		}
    65  	} else {
    66  		testEnv = &envtest.Environment{
    67  			CRDDirectoryPaths: []string{filepath.Join("..", "..", "config", "crd", "bases")},
    68  		}
    69  	}
    70  
    71  	err := v1alpha1.SchemeBuilder.AddToScheme(k8sScheme.Scheme)
    72  	Expect(err).NotTo(HaveOccurred())
    73  
    74  	cfg, err = testEnv.Start()
    75  	Expect(err).ToNot(HaveOccurred())
    76  	Expect(cfg).ToNot(BeNil())
    77  
    78  	rootLogger, err := log.NewDefaultZapLogger()
    79  	Expect(err).ToNot(HaveOccurred())
    80  
    81  	app = fx.New(
    82  		fx.Options(
    83  			fx.Supply(cfg),
    84  			fx.Supply(rootLogger),
    85  			fx.Provide(
    86  				NewOption,
    87  				NewClient,
    88  				manager.NewTestManager,
    89  				NewAuthCli,
    90  				NewScheme,
    91  			),
    92  		),
    93  		fx.Populate(&k8sClient),
    94  		fx.Populate(&mgr),
    95  		fx.Invoke(Run),
    96  	)
    97  	startCtx, cancel := context.WithTimeout(context.Background(), app.StartTimeout())
    98  	defer cancel()
    99  	Expect(err).ToNot(HaveOccurred())
   100  	Expect(k8sClient).ToNot(BeNil())
   101  
   102  	if err := app.Start(startCtx); err != nil {
   103  		setupLog.Error(err, "fail to start manager")
   104  	}
   105  	Expect(err).ToNot(HaveOccurred())
   106  
   107  }, NodeTimeout(60*time.Second))
   108  
   109  var _ = AfterSuite(func() {
   110  	By("tearing down the test environment")
   111  	stopCtx, cancel := context.WithTimeout(context.Background(), app.StopTimeout())
   112  	defer cancel()
   113  
   114  	if err := app.Stop(stopCtx); err != nil {
   115  		setupLog.Error(err, "fail to stop manager")
   116  	}
   117  	err := testEnv.Stop()
   118  	Expect(err).ToNot(HaveOccurred())
   119  })
   120  
   121  type RunParams struct {
   122  	fx.In
   123  
   124  	Mgr    ctrl.Manager
   125  	Logger logr.Logger
   126  	Client client.Client
   127  }
   128  
   129  func Run(params RunParams) error {
   130  	return nil
   131  }
   132