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testrunner.go
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testrunner.go
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/*
Copyright 2021 The Dapr Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package runner
import (
"fmt"
"log"
"os"
corev1 "k8s.io/api/core/v1"
configurationv1alpha1 "github.com/dapr/dapr/pkg/apis/configuration/v1alpha1"
kube "github.com/dapr/dapr/tests/platforms/kubernetes"
)
// runnerFailExitCode is the exit code when test runner setup is failed.
const runnerFailExitCode = 1
// runnable is an interface to implement testing.M.
type runnable interface {
Run() int
}
type LoadTester interface {
Run(platform PlatformInterface) error
}
// PlatformInterface defines the testing platform for test runner.
//
//nolint:interfacebloat
type PlatformInterface interface {
Setup() error
TearDown() error
AddComponents(comps []kube.ComponentDescription) error
AddApps(apps []kube.AppDescription) error
AddSecrets(secrets []kube.SecretDescription) error
AcquireAppExternalURL(name string) string
GetAppHostDetails(name string) (string, string, error)
Restart(name string) error
Scale(name string, replicas int32) error
PortForwardToApp(appName string, targetPort ...int) ([]int, error)
SetAppEnv(appName, key, value string) error
GetAppUsage(appName string) (*AppUsage, error)
GetSidecarUsage(appName string) (*AppUsage, error)
GetTotalRestarts(appname string) (int, error)
GetConfiguration(name string) (*configurationv1alpha1.Configuration, error)
GetService(name string) (*corev1.Service, error)
LoadTest(loadtester LoadTester) error
}
// AppUsage holds the CPU and Memory information for the application.
type AppUsage struct {
CPUm int64
MemoryMb float64
}
// TestRunner holds initial test apps and testing platform instance
// maintains apps and platform for e2e test.
type TestRunner struct {
// id is test runner id which will be used for logging
id string
components []kube.ComponentDescription
// Initialization apps to be deployed before the test apps
initApps []kube.AppDescription
// TODO: Needs to define kube.AppDescription more general struct for Dapr app
testApps []kube.AppDescription
// secrets is the list of secrets to be created in the cluster
secrets []kube.SecretDescription
// Platform is the testing platform instances
Platform PlatformInterface
}
// NewTestRunner returns TestRunner instance for e2e test.
func NewTestRunner(id string, apps []kube.AppDescription,
comps []kube.ComponentDescription,
initApps []kube.AppDescription,
) *TestRunner {
return &TestRunner{
id: id,
components: comps,
initApps: initApps,
testApps: apps,
Platform: NewKubeTestPlatform(),
}
}
func (tr *TestRunner) AddSecrets(secrets []kube.SecretDescription) {
tr.secrets = secrets
}
// Start is the entry point of Dapr test runner.
func (tr *TestRunner) Start(m runnable) int {
// TODO: Add logging and reporting initialization
// Setup testing platform
log.Println("Running setup...")
err := tr.Platform.Setup()
defer func() {
log.Println("Running teardown...")
tr.TearDown()
}()
if err != nil {
fmt.Fprintf(os.Stderr, "Failed Platform.setup(), %s", err.Error())
return runnerFailExitCode
}
if tr.secrets != nil && len(tr.secrets) > 0 {
if err := tr.Platform.AddSecrets(tr.secrets); err != nil {
fmt.Fprintf(os.Stderr, "Failed Platform.addSecrets(), %s", err.Error())
return runnerFailExitCode
}
}
// Install components.
if tr.components != nil && len(tr.components) > 0 {
log.Println("Installing components...")
if err := tr.Platform.AddComponents(tr.components); err != nil {
fmt.Fprintf(os.Stderr, "Failed Platform.addComponents(), %s", err.Error())
return runnerFailExitCode
}
}
// Install init apps. Init apps will be deployed before the main
// test apps and can be used to initialize components and perform
// other setup work.
if tr.initApps != nil && len(tr.initApps) > 0 {
log.Println("Installing init apps...")
if err := tr.Platform.AddApps(tr.initApps); err != nil {
fmt.Fprintf(os.Stderr, "Failed Platform.addInitApps(), %s", err.Error())
return runnerFailExitCode
}
}
// Install test apps. These are the main apps that provide the actual testing.
if tr.testApps != nil && len(tr.testApps) > 0 {
log.Println("Installing test apps...")
if err := tr.Platform.AddApps(tr.testApps); err != nil {
fmt.Fprintf(os.Stderr, "Failed Platform.addApps(), %s", err.Error())
return runnerFailExitCode
}
}
// Executes Test* methods in *_test.go
log.Println("Running tests...")
return m.Run()
}
func (tr *TestRunner) TearDown() {
// Tearing down platform
tr.Platform.TearDown()
// TODO: Add the resources which will be tearing down
}