mirror of https://github.com/knative/pkg.git
140 lines
3.4 KiB
Go
140 lines
3.4 KiB
Go
/*
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Copyright 2019 The Knative 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 webhook
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import (
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"context"
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"crypto/tls"
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"net"
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"testing"
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"time"
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"golang.org/x/sync/errgroup"
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// Make system.Namespace() work in tests.
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_ "knative.dev/pkg/system/testing"
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. "knative.dev/pkg/reconciler/testing"
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)
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func newDefaultOptions() Options {
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return Options{
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ServiceName: "webhook",
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Port: 8443,
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SecretName: "webhook-certs",
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}
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}
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func newCustomOptions() Options {
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return Options{
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ServiceName: "webhook",
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Port: 8443,
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SecretName: "webhook-certs",
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ServerPrivateKeyName: "tls.key",
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ServerCertificateName: "tls.crt",
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}
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}
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const (
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testResourceName = "test-resource"
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user1 = "brutto@knative.dev"
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)
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func newNonRunningTestWebhook(t *testing.T, options Options, acs ...interface{}) (
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ctx context.Context, ac *Webhook, cancel context.CancelFunc,
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) {
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t.Helper()
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// override the grace period so it drains quickly
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options.GracePeriod = 100 * time.Millisecond
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// Create fake clients
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ctx, ctxCancel, informers := SetupFakeContextWithCancel(t)
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ctx = WithOptions(ctx, options)
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stopCb, err := RunAndSyncInformers(ctx, informers...)
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if err != nil {
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t.Fatal("StartInformers() =", err)
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}
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cancel = func() {
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ctxCancel()
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stopCb()
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}
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ac, err = New(ctx, acs)
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if err != nil {
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t.Fatal("Failed to create new admission controller:", err)
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}
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return
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}
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func TestRegistrationStopChanFire(t *testing.T) {
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wh, serverURL, _, cancel, err := testSetupNoTLS(t)
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if err != nil {
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t.Fatal("testSetup() =", err)
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}
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defer cancel()
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stopCh := make(chan struct{})
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var g errgroup.Group
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g.Go(func() error {
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return wh.Run(stopCh)
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})
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close(stopCh)
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if err := g.Wait(); err != nil {
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t.Fatal("Error during run: ", err)
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}
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conn, err := net.Dial("tcp", serverURL)
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if err == nil {
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conn.Close()
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t.Error("Unexpected success to dial to ", serverURL)
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}
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}
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func newAdmissionControllerWebhook(t *testing.T, options Options, acs ...interface{}) (*Webhook, error) {
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ctx, cancel, _ := SetupFakeContextWithCancel(t)
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defer cancel()
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ctx = WithOptions(ctx, options)
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return New(ctx, acs)
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}
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func TestTLSMinVersionWebhookOption(t *testing.T) {
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opts := newDefaultOptions()
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t.Run("when TLSMinVersion is not configured, and the default is used", func(t *testing.T) {
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_, err := newAdmissionControllerWebhook(t, opts)
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if err != nil {
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t.Fatal("Unexpected error", err)
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}
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})
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t.Run("when the TLS minimum version configured is supported", func(t *testing.T) {
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opts.TLSMinVersion = tls.VersionTLS12
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_, err := newAdmissionControllerWebhook(t, opts)
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if err != nil {
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t.Fatal("Unexpected error", err)
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}
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})
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t.Run("when the TLS minimum version configured is not supported", func(t *testing.T) {
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opts.TLSMinVersion = tls.VersionTLS11
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_, err := newAdmissionControllerWebhook(t, opts)
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if err == nil {
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t.Fatal("Admission Controller Webhook creation expected to fail due to unsupported TLS version")
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}
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})
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}
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