ContainerImage.Pinniped/internal/kubeclient/kubeclient_test.go
Monis Khan abc941097c
Add WhoAmIRequest Aggregated Virtual REST API
This change adds a new virtual aggregated API that can be used by
any user to echo back who they are currently authenticated as.  This
has general utility to end users and can be used in tests to
validate if authentication was successful.

Signed-off-by: Monis Khan <mok@vmware.com>
2021-02-22 20:02:41 -05:00

898 lines
30 KiB
Go

// Copyright 2021 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package kubeclient
import (
"context"
"fmt"
"io"
"net"
"net/http"
"runtime"
"strings"
"testing"
"github.com/stretchr/testify/require"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/client-go/rest"
"k8s.io/client-go/transport"
apiregistrationv1 "k8s.io/kube-aggregator/pkg/apis/apiregistration/v1"
conciergeconfigv1alpha1 "go.pinniped.dev/generated/latest/apis/concierge/config/v1alpha1"
supervisorconfigv1alpha1 "go.pinniped.dev/generated/latest/apis/supervisor/config/v1alpha1"
"go.pinniped.dev/internal/testutil/fakekubeapi"
)
const (
someClusterName = "some cluster name"
)
var (
podGVK = corev1.SchemeGroupVersion.WithKind("Pod")
goodPod = &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "good-pod",
Namespace: "good-namespace",
},
}
apiServiceGVK = apiregistrationv1.SchemeGroupVersion.WithKind("APIService")
goodAPIService = &apiregistrationv1.APIService{
ObjectMeta: metav1.ObjectMeta{
Name: "good-api-service",
},
}
credentialIssuerGVK = conciergeconfigv1alpha1.SchemeGroupVersion.WithKind("CredentialIssuer")
goodCredentialIssuer = &conciergeconfigv1alpha1.CredentialIssuer{
ObjectMeta: metav1.ObjectMeta{
Name: "good-credential-issuer",
},
}
federationDomainGVK = supervisorconfigv1alpha1.SchemeGroupVersion.WithKind("FederationDomain")
goodFederationDomain = &supervisorconfigv1alpha1.FederationDomain{
ObjectMeta: metav1.ObjectMeta{
Name: "good-federation-domain",
Namespace: "good-namespace",
},
}
middlewareAnnotations = map[string]string{"some-annotation": "thing 1"}
middlewareLabels = map[string]string{"some-label": "thing 2"}
)
func TestKubeclient(t *testing.T) {
// plog.ValidateAndSetLogLevelGlobally(plog.LevelDebug) // uncomment me to get some more debug logs
tests := []struct {
name string
editRestConfig func(t *testing.T, restConfig *rest.Config)
middlewares func(t *testing.T) []*spyMiddleware
reallyRunTest func(t *testing.T, c *Client)
wantMiddlewareReqs, wantMiddlewareResps [][]Object
}{
{
name: "crud core api",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newAnnotationMiddleware(t), newLabelMiddleware(t)}
},
reallyRunTest: func(t *testing.T, c *Client) {
// create
pod, err := c.Kubernetes.
CoreV1().
Pods(goodPod.Namespace).
Create(context.Background(), goodPod, metav1.CreateOptions{})
require.NoError(t, err)
require.Equal(t, goodPod, pod)
// read
pod, err = c.Kubernetes.
CoreV1().
Pods(pod.Namespace).
Get(context.Background(), pod.Name, metav1.GetOptions{})
require.NoError(t, err)
require.Equal(t, with(goodPod, annotations(), labels()), pod)
// read when not found
_, err = c.Kubernetes.
CoreV1().
Pods(pod.Namespace).
Get(context.Background(), "this-pod-does-not-exist", metav1.GetOptions{})
require.EqualError(t, err, `couldn't find object for path "/api/v1/namespaces/good-namespace/pods/this-pod-does-not-exist"`)
// update
goodPodWithAnnotationsAndLabelsAndClusterName := with(goodPod, annotations(), labels(), clusterName()).(*corev1.Pod)
pod, err = c.Kubernetes.
CoreV1().
Pods(pod.Namespace).
Update(context.Background(), goodPodWithAnnotationsAndLabelsAndClusterName, metav1.UpdateOptions{})
require.NoError(t, err)
require.Equal(t, goodPodWithAnnotationsAndLabelsAndClusterName, pod)
// delete
err = c.Kubernetes.
CoreV1().
Pods(pod.Namespace).
Delete(context.Background(), pod.Name, metav1.DeleteOptions{})
require.NoError(t, err)
},
wantMiddlewareReqs: [][]Object{
{
with(goodPod, gvk(podGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(podGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(podGVK)),
with(goodPod, annotations(), labels(), clusterName(), gvk(podGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(podGVK)),
},
{
with(goodPod, annotations(), gvk(podGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(podGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(podGVK)),
with(goodPod, annotations(), labels(), clusterName(), gvk(podGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(podGVK)),
},
},
wantMiddlewareResps: [][]Object{
{
with(goodPod, annotations(), labels(), gvk(podGVK)),
with(goodPod, annotations(), labels(), gvk(podGVK)),
with(goodPod, annotations(), labels(), clusterName(), gvk(podGVK)),
},
{
with(goodPod, emptyAnnotations(), labels(), gvk(podGVK)),
with(goodPod, annotations(), labels(), gvk(podGVK)),
with(goodPod, annotations(), labels(), clusterName(), gvk(podGVK)),
},
},
},
{
name: "crud core api without middlewares",
reallyRunTest: func(t *testing.T, c *Client) {
// create
pod, err := c.Kubernetes.
CoreV1().
Pods(goodPod.Namespace).
Create(context.Background(), goodPod, metav1.CreateOptions{})
require.NoError(t, err)
require.Equal(t, goodPod, pod)
// read
pod, err = c.Kubernetes.
CoreV1().
Pods(pod.Namespace).
Get(context.Background(), pod.Name, metav1.GetOptions{})
require.NoError(t, err)
require.Equal(t, with(goodPod), pod)
// update
pod, err = c.Kubernetes.
CoreV1().
Pods(pod.Namespace).
Update(context.Background(), goodPod, metav1.UpdateOptions{})
require.NoError(t, err)
require.Equal(t, goodPod, pod)
// delete
err = c.Kubernetes.
CoreV1().
Pods(pod.Namespace).
Delete(context.Background(), pod.Name, metav1.DeleteOptions{})
require.NoError(t, err)
},
},
{
name: "crud aggregation api",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newAnnotationMiddleware(t), newLabelMiddleware(t)}
},
reallyRunTest: func(t *testing.T, c *Client) {
// create
apiService, err := c.Aggregation.
ApiregistrationV1().
APIServices().
Create(context.Background(), goodAPIService, metav1.CreateOptions{})
require.NoError(t, err)
require.Equal(t, goodAPIService, apiService)
// read
apiService, err = c.Aggregation.
ApiregistrationV1().
APIServices().
Get(context.Background(), apiService.Name, metav1.GetOptions{})
require.NoError(t, err)
require.Equal(t, with(goodAPIService, annotations(), labels()), apiService)
// update
goodAPIServiceWithAnnotationsAndLabelsAndClusterName := with(goodAPIService, annotations(), labels(), clusterName()).(*apiregistrationv1.APIService)
apiService, err = c.Aggregation.
ApiregistrationV1().
APIServices().
Update(context.Background(), goodAPIServiceWithAnnotationsAndLabelsAndClusterName, metav1.UpdateOptions{})
require.NoError(t, err)
require.Equal(t, goodAPIServiceWithAnnotationsAndLabelsAndClusterName, apiService)
// delete
err = c.Aggregation.
ApiregistrationV1().
APIServices().
Delete(context.Background(), apiService.Name, metav1.DeleteOptions{})
require.NoError(t, err)
},
wantMiddlewareReqs: [][]Object{
{
with(goodAPIService, gvk(apiServiceGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(apiServiceGVK)),
with(goodAPIService, annotations(), labels(), clusterName(), gvk(apiServiceGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(apiServiceGVK)),
},
{
with(goodAPIService, annotations(), gvk(apiServiceGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(apiServiceGVK)),
with(goodAPIService, annotations(), labels(), clusterName(), gvk(apiServiceGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(apiServiceGVK)),
},
},
wantMiddlewareResps: [][]Object{
{
with(goodAPIService, annotations(), labels(), gvk(apiServiceGVK)),
with(goodAPIService, annotations(), labels(), gvk(apiServiceGVK)),
with(goodAPIService, annotations(), labels(), clusterName(), gvk(apiServiceGVK)),
},
{
with(goodAPIService, emptyAnnotations(), labels(), gvk(apiServiceGVK)),
with(goodAPIService, annotations(), labels(), gvk(apiServiceGVK)),
with(goodAPIService, annotations(), labels(), clusterName(), gvk(apiServiceGVK)),
},
},
},
{
name: "crud concierge api",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newAnnotationMiddleware(t), newLabelMiddleware(t)}
},
reallyRunTest: func(t *testing.T, c *Client) {
// create
tokenCredentialRequest, err := c.PinnipedConcierge.
ConfigV1alpha1().
CredentialIssuers().
Create(context.Background(), goodCredentialIssuer, metav1.CreateOptions{})
require.NoError(t, err)
require.Equal(t, goodCredentialIssuer, tokenCredentialRequest)
// read
tokenCredentialRequest, err = c.PinnipedConcierge.
ConfigV1alpha1().
CredentialIssuers().
Get(context.Background(), tokenCredentialRequest.Name, metav1.GetOptions{})
require.NoError(t, err)
require.Equal(t, with(goodCredentialIssuer, annotations(), labels()), tokenCredentialRequest)
// update
goodCredentialIssuerWithAnnotationsAndLabelsAndClusterName := with(goodCredentialIssuer, annotations(), labels(), clusterName()).(*conciergeconfigv1alpha1.CredentialIssuer)
tokenCredentialRequest, err = c.PinnipedConcierge.
ConfigV1alpha1().
CredentialIssuers().
Update(context.Background(), goodCredentialIssuerWithAnnotationsAndLabelsAndClusterName, metav1.UpdateOptions{})
require.NoError(t, err)
require.Equal(t, goodCredentialIssuerWithAnnotationsAndLabelsAndClusterName, tokenCredentialRequest)
// delete
err = c.PinnipedConcierge.
ConfigV1alpha1().
CredentialIssuers().
Delete(context.Background(), tokenCredentialRequest.Name, metav1.DeleteOptions{})
require.NoError(t, err)
},
wantMiddlewareReqs: [][]Object{
{
with(goodCredentialIssuer, gvk(credentialIssuerGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(credentialIssuerGVK)),
with(goodCredentialIssuer, annotations(), labels(), clusterName(), gvk(credentialIssuerGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(credentialIssuerGVK)),
},
{
with(goodCredentialIssuer, annotations(), gvk(credentialIssuerGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(credentialIssuerGVK)),
with(goodCredentialIssuer, annotations(), labels(), clusterName(), gvk(credentialIssuerGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(credentialIssuerGVK)),
},
},
wantMiddlewareResps: [][]Object{
{
with(goodCredentialIssuer, annotations(), labels(), gvk(credentialIssuerGVK)),
with(goodCredentialIssuer, annotations(), labels(), gvk(credentialIssuerGVK)),
with(goodCredentialIssuer, annotations(), labels(), clusterName(), gvk(credentialIssuerGVK)),
},
{
with(goodCredentialIssuer, emptyAnnotations(), labels(), gvk(credentialIssuerGVK)),
with(goodCredentialIssuer, annotations(), labels(), gvk(credentialIssuerGVK)),
with(goodCredentialIssuer, annotations(), labels(), clusterName(), gvk(credentialIssuerGVK)),
},
},
},
{
name: "crud supervisor api",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newAnnotationMiddleware(t), newLabelMiddleware(t)}
},
reallyRunTest: func(t *testing.T, c *Client) {
// create
federationDomain, err := c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(goodFederationDomain.Namespace).
Create(context.Background(), goodFederationDomain, metav1.CreateOptions{})
require.NoError(t, err)
require.Equal(t, goodFederationDomain, federationDomain)
// read
federationDomain, err = c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(federationDomain.Namespace).
Get(context.Background(), federationDomain.Name, metav1.GetOptions{})
require.NoError(t, err)
require.Equal(t, with(goodFederationDomain, annotations(), labels()), federationDomain)
// update
goodFederationDomainWithAnnotationsAndLabelsAndClusterName := with(goodFederationDomain, annotations(), labels(), clusterName()).(*supervisorconfigv1alpha1.FederationDomain)
federationDomain, err = c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(federationDomain.Namespace).
Update(context.Background(), goodFederationDomainWithAnnotationsAndLabelsAndClusterName, metav1.UpdateOptions{})
require.NoError(t, err)
require.Equal(t, goodFederationDomainWithAnnotationsAndLabelsAndClusterName, federationDomain)
// delete
err = c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(federationDomain.Namespace).
Delete(context.Background(), federationDomain.Name, metav1.DeleteOptions{})
require.NoError(t, err)
},
wantMiddlewareReqs: [][]Object{
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
with(goodFederationDomain, annotations(), labels(), clusterName(), gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
},
{
with(goodFederationDomain, annotations(), gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
with(goodFederationDomain, annotations(), labels(), clusterName(), gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
},
},
wantMiddlewareResps: [][]Object{
{
with(goodFederationDomain, annotations(), labels(), gvk(federationDomainGVK)),
with(goodFederationDomain, annotations(), labels(), gvk(federationDomainGVK)),
with(goodFederationDomain, annotations(), labels(), clusterName(), gvk(federationDomainGVK)),
},
{
with(goodFederationDomain, emptyAnnotations(), labels(), gvk(federationDomainGVK)),
with(goodFederationDomain, annotations(), labels(), gvk(federationDomainGVK)),
with(goodFederationDomain, annotations(), labels(), clusterName(), gvk(federationDomainGVK)),
},
},
},
{
name: "we don't call any middleware if there are no mutation funcs",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newSimpleMiddleware(t, false, false, false), newSimpleMiddleware(t, false, false, false)}
},
reallyRunTest: createGetFederationDomainTest,
wantMiddlewareReqs: [][]Object{nil, nil},
wantMiddlewareResps: [][]Object{nil, nil},
},
{
name: "we don't call any resp middleware if there was no req mutations done and there are no resp mutation funcs",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newSimpleMiddleware(t, true, false, false), newSimpleMiddleware(t, true, false, false)}
},
reallyRunTest: createGetFederationDomainTest,
wantMiddlewareReqs: [][]Object{
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
},
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
},
},
wantMiddlewareResps: [][]Object{nil, nil},
},
{
name: "we don't call any resp middleware if there are no resp mutation funcs even if there was req mutations done",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newSimpleMiddleware(t, true, true, false), newSimpleMiddleware(t, true, true, false)}
},
reallyRunTest: func(t *testing.T, c *Client) {
// create
federationDomain, err := c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(goodFederationDomain.Namespace).
Create(context.Background(), goodFederationDomain, metav1.CreateOptions{})
require.NoError(t, err)
require.Equal(t, with(goodFederationDomain, clusterName()), federationDomain)
// read
federationDomain, err = c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(federationDomain.Namespace).
Get(context.Background(), federationDomain.Name, metav1.GetOptions{})
require.NoError(t, err)
require.Equal(t, with(goodFederationDomain, clusterName()), federationDomain)
},
wantMiddlewareReqs: [][]Object{
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
},
{
with(goodFederationDomain, clusterName(), gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
},
},
wantMiddlewareResps: [][]Object{nil, nil},
},
{
name: "we still call resp middleware if there is a resp mutation func even if there were req mutation funcs",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newSimpleMiddleware(t, false, false, true), newSimpleMiddleware(t, false, false, true)}
},
reallyRunTest: createGetFederationDomainTest,
wantMiddlewareReqs: [][]Object{nil, nil},
wantMiddlewareResps: [][]Object{
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(goodFederationDomain, gvk(federationDomainGVK)),
},
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(goodFederationDomain, gvk(federationDomainGVK)),
},
},
},
{
name: "we still call resp middleware if there is a resp mutation func even if there was no req mutation",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newSimpleMiddleware(t, true, false, true), newSimpleMiddleware(t, true, false, true)}
},
reallyRunTest: createGetFederationDomainTest,
wantMiddlewareReqs: [][]Object{
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
},
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK)),
},
},
wantMiddlewareResps: [][]Object{
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(goodFederationDomain, gvk(federationDomainGVK)),
},
{
with(goodFederationDomain, gvk(federationDomainGVK)),
with(goodFederationDomain, gvk(federationDomainGVK)),
},
},
},
{
name: "mutating object meta on a get request is not allowed since that isn't pertinent to the api request",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{{
name: "non-pertinent mutater",
t: t,
mutateReq: func(rt RoundTrip, obj Object) error {
clusterName()(obj)
return nil
},
}}
},
reallyRunTest: func(t *testing.T, c *Client) {
_, err := c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(goodFederationDomain.Namespace).
Get(context.Background(), goodFederationDomain.Name, metav1.GetOptions{})
require.Error(t, err)
require.Contains(t, err.Error(), "invalid object meta mutation")
},
wantMiddlewareReqs: [][]Object{{with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK))}},
wantMiddlewareResps: [][]Object{nil},
},
{
name: "when the client gets errors from the api server",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{newSimpleMiddleware(t, true, false, false)}
},
editRestConfig: func(t *testing.T, restConfig *rest.Config) {
restConfig.Dial = func(_ context.Context, _, _ string) (net.Conn, error) {
return nil, fmt.Errorf("some fake connection error")
}
},
reallyRunTest: func(t *testing.T, c *Client) {
_, err := c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(goodFederationDomain.Namespace).
Get(context.Background(), goodFederationDomain.Name, metav1.GetOptions{})
require.Error(t, err)
require.Contains(t, err.Error(), ": some fake connection error")
},
wantMiddlewareReqs: [][]Object{{with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK))}},
wantMiddlewareResps: [][]Object{nil},
},
{
name: "when there are request middleware failures, we return an error and don't send the request",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{
// use 3 middleware to ensure that we collect all errors from all middlewares
newFailingMiddleware(t, "aaa", true, false),
newFailingMiddleware(t, "bbb", false, false),
newFailingMiddleware(t, "ccc", true, false),
}
},
reallyRunTest: func(t *testing.T, c *Client) {
_, err := c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(goodFederationDomain.Namespace).
Get(context.Background(), goodFederationDomain.Name, metav1.GetOptions{})
require.Error(t, err)
require.Contains(t, err.Error(), ": request mutation failed: [aaa: request error, ccc: request error]")
},
wantMiddlewareReqs: [][]Object{
{with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK))},
{with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK))},
{with(&metav1.PartialObjectMetadata{}, gvk(federationDomainGVK))},
},
wantMiddlewareResps: [][]Object{
nil,
nil,
nil,
},
},
{
name: "when there are response middleware failures, we return an error",
middlewares: func(t *testing.T) []*spyMiddleware {
return []*spyMiddleware{
// use 3 middleware to ensure that we collect all errors from all middlewares
newFailingMiddleware(t, "aaa", false, true),
newFailingMiddleware(t, "bbb", false, false),
newFailingMiddleware(t, "ccc", false, true),
}
},
reallyRunTest: func(t *testing.T, c *Client) {
_, err := c.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(goodFederationDomain.Namespace).
Create(context.Background(), goodFederationDomain, metav1.CreateOptions{})
require.Error(t, err)
require.Contains(t, err.Error(), ": response mutation failed: [aaa: response error, ccc: response error]")
},
wantMiddlewareReqs: [][]Object{
{with(goodFederationDomain, gvk(federationDomainGVK))},
{with(goodFederationDomain, gvk(federationDomainGVK))},
{with(goodFederationDomain, gvk(federationDomainGVK))},
},
wantMiddlewareResps: [][]Object{
{with(goodFederationDomain, gvk(federationDomainGVK))},
{with(goodFederationDomain, gvk(federationDomainGVK))},
{with(goodFederationDomain, gvk(federationDomainGVK))},
},
},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
server, restConfig := fakekubeapi.Start(t, nil)
defer server.Close()
if test.editRestConfig != nil {
test.editRestConfig(t, restConfig)
}
var middlewares []*spyMiddleware
if test.middlewares != nil {
middlewares = test.middlewares(t)
}
// our rt chain is:
// wantCloseReq -> kubeclient -> wantCloseResp -> http.DefaultTransport -> wantCloseResp -> kubeclient -> wantCloseReq
restConfig.Wrap(wantCloseRespWrapper(t))
opts := []Option{WithConfig(restConfig), WithTransportWrapper(wantCloseReqWrapper(t))}
for _, middleware := range middlewares {
opts = append(opts, WithMiddleware(middleware))
}
client, err := New(opts...)
require.NoError(t, err)
test.reallyRunTest(t, client)
for i, spyMiddleware := range middlewares {
require.Equalf(t, test.wantMiddlewareReqs[i], spyMiddleware.reqObjs, "unexpected req obj in middleware %q (index %d)", spyMiddleware.name, i)
require.Equalf(t, test.wantMiddlewareResps[i], spyMiddleware.respObjs, "unexpected resp obj in middleware %q (index %d)", spyMiddleware.name, i)
}
})
}
}
type spyMiddleware struct {
name string
t *testing.T
mutateReq func(RoundTrip, Object) error
mutateResp func(RoundTrip, Object) error
reqObjs []Object
respObjs []Object
}
func (s *spyMiddleware) Handle(_ context.Context, rt RoundTrip) {
s.t.Log(s.name, "handling", reqStr(rt, nil))
if s.mutateReq != nil {
rt.MutateRequest(func(obj Object) error {
s.t.Log(s.name, "mutating request", reqStr(rt, obj))
s.reqObjs = append(s.reqObjs, obj.DeepCopyObject().(Object))
return s.mutateReq(rt, obj)
})
}
if s.mutateResp != nil {
rt.MutateResponse(func(obj Object) error {
s.t.Log(s.name, "mutating response", reqStr(rt, obj))
s.respObjs = append(s.respObjs, obj.DeepCopyObject().(Object))
return s.mutateResp(rt, obj)
})
}
}
func reqStr(rt RoundTrip, obj Object) string {
b := strings.Builder{}
fmt.Fprintf(&b, "%s /%s", rt.Verb(), rt.Resource().GroupVersion())
if rt.NamespaceScoped() {
fmt.Fprintf(&b, "/namespaces/%s", rt.Namespace())
}
fmt.Fprintf(&b, "/%s", rt.Resource().Resource)
if obj != nil {
fmt.Fprintf(&b, "/%s", obj.GetName())
}
return b.String()
}
func newAnnotationMiddleware(t *testing.T) *spyMiddleware {
return &spyMiddleware{
name: "annotater",
t: t,
mutateReq: func(rt RoundTrip, obj Object) error {
if rt.Verb() == VerbCreate {
annotations()(obj)
}
return nil
},
mutateResp: func(rt RoundTrip, obj Object) error {
if rt.Verb() == VerbCreate {
for key := range middlewareAnnotations {
delete(obj.GetAnnotations(), key)
}
}
return nil
},
}
}
func newLabelMiddleware(t *testing.T) *spyMiddleware {
return &spyMiddleware{
name: "labeler",
t: t,
mutateReq: func(rt RoundTrip, obj Object) error {
if rt.Verb() == VerbCreate {
labels()(obj)
}
return nil
},
mutateResp: func(rt RoundTrip, obj Object) error {
if rt.Verb() == VerbCreate {
for key := range middlewareLabels {
delete(obj.GetLabels(), key)
}
}
return nil
},
}
}
func newSimpleMiddleware(t *testing.T, hasMutateReqFunc, mutatedReq, hasMutateRespFunc bool) *spyMiddleware {
m := &spyMiddleware{
name: "simple",
t: t,
}
if hasMutateReqFunc {
m.mutateReq = func(rt RoundTrip, obj Object) error {
if mutatedReq {
if rt.Verb() == VerbCreate {
obj.SetClusterName(someClusterName)
}
}
return nil
}
}
if hasMutateRespFunc {
m.mutateResp = func(rt RoundTrip, obj Object) error {
return nil
}
}
return m
}
func newFailingMiddleware(t *testing.T, name string, mutateReqFails, mutateRespFails bool) *spyMiddleware {
m := &spyMiddleware{
name: "failing-middleware-" + name,
t: t,
}
m.mutateReq = func(rt RoundTrip, obj Object) error {
if mutateReqFails {
return fmt.Errorf("%s: request error", name)
}
return nil
}
m.mutateResp = func(rt RoundTrip, obj Object) error {
if mutateRespFails {
return fmt.Errorf("%s: response error", name)
}
return nil
}
return m
}
type wantCloser struct {
io.ReadCloser
closeCount int
closeCalls []string
couldReadBytesJustBeforeClosing bool
}
func (wc *wantCloser) Close() error {
wc.closeCount++
wc.closeCalls = append(wc.closeCalls, getCaller())
n, _ := wc.ReadCloser.Read([]byte{0})
if n > 0 {
// there were still bytes left to be read
wc.couldReadBytesJustBeforeClosing = true
}
return wc.ReadCloser.Close()
}
func getCaller() string {
_, file, line, ok := runtime.Caller(2)
if !ok {
file = "???"
line = 0
}
return fmt.Sprintf("%s:%d", file, line)
}
// wantCloseReqWrapper returns a transport.WrapperFunc that validates that the http.Request
// passed to the underlying http.RoundTripper is closed properly.
func wantCloseReqWrapper(t *testing.T) transport.WrapperFunc {
caller := getCaller()
return func(rt http.RoundTripper) http.RoundTripper {
return roundTripperFunc(func(req *http.Request) (bool, *http.Response, error) {
if req.Body != nil {
wc := &wantCloser{ReadCloser: req.Body}
t.Cleanup(func() {
require.Equalf(t, wc.closeCount, 1, "did not close req body expected number of times at %s for req %#v; actual calls = %s", caller, req, wc.closeCalls)
})
req.Body = wc
}
if req.GetBody != nil {
originalBodyCopy, originalErr := req.GetBody()
req.GetBody = func() (io.ReadCloser, error) {
if originalErr != nil {
return nil, originalErr
}
wc := &wantCloser{ReadCloser: originalBodyCopy}
t.Cleanup(func() {
require.Equalf(t, wc.closeCount, 1, "did not close req body copy expected number of times at %s for req %#v; actual calls = %s", caller, req, wc.closeCalls)
})
return wc, nil
}
}
resp, err := rt.RoundTrip(req)
return false, resp, err
})
}
}
// wantCloseRespWrapper returns a transport.WrapperFunc that validates that the http.Response
// returned by the underlying http.RoundTripper is closed properly.
func wantCloseRespWrapper(t *testing.T) transport.WrapperFunc {
caller := getCaller()
return func(rt http.RoundTripper) http.RoundTripper {
return roundTripperFunc(func(req *http.Request) (bool, *http.Response, error) {
resp, err := rt.RoundTrip(req)
if err != nil {
// request failed, so there is no response body to watch for Close() calls on
return false, resp, err
}
wc := &wantCloser{ReadCloser: resp.Body}
t.Cleanup(func() {
require.False(t, wc.couldReadBytesJustBeforeClosing, "did not consume all response body bytes before closing %s", caller)
require.Equalf(t, wc.closeCount, 1, "did not close resp body expected number of times at %s for req %#v; actual calls = %s", caller, req, wc.closeCalls)
})
resp.Body = wc
return false, resp, err
})
}
}
type withFunc func(obj Object)
func with(obj Object, withFuncs ...withFunc) Object {
obj = obj.DeepCopyObject().(Object)
for _, withFunc := range withFuncs {
withFunc(obj)
}
return obj
}
func gvk(gvk schema.GroupVersionKind) withFunc {
return func(obj Object) {
obj.GetObjectKind().SetGroupVersionKind(gvk)
}
}
func annotations() withFunc {
return func(obj Object) {
obj.SetAnnotations(middlewareAnnotations)
}
}
func emptyAnnotations() withFunc {
return func(obj Object) {
obj.SetAnnotations(make(map[string]string))
}
}
func labels() withFunc {
return func(obj Object) {
obj.SetLabels(middlewareLabels)
}
}
func clusterName() withFunc {
return func(obj Object) {
obj.SetClusterName(someClusterName)
}
}
func createGetFederationDomainTest(t *testing.T, client *Client) {
t.Helper()
// create
federationDomain, err := client.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(goodFederationDomain.Namespace).
Create(context.Background(), goodFederationDomain, metav1.CreateOptions{})
require.NoError(t, err)
require.Equal(t, goodFederationDomain, federationDomain)
// read
federationDomain, err = client.PinnipedSupervisor.
ConfigV1alpha1().
FederationDomains(federationDomain.Namespace).
Get(context.Background(), federationDomain.Name, metav1.GetOptions{})
require.NoError(t, err)
require.Equal(t, goodFederationDomain, federationDomain)
}