ContainerImage.Pinniped/test/integration/common_test.go

103 lines
3.3 KiB
Go

/*
Copyright 2020 VMware, Inc.
SPDX-License-Identifier: Apache-2.0
*/
package integration
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
v1 "k8s.io/api/core/v1"
rbacv1 "k8s.io/api/rbac/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
// accessAsUserTest runs a generic test in which a clientUnderTest operating with username
// testUsername tries to auth to the kube API (i.e., list namespaces).
//
// Use this function if you want to simply validate that a user can auth to the kube API after
// performing a Pinniped credential exchange.
func accessAsUserTest(
ctx context.Context,
adminClient kubernetes.Interface,
testUsername string,
clientUnderTest kubernetes.Interface,
) func(t *testing.T) {
return func(t *testing.T) {
addTestClusterRoleBinding(ctx, t, adminClient, &rbacv1.ClusterRoleBinding{
TypeMeta: metav1.TypeMeta{},
ObjectMeta: metav1.ObjectMeta{
Name: "integration-test-user-readonly-role-binding",
},
Subjects: []rbacv1.Subject{{
Kind: rbacv1.UserKind,
APIGroup: rbacv1.GroupName,
Name: testUsername,
}},
RoleRef: rbacv1.RoleRef{
Kind: "ClusterRole",
APIGroup: rbacv1.GroupName,
Name: "view",
},
})
// Use the client which is authenticated as the test user to list namespaces
var listNamespaceResponse *v1.NamespaceList
var err error
var canListNamespaces = func() bool {
listNamespaceResponse, err = clientUnderTest.CoreV1().Namespaces().List(ctx, metav1.ListOptions{})
return err == nil
}
assert.Eventually(t, canListNamespaces, 3*time.Second, 250*time.Millisecond)
require.NoError(t, err) // prints out the error and stops the test in case of failure
require.NotEmpty(t, listNamespaceResponse.Items)
}
}
// accessAsGroupTest runs a generic test in which a clientUnderTest with membership in group
// testGroup tries to auth to the kube API (i.e., list namespaces).
//
// Use this function if you want to simply validate that a user can auth to the kube API (via
// a group membership) after performing a Pinniped credential exchange.
func accessAsGroupTest(
ctx context.Context,
adminClient kubernetes.Interface,
testGroup string,
clientUnderTest kubernetes.Interface,
) func(t *testing.T) {
return func(t *testing.T) {
addTestClusterRoleBinding(ctx, t, adminClient, &rbacv1.ClusterRoleBinding{
TypeMeta: metav1.TypeMeta{},
ObjectMeta: metav1.ObjectMeta{
Name: "integration-test-group-readonly-role-binding",
},
Subjects: []rbacv1.Subject{{
Kind: rbacv1.GroupKind,
APIGroup: rbacv1.GroupName,
Name: testGroup,
}},
RoleRef: rbacv1.RoleRef{
Kind: "ClusterRole",
APIGroup: rbacv1.GroupName,
Name: "view",
},
})
// Use the client which is authenticated as the test user to list namespaces
var listNamespaceResponse *v1.NamespaceList
var err error
var canListNamespaces = func() bool {
listNamespaceResponse, err = clientUnderTest.CoreV1().Namespaces().List(ctx, metav1.ListOptions{})
return err == nil
}
assert.Eventually(t, canListNamespaces, 3*time.Second, 250*time.Millisecond)
require.NoError(t, err) // prints out the error and stops the test in case of failure
require.NotEmpty(t, listNamespaceResponse.Items)
}
}