import org.junit.platform.console.options.Theme
import org.junit.platform.engine.DiscoverySelector
import org.junit.platform.engine.TestDescriptor
import org.junit.platform.engine.TestEngine
import org.junit.platform.engine.discovery.DiscoverySelectors.selectClass
import org.junit.platform.launcher.Launcher
import org.junit.platform.launcher.LauncherDiscoveryRequest
import org.junit.platform.launcher.PostDiscoveryFilter

        * `password`: some next chapters will cover examples of this.
* `openIdConnect`: has a way to define how to discover OAuth2 authentication data automatically.
    * This automatic discovery is what is defined in the OpenID Connect specification.


/// tip

package pilot

import (
	"bytes"
	"encoding/json"
	"os"
	"testing"

	core "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
	status "github.com/envoyproxy/go-control-plane/envoy/service/status/v3"
	"google.golang.org/protobuf/types/known/anypb"

	"istio.io/istio/pilot/pkg/model"

package internaldebug

import (
	"encoding/json"
	"fmt"
	"io"
	"strings"

	core "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
	"github.com/spf13/cobra"

	"istio.io/istio/istioctl/pkg/cli"
	"istio.io/istio/istioctl/pkg/clioptions"
	"istio.io/istio/istioctl/pkg/multixds"
	"istio.io/istio/istioctl/pkg/util"

    sds -> ca [label="CSR"]

    xdsproxy -> discovery [dir=both,label="ADS"]

    envoy [shape=hexagon, color=purple]

    subgraph cluster_istioagent {
        label = "Istio Agent"
        color="orange"
        sds
        xdsproxy
    }

    subgraph cluster_istiod {
        label = "Istiod"
        color="lightblue"
        ca
        discovery
    }

  // freshness marks whether a group version's discovery document is up to date.
  // "Current" indicates the discovery document was recently
  // refreshed. "Stale" indicates the discovery document could not
  // be retrieved and the returned discovery document may be
  // significantly out of date. Clients that require the latest
  // version of the discovery information be retrieved before

package version

import (
	"context"
	"encoding/json"
	"fmt"
	"os"
	"strings"

	core "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
	statusv3 "github.com/envoyproxy/go-control-plane/envoy/service/status/v3"
	"github.com/spf13/cobra"
	"github.com/spf13/pflag"
	"google.golang.org/protobuf/types/known/structpb"

		{ // case 2, with Istiod instance
			args:           []string{"adsz"},
			expectedString: "",
		},
	}
	multixds.GetXdsResponse = func(_ *discovery.DiscoveryRequest, _ string, _ string, _ clioptions.CentralControlPlaneOptions, _ []grpc.DialOption,
	) (*discovery.DiscoveryResponse, error) {
		return &discovery.DiscoveryResponse{}, nil
	}
	t.Cleanup(func() {
		multixds.GetXdsResponse = xds.GetXdsResponse
	})

	for i, c := range cases {

			args:          strings.Split("serviceaccount/sleep", " "),
			wantException: true,
		},
	}
	multixds.GetXdsResponse = func(_ *discovery.DiscoveryRequest, _ string, _ string, _ clioptions.CentralControlPlaneOptions, _ []grpc.DialOption,
	) (*discovery.DiscoveryResponse, error) {
		return &discovery.DiscoveryResponse{}, nil
	}
	t.Cleanup(func() {
		multixds.GetXdsResponse = xds.GetXdsResponse
	})

	for i, c := range cases {

// limitations under the License.

package xds

// xds uses ADSC to call XDS

import (
	"context"
	"crypto/tls"
	"fmt"
	"strings"

	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials"

	"istio.io/istio/istioctl/pkg/clioptions"
	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pkg/adsc"