You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: validation_test.go
    path of file: ./repos/storj/satellite/metainfo
    
    the code of the file until where you have to start completion: // Copyright (C) 2021 Storj Labs, Inc.
// See LICENSE for copying information.

package metainfo

import (
	"context"
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"go.uber.org/zap/zaptest"

	"storj.io/common/macaroon"
	"storj.io/common/pb"
	"storj.io/common/testcontext"
	"storj.io/storj/satellite/console"
	"storj.io/storj/satellite/console/consoleauth"
)

type mockAPIKeys struct {
	secret []byte
}

func (m *mockAPIKeys) GetByHead(ctx context.Context, head []byte) (*console.APIKeyInfo, error) {
	return &console.APIKeyInfo{Secret: m.secret}, nil
}

var _ APIKeys = (*mockAPIKeys)(nil)

func TestEndpoint_validateAuthN(t *testing.T) {
	ctx := testcontext.New(t)
	defer ctx.Cleanup()

	secret, err := macaroon.NewSecret()
	require.NoError(t, err)

	key, err := macaroon.NewAPIKey(secret)
	require.NoError(t, err)

	keyNoLists, err := key.Restrict(macaroon.Caveat{DisallowLists: true})
	require.NoError(t, err)

	keyNoListsNoDeletes, err := keyNoLists.Restrict(macaroon.Caveat{DisallowDeletes: true})
	require.NoError(t, err)

	endpoint := Endpoint{
		log:     zaptest.NewLogger(t),
		apiKeys: &mockAPIKeys{secret: secret},
	}

	now := time.Now()

	var canRead, canList, canDelete bool

	set1 := []verifyPermission{
		{
			action: macaroon.Action{
				Op:   macaroon.ActionDelete,
				Time: now,
			},
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionRead,
				Time: now,
			},
			actionPermitted: &canRead,
			optional:        true,
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionList,
				Time: now,
			},
			actionPermitted: &canList,
			optional:        true,
		},
	}
	set2 := []verifyPermission{
		{
			action: macaroon.Action{
				Op:   macaroon.ActionWrite,
				Time: now,
			},
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionDelete,
				Time: now,
			},
			actionPermitted: &canDelete,
			optional:        true,
		},
	}
	set3 := []verifyPermission{
		{
			action: macaroon.Action{
				Op:   macaroon.ActionDelete,
				Time: now,
			},
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionRead,
				Time: now,
			},
			actionPermitted: &canRead,
			optional:        true,
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionList,
				Time: now,
			},
			actionPermitted: &canList,
			optional:        true,
		},
	}

	for i, tt := range [...]struct {
		key                                     *macaroon.APIKey
		permissions                             []verifyPermission
		wantCanRead, wantCanList, wantCanDelete bool
		wantErr                                 bool
	}{
		{
			key:     key,
			wantErr: true,
		},

		{
			key:         key,
			permissions: make([]verifyPermission, 2),
			wantErr:     true,
		},

		{
			key: key,
			permissions: []verifyPermission{
				{
					action: macaroon.Action{
						Op:   macaroon.ActionWrite,
						Time: now,
					},
					optional: true,
				},
				{
					action: macaroon.Action{

    
func TestEndpoint_validateAuthN(t *testing.T) {
	ctx := testcontext.New(t)
	defer ctx.Cleanup()

	secret, err := macaroon.NewSecret()
	require.NoError(t, err)

	key, err := macaroon.NewAPIKey(secret)
	require.NoError(t, err)

	keyNoLists, err := key.Restrict(macaroon.Caveat{DisallowLists: true})
	require.NoError(t, err)

	keyNoListsNoDeletes, err := keyNoLists.Restrict(macaroon.Caveat{DisallowDeletes: true})
	require.NoError(t, err)

	endpoint := Endpoint{
		log:     zaptest.NewLogger(t),
		apiKeys: &mockAPIKeys{secret: secret},
	}

	now := time.Now()

	var canRead, canList, canDelete bool

	set1 := []verifyPermission{
		{
			action: macaroon.Action{
				Op:   macaroon.ActionDelete,
				Time: now,
			},
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionRead,
				Time: now,
			},
			actionPermitted: &canRead,
			optional:        true,
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionList,
				Time: now,
			},
			actionPermitted: &canList,
			optional:        true,
		},
	}
	set2 := []verifyPermission{
		{
			action: macaroon.Action{
				Op:   macaroon.ActionWrite,
				Time: now,
			},
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionDelete,
				Time: now,
			},
			actionPermitted: &canDelete,
			optional:        true,
		},
	}
	set3 := []verifyPermission{
		{
			action: macaroon.Action{
				Op:   macaroon.ActionDelete,
				Time: now,
			},
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionRead,
				Time: now,
			},
			actionPermitted: &canRead,
			optional:        true,
		},
		{
			action: macaroon.Action{
				Op:   macaroon.ActionList,
				Time: now,
			},
			actionPermitted: &canList,
			optional:        true,
		},
	}

	for i, tt := range [...]struct {
		key                                     *macaroon.APIKey
		permissions                             []verifyPermission
		wantCanRead, wantCanList, wantCanDelete bool
		wantErr                                 bool
	}{
		{
			key:     key,
			wantErr: true,
		},

		{
			key:         key,
			permissions: make([]verifyPermission, 2),
			wantErr:     true,
		},

		{
			key: key,
			permissions: []verifyPermission{
				{
					action: macaroon.Action{
						Op:   macaroon.ActionWrite,
						Time: now,
					},
					optional: true,
				},
				{
					action: macaroon.Action{
						Op:   macaroon.ActionDelete,
						Time: now,
					},
					optional: true,
				},
			},
			wantErr: true,
		},

		{
			key: key,
			permissions: []verifyPermission{
				{
					action: macaroon.Action{
						Op:   macaroon.ActionProjectInfo,
						Time: now,
					},
				},
			},
		},

		{
			key:         key,
			permissions: set1,
			wantCanRead: true,
			wantCanList: true,
		},
		{
			key:         keyNoLists,
			permissions: set1,
			wantCanRead: true,
		},
		{
			key:         keyNoListsNoDeletes,
			permissions: set1,
			wantErr:     true,
		},

		{
			key:           key,
			permissions:   set2,
			wantCanDelete: true,
		},
		{
			key:           keyNoLists,
			permissions:   set2,
			wantCanDelete: true,
		},
		{
			key:         keyNoListsNoDeletes,
			permissions: set2,
		},

		{
			key:         key,
			permissions: set3,
			wantCanRead: true,
			wantCanList: true,
		},
		{
			key:         keyNoLists,
			permissions: set3,
			wantCanRead: true,
		},
		{
			key:         keyNoListsNoDeletes,
			permissions: set3,
			wantErr:     true,
		},
	} {
		canRead, canList, canDelete = false, false, false // reset state

		rawKey := tt.key.SerializeRaw()
		ctxWithKey := consoleauth.WithAPIKey(ctx, rawKey)

		_, err := endpoint.validateAuthN(ctxWithKey, &pb.RequestHeader{ApiKey: rawKey}, tt.permissions...)

		assert.Equal(t, err != nil, tt.wantErr, i)
		assert.Equal(t, tt.wantCanRead, canRead, i)
		assert.Equal(t, tt.wantCanList, canList, i)
		assert.Equal(t, tt.wantCanDelete, canDelete, i)
	}
}