github.com/hxx258456/ccgo@v0.0.5-0.20230213014102-48b35f46f66f/go-control-plane/pkg/cache/v3/snapshot_test.go (about)

     1  // Copyright 2018 Envoyproxy Authors
     2  //
     3  //   Licensed under the Apache License, Version 2.0 (the "License");
     4  //   you may not use this file except in compliance with the License.
     5  //   You may obtain a copy of the License at
     6  //
     7  //       http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  //   Unless required by applicable law or agreed to in writing, software
    10  //   distributed under the License is distributed on an "AS IS" BASIS,
    11  //   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  //   See the License for the specific language governing permissions and
    13  //   limitations under the License.
    14  
    15  package cache_test
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/assert"
    21  
    22  	"github.com/hxx258456/ccgo/go-control-plane/pkg/cache/types"
    23  	"github.com/hxx258456/ccgo/go-control-plane/pkg/cache/v3"
    24  	rsrc "github.com/hxx258456/ccgo/go-control-plane/pkg/resource/v3"
    25  	"github.com/hxx258456/ccgo/go-control-plane/pkg/test/resource/v3"
    26  )
    27  
    28  func TestSnapshotConsistent(t *testing.T) {
    29  	if err := snapshot.Consistent(); err != nil {
    30  		t.Errorf("got inconsistent snapshot for %#v", snapshot)
    31  	}
    32  
    33  	if snap, _ := cache.NewSnapshot(version, map[rsrc.Type][]types.Resource{
    34  		rsrc.EndpointType: {testEndpoint},
    35  	}); snap.Consistent() == nil {
    36  		t.Errorf("got consistent snapshot %#v", snap)
    37  	}
    38  
    39  	if snap, _ := cache.NewSnapshot(version, map[rsrc.Type][]types.Resource{
    40  		rsrc.EndpointType: {resource.MakeEndpoint("missing", 8080)},
    41  		rsrc.ClusterType:  {testCluster},
    42  	}); snap.Consistent() == nil {
    43  		t.Errorf("got consistent snapshot %#v", snap)
    44  	}
    45  
    46  	if snap, _ := cache.NewSnapshot(version, map[rsrc.Type][]types.Resource{
    47  		rsrc.ListenerType: {testListener}},
    48  	); snap.Consistent() == nil {
    49  		t.Errorf("got consistent snapshot %#v", snap)
    50  	}
    51  
    52  	if snap, _ := cache.NewSnapshot(version, map[rsrc.Type][]types.Resource{
    53  		rsrc.RouteType:    {resource.MakeRoute("test", clusterName)},
    54  		rsrc.ListenerType: {testListener},
    55  	}); snap.Consistent() == nil {
    56  		t.Errorf("got consistent snapshot %#v", snap)
    57  	}
    58  }
    59  
    60  func TestSnapshotGetters(t *testing.T) {
    61  	var nilsnap *cache.Snapshot
    62  	if out := nilsnap.GetResources(rsrc.EndpointType); out != nil {
    63  		t.Errorf("got non-empty resources for nil snapshot: %#v", out)
    64  	}
    65  	if out := nilsnap.Consistent(); out == nil {
    66  		t.Errorf("nil snapshot should be inconsistent")
    67  	}
    68  	if out := nilsnap.GetVersion(rsrc.EndpointType); out != "" {
    69  		t.Errorf("got non-empty version for nil snapshot: %#v", out)
    70  	}
    71  	if out := snapshot.GetResources("not a type"); out != nil {
    72  		t.Errorf("got non-empty resources for unknown type: %#v", out)
    73  	}
    74  	if out := snapshot.GetVersion("not a type"); out != "" {
    75  		t.Errorf("got non-empty version for unknown type: %#v", out)
    76  	}
    77  }
    78  
    79  func TestNewSnapshotBadType(t *testing.T) {
    80  	snap, err := cache.NewSnapshot(version, map[rsrc.Type][]types.Resource{
    81  		"random.type": nil,
    82  	})
    83  
    84  	// Should receive an error from an unknown type
    85  	assert.Error(t, err)
    86  	assert.Equal(t, cache.Snapshot{}, snap)
    87  }