istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pilot/pkg/xds/filters/filters_test.go (about)

     1  // Copyright Istio 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 filters
    16  
    17  import (
    18  	"reflect"
    19  	"testing"
    20  
    21  	"github.com/davecgh/go-spew/spew"
    22  	router "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/router/v3"
    23  	hcm "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/http_connection_manager/v3"
    24  
    25  	"istio.io/istio/pilot/pkg/util/protoconv"
    26  	"istio.io/istio/pkg/wellknown"
    27  )
    28  
    29  func TestBuildRouterFilter(t *testing.T) {
    30  	tests := []struct {
    31  		name     string
    32  		ctx      RouterFilterContext
    33  		expected *hcm.HttpFilter
    34  	}{
    35  		{
    36  			name: "test for build router filter",
    37  			ctx:  RouterFilterContext{StartChildSpan: true},
    38  			expected: &hcm.HttpFilter{
    39  				Name: wellknown.Router,
    40  				ConfigType: &hcm.HttpFilter_TypedConfig{
    41  					TypedConfig: protoconv.MessageToAny(&router.Router{
    42  						StartChildSpan: true,
    43  					}),
    44  				},
    45  			},
    46  		},
    47  		{
    48  			name: "both true",
    49  			ctx: RouterFilterContext{
    50  				StartChildSpan:       true,
    51  				SuppressDebugHeaders: true,
    52  			},
    53  			expected: &hcm.HttpFilter{
    54  				Name: wellknown.Router,
    55  				ConfigType: &hcm.HttpFilter_TypedConfig{
    56  					TypedConfig: protoconv.MessageToAny(&router.Router{
    57  						StartChildSpan:       true,
    58  						SuppressEnvoyHeaders: true,
    59  					}),
    60  				},
    61  			},
    62  		},
    63  		{
    64  			name: "test for build router filter with start child span false",
    65  			ctx:  RouterFilterContext{StartChildSpan: false},
    66  			expected: &hcm.HttpFilter{
    67  				Name: wellknown.Router,
    68  				ConfigType: &hcm.HttpFilter_TypedConfig{
    69  					TypedConfig: protoconv.MessageToAny(&router.Router{
    70  						StartChildSpan: false,
    71  					}),
    72  				},
    73  			},
    74  		},
    75  	}
    76  
    77  	for _, tt := range tests {
    78  		result := BuildRouterFilter(tt.ctx)
    79  		if !reflect.DeepEqual(result, tt.expected) {
    80  			t.Errorf("Test %s failed, expected: %v ,got: %v", tt.name, spew.Sdump(result), spew.Sdump(tt.expected))
    81  		}
    82  	}
    83  }