go.ligato.io/vpp-agent/v3@v3.5.0/plugins/vpp/l3plugin/vrfidx/vrfidx_test.go (about)

     1  // Copyright (c) 2019 Cisco and/or its affiliates.
     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 vrfidx
    16  
    17  import (
    18  	"testing"
    19  
    20  	"fmt"
    21  
    22  	. "github.com/onsi/gomega"
    23  	"go.ligato.io/cn-infra/v2/logging/logrus"
    24  )
    25  
    26  // Constants
    27  const (
    28  	vrfName0         = "vrf-0"
    29  	vrfName1         = "vrf-1"
    30  	vrfName2         = "vrf-2"
    31  	idx0      uint32 = 0
    32  	idx1      uint32 = 1
    33  	idx2      uint32 = 2
    34  	watchName        = "watchName"
    35  )
    36  
    37  func testInitialization(t *testing.T) VRFMetadataIndexRW {
    38  	RegisterTestingT(t)
    39  	return NewVRFIndex(logrus.DefaultLogger(), "vrf-meta-index")
    40  }
    41  
    42  // Tests registering and unregistering name to index
    43  func TestRegisterAndUnregisterName(t *testing.T) {
    44  	index := testInitialization(t)
    45  	vrf := &VRFMetadata{Index: idx0}
    46  
    47  	// Register vrf
    48  	index.Put(vrfName0, vrf)
    49  	names := index.ListAllVRFs()
    50  	Expect(names).To(HaveLen(1))
    51  	Expect(names).To(ContainElement(vrfName0))
    52  	metadata := index.ListAllVrfMetadata()
    53  	Expect(metadata).To(HaveLen(1))
    54  	Expect(metadata[0].GetIndex()).To(Equal(idx0))
    55  
    56  	// Unregister vrf
    57  	index.Delete(vrfName0)
    58  	names = index.ListAllVRFs()
    59  	Expect(names).To(BeEmpty())
    60  }
    61  
    62  // Tests index mapping clear
    63  func TestClearInterfaces(t *testing.T) {
    64  	index := testInitialization(t)
    65  
    66  	// Register entries
    67  	index.Put(vrfName0, &VRFMetadata{Index: idx0})
    68  	index.Put(vrfName1, &VRFMetadata{Index: idx1})
    69  	index.Put(vrfName2, &VRFMetadata{Index: idx2})
    70  	names := index.ListAllVRFs()
    71  	Expect(names).To(HaveLen(3))
    72  
    73  	// Clear
    74  	index.Clear()
    75  	names = index.ListAllVRFs()
    76  	Expect(names).To(BeEmpty())
    77  }
    78  
    79  // Tests lookup by name
    80  func TestLookupByName(t *testing.T) {
    81  	index := testInitialization(t)
    82  	vrf := &VRFMetadata{Index: idx0}
    83  
    84  	index.Put(vrfName0, vrf)
    85  
    86  	metadata, exist := index.LookupByName(vrfName0)
    87  	Expect(exist).To(BeTrue())
    88  	Expect(metadata.GetIndex()).To(Equal(idx0))
    89  	Expect(metadata).To(Equal(vrf))
    90  }
    91  
    92  // Tests lookup by index
    93  func TestLookupByIndex(t *testing.T) {
    94  	index := testInitialization(t)
    95  	vrf := &VRFMetadata{Index: idx0}
    96  
    97  	index.Put(vrfName0, vrf)
    98  
    99  	foundName, metadata, exist := index.LookupByVRFIndex(idx0)
   100  	Expect(exist).To(BeTrue())
   101  	Expect(foundName).To(Equal(vrfName0))
   102  	Expect(metadata).To(Equal(vrf))
   103  }
   104  
   105  // Tests watch VRFs
   106  func TestWatchNameToIdx(t *testing.T) {
   107  	fmt.Println("TestWatchNameToIdx")
   108  	index := testInitialization(t)
   109  	vrf := &VRFMetadata{Index: idx0}
   110  
   111  	c := make(chan VRFMetadataDto, 10)
   112  	index.WatchVRFs(watchName, c)
   113  
   114  	index.Put(vrfName0, vrf)
   115  
   116  	var dto VRFMetadataDto
   117  	Eventually(c).Should(Receive(&dto))
   118  
   119  	Expect(dto.Name).To(Equal(vrfName0))
   120  	Expect(dto.Metadata.GetIndex()).To(Equal(idx0))
   121  }