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// Copyright (c) 2017 Cisco and/or its affiliates.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ifcounters
import (
"testing"
. "github.com/onsi/gomega"
)
func TestDecodeCounters(t *testing.T) {
RegisterTestingT(t)
testCounters := VnetInterfaceCounters{
VnetCounterType: 1,
IsCombined: 0,
FirstSwIfIndex: 5,
Count: 2,
Data: []byte{0, 0, 0, 2, // Count
0, 0, 0, 0, 0, 0, 0, 10, // first counter
0, 0, 0, 0, 0, 0, 0, 11}, // second counter
}
counters, err := DecodeCounters(testCounters)
Expect(err).ShouldNot(HaveOccurred())
Expect(len(counters)).To(BeEquivalentTo(2), "Incorrect size of the returned slice.")
Expect(counters[0].Type).To(BeEquivalentTo(1), "Incorrect counter type.")
Expect(counters[0].SwIfIndex).To(BeEquivalentTo(5), "Incorrect SwIfIndex.")
Expect(counters[0].Packets).To(BeEquivalentTo(10), "Incorrect Packets count.")
Expect(counters[1].Type).To(BeEquivalentTo(1), "Incorrect counter type.")
Expect(counters[1].SwIfIndex).To(BeEquivalentTo(6), "Incorrect SwIfIndex.")
Expect(counters[1].Packets).To(BeEquivalentTo(11), "Incorrect Packets count.")
}
func TestDecodeCombinedCounters(t *testing.T) {
RegisterTestingT(t)
testCounters := VnetInterfaceCounters{
VnetCounterType: 1,
IsCombined: 1,
FirstSwIfIndex: 20,
Count: 2,
Data: []byte{0, 0, 0, 2, // Count
0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 11, // first counter
0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 13}, // second counter
}
counters, err := DecodeCombinedCounters(testCounters)
Expect(err).ShouldNot(HaveOccurred())
Expect(len(counters)).To(BeEquivalentTo(2), "Incorrect size of the returned slice.")
Expect(counters[0].Type).To(BeEquivalentTo(1), "Incorrect counter type.")
Expect(counters[0].SwIfIndex).To(BeEquivalentTo(20), "Incorrect SwIfIndex.")
Expect(counters[0].Packets).To(BeEquivalentTo(10), "Incorrect Packets count.")
Expect(counters[0].Bytes).To(BeEquivalentTo(11), "Incorrect Bytes count.")
Expect(counters[1].Type).To(BeEquivalentTo(1), "Incorrect counter type.")
Expect(counters[1].SwIfIndex).To(BeEquivalentTo(21), "Incorrect SwIfIndex.")
Expect(counters[1].Packets).To(BeEquivalentTo(12), "Incorrect Packets count.")
Expect(counters[1].Bytes).To(BeEquivalentTo(13), "Incorrect Bytes count.")
}
func TestDecodeCountersNegative1(t *testing.T) {
RegisterTestingT(t)
testCounters := VnetInterfaceCounters{
IsCombined: 1, // invalid, should be 0
}
counters, err := DecodeCounters(testCounters)
Expect(err).Should(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("invalid argument"))
Expect(counters).To(BeNil())
}
func TestDecodeCombinedCountersNegative1(t *testing.T) {
RegisterTestingT(t)
testCounters := VnetInterfaceCounters{
IsCombined: 0, // invalid, should be 1
}
counters, err := DecodeCombinedCounters(testCounters)
Expect(err).Should(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("invalid argument"))
Expect(counters).To(BeNil())
}
func TestDecodeCountersNegative2(t *testing.T) {
RegisterTestingT(t)
testCounters := VnetInterfaceCounters{
IsCombined: 0,
// no data
}
counters, err := DecodeCounters(testCounters)
Expect(err).Should(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("unable to decode"))
Expect(counters).To(BeNil())
}
func TestDecodeCombinedCountersNegative2(t *testing.T) {
RegisterTestingT(t)
testCounters := VnetInterfaceCounters{
IsCombined: 1,
// no data
}
counters, err := DecodeCombinedCounters(testCounters)
Expect(err).Should(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("unable to decode"))
Expect(counters).To(BeNil())
}
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