80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package topologycache
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import (
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"fmt"
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"testing"
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discovery "k8s.io/api/discovery/v1"
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)
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func TestGetTotalEndpoints(t *testing.T) {
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testCases := []struct {
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name string
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si *SliceInfo
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expectedTotal int
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}{{
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name: "empty",
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si: &SliceInfo{},
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expectedTotal: 0,
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}, {
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name: "empty slice",
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si: &SliceInfo{
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ToCreate: []*discovery.EndpointSlice{sliceWithNEndpoints(0)},
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},
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expectedTotal: 0,
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}, {
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name: "multiple slices",
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si: &SliceInfo{
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ToCreate: []*discovery.EndpointSlice{sliceWithNEndpoints(15), sliceWithNEndpoints(8)},
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},
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expectedTotal: 23,
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}, {
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name: "slices for all",
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si: &SliceInfo{
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ToCreate: []*discovery.EndpointSlice{sliceWithNEndpoints(15), sliceWithNEndpoints(8)},
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ToUpdate: []*discovery.EndpointSlice{sliceWithNEndpoints(2)},
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Unchanged: []*discovery.EndpointSlice{sliceWithNEndpoints(100), sliceWithNEndpoints(90)},
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},
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expectedTotal: 215,
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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actualTotal := tc.si.getTotalEndpoints()
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if actualTotal != tc.expectedTotal {
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t.Errorf("Expected %d, got %d", tc.expectedTotal, actualTotal)
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}
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})
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}
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}
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// helpers
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func sliceWithNEndpoints(n int) *discovery.EndpointSlice {
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endpoints := []discovery.Endpoint{}
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for i := 0; i < n; i++ {
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endpoints = append(endpoints, discovery.Endpoint{Addresses: []string{fmt.Sprintf("10.1.2.%d", i)}})
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}
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return &discovery.EndpointSlice{
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Endpoints: endpoints,
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}
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}
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