119 lines
3.5 KiB
Go
119 lines
3.5 KiB
Go
/*
|
|
Copyright 2021 The Kubernetes Authors.
|
|
|
|
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 topologycache
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
discovery "k8s.io/api/discovery/v1"
|
|
"k8s.io/utils/pointer"
|
|
)
|
|
|
|
func Test_getTotalReadyEndpoints(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
si *SliceInfo
|
|
expectedTotalReady int
|
|
expectedTotal int // this is really just testing the test helper
|
|
}{{
|
|
name: "empty",
|
|
si: &SliceInfo{},
|
|
expectedTotal: 0,
|
|
}, {
|
|
name: "empty slice",
|
|
si: &SliceInfo{
|
|
ToCreate: []*discovery.EndpointSlice{sliceWithNEndpoints(0, 0)},
|
|
},
|
|
expectedTotalReady: 0,
|
|
expectedTotal: 0,
|
|
}, {
|
|
name: "multiple slices",
|
|
si: &SliceInfo{
|
|
ToCreate: []*discovery.EndpointSlice{sliceWithNEndpoints(15, 0), sliceWithNEndpoints(8, 0)},
|
|
},
|
|
expectedTotalReady: 23,
|
|
expectedTotal: 23,
|
|
}, {
|
|
name: "slices for all",
|
|
si: &SliceInfo{
|
|
ToCreate: []*discovery.EndpointSlice{sliceWithNEndpoints(15, 0), sliceWithNEndpoints(8, 0)},
|
|
ToUpdate: []*discovery.EndpointSlice{sliceWithNEndpoints(2, 0)},
|
|
Unchanged: []*discovery.EndpointSlice{sliceWithNEndpoints(100, 0), sliceWithNEndpoints(90, 0)},
|
|
},
|
|
expectedTotalReady: 215,
|
|
expectedTotal: 215,
|
|
}, {
|
|
name: "slices for all with some unready",
|
|
si: &SliceInfo{
|
|
ToCreate: []*discovery.EndpointSlice{sliceWithNEndpoints(15, 3), sliceWithNEndpoints(5, 4)},
|
|
ToUpdate: []*discovery.EndpointSlice{sliceWithNEndpoints(3, 8)},
|
|
Unchanged: []*discovery.EndpointSlice{sliceWithNEndpoints(98, 2), sliceWithNEndpoints(90, 6)},
|
|
},
|
|
expectedTotalReady: 211,
|
|
expectedTotal: 234,
|
|
}}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
actualTotal := countEndpoints(tc.si.ToCreate) + countEndpoints(tc.si.ToUpdate) + countEndpoints(tc.si.Unchanged)
|
|
|
|
if actualTotal != tc.expectedTotal {
|
|
// This likely means that sliceWithNEndpoints or countEndpoints are not working as expected
|
|
t.Errorf("Problem with test or test helper. Expected %d total endpoints, got %d", tc.expectedTotal, actualTotal)
|
|
}
|
|
|
|
actualTotalReady := tc.si.getTotalReadyEndpoints()
|
|
if actualTotalReady != tc.expectedTotalReady {
|
|
t.Errorf("Expected %d, got %d", tc.expectedTotalReady, actualTotalReady)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// helpers
|
|
|
|
func sliceWithNEndpoints(ready, unready int) *discovery.EndpointSlice {
|
|
endpoints := make([]discovery.Endpoint, ready+unready)
|
|
|
|
for i := 0; i < ready; i++ {
|
|
endpoints[i] = discovery.Endpoint{
|
|
Addresses: []string{fmt.Sprintf("10.1.2.%d", i)},
|
|
Conditions: discovery.EndpointConditions{Ready: pointer.Bool(true)},
|
|
}
|
|
}
|
|
|
|
for i := 0; i < unready; i++ {
|
|
endpoints[ready+i] = discovery.Endpoint{
|
|
Addresses: []string{fmt.Sprintf("10.1.2.%d", ready+i)},
|
|
Conditions: discovery.EndpointConditions{Ready: pointer.Bool(false)},
|
|
}
|
|
}
|
|
|
|
return &discovery.EndpointSlice{
|
|
Endpoints: endpoints,
|
|
}
|
|
}
|
|
|
|
func countEndpoints(slices []*discovery.EndpointSlice) int {
|
|
total := 0
|
|
for _, slice := range slices {
|
|
total += len(slice.Endpoints)
|
|
}
|
|
return total
|
|
}
|