mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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308 lines
8.7 KiB
Go
308 lines
8.7 KiB
Go
/*
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Copyright 2019 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 framework
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import (
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"errors"
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"fmt"
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"testing"
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"github.com/google/go-cmp/cmp"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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var errorStatus = NewStatus(Error, "internal error")
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func TestStatus(t *testing.T) {
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tests := []struct {
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name string
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status *Status
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expectedCode Code
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expectedMessage string
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expectedIsSuccess bool
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expectedIsWait bool
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expectedIsSkip bool
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expectedAsError error
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}{
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{
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name: "success status",
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status: NewStatus(Success, ""),
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expectedCode: Success,
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expectedMessage: "",
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expectedIsSuccess: true,
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expectedIsWait: false,
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expectedIsSkip: false,
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expectedAsError: nil,
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},
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{
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name: "wait status",
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status: NewStatus(Wait, ""),
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expectedCode: Wait,
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expectedMessage: "",
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expectedIsSuccess: false,
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expectedIsWait: true,
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expectedIsSkip: false,
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expectedAsError: nil,
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},
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{
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name: "error status",
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status: NewStatus(Error, "unknown error"),
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expectedCode: Error,
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expectedMessage: "unknown error",
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expectedIsSuccess: false,
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expectedIsWait: false,
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expectedIsSkip: false,
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expectedAsError: errors.New("unknown error"),
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},
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{
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name: "skip status",
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status: NewStatus(Skip, ""),
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expectedCode: Skip,
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expectedMessage: "",
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expectedIsSuccess: false,
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expectedIsWait: false,
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expectedIsSkip: true,
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expectedAsError: nil,
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},
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{
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name: "nil status",
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status: nil,
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expectedCode: Success,
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expectedMessage: "",
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expectedIsSuccess: true,
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expectedIsSkip: false,
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expectedAsError: nil,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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if test.status.Code() != test.expectedCode {
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t.Errorf("expect status.Code() returns %v, but %v", test.expectedCode, test.status.Code())
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}
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if test.status.Message() != test.expectedMessage {
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t.Errorf("expect status.Message() returns %v, but %v", test.expectedMessage, test.status.Message())
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}
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if test.status.IsSuccess() != test.expectedIsSuccess {
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t.Errorf("expect status.IsSuccess() returns %v, but %v", test.expectedIsSuccess, test.status.IsSuccess())
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}
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if test.status.IsWait() != test.expectedIsWait {
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t.Errorf("status.IsWait() returns %v, but want %v", test.status.IsWait(), test.expectedIsWait)
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}
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if test.status.IsSkip() != test.expectedIsSkip {
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t.Errorf("status.IsSkip() returns %v, but want %v", test.status.IsSkip(), test.expectedIsSkip)
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}
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if test.status.AsError() == test.expectedAsError {
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return
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}
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if test.status.AsError().Error() != test.expectedAsError.Error() {
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t.Errorf("expect status.AsError() returns %v, but %v", test.expectedAsError, test.status.AsError())
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}
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})
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}
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}
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// The String() method relies on the value and order of the status codes to function properly.
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func TestStatusCodes(t *testing.T) {
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assertStatusCode(t, Success, 0)
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assertStatusCode(t, Error, 1)
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assertStatusCode(t, Unschedulable, 2)
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assertStatusCode(t, UnschedulableAndUnresolvable, 3)
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assertStatusCode(t, Wait, 4)
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assertStatusCode(t, Skip, 5)
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}
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func assertStatusCode(t *testing.T, code Code, value int) {
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if int(code) != value {
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t.Errorf("Status code %q should have a value of %v but got %v", code.String(), value, int(code))
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}
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}
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func TestPluginToStatusMerge(t *testing.T) {
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tests := []struct {
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name string
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statusMap PluginToStatus
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wantCode Code
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}{
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{
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name: "merge Error and Unschedulable statuses",
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statusMap: PluginToStatus{"p1": NewStatus(Error), "p2": NewStatus(Unschedulable)},
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wantCode: Error,
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},
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{
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name: "merge Success and Unschedulable statuses",
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statusMap: PluginToStatus{"p1": NewStatus(Success), "p2": NewStatus(Unschedulable)},
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wantCode: Unschedulable,
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},
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{
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name: "merge Success, UnschedulableAndUnresolvable and Unschedulable statuses",
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statusMap: PluginToStatus{"p1": NewStatus(Success), "p2": NewStatus(UnschedulableAndUnresolvable), "p3": NewStatus(Unschedulable)},
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wantCode: UnschedulableAndUnresolvable,
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},
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{
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name: "merge nil status",
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wantCode: Success,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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gotStatus := test.statusMap.Merge()
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if test.wantCode != gotStatus.Code() {
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t.Errorf("wantCode %v, gotCode %v", test.wantCode, gotStatus.Code())
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}
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})
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}
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}
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func TestPreFilterResultMerge(t *testing.T) {
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tests := map[string]struct {
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receiver *PreFilterResult
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in *PreFilterResult
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want *PreFilterResult
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}{
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"all nil": {},
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"nil receiver empty input": {
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in: &PreFilterResult{NodeNames: sets.NewString()},
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want: &PreFilterResult{NodeNames: sets.NewString()},
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},
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"empty receiver nil input": {
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receiver: &PreFilterResult{NodeNames: sets.NewString()},
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want: &PreFilterResult{NodeNames: sets.NewString()},
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},
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"empty receiver empty input": {
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receiver: &PreFilterResult{NodeNames: sets.NewString()},
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in: &PreFilterResult{NodeNames: sets.NewString()},
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want: &PreFilterResult{NodeNames: sets.NewString()},
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},
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"nil receiver populated input": {
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in: &PreFilterResult{NodeNames: sets.NewString("node1")},
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want: &PreFilterResult{NodeNames: sets.NewString("node1")},
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},
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"empty receiver populated input": {
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receiver: &PreFilterResult{NodeNames: sets.NewString()},
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in: &PreFilterResult{NodeNames: sets.NewString("node1")},
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want: &PreFilterResult{NodeNames: sets.NewString()},
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},
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"populated receiver nil input": {
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receiver: &PreFilterResult{NodeNames: sets.NewString("node1")},
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want: &PreFilterResult{NodeNames: sets.NewString("node1")},
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},
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"populated receiver empty input": {
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receiver: &PreFilterResult{NodeNames: sets.NewString("node1")},
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in: &PreFilterResult{NodeNames: sets.NewString()},
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want: &PreFilterResult{NodeNames: sets.NewString()},
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},
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"populated receiver and input": {
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receiver: &PreFilterResult{NodeNames: sets.NewString("node1", "node2")},
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in: &PreFilterResult{NodeNames: sets.NewString("node2", "node3")},
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want: &PreFilterResult{NodeNames: sets.NewString("node2")},
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},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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got := test.receiver.Merge(test.in)
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if diff := cmp.Diff(test.want, got); diff != "" {
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t.Errorf("unexpected diff (-want, +got):\n%s", diff)
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}
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})
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}
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}
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func TestIsStatusEqual(t *testing.T) {
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tests := []struct {
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name string
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x, y *Status
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want bool
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}{
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{
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name: "two nil should be equal",
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x: nil,
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y: nil,
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want: true,
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},
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{
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name: "nil should be equal to success status",
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x: nil,
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y: NewStatus(Success),
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want: true,
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},
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{
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name: "nil should not be equal with status except success",
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x: nil,
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y: NewStatus(Error, "internal error"),
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want: false,
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},
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{
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name: "one status should be equal to itself",
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x: errorStatus,
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y: errorStatus,
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want: true,
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},
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{
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name: "same type statuses without reasons should be equal",
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x: NewStatus(Success),
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y: NewStatus(Success),
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want: true,
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},
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{
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name: "statuses with same message should be equal",
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x: NewStatus(Unschedulable, "unschedulable"),
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y: NewStatus(Unschedulable, "unschedulable"),
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want: true,
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},
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{
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name: "error statuses with same message should not be equal",
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x: NewStatus(Error, "error"),
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y: NewStatus(Error, "error"),
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want: false,
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},
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{
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name: "statuses with different reasons should not be equal",
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x: NewStatus(Unschedulable, "unschedulable"),
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y: NewStatus(Unschedulable, "unschedulable", "injected filter status"),
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want: false,
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},
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{
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name: "statuses with different codes should not be equal",
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x: NewStatus(Error, "internal error"),
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y: NewStatus(Unschedulable, "internal error"),
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want: false,
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},
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{
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name: "wrap error status should be equal with original one",
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x: errorStatus,
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y: AsStatus(fmt.Errorf("error: %w", errorStatus.AsError())),
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want: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := cmp.Equal(tt.x, tt.y); got != tt.want {
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t.Errorf("cmp.Equal() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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