support scheduler_plugin_execution_duration_seconds in scheduler_perf

test/integration/scheduler_perf/util_test.go

@@ -0,0 +1,87 @@
+/*
+Copyright 2015 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 benchmark
+
+import (
+	"reflect"
+	"testing"
+)
+
+func Test_uniqueLVCombos(t *testing.T) {
+	type args struct {
+		lvs []*labelValues
+	}
+	tests := []struct {
+		name string
+		args args
+		want []map[string]string
+	}{
+		{
+			name: "empty input",
+			args: args{
+				lvs: []*labelValues{},
+			},
+			want: []map[string]string{{}},
+		},
+		{
+			name: "single label, multiple values",
+			args: args{
+				lvs: []*labelValues{
+					{"A", []string{"a1", "a2"}},
+				},
+			},
+			want: []map[string]string{
+				{"A": "a1"},
+				{"A": "a2"},
+			},
+		},
+		{
+			name: "multiple labels, single value each",
+			args: args{
+				lvs: []*labelValues{
+					{"A", []string{"a1"}},
+					{"B", []string{"b1"}},
+				},
+			},
+			want: []map[string]string{
+				{"A": "a1", "B": "b1"},
+			},
+		},
+		{
+			name: "multiple labels, multiple values",
+			args: args{
+				lvs: []*labelValues{
+					{"A", []string{"a1", "a2"}},
+					{"B", []string{"b1", "b2"}},
+				},
+			},
+			want: []map[string]string{
+				{"A": "a1", "B": "b1"},
+				{"A": "a1", "B": "b2"},
+				{"A": "a2", "B": "b1"},
+				{"A": "a2", "B": "b2"},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := uniqueLVCombos(tt.args.lvs); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("uniqueLVCombos() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}