chore: test

metric/cpu/metric_windows_test.go

@@ -0,0 +1,51 @@
+// Licensed to Elasticsearch B.V. under one or more contributor
+// license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright
+// ownership. Elasticsearch B.V. licenses this file to you 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.
+
+//go:build windows
+
+package cpu
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestCounterLength(t *testing.T) {
+	query, err := buildQuery()
+	require.NoError(t, err)
+	require.NoError(t, query.CollectData())
+
+	kernelRawData, err := query.GetRawCounterArray(totalKernelTimeCounter, true)
+	require.NoError(t, err)
+
+	idleRawData, err := query.GetRawCounterArray(totalIdleTimeCounter, true)
+	require.NoError(t, err)
+
+	userRawData, err := query.GetRawCounterArray(totalUserTimeCounter, true)
+	require.NoError(t, err)
+
+	require.Equal(t, len(kernelRawData), len(idleRawData))
+	require.Equal(t, len(userRawData), len(idleRawData))
+
+	for i := 0; i < len(userRawData); i++ {
+		require.Equal(t, userRawData[i].InstanceName, kernelRawData[i].InstanceName, "InstanceName should be equal")
+	}
+	for i := 0; i < len(kernelRawData); i++ {
+		require.Equal(t, kernelRawData[i].InstanceName, idleRawData[i].InstanceName, "InstanceName should be equal")
+	}
+}