container: support hostprocess containers and expose kubernetes labels (#1911)

internal/headers/hcs/hcs_test.go

@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: Apache-2.0
+//
+// Copyright The Prometheus 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.
+
+//go:build windows
+
+package hcs_test
+
+import (
+	"testing"
+
+	"github.com/prometheus-community/windows_exporter/internal/headers/hcs"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetContainers(t *testing.T) {
+	t.Parallel()
+
+	containers, err := hcs.GetContainers()
+	require.NoError(t, err)
+	require.NotNil(t, containers)
+}
+
+func TestOpenContainer(t *testing.T) {
+	t.Parallel()
+
+	containers, err := hcs.GetContainers()
+	require.NoError(t, err)
+
+	if len(containers) == 0 {
+		t.Skip("No containers found")
+	}
+
+	statistics, err := hcs.GetContainerStatistics(containers[0].ID)
+	require.NoError(t, err)
+	require.NotNil(t, statistics)
+}
+
+func TestOpenContainerNotFound(t *testing.T) {
+	t.Parallel()
+
+	_, err := hcs.GetContainerStatistics("f3056b79b36ddfe203376473e2aeb4922a8ca7c5d8100764e5829eb5552fe09b")
+	require.ErrorIs(t, err, hcs.ErrIDNotFound)
+}