126 lines
4.6 KiB
Go
126 lines
4.6 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package diskscraper
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import (
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"context"
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"runtime"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/collector/consumer/pdata"
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"go.opentelemetry.io/collector/internal/dataold"
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"go.opentelemetry.io/collector/internal/processor/filterset"
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"go.opentelemetry.io/collector/receiver/hostmetricsreceiver/internal"
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)
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func TestScrapeMetrics(t *testing.T) {
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type testCase struct {
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name string
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config Config
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expectMetrics bool
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newErrRegex string
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}
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testCases := []testCase{
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{
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name: "Standard",
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expectMetrics: true,
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},
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{
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name: "Include Filter that matches nothing",
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config: Config{Include: MatchConfig{filterset.Config{MatchType: "strict"}, []string{"@*^#&*$^#)"}}},
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expectMetrics: false,
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},
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{
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name: "Invalid Include Filter",
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config: Config{Include: MatchConfig{Devices: []string{"test"}}},
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newErrRegex: "^error creating device include filters:",
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},
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{
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name: "Invalid Exclude Filter",
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config: Config{Exclude: MatchConfig{Devices: []string{"test"}}},
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newErrRegex: "^error creating device exclude filters:",
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},
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}
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for _, test := range testCases {
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t.Run(test.name, func(t *testing.T) {
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scraper, err := newDiskScraper(context.Background(), &test.config)
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if test.newErrRegex != "" {
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require.Error(t, err)
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require.Regexp(t, test.newErrRegex, err)
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return
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}
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require.NoError(t, err, "Failed to create disk scraper: %v", err)
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err = scraper.Initialize(context.Background())
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require.NoError(t, err, "Failed to initialize disk scraper: %v", err)
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defer func() { assert.NoError(t, scraper.Close(context.Background())) }()
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metrics, err := scraper.ScrapeMetrics(context.Background())
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require.NoError(t, err, "Failed to scrape metrics: %v", err)
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if !test.expectMetrics {
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assert.Equal(t, 0, metrics.Len())
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return
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}
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assert.GreaterOrEqual(t, metrics.Len(), 4)
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assertInt64DiskMetricValid(t, metrics.At(0), diskIODescriptor, 0)
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assertInt64DiskMetricValid(t, metrics.At(1), diskOpsDescriptor, 0)
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assertDoubleDiskMetricValid(t, metrics.At(2), diskTimeDescriptor, 0)
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assertDiskPendingOperationsMetricValid(t, metrics.At(3))
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if runtime.GOOS == "linux" {
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assertInt64DiskMetricValid(t, metrics.At(4), diskMergedDescriptor, 0)
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}
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internal.AssertSameTimeStampForAllMetrics(t, metrics)
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})
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}
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}
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func assertInt64DiskMetricValid(t *testing.T, metric dataold.Metric, expectedDescriptor dataold.MetricDescriptor, startTime pdata.TimestampUnixNano) {
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internal.AssertDescriptorEqual(t, expectedDescriptor, metric.MetricDescriptor())
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if startTime != 0 {
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internal.AssertInt64MetricStartTimeEquals(t, metric, startTime)
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}
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assert.GreaterOrEqual(t, metric.Int64DataPoints().Len(), 2)
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internal.AssertInt64MetricLabelExists(t, metric, 0, deviceLabelName)
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internal.AssertInt64MetricLabelHasValue(t, metric, 0, directionLabelName, readDirectionLabelValue)
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internal.AssertInt64MetricLabelHasValue(t, metric, 1, directionLabelName, writeDirectionLabelValue)
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}
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func assertDoubleDiskMetricValid(t *testing.T, metric dataold.Metric, expectedDescriptor dataold.MetricDescriptor, startTime pdata.TimestampUnixNano) {
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internal.AssertDescriptorEqual(t, expectedDescriptor, metric.MetricDescriptor())
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if startTime != 0 {
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internal.AssertInt64MetricStartTimeEquals(t, metric, startTime)
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}
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assert.GreaterOrEqual(t, metric.DoubleDataPoints().Len(), 2)
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internal.AssertDoubleMetricLabelExists(t, metric, 0, deviceLabelName)
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internal.AssertDoubleMetricLabelHasValue(t, metric, 0, directionLabelName, readDirectionLabelValue)
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internal.AssertDoubleMetricLabelHasValue(t, metric, metric.DoubleDataPoints().Len()-1, directionLabelName, writeDirectionLabelValue)
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}
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func assertDiskPendingOperationsMetricValid(t *testing.T, metric dataold.Metric) {
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internal.AssertDescriptorEqual(t, diskPendingOperationsDescriptor, metric.MetricDescriptor())
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assert.GreaterOrEqual(t, metric.Int64DataPoints().Len(), 1)
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internal.AssertInt64MetricLabelExists(t, metric, 0, deviceLabelName)
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}
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