-
Notifications
You must be signed in to change notification settings - Fork 105
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add series doubling and halving functionality
Signed-off-by: yomek33 <[email protected]>
- Loading branch information
Showing
5 changed files
with
160 additions
and
29 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package metrics | ||
|
|
||
| import ( | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| // Helper function to count the series in the registry | ||
| func countSeries(t *testing.T, registry *prometheus.Registry) int { | ||
| metricsFamilies, err := registry.Gather() | ||
| assert.NoError(t, err) | ||
|
|
||
| seriesCount := 0 | ||
| for _, mf := range metricsFamilies { | ||
| for range mf.Metric { | ||
| seriesCount++ | ||
| } | ||
| } | ||
|
|
||
| return seriesCount | ||
| } | ||
|
|
||
| func TestRunMetricsSeriesCountChangeDoubleHalve(t *testing.T) { | ||
| const ( | ||
| initialSeriesCount = 5 | ||
| metricCount = 1 | ||
| labelCount = 1 | ||
| seriesChangeRate = 1 | ||
| metricLength = 1 | ||
| labelLength = 1 | ||
| valueInterval = 1 | ||
| seriesInterval = 1 | ||
| metricInterval = 1 | ||
| seriesChangeInterval = 3 | ||
| operationMode = "double-halve" | ||
| constLabel = "constLabel=test" | ||
| updateNotifyTimeout = 3 * time.Second | ||
| waitTimeBetweenChecks = 3 * time.Second | ||
| ) | ||
|
|
||
| stop := make(chan struct{}) | ||
| defer close(stop) | ||
|
|
||
| promRegistry = prometheus.NewRegistry() | ||
|
|
||
| updateNotify, err := RunMetrics(metricCount, labelCount, initialSeriesCount, seriesChangeRate, metricLength, labelLength, valueInterval, seriesInterval, metricInterval, seriesChangeInterval, operationMode, []string{constLabel}, stop) | ||
| assert.NoError(t, err) | ||
|
|
||
| initialCount := countSeries(t, promRegistry) | ||
| expectedInitialCount := initialSeriesCount | ||
| assert.Equal(t, expectedInitialCount, initialCount, "Initial series count should be %d but got %d", expectedInitialCount, initialCount) | ||
|
|
||
| // Test for doubling the series count | ||
| select { | ||
| case <-updateNotify: | ||
| time.Sleep(waitTimeBetweenChecks) | ||
| doubledCount := countSeries(t, promRegistry) | ||
| expectedDoubledCount := initialSeriesCount * 2 | ||
| assert.Equal(t, expectedDoubledCount, doubledCount, "Doubled series count should be %d but got %d", expectedDoubledCount, doubledCount) | ||
| case <-time.After(updateNotifyTimeout): | ||
| t.Fatal("Did not receive update notification for series count doubling in time") | ||
| } | ||
|
|
||
| // Test for halving the series count | ||
| select { | ||
| case <-updateNotify: | ||
| time.Sleep(waitTimeBetweenChecks) | ||
| halvedCount := countSeries(t, promRegistry) | ||
| expectedHalvedCount := initialSeriesCount | ||
| assert.Equal(t, expectedHalvedCount, halvedCount, "Halved series count should be %d but got %d", expectedHalvedCount, halvedCount) | ||
| case <-time.After(updateNotifyTimeout): | ||
| t.Fatal("Did not receive update notification for series count halving in time") | ||
| } | ||
| } |