84 lines
2.5 KiB
Go
84 lines
2.5 KiB
Go
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package clone
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import (
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"testing"
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"time"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/metric"
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"github.com/stretchr/testify/assert"
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)
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func createTestMetric() telegraf.Metric {
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metric, _ := metric.New("m1",
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map[string]string{"metric_tag": "from_metric"},
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map[string]interface{}{"value": int64(1)},
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time.Now(),
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)
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return metric
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}
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func calculateProcessedTags(processor Clone, metric telegraf.Metric) map[string]string {
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processed := processor.Apply(metric)
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return processed[0].Tags()
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}
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func TestRetainsTags(t *testing.T) {
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processor := Clone{}
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tags := calculateProcessedTags(processor, createTestMetric())
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value, present := tags["metric_tag"]
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assert.True(t, present, "Tag of metric was not present")
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assert.Equal(t, "from_metric", value, "Value of Tag was changed")
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}
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func TestAddTags(t *testing.T) {
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processor := Clone{Tags: map[string]string{"added_tag": "from_config", "another_tag": ""}}
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tags := calculateProcessedTags(processor, createTestMetric())
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value, present := tags["added_tag"]
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assert.True(t, present, "Additional Tag of metric was not present")
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assert.Equal(t, "from_config", value, "Value of Tag was changed")
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assert.Equal(t, 3, len(tags), "Should have one previous and two added tags.")
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}
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func TestOverwritesPresentTagValues(t *testing.T) {
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processor := Clone{Tags: map[string]string{"metric_tag": "from_config"}}
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tags := calculateProcessedTags(processor, createTestMetric())
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value, present := tags["metric_tag"]
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assert.True(t, present, "Tag of metric was not present")
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assert.Equal(t, 1, len(tags), "Should only have one tag.")
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assert.Equal(t, "from_config", value, "Value of Tag was not changed")
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}
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func TestOverridesName(t *testing.T) {
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processor := Clone{NameOverride: "overridden"}
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processed := processor.Apply(createTestMetric())
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assert.Equal(t, "overridden", processed[0].Name(), "Name was not overridden")
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assert.Equal(t, "m1", processed[1].Name(), "Original metric was modified")
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}
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func TestNamePrefix(t *testing.T) {
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processor := Clone{NamePrefix: "Pre-"}
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processed := processor.Apply(createTestMetric())
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assert.Equal(t, "Pre-m1", processed[0].Name(), "Prefix was not applied")
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assert.Equal(t, "m1", processed[1].Name(), "Original metric was modified")
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}
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func TestNameSuffix(t *testing.T) {
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processor := Clone{NameSuffix: "-suff"}
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processed := processor.Apply(createTestMetric())
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assert.Equal(t, "m1-suff", processed[0].Name(), "Suffix was not applied")
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assert.Equal(t, "m1", processed[1].Name(), "Original metric was modified")
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}
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