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processor_test.go
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processor_test.go
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package metricsdedupprocessor
import (
"context"
"path/filepath"
"testing"
"time"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/golden"
"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/pdatatest/pmetrictest"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/consumer/consumertest"
"go.opentelemetry.io/collector/processor/processortest"
)
func TestDedupNoDelayedReplica(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
config := &Config{
ReplicaLabel: "replica",
SwapTimeout: 1 * time.Minute,
}
testCases := []struct {
name string
}{
{
name: "no_replica_label",
},
{
name: "same_replica",
},
{
name: "different_replica_active_replica",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
next := &consumertest.MetricsSink{}
factory := NewFactory()
mgp, err := factory.CreateMetricsProcessor(
ctx,
processortest.NewNopSettings(),
config,
next,
)
require.NoError(t, err)
dir := filepath.Join("testdata", tc.name)
md, err := golden.ReadMetrics(filepath.Join(dir, "input.yaml"))
require.NoError(t, err)
// Test that ConsumeMetrics works
err = mgp.ConsumeMetrics(ctx, md)
require.NoError(t, err)
allMetrics := next.AllMetrics()
require.Len(t, allMetrics, 1)
expectedNextData, err := golden.ReadMetrics(filepath.Join(dir, "next.yaml"))
require.NoError(t, err)
require.NoError(t, pmetrictest.CompareMetrics(expectedNextData, allMetrics[0]))
})
}
}
func TestDedupDelayedReplica(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
config := &Config{
ReplicaLabel: "replica",
SwapTimeout: 1 * time.Second,
}
testCases := []struct {
name string
}{
{
name: "swap_replica",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
next := &consumertest.MetricsSink{}
factory := NewFactory()
mgp, err := factory.CreateMetricsProcessor(
ctx,
processortest.NewNopSettings(),
config,
next,
)
require.NoError(t, err)
dir := filepath.Join("testdata", tc.name)
md, err := golden.ReadMetrics(filepath.Join(dir, "first.yaml"))
require.NoError(t, err)
// Test that ConsumeMetrics works
err = mgp.ConsumeMetrics(ctx, md)
require.NoError(t, err)
time.Sleep(3 * time.Second)
md, err = golden.ReadMetrics(filepath.Join(dir, "second.yaml"))
require.NoError(t, err)
err = mgp.ConsumeMetrics(ctx, md)
require.NoError(t, err)
allMetrics := next.AllMetrics()
require.Len(t, allMetrics, 2)
expectedNextData, err := golden.ReadMetrics(filepath.Join(dir, "next.yaml"))
require.NoError(t, err)
require.NoError(t, pmetrictest.CompareMetrics(expectedNextData, allMetrics[1]))
})
}
}