chore: move the go code into a subfolder

apps/api/internal/eventstore/handler/v2/metrics_test.go

@@ -0,0 +1,132 @@
+package handler
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/zitadel/zitadel/internal/telemetry/metrics"
+)
+
+func TestNewProjectionMetrics(t *testing.T) {
+	mockMetrics := metrics.NewMockMetrics()
+	metrics.M = mockMetrics
+
+	metrics := NewProjectionMetrics()
+	require.NotNil(t, metrics)
+	assert.NotNil(t, metrics.provider)
+}
+
+func TestProjectionMetrics_ProjectionUpdateTiming(t *testing.T) {
+
+	mockMetrics := metrics.NewMockMetrics()
+	metrics.M = mockMetrics
+	projectionMetrics := NewProjectionMetrics()
+
+	ctx := context.Background()
+	projection := "test_projection"
+	duration := 0.5
+
+	projectionMetrics.ProjectionUpdateTiming(ctx, projection, duration)
+
+	values := mockMetrics.GetHistogramValues(ProjectionHandleTimerMetric)
+	require.Len(t, values, 1)
+	assert.Equal(t, duration, values[0])
+
+	labels := mockMetrics.GetHistogramLabels(ProjectionHandleTimerMetric)
+	require.Len(t, labels, 1)
+	assert.Equal(t, projection, labels[0][ProjectionLabel].AsString())
+}
+
+func TestProjectionMetrics_ProjectionEventsProcessed(t *testing.T) {
+
+	mockMetrics := metrics.NewMockMetrics()
+	metrics.M = mockMetrics
+	projectionMetrics := NewProjectionMetrics()
+
+	ctx := context.Background()
+	projection := "test_projection"
+	count := int64(5)
+	success := true
+
+	projectionMetrics.ProjectionEventsProcessed(ctx, projection, count, success)
+
+	value := mockMetrics.GetCounterValue(ProjectionEventsProcessed)
+	assert.Equal(t, count, value)
+
+	labels := mockMetrics.GetCounterLabels(ProjectionEventsProcessed)
+	require.Len(t, labels, 1)
+	assert.Equal(t, projection, labels[0][ProjectionLabel].AsString())
+	assert.Equal(t, success, labels[0][SuccessLabel].AsBool())
+}
+
+func TestProjectionMetrics_ProjectionStateLatency(t *testing.T) {
+
+	mockMetrics := metrics.NewMockMetrics()
+	metrics.M = mockMetrics
+	projectionMetrics := NewProjectionMetrics()
+
+	ctx := context.Background()
+	projection := "test_projection"
+	latency := 10.0
+
+	projectionMetrics.ProjectionStateLatency(ctx, projection, latency)
+
+	values := mockMetrics.GetHistogramValues(ProjectionStateLatencyMetric)
+	require.Len(t, values, 1)
+	assert.Equal(t, latency, values[0])
+
+	labels := mockMetrics.GetHistogramLabels(ProjectionStateLatencyMetric)
+	require.Len(t, labels, 1)
+	assert.Equal(t, projection, labels[0][ProjectionLabel].AsString())
+}
+
+func TestProjectionMetrics_Integration(t *testing.T) {
+
+	mockMetrics := metrics.NewMockMetrics()
+	metrics.M = mockMetrics
+	projectionMetrics := NewProjectionMetrics()
+
+	ctx := context.Background()
+	projection := "test_projection"
+
+	start := time.Now()
+
+	projectionMetrics.ProjectionEventsProcessed(ctx, projection, 3, true)
+	projectionMetrics.ProjectionEventsProcessed(ctx, projection, 1, false)
+
+	duration := time.Since(start).Seconds()
+	projectionMetrics.ProjectionUpdateTiming(ctx, projection, duration)
+
+	latency := 5.0
+	projectionMetrics.ProjectionStateLatency(ctx, projection, latency)
+
+	value := mockMetrics.GetCounterValue(ProjectionEventsProcessed)
+	assert.Equal(t, int64(4), value)
+
+	timingValues := mockMetrics.GetHistogramValues(ProjectionHandleTimerMetric)
+	require.Len(t, timingValues, 1)
+	assert.Equal(t, duration, timingValues[0])
+
+	latencyValues := mockMetrics.GetHistogramValues(ProjectionStateLatencyMetric)
+	require.Len(t, latencyValues, 1)
+	assert.Equal(t, latency, latencyValues[0])
+
+	eventsLabels := mockMetrics.GetCounterLabels(ProjectionEventsProcessed)
+	require.Len(t, eventsLabels, 2)
+	assert.Equal(t, projection, eventsLabels[0][ProjectionLabel].AsString())
+	assert.Equal(t, true, eventsLabels[0][SuccessLabel].AsBool())
+	assert.Equal(t, projection, eventsLabels[1][ProjectionLabel].AsString())
+	assert.Equal(t, false, eventsLabels[1][SuccessLabel].AsBool())
+
+	timingLabels := mockMetrics.GetHistogramLabels(ProjectionHandleTimerMetric)
+	require.Len(t, timingLabels, 1)
+	assert.Equal(t, projection, timingLabels[0][ProjectionLabel].AsString())
+
+	latencyLabels := mockMetrics.GetHistogramLabels(ProjectionStateLatencyMetric)
+	require.Len(t, latencyLabels, 1)
+	assert.Equal(t, projection, latencyLabels[0][ProjectionLabel].AsString())
+}