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package ingester
import (
"context"
"testing"
"time"
"epimetheus/internal/config"
"epimetheus/internal/metrics"
)
func TestDetermineMode(t *testing.T) {
tests := []struct {
name string
timestamp time.Time
want config.Mode
}{
{
name: "current time is realtime",
timestamp: time.Now(),
want: config.ModeRealtime,
},
{
name: "1 minute ago is realtime",
timestamp: time.Now().Add(-1 * time.Minute),
want: config.ModeRealtime,
},
{
name: "4 minutes ago is realtime",
timestamp: time.Now().Add(-4 * time.Minute),
want: config.ModeRealtime,
},
{
name: "6 minutes ago is historic",
timestamp: time.Now().Add(-6 * time.Minute),
want: config.ModeHistoric,
},
{
name: "1 hour ago is historic",
timestamp: time.Now().Add(-1 * time.Hour),
want: config.ModeHistoric,
},
{
name: "1 day ago is historic",
timestamp: time.Now().Add(-24 * time.Hour),
want: config.ModeHistoric,
},
{
name: "exactly 5 minutes is historic (edge case)",
timestamp: time.Now().Add(-5 * time.Minute),
want: config.ModeHistoric,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := DetermineMode(tt.timestamp)
if got != tt.want {
age := time.Since(tt.timestamp)
t.Errorf("DetermineMode() = %v, want %v (age: %v)", got, tt.want, age)
}
})
}
}
func TestGroupSamplesByMode(t *testing.T) {
now := time.Now()
samples := []metrics.Sample{
{MetricName: "metric1", Timestamp: now.Add(-1 * time.Minute)}, // realtime
{MetricName: "metric2", Timestamp: now.Add(-2 * time.Minute)}, // realtime
{MetricName: "metric3", Timestamp: now.Add(-10 * time.Minute)}, // historic
{MetricName: "metric4", Timestamp: now.Add(-1 * time.Hour)}, // historic
{MetricName: "metric5", Timestamp: now.Add(-30 * time.Second)}, // realtime
}
realtime, historic := groupSamplesByMode(samples)
if len(realtime) != 3 {
t.Errorf("Got %d realtime samples, want 3", len(realtime))
}
if len(historic) != 2 {
t.Errorf("Got %d historic samples, want 2", len(historic))
}
// Verify correct grouping
for _, s := range realtime {
if DetermineMode(s.Timestamp) != config.ModeRealtime {
t.Errorf("Sample %s incorrectly grouped as realtime (age: %v)", s.MetricName, s.Age())
}
}
for _, s := range historic {
if DetermineMode(s.Timestamp) != config.ModeHistoric {
t.Errorf("Sample %s incorrectly grouped as historic (age: %v)", s.MetricName, s.Age())
}
}
}
func TestFormatDuration(t *testing.T) {
tests := []struct {
name string
duration time.Duration
want string
}{
{
name: "seconds",
duration: 45 * time.Second,
want: "45 seconds",
},
{
name: "minutes",
duration: 5 * time.Minute,
want: "5 minutes",
},
{
name: "hours",
duration: 2*time.Hour + 30*time.Minute,
want: "2.5 hours",
},
{
name: "days",
duration: 36 * time.Hour,
want: "1.5 days",
},
{
name: "less than minute",
duration: 30 * time.Second,
want: "30 seconds",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := formatDuration(tt.duration)
if got != tt.want {
t.Errorf("formatDuration() = %v, want %v", got, tt.want)
}
})
}
}
func TestAutoIngester_Ingest_EmptySamples(t *testing.T) {
collectors := metrics.NewCollectors()
autoIngester := NewAutoIngester(collectors)
ctx := context.Background()
cfg := config.NewConfig()
err := autoIngester.Ingest(ctx, []metrics.Sample{}, cfg)
if err == nil {
t.Error("Expected error for empty samples, got nil")
}
if err.Error() != "no samples to ingest" {
t.Errorf("Expected 'no samples to ingest' error, got: %v", err)
}
}
func TestAutoIngester_New(t *testing.T) {
collectors := metrics.NewCollectors()
ingester := NewAutoIngester(collectors)
// Verify ingester was created with components
if ingester.collectors.RequestsTotal == nil {
t.Error("AutoIngester.collectors not initialized properly")
}
}
|
