105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
package accounting
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import (
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"fmt"
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"runtime"
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"testing"
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)
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func TestStatsGroupOperations(t *testing.T) {
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t.Run("empty group returns nil", func(t *testing.T) {
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t.Parallel()
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sg := newStatsGroups()
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sg.get("invalid-group")
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})
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t.Run("set assigns stats to group", func(t *testing.T) {
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t.Parallel()
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stats := NewStats()
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sg := newStatsGroups()
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sg.set("test", stats)
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sg.set("test1", stats)
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if len(sg.m) != len(sg.names()) || len(sg.m) != 2 {
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t.Fatalf("Expected two stats got %d, %d", len(sg.m), len(sg.order))
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}
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})
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t.Run("get returns correct group", func(t *testing.T) {
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t.Parallel()
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stats := NewStats()
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sg := newStatsGroups()
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sg.set("test", stats)
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sg.set("test1", stats)
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got := sg.get("test")
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if got != stats {
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t.Fatal("get returns incorrect stats")
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}
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})
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t.Run("sum returns correct values", func(t *testing.T) {
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t.Parallel()
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stats1 := NewStats()
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stats1.bytes = 5
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stats1.errors = 5
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stats2 := NewStats()
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sg := newStatsGroups()
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sg.set("test1", stats1)
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sg.set("test2", stats2)
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sum := sg.sum()
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if sum.bytes != stats1.bytes+stats2.bytes {
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t.Fatalf("sum() => bytes %d, expected %d", sum.bytes, stats1.bytes+stats2.bytes)
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}
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if sum.errors != stats1.errors+stats2.errors {
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t.Fatalf("sum() => errors %d, expected %d", sum.errors, stats1.errors+stats2.errors)
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}
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})
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t.Run("delete removes stats", func(t *testing.T) {
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t.Parallel()
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stats := NewStats()
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sg := newStatsGroups()
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sg.set("test", stats)
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sg.set("test1", stats)
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sg.delete("test1")
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if sg.get("test1") != nil {
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t.Fatal("stats not deleted")
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}
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if len(sg.m) != len(sg.names()) || len(sg.m) != 1 {
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t.Fatalf("Expected two stats got %d, %d", len(sg.m), len(sg.order))
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}
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})
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t.Run("memory is reclaimed", func(t *testing.T) {
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var (
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count = 1000
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start, end runtime.MemStats
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sg = newStatsGroups()
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)
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runtime.GC()
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runtime.ReadMemStats(&start)
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for i := 0; i < count; i++ {
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sg.set(fmt.Sprintf("test-%d", i), NewStats())
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}
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for i := 0; i < count; i++ {
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sg.delete(fmt.Sprintf("test-%d", i))
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}
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runtime.GC()
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runtime.ReadMemStats(&end)
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t.Log(fmt.Sprintf("%+v\n%+v", start, end))
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diff := percentDiff(start.HeapObjects, end.HeapObjects)
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if diff > 1 || diff < 0 {
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t.Errorf("HeapObjects = %d, expected %d", end.HeapObjects, start.HeapObjects)
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}
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})
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}
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func percentDiff(start, end uint64) uint64 {
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return (start - end) * 100 / start
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}
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