121 lines
3.0 KiB
Go
121 lines
3.0 KiB
Go
package accounting
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import (
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"context"
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"fmt"
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"runtime"
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"testing"
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"time"
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"github.com/rclone/rclone/fstest/testy"
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"github.com/stretchr/testify/assert"
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)
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func TestStatsGroupOperations(t *testing.T) {
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ctx := context.Background()
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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(ctx)
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sg := newStatsGroups()
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sg.set(ctx, "test", stats)
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sg.set(ctx, "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(ctx)
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sg := newStatsGroups()
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sg.set(ctx, "test", stats)
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sg.set(ctx, "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(ctx)
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stats1.bytes = 5
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stats1.errors = 6
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stats1.oldDuration = time.Second
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stats1.oldTimeRanges = []timeRange{{time.Now(), time.Now().Add(time.Second)}}
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stats2 := NewStats(ctx)
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stats2.bytes = 10
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stats2.errors = 12
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stats2.oldDuration = 2 * time.Second
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stats2.oldTimeRanges = []timeRange{{time.Now(), time.Now().Add(2 * time.Second)}}
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sg := newStatsGroups()
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sg.set(ctx, "test1", stats1)
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sg.set(ctx, "test2", stats2)
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sum := sg.sum(ctx)
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assert.Equal(t, stats1.bytes+stats2.bytes, sum.bytes)
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assert.Equal(t, stats1.errors+stats2.errors, sum.errors)
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assert.Equal(t, stats1.oldDuration+stats2.oldDuration, sum.oldDuration)
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// dict can iterate in either order
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a := timeRanges{stats1.oldTimeRanges[0], stats2.oldTimeRanges[0]}
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b := timeRanges{stats2.oldTimeRanges[0], stats1.oldTimeRanges[0]}
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if !assert.ObjectsAreEqual(a, sum.oldTimeRanges) {
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assert.Equal(t, b, sum.oldTimeRanges)
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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(ctx)
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sg := newStatsGroups()
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sg.set(ctx, "test", stats)
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sg.set(ctx, "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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testy.SkipUnreliable(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(ctx, fmt.Sprintf("test-%d", i), NewStats(ctx))
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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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