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mirror of https://github.com/rclone/rclone synced 2024-11-04 00:27:50 +01:00
rclone/fs/accounting/stats_groups_test.go
2020-06-15 21:34:37 +01:00

108 lines
2.4 KiB
Go

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