Files
ccache/secondarycache_test.go
2022-03-03 09:01:45 +08:00

101 lines
3.5 KiB
Go

package ccache
import (
"strconv"
"testing"
"time"
"github.com/karlseguin/ccache/v3/assert"
)
func Test_SecondaryCache_GetsANonExistantValue(t *testing.T) {
cache := newLayered[string]().GetOrCreateSecondaryCache("foo")
assert.Equal(t, cache == nil, false)
}
func Test_SecondaryCache_SetANewValue(t *testing.T) {
cache := newLayered[string]()
cache.Set("spice", "flow", "a value", time.Minute)
sCache := cache.GetOrCreateSecondaryCache("spice")
assert.Equal(t, sCache.Get("flow").Value(), "a value")
assert.Equal(t, sCache.Get("stop"), nil)
}
func Test_SecondaryCache_ValueCanBeSeenInBothCaches1(t *testing.T) {
cache := newLayered[string]()
cache.Set("spice", "flow", "a value", time.Minute)
sCache := cache.GetOrCreateSecondaryCache("spice")
sCache.Set("orinoco", "another value", time.Minute)
assert.Equal(t, sCache.Get("orinoco").Value(), "another value")
assert.Equal(t, cache.Get("spice", "orinoco").Value(), "another value")
}
func Test_SecondaryCache_ValueCanBeSeenInBothCaches2(t *testing.T) {
cache := newLayered[string]()
sCache := cache.GetOrCreateSecondaryCache("spice")
sCache.Set("flow", "a value", time.Minute)
assert.Equal(t, sCache.Get("flow").Value(), "a value")
assert.Equal(t, cache.Get("spice", "flow").Value(), "a value")
}
func Test_SecondaryCache_DeletesAreReflectedInBothCaches(t *testing.T) {
cache := newLayered[string]()
cache.Set("spice", "flow", "a value", time.Minute)
cache.Set("spice", "sister", "ghanima", time.Minute)
sCache := cache.GetOrCreateSecondaryCache("spice")
cache.Delete("spice", "flow")
assert.Equal(t, cache.Get("spice", "flow"), nil)
assert.Equal(t, sCache.Get("flow"), nil)
sCache.Delete("sister")
assert.Equal(t, cache.Get("spice", "sister"), nil)
assert.Equal(t, sCache.Get("sister"), nil)
}
func Test_SecondaryCache_ReplaceDoesNothingIfKeyDoesNotExist(t *testing.T) {
cache := newLayered[string]()
sCache := cache.GetOrCreateSecondaryCache("spice")
assert.Equal(t, sCache.Replace("flow", "value-a"), false)
assert.Equal(t, cache.Get("spice", "flow"), nil)
}
func Test_SecondaryCache_ReplaceUpdatesTheValue(t *testing.T) {
cache := newLayered[string]()
cache.Set("spice", "flow", "value-a", time.Minute)
sCache := cache.GetOrCreateSecondaryCache("spice")
assert.Equal(t, sCache.Replace("flow", "value-b"), true)
assert.Equal(t, cache.Get("spice", "flow").Value(), "value-b")
}
func Test_SecondaryCache_FetchReturnsAnExistingValue(t *testing.T) {
cache := newLayered[string]()
cache.Set("spice", "flow", "value-a", time.Minute)
sCache := cache.GetOrCreateSecondaryCache("spice")
val, _ := sCache.Fetch("flow", time.Minute, func() (string, error) { return "a fetched value", nil })
assert.Equal(t, val.Value(), "value-a")
}
func Test_SecondaryCache_FetchReturnsANewValue(t *testing.T) {
cache := newLayered[string]()
sCache := cache.GetOrCreateSecondaryCache("spice")
val, _ := sCache.Fetch("flow", time.Minute, func() (string, error) { return "a fetched value", nil })
assert.Equal(t, val.Value(), "a fetched value")
}
func Test_SecondaryCache_TrackerDoesNotCleanupHeldInstance(t *testing.T) {
cache := Layered[int](Configure[int]().ItemsToPrune(10).Track())
for i := 0; i < 10; i++ {
cache.Set(strconv.Itoa(i), "a", i, time.Minute)
}
sCache := cache.GetOrCreateSecondaryCache("0")
item := sCache.TrackingGet("a")
time.Sleep(time.Millisecond * 10)
cache.GC()
assert.Equal(t, cache.Get("0", "a").Value(), 0)
assert.Equal(t, cache.Get("1", "a"), nil)
item.Release()
cache.GC()
assert.Equal(t, cache.Get("0", "a"), nil)
}