132 lines
2.2 KiB
Go
132 lines
2.2 KiB
Go
package cache_test
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
|
|
"github.com/matryer/is"
|
|
"go.sour.is/ev/pkg/cache"
|
|
)
|
|
|
|
func TestCache(t *testing.T) {
|
|
is := is.New(t)
|
|
ctx := context.Background()
|
|
|
|
c, err := cache.NewCache[string, int](1)
|
|
is.NoErr(err)
|
|
|
|
evicted := c.Add(ctx, "one", 1)
|
|
is.True(!evicted)
|
|
|
|
is.True(c.Contains("one"))
|
|
_, ok := c.Peek("one")
|
|
is.True(ok)
|
|
|
|
ok, evicted = c.ContainsOrAdd(ctx, "two", 2)
|
|
is.True(!ok)
|
|
is.True(evicted)
|
|
|
|
is.True(!c.Contains("one"))
|
|
is.True(c.Contains("two"))
|
|
|
|
is.Equal(c.Len(), 1)
|
|
is.Equal(c.Keys(), []string{"two"})
|
|
|
|
v, ok := c.Get("two")
|
|
is.True(ok)
|
|
is.Equal(*v, 2)
|
|
|
|
evictCount := c.Resize(ctx, 100)
|
|
is.True(evictCount == 0)
|
|
|
|
c.Add(ctx, "one", 1)
|
|
|
|
prev, ok, evicted := c.PeekOrAdd(ctx, "three", 3)
|
|
is.True(!ok)
|
|
is.True(!evicted)
|
|
is.Equal(prev, nil)
|
|
|
|
key, value, ok := c.GetOldest()
|
|
is.True(ok)
|
|
is.Equal(*key, "two")
|
|
is.Equal(*value, 2)
|
|
|
|
key, value, ok = c.RemoveOldest(ctx)
|
|
is.True(ok)
|
|
is.Equal(*key, "two")
|
|
is.Equal(*value, 2)
|
|
|
|
c.Remove(ctx, "one")
|
|
|
|
c.Purge(ctx)
|
|
is.True(!c.Contains("three"))
|
|
}
|
|
|
|
func TestCacheWithEvict(t *testing.T) {
|
|
is := is.New(t)
|
|
ctx := context.Background()
|
|
|
|
evictions := 0
|
|
|
|
c, err := cache.NewWithEvict(1, func(ctx context.Context, s string, i int) { evictions++ })
|
|
is.NoErr(err)
|
|
|
|
key, value, ok := c.GetOldest()
|
|
is.True(!ok)
|
|
is.Equal(key, nil)
|
|
is.Equal(value, nil)
|
|
|
|
key, value, ok = c.RemoveOldest(ctx)
|
|
is.True(!ok)
|
|
is.Equal(key, nil)
|
|
is.Equal(value, nil)
|
|
|
|
evicted := c.Add(ctx, "one", 1)
|
|
is.True(!evicted)
|
|
|
|
is.True(c.Contains("one"))
|
|
_, ok = c.Peek("one")
|
|
is.True(ok)
|
|
|
|
ok, evicted = c.ContainsOrAdd(ctx, "two", 2)
|
|
is.True(!ok)
|
|
is.True(evicted)
|
|
|
|
is.True(!c.Contains("one"))
|
|
is.True(c.Contains("two"))
|
|
|
|
is.Equal(c.Len(), 1)
|
|
is.Equal(c.Keys(), []string{"two"})
|
|
|
|
v, ok := c.Get("two")
|
|
is.True(ok)
|
|
is.Equal(*v, 2)
|
|
|
|
evictCount := c.Resize(ctx, 100)
|
|
is.True(evictCount == 0)
|
|
|
|
c.Add(ctx, "one", 1)
|
|
|
|
prev, ok, evicted := c.PeekOrAdd(ctx, "three", 3)
|
|
is.True(!ok)
|
|
is.True(!evicted)
|
|
is.Equal(prev, nil)
|
|
|
|
key, value, ok = c.GetOldest()
|
|
is.True(ok)
|
|
is.Equal(*key, "two")
|
|
is.Equal(*value, 2)
|
|
|
|
key, value, ok = c.RemoveOldest(ctx)
|
|
is.True(ok)
|
|
is.Equal(*key, "two")
|
|
is.Equal(*value, 2)
|
|
|
|
c.Resize(ctx, 1)
|
|
|
|
c.Purge(ctx)
|
|
is.True(!c.Contains("three"))
|
|
|
|
is.Equal(evictions, 4)
|
|
}
|