pkg/ccache
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Get now returns the *Item rather than the item's value. Get no longer actively

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purges stale items.

Combining these two changes, CCache can now be used to implement both of
Varnish's grace and saint mode.
This commit is contained in:
Karl Seguin
2014-10-25 17:15:47 +07:00
parent 3a00ce8f0a
commit 77765a3f11
7 changed files with 124 additions and 66 deletions
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12
cache_test.go
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@@ -19,7 +19,7 @@ func (c *CacheTests) DeletesAValue() {
cache.Set("worm", "sand", time.Minute)
cache.Delete("spice")
Expect(cache.Get("spice")).To.Equal(nil)
Expect(cache.Get("worm").(string)).To.Equal("sand")
Expect(cache.Get("worm").Value()).To.Equal("sand")
}
func (c *CacheTests) GCsTheOldestItems() {
@@ -31,7 +31,7 @@ func (c *CacheTests) GCsTheOldestItems() {
time.Sleep(time.Millisecond * 10)
cache.gc()
Expect(cache.Get("9")).To.Equal(nil)
Expect(cache.Get("10").(int)).To.Equal(10)
Expect(cache.Get("10").Value()).To.Equal(10)
}
func (c *CacheTests) PromotedItemsDontGetPruned() {
@@ -43,9 +43,9 @@ func (c *CacheTests) PromotedItemsDontGetPruned() {
cache.Get("9")
time.Sleep(time.Millisecond * 10)
cache.gc()
Expect(cache.Get("9").(int)).To.Equal(9)
Expect(cache.Get("9").Value()).To.Equal(9)
Expect(cache.Get("10")).To.Equal(nil)
Expect(cache.Get("11").(int)).To.Equal(11)
Expect(cache.Get("11").Value()).To.Equal(11)
}
func (c *CacheTests) TrackerDoesNotCleanupHeldInstance() {
@@ -56,7 +56,7 @@ func (c *CacheTests) TrackerDoesNotCleanupHeldInstance() {
item := cache.TrackingGet("0")
time.Sleep(time.Millisecond * 10)
cache.gc()
Expect(cache.Get("0").(int)).To.Equal(0)
Expect(cache.Get("0").Value()).To.Equal(0)
Expect(cache.Get("1")).To.Equal(nil)
item.Release()
cache.gc()
@@ -71,5 +71,5 @@ func (c *CacheTests) RemovesOldestItemWhenFull() {
time.Sleep(time.Millisecond * 10)
Expect(cache.Get("0")).To.Equal(nil)
Expect(cache.Get("1")).To.Equal(nil)
Expect(cache.Get("2").(int)).To.Equal(2)
Expect(cache.Get("2").Value()).To.Equal(2)
}