go-cache/cache_test.go

98 lines
2.1 KiB
Go

package cache
import (
"testing"
"time"
)
func TestCache(t *testing.T) {
tc := New(0, 0)
a, found := tc.Get("a")
if found || a != nil {
t.Error("Getting A found value that shouldn't exist:", a)
}
b, found := tc.Get("b")
if found || b != nil {
t.Error("Getting B found value that shouldn't exist:", b)
}
c, found := tc.Get("c")
if found || c != nil {
t.Error("Getting C found value that shouldn't exist:", c)
}
tc.Set("a", 1, 0)
tc.Set("b", "b", 0)
tc.Set("c", 3.5, 0)
x, found := tc.Get("a")
if !found {
t.Error("a was not found while getting a2")
}
if x == nil {
t.Error("x for a is nil")
} else if a2 := x.(int); a2 + 2 != 3 {
t.Error("a2 (which should be 1) plus 2 does not equal 3; value:", a2)
}
x, found = tc.Get("b")
if !found {
t.Error("b was not found while getting b2")
}
if x == nil {
t.Error("x for b is nil")
} else if b2 := x.(string); b2 + "B" != "bB" {
t.Error("b2 (which should be b) plus B does not equal bB; value:", b2)
}
x, found = tc.Get("c")
if !found {
t.Error("c was not found while getting c2")
}
if x == nil {
t.Error("x for c is nil")
} else if c2 := x.(float64); c2 + 1.2 != 4.7 {
t.Error("c2 (which should be 3.5) plus 1.2 does not equal 4.7; value:", c2)
}
}
func TestCacheTimes(t *testing.T) {
var found bool
tc := New(50*time.Millisecond, 1*time.Millisecond)
tc.Set("a", 1, 0)
tc.Set("b", 2, -1)
tc.Set("c", 3, 20*time.Millisecond)
tc.Set("d", 4, 70*time.Millisecond)
<-time.After(25*time.Millisecond)
_, found = tc.Get("c")
if found {
t.Error("Found c when it should have been automatically deleted")
}
<-time.After(30*time.Millisecond)
_, found = tc.Get("a")
if found {
t.Error("Found a when it should have been automatically deleted")
}
_, found = tc.Get("b")
if !found {
t.Error("Did not find b even though it was set to never expire")
}
_, found = tc.Get("d")
if !found {
t.Error("Did not find d even though it was set to expire later than the default")
}
<-time.After(20*time.Millisecond)
_, found = tc.Get("d")
if found {
t.Error("Found d when it should have been automatically deleted (later than the default)")
}
}