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// +build go1.7
package redisc
import (
"context"
"testing"
"time"
"github.com/gomodule/redigo/redis"
"github.com/mna/redisc/redistest"
"github.com/stretchr/testify/assert"
)
// TestGetPoolTimedOut test case where we can't get the connection because the pool
// is full
func TestGetPoolTimedOut(t *testing.T) {
s := redistest.StartMockServer(t, func(cmd string, args ...string) interface{} {
return nil
})
defer s.Close()
p := &redis.Pool{
MaxActive: 1,
Dial: func() (redis.Conn, error) {
return redis.Dial("tcp", s.Addr)
},
Wait: true,
}
c := Cluster{
PoolWaitTime: 100 * time.Millisecond,
}
conn, err := c.getFromPool(p)
if assert.NoError(t, err) {
defer conn.Close()
}
// second connection should be failed because we only have 1 MaxActive
start := time.Now()
_, err = c.getFromPool(p)
if assert.Error(t, err) {
assert.Equal(t, context.DeadlineExceeded, err)
assert.True(t, time.Since(start) >= 100*time.Millisecond)
}
}
// TestGetPoolWaitOnFull test that we could get the connection when the pool
// is full and we can wait for it
func TestGetPoolWaitOnFull(t *testing.T) {
s := redistest.StartMockServer(t, func(cmd string, args ...string) interface{} {
return nil
})
defer s.Close()
var (
usageTime = 100 * time.Millisecond // how long the connection will be used
waitTime = 3 * usageTime // how long we want to wait
)
p := &redis.Pool{
MaxActive: 1,
Dial: func() (redis.Conn, error) {
return redis.Dial("tcp", s.Addr)
},
Wait: true,
}
c := Cluster{
PoolWaitTime: waitTime,
}
// first connection OK
conn, err := c.getFromPool(p)
assert.NoError(t, err)
// second connection should be failed because we only have 1 MaxActive
start := time.Now()
_, err = c.getFromPool(p)
if assert.Error(t, err) {
assert.Equal(t, context.DeadlineExceeded, err)
assert.True(t, time.Since(start) >= waitTime)
}
go func() {
time.Sleep(usageTime) // sleep before close, to simulate waiting for connection
conn.Close()
}()
start = time.Now()
conn2, err := c.getFromPool(p)
if assert.NoError(t, err) {
assert.True(t, time.Since(start) >= usageTime)
}
conn2.Close()
}
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