redis/with_conn_test.go

82 lines
1.6 KiB
Go

package redis
import (
"context"
"github.com/go-redis/redis/v9/internal/pool"
"github.com/go-redis/redis/v9/internal/proto"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
type timeoutErr struct {
error
}
func (e timeoutErr) Timeout() bool {
return true
}
func (e timeoutErr) Temporary() bool {
return true
}
func (e timeoutErr) Error() string {
return "i/o timeout"
}
var _ = Describe("withConn", func() {
var client *Client
BeforeEach(func() {
client = NewClient(&Options{
PoolSize: 1,
})
})
AfterEach(func() {
client.Close()
})
It("should replace the connection in the pool when there is no error", func() {
var conn *pool.Conn
client.withConn(ctx, func(ctx context.Context, c *pool.Conn) error {
conn = c
return nil
})
newConn, err := client.connPool.Get(ctx)
Expect(err).To(BeNil())
Expect(newConn).To(Equal(conn))
})
It("should replace the connection in the pool when there is an error not related to a bad connection", func() {
var conn *pool.Conn
client.withConn(ctx, func(ctx context.Context, c *pool.Conn) error {
conn = c
return proto.RedisError("LOADING")
})
newConn, err := client.connPool.Get(ctx)
Expect(err).To(BeNil())
Expect(newConn).To(Equal(conn))
})
It("should remove the connection from the pool when it times out", func() {
var conn *pool.Conn
client.withConn(ctx, func(ctx context.Context, c *pool.Conn) error {
conn = c
return timeoutErr{}
})
newConn, err := client.connPool.Get(ctx)
Expect(err).To(BeNil())
Expect(newConn).NotTo(Equal(conn))
Expect(client.connPool.Len()).To(Equal(1))
})
})