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// Copyright 2012 Gary Burd
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package redis_test
import (
"context"
"errors"
"testing"
"time"
"github.com/gomodule/redigo/redis"
"github.com/stretchr/testify/require"
)
func TestPushed(t *testing.T) {
pc, err := redis.DialDefaultServer()
require.NoError(t, err)
defer pc.Close()
sc, err := redis.DialDefaultServer()
require.NoError(t, err)
defer sc.Close()
c := redis.PubSubConn{Conn: sc}
require.NoError(t, c.Subscribe("c1"))
require.Equal(t, redis.Subscription{Kind: "subscribe", Channel: "c1", Count: 1}, c.Receive())
require.NoError(t, c.Subscribe("c2"))
require.Equal(t, redis.Subscription{Kind: "subscribe", Channel: "c2", Count: 2}, c.Receive())
require.NoError(t, c.PSubscribe("p1"))
require.Equal(t, redis.Subscription{Kind: "psubscribe", Channel: "p1", Count: 3}, c.Receive())
require.NoError(t, c.PSubscribe("p2"))
require.Equal(t, redis.Subscription{Kind: "psubscribe", Channel: "p2", Count: 4}, c.Receive())
require.NoError(t, c.PUnsubscribe())
// Response can return in any order.
v := c.Receive()
require.IsType(t, redis.Subscription{}, v)
u := v.(redis.Subscription)
expected1 := redis.Subscription{Kind: "punsubscribe", Channel: "p1", Count: 3}
expected2 := redis.Subscription{Kind: "punsubscribe", Channel: "p2", Count: 2}
if u.Channel == "p2" {
// Order reversed.
expected1.Channel = "p2"
expected2.Channel = "p1"
}
require.Equal(t, expected1, u)
require.Equal(t, expected2, c.Receive())
_, err = pc.Do("PUBLISH", "c1", "hello")
require.NoError(t, err)
require.Equal(t, redis.Message{Channel: "c1", Data: []byte("hello")}, c.Receive())
require.NoError(t, c.Ping("hello"))
require.Equal(t, redis.Pong{Data: "hello"}, c.Receive())
require.NoError(t, c.Conn.Send("PING"))
c.Conn.Flush()
require.Equal(t, redis.Pong{}, c.Receive())
require.NoError(t, c.Ping("timeout"))
got := c.ReceiveWithTimeout(time.Minute)
if want := (redis.Pong{Data: "timeout"}); want != got {
t.Errorf("recv /w timeout got %v, want %v", got, want)
}
}
func TestPubSubReceiveContext(t *testing.T) {
sc, err := redis.DialDefaultServer()
if err != nil {
t.Fatalf("error connection to database, %v", err)
}
defer sc.Close()
c := redis.PubSubConn{Conn: sc}
require.NoError(t, c.Subscribe("c1"))
require.Equal(t, redis.Subscription{Kind: "subscribe", Channel: "c1", Count: 1}, c.Receive())
ctx, cancel := context.WithCancel(context.Background())
cancel()
got := c.ReceiveContext(ctx)
if err, ok := got.(error); !ok {
t.Errorf("recv w/canceled expected Canceled got non-error type %T", got)
} else if !errors.Is(err, context.Canceled) {
t.Errorf("recv w/canceled expected Canceled got %v", err)
}
}
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