redis_test.go

Copyright 2023 Red Hat, Inc

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 services contains interface implementations to other services that are called from Smart Proxy.

package
redis_test
import
(
"context"
"errors"
"testing"
"time"
"github.com/RedHatInsights/insights-operator-utils/redis"
"github.com/go-redis/redismock/v9"
"github.com/stretchr/testify/assert"
)
var
(
ctx
context
.
Context
defaultRedisAddress
=
"loclahost:6379"
defaultRedisDatabase
=
0
defaultRedisPassword
=
"psw"
defaultRedisTimeoutSeconds
=
30
)

set default conf

func
init
(
)
{
ctx
=
context
.
Background
(
)
}
func
getMockRedis
(
)
(
mockClient
redis
.
Client
,
mockServer
redismock
.
ClientMock
,
)
{
client
,
mockServer
:=
redismock
.
NewClientMock
(
)
mockClient
=
redis
.
Client
{
Connection
:
client
,
}
return
}
func
redisExpectationsMet
(
t
*
testing
.
T
,
mock
redismock
.
ClientMock
)
{
if
err
:=
mock
.
ExpectationsWereMet
(
)
;
err
!=
nil
{
t
.
Error
(
err
)
}
}
func
TestCreateRedisClientOK
(
t
*
testing
.
T
)
{
client
,
err
:=
redis
.
CreateRedisClient
(
defaultRedisAddress
,
defaultRedisDatabase
,
defaultRedisPassword
,
defaultRedisTimeoutSeconds
,
)
assert
.
NoError
(
t
,
err
)
options
:=
client
.
Options
(
)
assert
.
NoError
(
t
,
err
)
assert
.
Equal
(
t
,
options
.
Addr
,
defaultRedisAddress
)
assert
.
Equal
(
t
,
options
.
DB
,
defaultRedisDatabase
)
assert
.
Equal
(
t
,
options
.
Password
,
defaultRedisPassword
)
assert
.
Equal
(
t
,
options
.
ReadTimeout
,
time
.
Duration
(
defaultRedisTimeoutSeconds
)
*
time
.
Second
)
}
func
TestCreateRedisClientBadAddress
(
t
*
testing
.
T
)
{

empty address

	
client
,
err
:=
redis
.
CreateRedisClient
(
""
,
defaultRedisDatabase
,
defaultRedisPassword
,
defaultRedisTimeoutSeconds
,
)
assert
.
Nil
(
t
,
client
)
assert
.
Error
(
t
,
err
)
}
func
TestCreateRedisClientDBIndexOutOfRange
(
t
*
testing
.
T
)
{

Redis supports "only" 16 different databases with indices 0-15

	
client
,
err
:=
redis
.
CreateRedisClient
(
defaultRedisAddress
,
16
,
defaultRedisPassword
,
defaultRedisTimeoutSeconds
,
)
assert
.
Nil
(
t
,
client
)
assert
.
Error
(
t
,
err
)
}
func
TestRedisHealthCheckOK
(
t
*
testing
.
T
)
{
client
,
server
:=
getMockRedis
(
)
server
.
ExpectPing
(
)
.
SetVal
(
"PONG"
)
err
:=
client
.
HealthCheck
(
)
assert
.
NoError
(
t
,
err
)
redisExpectationsMet
(
t
,
server
)
}
func
TestRedisHealthCheckError
(
t
*
testing
.
T
)
{
client
,
server
:=
getMockRedis
(
)
server
.
ExpectPing
(
)
.
SetErr
(
errors
.
New
(
"mock error"
)
)
err
:=
client
.
HealthCheck
(
)
assert
.
Error
(
t
,
err
)
redisExpectationsMet
(
t
,
server
)
}
func
TestRedisHealthCheckBadResponse
(
t
*
testing
.
T
)
{
client
,
server
:=
getMockRedis
(
)

cover 2nd condition

	
server
.
ExpectPing
(
)
.
SetVal
(
"ka-boom"
)
err
:=
client
.
HealthCheck
(
)
assert
.
Error
(
t
,
err
)
redisExpectationsMet
(
t
,
server
)
}