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|
package mock
import (
"context"
"errors"
redis "github.com/redis/go-redis/v9"
)
// InMemoryMockRedis is a very primitive in-memory redis-like feature. The main
// purpose of this struct is to give some backend to mocked unit tests.
type InMemoryMockRedis struct {
queues map[string][][]byte
}
func NewInMemoryMockRedis() InMemoryMockRedis {
return InMemoryMockRedis{
queues: map[string][][]byte{},
}
}
func (r *InMemoryMockRedis) LLen(ctx context.Context, key string) *redis.IntCmd {
cmd := redis.NewIntCmd(ctx)
cmd.SetVal(int64(len(r.queues[key])))
return cmd
}
func (r *InMemoryMockRedis) SAdd(ctx context.Context, key string, content []byte) *redis.IntCmd {
cmd := redis.NewIntCmd(ctx)
for _, value := range r.queues[key] {
if string(value) == string(content) {
cmd.SetVal(0)
return cmd
}
}
r.queues[key] = append(r.queues[key], content)
cmd.SetVal(1)
return cmd
}
func (r *InMemoryMockRedis) RPush(ctx context.Context, key string, content []byte) *redis.IntCmd {
cmd := redis.NewIntCmd(ctx)
r.queues[key] = append(r.queues[key], content)
cmd.SetVal(1)
return cmd
}
func (r *InMemoryMockRedis) LPop(ctx context.Context, key string) *redis.StringCmd {
cmd := redis.NewStringCmd(ctx)
queue, found := r.queues[key]
if !found {
cmd.SetErr(errors.New("queue not found"))
return cmd
}
if len(queue) < 1 {
cmd.SetErr(errors.New("queue is empty"))
return cmd
}
value, rest := queue[0], queue[1:]
r.queues[key] = rest
cmd.SetVal(string(value))
return cmd
}
func (r *InMemoryMockRedis) SRem(ctx context.Context, key string, content []byte) *redis.IntCmd {
cmd := redis.NewIntCmd(ctx)
queue, found := r.queues[key]
if !found {
cmd.SetErr(errors.New("queue not found"))
return cmd
}
if len(queue) < 1 {
cmd.SetErr(errors.New("queue is empty"))
return cmd
}
newList := [][]byte{}
for _, value := range queue {
if string(value) != string(content) {
newList = append(newList, value)
}
}
r.queues[key] = newList
cmd.SetVal(1)
return cmd
}
func (r *InMemoryMockRedis) SIsMember(ctx context.Context, key string, content []byte) *redis.BoolCmd {
cmd := redis.NewBoolCmd(ctx)
queue, found := r.queues[key]
if !found {
cmd.SetErr(errors.New("queue not found"))
return cmd
}
for _, value := range queue {
if string(value) == string(content) {
cmd.SetVal(true)
return cmd
}
}
cmd.SetVal(false)
return cmd
}
|
