87ff947038
Ensure that clients can use the blob descriptor cache provider without needing the redis package. Signed-off-by: Stephen J Day <stephen.day@docker.com>
52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
package redis
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import (
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"flag"
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"os"
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"testing"
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"time"
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"github.com/docker/distribution/registry/storage/cache"
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"github.com/garyburd/redigo/redis"
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)
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var redisAddr string
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func init() {
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flag.StringVar(&redisAddr, "test.registry.storage.cache.redis.addr", "", "configure the address of a test instance of redis")
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}
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// TestRedisLayerInfoCache exercises a live redis instance using the cache
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// implementation.
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func TestRedisBlobDescriptorCacheProvider(t *testing.T) {
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if redisAddr == "" {
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// fallback to an environement variable
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redisAddr = os.Getenv("TEST_REGISTRY_STORAGE_CACHE_REDIS_ADDR")
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}
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if redisAddr == "" {
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// skip if still not set
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t.Skip("please set -registry.storage.cache.redis to test layer info cache against redis")
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}
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pool := &redis.Pool{
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Dial: func() (redis.Conn, error) {
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return redis.Dial("tcp", redisAddr)
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},
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MaxIdle: 1,
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MaxActive: 2,
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TestOnBorrow: func(c redis.Conn, t time.Time) error {
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_, err := c.Do("PING")
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return err
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},
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Wait: false, // if a connection is not avialable, proceed without cache.
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}
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// Clear the database
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if _, err := pool.Get().Do("FLUSHDB"); err != nil {
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t.Fatalf("unexpected error flushing redis db: %v", err)
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}
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cache.CheckBlobDescriptorCache(t, NewRedisBlobDescriptorCacheProvider(pool))
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}
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