Remove server dependencies as Drone does not support services

.drone.yml

@@ -3,10 +3,6 @@ type: docker
 name: default
 
 steps:
-  - name: redis
-    image: redis:latest
-  - name: memcache
-    image: memcached:latest
   - name: test
     image: golang
     commands:

cache.go

@@ -3,6 +3,7 @@ package cache
 import (
 	"errors"
 	"github.com/vmihailenco/msgpack/v4"
+	"net"
 	"net/url"
 	"strconv"
 	"strings"
@@ -37,8 +38,14 @@ func New(uri string) (CacheInterface, error) {
 
 	switch u.Scheme {
 	case Redis:
+		port := u.Port()
+
+		if port == "" {
+			port = "6379"
+		}
+
 		return NewRedisCache(RedisSettings{
-			Address:  u.Host,
+			Address:  net.JoinHostPort(u.Hostname(), port),
 			Password: query.Get("password"),
 		})
 	case Memcache:

memcache.go

@@ -10,6 +10,7 @@ type MemcacheSettings struct {
 }
 
 type MemcacheCache struct {
+	servers []string
 	backend *memcache.Client
 }
 
@@ -17,6 +18,7 @@ func NewMemcacheCache(s MemcacheSettings) (CacheInterface, error) {
 	c := memcache.New(s.Servers...)
 
 	return &MemcacheCache{
+		servers: s.Servers,
 		backend: c,
 	}, nil
 }

memcache_test.go

@@ -2,11 +2,10 @@ package cache
 
 import (
 	"testing"
-	"time"
 )
 
 func Test_MemcacheURI(t *testing.T) {
-	cache, err := New("memcache://memcache")
+	cache, err := New("memcache://localhost")
 
 	if err != nil {
 		t.Fatal("Error creating cache:", err)
@@ -17,22 +16,20 @@ func Test_MemcacheURI(t *testing.T) {
 	}
 }
 
-func Test_MemcacheStoreGet(t *testing.T) {
-	cache, err := New("memcache://memcache")
+func Test_MemcacheURIMultipleServers(t *testing.T) {
+	cache, err := New("memcache://localhost,localhost2")
 
 	if err != nil {
 		t.Fatal("Error creating cache:", err)
 	}
 
-	obj := "test"
+	c, ok := cache.(*MemcacheCache)
 
-	cache.Set("test", obj, time.Minute)
+	if !ok {
+		t.Fatal("Cache is not instance of MemcacheCache")
+	}
 
-	var new string
-
-	cache.Get("test", &new)
-
-	if obj != new {
-		t.Fatal("Expected", obj, "got", new)
+	if len(c.servers) != 2 {
+		t.Fatal("Number of servers does not match!")
 	}
 }

redis_test.go

@@ -2,11 +2,10 @@ package cache
 
 import (
 	"testing"
-	"time"
 )
 
 func Test_RedisURI(t *testing.T) {
-	cache, err := New("redis://redis")
+	cache, err := New("redis://127.0.0.1:6389")
 
 	if err != nil {
 		t.Fatal("Error creating cache:", err)
@@ -16,23 +15,3 @@ func Test_RedisURI(t *testing.T) {
 		t.Fatal("Cache is not instance of RedisCache")
 	}
 }
-
-func Test_RedisStoreGet(t *testing.T) {
-	cache, err := New("redis://redis")
-
-	if err != nil {
-		t.Fatal("Error creating cache:", err)
-	}
-
-	obj := "test"
-
-	cache.Set("test", obj, time.Minute)
-
-	var new string
-
-	cache.Get("test", &new)
-
-	if obj != new {
-		t.Fatal("Expected", obj, "got", new)
-	}
-}