feat: adding unit testing for redis db client

redisdb/redis_db_test.go

@@ -0,0 +1,46 @@
+package redisdb
+
+import (
+	"fmt"
+	"github.com/go-redis/redis/v8"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+var redisOptions = &redis.Options{
+	Addr:     "localhost:6379",
+	Password: "",
+	DB:       0,
+}
+
+func TestNewRedisDB_WhenOptionsOk_ThenCreateClient(t *testing.T) {
+	got := NewRedisDB(redisOptions)
+	got.Close()
+
+	assert.NotNil(t, got)
+	assert.Equal(t, redisOptions.Addr, got.Options().Addr)
+	assert.Equal(t, redisOptions.Password, got.Options().Password)
+	assert.Equal(t, redisOptions.DB, got.Options().DB)
+}
+
+func TestNewRedisDB_WhenOptionsNil_ThenPanic(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			assert.Equal(t, fmt.Sprint("runtime error: invalid memory address or nil pointer dereference"), fmt.Sprint(r))
+		}
+	}()
+	NewRedisDB(nil)
+}
+
+func TestNewRedisDB_WhenOptionsContainBadAddr_ThenPanic(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			assert.Equal(t, fmt.Sprintln("Redis connection error dial tcp: lookup awdawdaw: no such host"), fmt.Sprint(r))
+		}
+	}()
+	NewRedisDB(&redis.Options{
+		Addr:     "bad:6379",
+		Password: "",
+		DB:       0,
+	})
+}