refactor project structure

db/server_test.go

@@ -0,0 +1,16 @@
+package db
+
+import (
+	"github.com/hdt3213/godis/redis/reply/asserts"
+	"testing"
+)
+
+func TestPing(t *testing.T) {
+	actual := Ping(testDB, toArgs())
+	asserts.AssertStatusReply(t, actual, "PONG")
+	val := RandString(5)
+	actual = Ping(testDB, toArgs(val))
+	asserts.AssertStatusReply(t, actual, val)
+	actual = Ping(testDB, toArgs(val, val))
+	asserts.AssertErrReply(t, actual, "ERR wrong number of arguments for 'ping' command")
+}