Move selector to client/selector

client/selector/default_test.go

@@ -0,0 +1,31 @@
+package selector
+
+import (
+	"testing"
+
+	"github.com/micro/go-micro/registry/memory"
+)
+
+func TestRegistrySelector(t *testing.T) {
+	counts := map[string]int{}
+
+	r := memory.NewRegistry()
+	rg := r.(*memory.Registry)
+	rg.Services = testData
+	cache := NewSelector(Registry(r))
+
+	next, err := cache.Select("foo")
+	if err != nil {
+		t.Errorf("Unexpected error calling cache select: %v", err)
+	}
+
+	for i := 0; i < 100; i++ {
+		node, err := next()
+		if err != nil {
+			t.Errorf("Expected node err, got err: %v", err)
+		}
+		counts[node.Id]++
+	}
+
+	t.Logf("Selector Counts %v", counts)
+}