Add e2e tests

vendor/google.golang.org/grpc/resolver_conn_wrapper_test.go

@@ -0,0 +1,47 @@
+/*
+ *
+ * Copyright 2017 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package grpc
+
+import (
+	"testing"
+
+	"google.golang.org/grpc/resolver"
+)
+
+func TestParseTarget(t *testing.T) {
+	for _, test := range []resolver.Target{
+		{"", "", ""},
+		{"a", "", ""},
+		{"", "a", ""},
+		{"", "", "a"},
+		{"a", "b", ""},
+		{"a", "", "b"},
+		{"", "a", "b"},
+		{"a", "b", "c"},
+		{"dns", "a.server.com", "google.com"},
+		{"dns", "a.server.com", "google.com"},
+		{"dns", "a.server.com", "google.com/?a=b"},
+	} {
+		str := test.Scheme + "://" + test.Authority + "/" + test.Endpoint
+		got := parseTarget(str)
+		if got != test {
+			t.Errorf("parseTarget(%q) = %v, want %v", str, got, test)
+		}
+	}
+}