| /* |
| * |
| * 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 ( |
| "fmt" |
| "net" |
| "testing" |
| "time" |
| |
| "google.golang.org/grpc/resolver" |
| ) |
| |
| func TestParseTarget(t *testing.T) { |
| for _, test := range []resolver.Target{ |
| {"dns", "", "google.com"}, |
| {"dns", "a.server.com", "google.com"}, |
| {"dns", "a.server.com", "google.com/?a=b"}, |
| {"passthrough", "", "/unix/socket/address"}, |
| } { |
| str := test.Scheme + "://" + test.Authority + "/" + test.Endpoint |
| got := parseTarget(str) |
| if got != test { |
| t.Errorf("parseTarget(%q) = %+v, want %+v", str, got, test) |
| } |
| } |
| } |
| |
| func TestParseTargetString(t *testing.T) { |
| for _, test := range []struct { |
| targetStr string |
| want resolver.Target |
| }{ |
| {"", resolver.Target{"", "", ""}}, |
| {":///", resolver.Target{"", "", ""}}, |
| {"a:///", resolver.Target{"a", "", ""}}, |
| {"://a/", resolver.Target{"", "a", ""}}, |
| {":///a", resolver.Target{"", "", "a"}}, |
| {"a://b/", resolver.Target{"a", "b", ""}}, |
| {"a:///b", resolver.Target{"a", "", "b"}}, |
| {"://a/b", resolver.Target{"", "a", "b"}}, |
| {"a://b/c", resolver.Target{"a", "b", "c"}}, |
| {"dns:///google.com", resolver.Target{"dns", "", "google.com"}}, |
| {"dns://a.server.com/google.com", resolver.Target{"dns", "a.server.com", "google.com"}}, |
| {"dns://a.server.com/google.com/?a=b", resolver.Target{"dns", "a.server.com", "google.com/?a=b"}}, |
| |
| {"/", resolver.Target{"", "", "/"}}, |
| {"google.com", resolver.Target{"", "", "google.com"}}, |
| {"google.com/?a=b", resolver.Target{"", "", "google.com/?a=b"}}, |
| {"/unix/socket/address", resolver.Target{"", "", "/unix/socket/address"}}, |
| |
| // If we can only parse part of the target. |
| {"://", resolver.Target{"", "", "://"}}, |
| {"unix://domain", resolver.Target{"", "", "unix://domain"}}, |
| {"a:b", resolver.Target{"", "", "a:b"}}, |
| {"a/b", resolver.Target{"", "", "a/b"}}, |
| {"a:/b", resolver.Target{"", "", "a:/b"}}, |
| {"a//b", resolver.Target{"", "", "a//b"}}, |
| {"a://b", resolver.Target{"", "", "a://b"}}, |
| } { |
| got := parseTarget(test.targetStr) |
| if got != test.want { |
| t.Errorf("parseTarget(%q) = %+v, want %+v", test.targetStr, got, test.want) |
| } |
| } |
| } |
| |
| // The target string with unknown scheme should be kept unchanged and passed to |
| // the dialer. |
| func TestDialParseTargetUnknownScheme(t *testing.T) { |
| for _, test := range []struct { |
| targetStr string |
| want string |
| }{ |
| {"/unix/socket/address", "/unix/socket/address"}, |
| |
| // Special test for "unix:///". |
| {"unix:///unix/socket/address", "unix:///unix/socket/address"}, |
| |
| // For known scheme. |
| {"passthrough://a.server.com/google.com", "google.com"}, |
| } { |
| dialStrCh := make(chan string, 1) |
| cc, err := Dial(test.targetStr, WithInsecure(), WithDialer(func(t string, _ time.Duration) (net.Conn, error) { |
| dialStrCh <- t |
| return nil, fmt.Errorf("test dialer, always error") |
| })) |
| if err != nil { |
| t.Fatalf("Failed to create ClientConn: %v", err) |
| } |
| got := <-dialStrCh |
| cc.Close() |
| if got != test.want { |
| t.Errorf("Dial(%q), dialer got %q, want %q", test.targetStr, got, test.want) |
| } |
| } |
| } |