| // Copyright 2015 The etcd 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 rafthttp |
| |
| import ( |
| "net/url" |
| "testing" |
| |
| "github.com/coreos/etcd/pkg/testutil" |
| ) |
| |
| // TestURLPickerPickTwice tests that pick returns a possible url, |
| // and always returns the same one. |
| func TestURLPickerPickTwice(t *testing.T) { |
| picker := mustNewURLPicker(t, []string{"http://127.0.0.1:2380", "http://127.0.0.1:7001"}) |
| |
| u := picker.pick() |
| urlmap := map[url.URL]bool{ |
| {Scheme: "http", Host: "127.0.0.1:2380"}: true, |
| {Scheme: "http", Host: "127.0.0.1:7001"}: true, |
| } |
| if !urlmap[u] { |
| t.Errorf("url picked = %+v, want a possible url in %+v", u, urlmap) |
| } |
| |
| // pick out the same url when calling pick again |
| uu := picker.pick() |
| if u != uu { |
| t.Errorf("url picked = %+v, want %+v", uu, u) |
| } |
| } |
| |
| func TestURLPickerUpdate(t *testing.T) { |
| picker := mustNewURLPicker(t, []string{"http://127.0.0.1:2380", "http://127.0.0.1:7001"}) |
| picker.update(testutil.MustNewURLs(t, []string{"http://localhost:2380", "http://localhost:7001"})) |
| |
| u := picker.pick() |
| urlmap := map[url.URL]bool{ |
| {Scheme: "http", Host: "localhost:2380"}: true, |
| {Scheme: "http", Host: "localhost:7001"}: true, |
| } |
| if !urlmap[u] { |
| t.Errorf("url picked = %+v, want a possible url in %+v", u, urlmap) |
| } |
| } |
| |
| func TestURLPickerUnreachable(t *testing.T) { |
| picker := mustNewURLPicker(t, []string{"http://127.0.0.1:2380", "http://127.0.0.1:7001"}) |
| u := picker.pick() |
| picker.unreachable(u) |
| |
| uu := picker.pick() |
| if u == uu { |
| t.Errorf("url picked = %+v, want other possible urls", uu) |
| } |
| } |
| |
| func mustNewURLPicker(t *testing.T, us []string) *urlPicker { |
| urls := testutil.MustNewURLs(t, us) |
| return newURLPicker(urls) |
| } |