mirror of
https://github.com/etcd-io/etcd.git
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74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
// Copyright 2015 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rafthttp
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import (
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"net/url"
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"testing"
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"github.com/coreos/etcd/pkg/testutil"
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)
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// TestURLPickerPickTwice tests that pick returns a possible url,
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// and always returns the same one.
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func TestURLPickerPickTwice(t *testing.T) {
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picker := mustNewURLPicker(t, []string{"http://127.0.0.1:2380", "http://127.0.0.1:7001"})
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u := picker.pick()
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urlmap := map[url.URL]bool{
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{Scheme: "http", Host: "127.0.0.1:2380"}: true,
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{Scheme: "http", Host: "127.0.0.1:7001"}: true,
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}
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if !urlmap[u] {
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t.Errorf("url picked = %+v, want a possible url in %+v", u, urlmap)
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}
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// pick out the same url when calling pick again
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uu := picker.pick()
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if u != uu {
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t.Errorf("url picked = %+v, want %+v", uu, u)
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}
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}
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func TestURLPickerUpdate(t *testing.T) {
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picker := mustNewURLPicker(t, []string{"http://127.0.0.1:2380", "http://127.0.0.1:7001"})
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picker.update(testutil.MustNewURLs(t, []string{"http://localhost:2380", "http://localhost:7001"}))
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u := picker.pick()
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urlmap := map[url.URL]bool{
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{Scheme: "http", Host: "localhost:2380"}: true,
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{Scheme: "http", Host: "localhost:7001"}: true,
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}
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if !urlmap[u] {
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t.Errorf("url picked = %+v, want a possible url in %+v", u, urlmap)
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}
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}
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func TestURLPickerUnreachable(t *testing.T) {
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picker := mustNewURLPicker(t, []string{"http://127.0.0.1:2380", "http://127.0.0.1:7001"})
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u := picker.pick()
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picker.unreachable(u)
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uu := picker.pick()
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if u == uu {
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t.Errorf("url picked = %+v, want other possible urls", uu)
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}
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}
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func mustNewURLPicker(t *testing.T, us []string) *urlPicker {
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urls := testutil.MustNewURLs(t, us)
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return newURLPicker(urls)
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}
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