go.etcd.io/etcd@v3.3.27+incompatible/proxy/httpproxy/director_test.go (about)

     1  // Copyright 2015 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package httpproxy
    16  
    17  import (
    18  	"net/url"
    19  	"reflect"
    20  	"sort"
    21  	"testing"
    22  	"time"
    23  )
    24  
    25  func TestNewDirectorScheme(t *testing.T) {
    26  	tests := []struct {
    27  		urls []string
    28  		want []string
    29  	}{
    30  		{
    31  			urls: []string{"http://192.0.2.8:4002", "http://example.com:8080"},
    32  			want: []string{"http://192.0.2.8:4002", "http://example.com:8080"},
    33  		},
    34  		{
    35  			urls: []string{"https://192.0.2.8:4002", "https://example.com:8080"},
    36  			want: []string{"https://192.0.2.8:4002", "https://example.com:8080"},
    37  		},
    38  
    39  		// accept urls without a port
    40  		{
    41  			urls: []string{"http://192.0.2.8"},
    42  			want: []string{"http://192.0.2.8"},
    43  		},
    44  
    45  		// accept urls even if they are garbage
    46  		{
    47  			urls: []string{"http://."},
    48  			want: []string{"http://."},
    49  		},
    50  	}
    51  
    52  	for i, tt := range tests {
    53  		uf := func() []string {
    54  			return tt.urls
    55  		}
    56  		got := newDirector(uf, time.Minute, time.Minute)
    57  
    58  		var gep []string
    59  		for _, ep := range got.ep {
    60  			gep = append(gep, ep.URL.String())
    61  		}
    62  		sort.Strings(tt.want)
    63  		sort.Strings(gep)
    64  		if !reflect.DeepEqual(tt.want, gep) {
    65  			t.Errorf("#%d: want endpoints = %#v, got = %#v", i, tt.want, gep)
    66  		}
    67  	}
    68  }
    69  
    70  func TestDirectorEndpointsFiltering(t *testing.T) {
    71  	d := director{
    72  		ep: []*endpoint{
    73  			{
    74  				URL:       url.URL{Scheme: "http", Host: "192.0.2.5:5050"},
    75  				Available: false,
    76  			},
    77  			{
    78  				URL:       url.URL{Scheme: "http", Host: "192.0.2.4:4000"},
    79  				Available: true,
    80  			},
    81  		},
    82  	}
    83  
    84  	got := d.endpoints()
    85  	want := []*endpoint{
    86  		{
    87  			URL:       url.URL{Scheme: "http", Host: "192.0.2.4:4000"},
    88  			Available: true,
    89  		},
    90  	}
    91  
    92  	if !reflect.DeepEqual(want, got) {
    93  		t.Fatalf("directed to incorrect endpoint: want = %#v, got = %#v", want, got)
    94  	}
    95  }