go.uber.org/yarpc@v1.72.1/peer/pendingheap/config_test.go (about)

     1  // Copyright (c) 2022 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package pendingheap
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/require"
    27  	"go.uber.org/yarpc/api/peer"
    28  	"go.uber.org/yarpc/peer/hostport"
    29  	"go.uber.org/yarpc/yarpcconfig"
    30  	"go.uber.org/yarpc/yarpctest"
    31  )
    32  
    33  func TestPendingHeapConfig(t *testing.T) {
    34  	minus1, zero, twenty := -1, 0, 20
    35  	tests := []struct {
    36  		name    string
    37  		cfg     Configuration
    38  		wantErr bool
    39  	}{
    40  		{
    41  			name: "no configuration",
    42  		},
    43  		{
    44  			name: "negative capacity",
    45  			cfg: Configuration{
    46  				Capacity: &minus1,
    47  			},
    48  			wantErr: true,
    49  		},
    50  		{
    51  			name: "zero capacity",
    52  			cfg: Configuration{
    53  				Capacity: &zero,
    54  			},
    55  			wantErr: true,
    56  		},
    57  		{
    58  			name: "valid capacity",
    59  			cfg: Configuration{
    60  				Capacity: &twenty,
    61  			},
    62  		},
    63  	}
    64  
    65  	s := Spec()
    66  	for _, tt := range tests {
    67  		t.Run(tt.name, func(t *testing.T) {
    68  			build := s.BuildPeerList.(func(Configuration, peer.Transport, *yarpcconfig.Kit) (peer.ChooserList, error))
    69  			pl, err := build(tt.cfg, yarpctest.NewFakeTransport(), nil)
    70  
    71  			if tt.wantErr {
    72  				require.Error(t, err, "must not construct a peer list")
    73  
    74  			} else {
    75  				require.NoError(t, err)
    76  				pl.Update(peer.ListUpdates{Additions: []peer.Identifier{hostport.PeerIdentifier("foo-host:port")}})
    77  			}
    78  		})
    79  	}
    80  }