peerResolver_test.go

// Copyright (c) 2021 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package history

import (
	"errors"
	"testing"

	gomock "github.com/golang/mock/gomock"
	"github.com/stretchr/testify/assert"

	"github.com/uber/cadence/common"
	"github.com/uber/cadence/common/membership"
	"github.com/uber/cadence/common/service"
)

func TestPeerResolver(t *testing.T) {
	numShards := 123
	controller := gomock.NewController(t)
	serviceResolver := membership.NewMockResolver(controller)
	serviceResolver.EXPECT().Lookup(
		service.History, string(rune(common.DomainIDToHistoryShard("domainID", numShards)))).Return(
		membership.NewDetailedHostInfo(
			"domainHost:123",
			"domainHost_123",
			membership.PortMap{membership.PortTchannel: 1234}),
		nil)
	serviceResolver.EXPECT().Lookup(service.History, string(rune(common.WorkflowIDToHistoryShard("workflowID", numShards)))).Return(
		membership.NewDetailedHostInfo(
			"workflowHost:123",
			"workflow",
			membership.PortMap{membership.PortTchannel: 1235, membership.PortGRPC: 1666}), nil)

	serviceResolver.EXPECT().Lookup(service.History, string(rune(99))).Return(
		membership.NewDetailedHostInfo(
			"shardHost:123",
			"shard_123",
			membership.PortMap{membership.PortTchannel: 1235}),
		nil)

	serviceResolver.EXPECT().LookupByAddress(service.History, "invalid address").Return(
		membership.HostInfo{},
		errors.New("host not found"),
	)

	serviceResolver.EXPECT().Lookup(service.History, string(rune(11))).Return(membership.HostInfo{}, assert.AnError)

	r := NewPeerResolver(numShards, serviceResolver, membership.PortTchannel)

	peer, err := r.FromDomainID("domainID")
	assert.NoError(t, err)
	assert.Equal(t, "domainHost:1234", peer)

	peer, err = r.FromWorkflowID("workflowID")
	assert.NoError(t, err)
	assert.Equal(t, "workflowHost:1235", peer)

	peer, err = r.FromShardID(99)
	assert.NoError(t, err)
	assert.Equal(t, "shardHost:1235", peer)

	_, err = r.FromShardID(11)
	assert.Error(t, err)

	_, err = r.FromHostAddress("invalid address")
	assert.Error(t, err)

}