seaweedfs/weed/mq/pub_balancer/allocate_test.go
Chris Lu 580940bf82
Merge accumulated changes related to message queue (#5098)
* balance partitions on brokers

* prepare topic partition first and then publish, move partition

* purge unused APIs

* clean up

* adjust logs

* add BalanceTopics() grpc API

* configure topic

* configure topic command

* refactor

* repair missing partitions

* sequence of operations to ensure ordering

* proto to close publishers and consumers

* rename file

* topic partition versioned by unixTimeNs

* create local topic partition

* close publishers

* randomize the client name

* wait until no publishers

* logs

* close stop publisher channel

* send last ack

* comments

* comment

* comments

* support list of brokers

* add cli options

* Update .gitignore

* logs

* return io.eof directly

* refactor

* optionally create topic

* refactoring

* detect consumer disconnection

* sub client wait for more messages

* subscribe by time stamp

* rename

* rename to sub_balancer

* rename

* adjust comments

* rename

* fix compilation

* rename

* rename

* SubscriberToSubCoordinator

* sticky rebalance

* go fmt

* add tests

* balance partitions on brokers

* prepare topic partition first and then publish, move partition

* purge unused APIs

* clean up

* adjust logs

* add BalanceTopics() grpc API

* configure topic

* configure topic command

* refactor

* repair missing partitions

* sequence of operations to ensure ordering

* proto to close publishers and consumers

* rename file

* topic partition versioned by unixTimeNs

* create local topic partition

* close publishers

* randomize the client name

* wait until no publishers

* logs

* close stop publisher channel

* send last ack

* comments

* comment

* comments

* support list of brokers

* add cli options

* Update .gitignore

* logs

* return io.eof directly

* refactor

* optionally create topic

* refactoring

* detect consumer disconnection

* sub client wait for more messages

* subscribe by time stamp

* rename

* rename to sub_balancer

* rename

* adjust comments

* rename

* fix compilation

* rename

* rename

* SubscriberToSubCoordinator

* sticky rebalance

* go fmt

* add tests

* tracking topic=>broker

* merge

* comment
2023-12-11 12:05:54 -08:00

62 lines
1.4 KiB
Go

package pub_balancer
import (
cmap "github.com/orcaman/concurrent-map/v2"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
"reflect"
"testing"
)
func Test_allocateOneBroker(t *testing.T) {
brokers := cmap.New[*BrokerStats]()
brokers.SetIfAbsent("localhost:17777", &BrokerStats{
TopicPartitionCount: 0,
ConsumerCount: 0,
CpuUsagePercent: 0,
})
tests := []struct {
name string
args args
wantAssignments []*mq_pb.BrokerPartitionAssignment
}{
{
name: "test only one broker",
args: args{
brokers: brokers,
partitionCount: 1,
},
wantAssignments: []*mq_pb.BrokerPartitionAssignment{
{
LeaderBroker: "localhost:17777",
Partition: &mq_pb.Partition{
RingSize: MaxPartitionCount,
RangeStart: 0,
RangeStop: MaxPartitionCount,
},
},
},
},
}
testThem(t, tests)
}
type args struct {
brokers cmap.ConcurrentMap[string, *BrokerStats]
partitionCount int32
}
func testThem(t *testing.T, tests []struct {
name string
args args
wantAssignments []*mq_pb.BrokerPartitionAssignment
}) {
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if gotAssignments := allocateTopicPartitions(tt.args.brokers, tt.args.partitionCount); !reflect.DeepEqual(gotAssignments, tt.wantAssignments) {
t.Errorf("allocateTopicPartitions() = %v, want %v", gotAssignments, tt.wantAssignments)
}
})
}
}