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package pub_balancer
import (
cmap "github.com/orcaman/concurrent-map/v2"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
"github.com/stretchr/testify/assert"
"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) {
gotAssignments := AllocateTopicPartitions(tt.args.brokers, tt.args.partitionCount)
assert.Equal(t, len(tt.wantAssignments), len(gotAssignments))
for i, gotAssignment := range gotAssignments {
assert.Equal(t, tt.wantAssignments[i].LeaderBroker, gotAssignment.LeaderBroker)
assert.Equal(t, tt.wantAssignments[i].Partition.RangeStart, gotAssignment.Partition.RangeStart)
assert.Equal(t, tt.wantAssignments[i].Partition.RangeStop, gotAssignment.Partition.RangeStop)
assert.Equal(t, tt.wantAssignments[i].Partition.RingSize, gotAssignment.Partition.RingSize)
assert.Equal(t, tt.wantAssignments[i].Partition.UnixTimeNs, gotAssignment.Partition.UnixTimeNs)
}
})
}
}