admin-entrance/server/package/graveserver/leafstalk/otherutils/weightrand/weighter_test.go

package weightrand

import (
	"fmt"
	"math/rand"
	"testing"
	"time"
)

func TestWeightRand(t *testing.T) {
	rand.Seed(time.Now().Unix())
	wr := NewRandTable[string]()

	wr.AddItem("C", 1)
	wr.AddItem("A", 10)
	wr.AddItem("B", 30)
	wr.AddItem("D", 59)
	wr.AddItem("E", 0)

	results := map[string]int{
		"A": 0,
		"B": 0,
		"C": 0,
		"D": 0,
		"E": 0,
	}

	iterations := 10000

	for i := 0; i < iterations; i++ {
		id, ok := wr.GetRandomItem()
		if !ok {
			break
		}
		results[id]++
	}

	// Print the results
	fmt.Printf("Results after %d iterations:\n", iterations)
	for item, count := range results {
		fmt.Printf("%s: %f%%\n", item, float64(count)/float64(iterations)*100)
	}
}

func TestWeightRand2(t *testing.T) {
	rand.Seed(time.Now().Unix())
	wr := NewRandTable[string]()

	wr.AddItem("C", 1)
	wr.AddItem("A", 10)
	wr.AddItem("B", 30)
	wr.AddItem("D", 59)
	wr.AddItem("E", 0)

	results := map[string]int{
		"A": 0,
		"B": 0,
		"C": 0,
		"D": 0,
		"E": 0,
	}

	iterations := 10

	count := 0
	for i := 0; i < iterations; i++ {
		id, ok := wr.RandomRemoveItem()
		if !ok {
			break
		}
		results[id]++
		count++
	}

	fmt.Printf("Rand count %d \n", count)
	// Print the results
	fmt.Printf("Results after %d iterations:\n", iterations)
	for item, count := range results {
		fmt.Printf("%s: %f%%\n", item, float64(count)/float64(iterations)*100)
	}
}

//
//func TestSimpleWeightRand(t *testing.T) {
//	rand.Seed(time.Now().Unix())
//	wr := NewSimpleRandTable(4)
//
//	wr.AddItem(0)
//	wr.AddItem(10)
//	wr.AddItem(30)
//	wr.AddItem(60)
//
//	results := map[int]int{
//		0: 0,
//		1: 0,
//		2: 0,
//		3: 0,
//	}
//
//	iterations := 10000
//
//	for i := 0; i < iterations; i++ {
//		item := wr.GetRandomItem()
//		results[item]++
//	}
//
//	// Print the results
//	fmt.Printf("Results after %d iterations:\n", iterations)
//	for item, count := range results {
//		fmt.Printf("%d: %f%%\n", item, float64(count)/float64(iterations)*100)
//	}
//}