benchmark_test.go

package gojacego

import (
	"testing"
)

func createEngine() *CalculationEngine {

	engine, _ := NewCalculationEngine(WithDecimalSeparator('.'),
		WithArgumentSeparator(','),
		WithCaseSensitive(true),
		WithOptimizeEnabled(true),
		WithDefaultConstants(false),
		WithDefaultFunctions(false))

	return engine
}

func BenchmarkEvaluationNumericLiteral(bench *testing.B) {

	engine := createEngine()
	formula, _ := engine.Build("(2) > (1)")

	bench.ResetTimer()
	for i := 0; i < bench.N; i++ {
		formula(nil)
	}
}

/*
  Benchmarks evaluation times of literals with modifiers
*/
func BenchmarkEvaluationLiteralModifiers(bench *testing.B) {

	engine := createEngine()
	formula, _ := engine.Build("(2) + (2) == (4)")

	bench.ResetTimer()
	for i := 0; i < bench.N; i++ {
		formula(nil)
	}
}

func BenchmarkEvaluationParameter(bench *testing.B) {

	engine := createEngine()
	formula, _ := engine.Build("requests_made")
	parameters := map[string]interface{}{
		"requests_made": 99.0,
	}

	bench.ResetTimer()
	for i := 0; i < bench.N; i++ {
		formula(parameters)
	}
}

/*
  Benchmarks evaluation times of parameters
*/
func BenchmarkEvaluationParameters(bench *testing.B) {

	engine := createEngine()
	formula, _ := engine.Build("requests_made > requests_succeeded")
	parameters := map[string]interface{}{
		"requests_made":      99.0,
		"requests_succeeded": 90.0,
	}

	bench.ResetTimer()
	for i := 0; i < bench.N; i++ {
		formula(parameters)
	}
}

/*
  Benchmarks evaluation times of parameters + literals with modifiers
*/
func BenchmarkEvaluationParametersModifiers(bench *testing.B) {

	engine := createEngine()
	formula, _ := engine.Build("(requests_made * requests_succeeded / 100) >= 90")
	parameters := map[string]interface{}{
		"requests_made":      99.0,
		"requests_succeeded": 90.0,
	}

	bench.ResetTimer()
	for i := 0; i < bench.N; i++ {
		formula(parameters)
	}
}

func BenchmarkExpr(bench *testing.B) {

	engine := createEngine()
	formula, _ := engine.Build("(Origin == 1 || Country == 55) && (Value >= 100 || Adults == 1)")
	parameters := map[string]interface{}{
		"Origin":  1,
		"Country": 55,
		"Value":   100,
		"Adults":  1,
	}

	bench.ResetTimer()
	for i := 0; i < bench.N; i++ {
		formula(parameters)
	}
}

func BenchmarkComplexPrecendence(bench *testing.B) {

	engine := createEngine()
	formula, _ := engine.Build("1+2-3*4/5+6-7*8/9+0")

	bench.ResetTimer()
	for i := 0; i < bench.N; i++ {
		formula(nil)
	}
}