MoneyRatioTest.kt

/*
 * Copyright 2024 Kazimierz Pogoda / Xemantic
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.xemantic.ai.money

import com.xemantic.kotlin.test.assert
import kotlin.test.Test
import kotlin.test.assertFailsWith

class MoneyRatioTest {

  @Test
  fun `Should create Money Ratio instance from String`() {
    assert(Money.Ratio("1.25").toString() == "1.25")
  }

  @Test
  fun `Should not create Money Ratio instance from invalid String`() {
    assertFailsWith<NumberFormatException> {
      Money.Ratio("foo")
    }
  }

  @Test
  fun `Should create Money Ratio instance with long fractional part`() {
    assert(Money.Ratio("0.0000001").toString() == "0.0000001")
  }

  @Test
  fun `Should compare Money Ratio instances`() {
    assert(Money.Ratio.ONE == Money.Ratio("1"))
    assert(Money.Ratio("0") == Money.Ratio("0.0"))
    assert(Money.Ratio("0.1") == Money.Ratio("0.100000"))
  }

  @Test
  fun `Should multiple Money Ratio and Money`() {
    assert(Money.Ratio("0.000001") * Money("3.0") == Money("0.000003"))
  }

  @Test
  fun `Should convert valid string to Money Ratio`() {
    assert("0.000001".moneyRatio == Money.Ratio("0.000001"))
  }

  @Test
  fun `Should not convert invalid string to Money Ratio`() {
    assertFailsWith<NumberFormatException> {
      "foo".moneyRatio
    }
  }

  @Test
  fun `Should convert Int to Money Ratio`() {
    assert(1.toMoneyRatio() == Money.Ratio("1"))
    assert(42.toMoneyRatio() == Money.Ratio("42"))
  }

}