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ExperienceTest.java
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ExperienceTest.java
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package com.github.jikoo.planarwrappers.util;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import be.seeseemelk.mockbukkit.MockBukkit;
import be.seeseemelk.mockbukkit.ServerMock;
import java.util.function.Function;
import java.util.stream.IntStream;
import java.util.stream.Stream;
import org.bukkit.entity.Player;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
@DisplayName("Feature: Manipulate player total experience")
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class ExperienceTest {
private Player player;
@BeforeAll
void beforeAll() {
ServerMock mock = MockBukkit.mock();
player = mock.addPlayer();
}
@DisplayName("Ensure experience modification results in correct values")
@ParameterizedTest
@MethodSource("getChanges")
void testChangeExp(int start, int change) {
player.setLevel(0);
player.setExp(0);
player.setTotalExperience(0);
player.giveExp(start);
assertThat("Starting experience must be correct", player.getTotalExperience(), is(start));
assertThat("Experience calculation must match given", Experience.getExp(player), is(start));
Experience.changeExp(player, change);
int finish = Math.max(0, start + change);
assertThat("Final experience calculation must match", Experience.getExp(player), is(finish));
if (-start > change) {
// Full change would set player exp below 0. Reversing sign won't equal start.
return;
}
Experience.changeExp(player, -change);
assertThat("Reverted experience calculation must match", Experience.getExp(player), is(start));
}
private Stream<Arguments> getChanges() {
// Matrix [0 to 10][-10 to 2000]
return IntStream.rangeClosed(0, 10).mapToObj(startVal ->
IntStream.rangeClosed(-10, 2000).mapToObj(changeVal ->
Arguments.of(startVal, changeVal)))
.flatMap(Function.identity());
}
@AfterAll
void afterAll() {
MockBukkit.unmock();
}
}