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BaseExpressionTest.java
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BaseExpressionTest.java
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/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.internal.expression;
import com.sk89q.worldedit.LocalConfiguration;
import com.sk89q.worldedit.WorldEdit;
import com.sk89q.worldedit.event.platform.PlatformsRegisteredEvent;
import com.sk89q.worldedit.extension.platform.Capability;
import com.sk89q.worldedit.extension.platform.Platform;
import com.sk89q.worldedit.extension.platform.Preference;
import com.sk89q.worldedit.util.test.ResourceLockKeys;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.parallel.ResourceLock;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* Common setup code for expression tests.
*/
@ResourceLock(ResourceLockKeys.WORLDEDIT_PLATFORM)
class BaseExpressionTest {
static double readSlot(Expression expr, String name) {
return expr.getSlots().getSlotValue(name).orElseThrow(IllegalStateException::new);
}
private final Platform mockPlat = mock(Platform.class);
@BeforeEach
void setup() {
when(mockPlat.getCapabilities()).thenReturn(
Stream.of(Capability.values())
.collect(Collectors.toMap(Function.identity(), __ -> Preference.NORMAL))
);
when(mockPlat.getConfiguration()).thenReturn(new LocalConfiguration() {
@Override
public void load() {
}
});
WorldEdit.getInstance().getPlatformManager().register(mockPlat);
WorldEdit.getInstance().getEventBus().post(new PlatformsRegisteredEvent());
assertTrue(WorldEdit.getInstance().getPlatformManager().isInitialized(), "Platform is not initialized");
WorldEdit.getInstance().getConfiguration().calculationTimeout = 1_000;
}
@AfterEach
void tearDown() {
WorldEdit.getInstance().getPlatformManager().unregister(mockPlat);
}
void checkTestCase(String expression, double result) {
checkTestCase(ExpressionTestCase.testCase(expression, result));
}
void checkTestCase(ExpressionTestCase testCase) {
assertEquals(testCase.getResult(), simpleEval(testCase.getExpression()), 0);
}
double simpleEval(String expressionString) throws ExpressionException {
final Expression expression = compile(expressionString);
expression.setEnvironment(new ExpressionEnvironment() {
@Override
public int getBlockType(double x, double y, double z) {
return (int) x;
}
@Override
public int getBlockData(double x, double y, double z) {
return (int) y;
}
@Override
public int getBlockTypeAbs(double x, double y, double z) {
return (int) x * 10;
}
@Override
public int getBlockDataAbs(double x, double y, double z) {
return (int) y * 10;
}
@Override
public int getBlockTypeRel(double x, double y, double z) {
return (int) x * 100;
}
@Override
public int getBlockDataRel(double x, double y, double z) {
return (int) y * 100;
}
@Override
public ExpressionEnvironment clone() {
return this;
}
});
return expression.evaluate();
}
Expression compile(String expressionString, String... variableNames) throws ExpressionException {
final Expression expression = Expression.compile(expressionString, variableNames);
expression.optimize();
return expression;
}
}