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/*******************************************************************************
* Copyright (c) 2016, 2018 Obeo.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors: Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.eef.tests.internal.core;
import java.util.Map;
import org.eclipse.eef.core.api.utils.EvalFactory;
import org.eclipse.sirius.common.interpreter.api.EvaluationResult;
import org.eclipse.sirius.common.interpreter.api.IInterpreter;
import org.eclipse.sirius.common.interpreter.api.IVariableManager;
import org.eclipse.sirius.common.interpreter.api.VariableManagerFactory;
import org.junit.Test;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsNull.nullValue;
/**
* Tests of the {@link EvalFactory} utility class.
*
* @author sbegaudeau
*/
@SuppressWarnings({ "checkstyle:javadocmethod" })
public class EvalTests {
/**
* The first AQL based expression used for the test.
*/
private static final String FIRST_EXPRESSION = "aql:self.name"; //$NON-NLS-1$
/**
* The result of the first AQL based expression.
*/
private static final String FIRST_RESULT = "John Doe"; //$NON-NLS-1$
/**
* The second AQL based expression used for the test.
*/
private static final String SECOND_EXPRESSION = "aql:self.abstract"; //$NON-NLS-1$
/**
* The result of the second AQL based expression.
*/
private static final boolean SECOND_RESULT = true;
@Test
public void testGetResult() {
IInterpreter interpreter = (Map<String, Object> variables, String expressionBody) -> {
if (FIRST_EXPRESSION.equals(expressionBody)) {
return EvaluationResult.of(FIRST_RESULT);
}
return EvaluationResult.of(Boolean.valueOf(SECOND_RESULT));
};
IVariableManager variableManager = new VariableManagerFactory().createVariableManager();
Object result = EvalFactory.of(interpreter, variableManager).evaluate(FIRST_EXPRESSION);
assertThat(result, is(FIRST_RESULT));
}
@Test
public void testGetDefaultValue() {
IInterpreter interpreter = (Map<String, Object> variables, String expressionBody) -> {
return EvaluationResult.of(null);
};
IVariableManager variableManager = new VariableManagerFactory().createVariableManager();
assertThat(EvalFactory.of(interpreter, variableManager).evaluate(FIRST_EXPRESSION), nullValue());
Object result = EvalFactory.of(interpreter, variableManager).defaultValue(FIRST_RESULT).evaluate(FIRST_EXPRESSION);
assertThat(result, is(FIRST_RESULT));
}
@Test
public void testGetCastValue() {
IInterpreter interpreter = (Map<String, Object> variables, String expressionBody) -> {
if (FIRST_EXPRESSION.equals(expressionBody)) {
return EvaluationResult.of(FIRST_RESULT);
}
return EvaluationResult.of(Boolean.valueOf(SECOND_RESULT));
};
IVariableManager variableManager = new VariableManagerFactory().createVariableManager();
String stringResult = EvalFactory.of(interpreter, variableManager).logIfInvalidType(String.class).evaluate(FIRST_EXPRESSION);
assertThat(stringResult, is(FIRST_RESULT));
Boolean booleanResult = EvalFactory.of(interpreter, variableManager).logIfInvalidType(Boolean.class).evaluate(SECOND_EXPRESSION);
assertThat(booleanResult, is(SECOND_RESULT));
}
}
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