PQLModifierTest.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.poshi.runner.pql;

import java.util.HashSet;
import java.util.Set;

import junit.framework.TestCase;

import org.junit.Test;

/**
 * @author Michael Hashimoto
 */
public class PQLModifierTest extends TestCase {

	@Test
	public void testGetModifier() throws Exception {
		Set<String> availableModifiers = PQLModifier.getAvailableModifiers();

		for (String modifier : availableModifiers) {
			PQLModifier pqlModifier = PQLModifierFactory.newPQLModifier(
				modifier);

			_compareString(pqlModifier.getModifier(), modifier);
		}
	}

	@Test
	public void testGetPQLResult() throws Exception {
		_validateGetPQLResult("NOT", Boolean.TRUE, Boolean.FALSE);
		_validateGetPQLResult("NOT", Boolean.FALSE, Boolean.TRUE);
	}

	@Test
	public void testGetPQLResultError() throws Exception {
		_validateGetPQLResultError(
			"NOT", null, "Modifier must be used with a boolean value: NOT");
		_validateGetPQLResultError(
			"NOT", "test", "Modifier must be used with a boolean value: NOT");
		_validateGetPQLResultError(
			"NOT", 10.0D, "Modifier must be used with a boolean value: NOT");
		_validateGetPQLResultError(
			"NOT", 10, "Modifier must be used with a boolean value: NOT");
	}

	@Test
	public void testModifierValidate() throws Exception {
		Set<String> availableModifiers = PQLModifier.getAvailableModifiers();

		for (String modifier : availableModifiers) {
			PQLModifier.validateModifier(modifier);
		}
	}

	@Test
	public void testModifierValidateError() throws Exception {
		Set<String> modifiers = new HashSet<>();

		modifiers.add(null);
		modifiers.add("bad");
		modifiers.add("NOT bad");
		modifiers.addAll(PQLOperator.getAvailableOperators());

		for (String modifier : modifiers) {
			_validatePQLModifierError(
				modifier, "Invalid modifier: " + modifier);
		}
	}

	private void _compareString(String actualString, String expectedString)
		throws Exception {

		if (!actualString.equals(expectedString)) {
			StringBuilder sb = new StringBuilder();

			sb.append("Mismatched string values:\n");
			sb.append("\n\n* Actual:   \"");
			sb.append(actualString);
			sb.append("\"\n* Expected: \"");
			sb.append(expectedString);
			sb.append("\"");

			throw new Exception(sb.toString());
		}
	}

	private void _validateGetPQLResult(
			String modifier, Object pqlObject, Object expectedPQLResult)
		throws Exception {

		PQLModifier pqlModifier = PQLModifierFactory.newPQLModifier(modifier);

		Object actualPQLResult = pqlModifier.getPQLResult(pqlObject);

		if (!actualPQLResult.equals(expectedPQLResult)) {
			StringBuilder sb = new StringBuilder();

			sb.append("Mismatched PQL result after running modifier:\n");
			sb.append("\n* Actual:   ");
			sb.append(actualPQLResult);
			sb.append("\n* Expected: ");
			sb.append(expectedPQLResult);

			throw new Exception(sb.toString());
		}
	}

	private void _validateGetPQLResultError(
			String modifier, Object pqlObject, String expectedError)
		throws Exception {

		PQLModifier pqlModifier = PQLModifierFactory.newPQLModifier(modifier);

		String actualError = null;

		try {
			pqlModifier.getPQLResult(pqlObject);
		}
		catch (Exception e) {
			actualError = e.getMessage();

			if (!actualError.equals(expectedError)) {
				StringBuilder sb = new StringBuilder();

				sb.append("Mismatched error modify:\n");
				sb.append("\n\n* Actual:   \"");
				sb.append(actualError);
				sb.append("\"\n* Expected: \"");
				sb.append(expectedError);
				sb.append("\"");

				throw new Exception(sb.toString(), e);
			}
		}
		finally {
			if (actualError == null) {
				throw new Exception("No error thrown.");
			}
		}
	}

	private void _validatePQLModifierError(
			String modifier, String expectedError)
		throws Exception {

		String actualError = null;

		try {
			PQLModifier.validateModifier(modifier);
		}
		catch (Exception e) {
			actualError = e.getMessage();

			if (!actualError.equals(expectedError)) {
				StringBuilder sb = new StringBuilder();

				sb.append("Mismatched error for PQL modifier validation:");
				sb.append("\n* Actual:   ");
				sb.append(actualError);
				sb.append("\n* Expected: ");
				sb.append(expectedError);

				throw new Exception(sb.toString(), e);
			}
		}
		finally {
			if (actualError == null) {
				throw new Exception(
					"No error thrown for the following modifier: " + modifier);
			}
		}
	}

}