root / trunk / extensions / extSymbology / src-test / org / gvsig / symbology / fmap / labeling / parse / TestLabelExpressionParser.java @ 22421
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.symbology.fmap.labeling.parse; |
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import java.io.CharArrayReader; |
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import junit.framework.TestCase; |
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import org.gvsig.symbology.fmap.labeling.lang.functions.SubstringFunction; |
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import org.gvsig.symbology.fmap.rendering.filter.operations.Expression; |
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import org.gvsig.symbology.fmap.rendering.filter.operations.ExpressionException; |
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import org.gvsig.symbology.fmap.rendering.filter.operations.OperatorsFactory; |
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import com.hardcode.gdbms.engine.values.BooleanValue; |
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import com.hardcode.gdbms.engine.values.DoubleValue; |
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import com.hardcode.gdbms.engine.values.IntValue; |
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import com.hardcode.gdbms.engine.values.NullValue; |
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import com.hardcode.gdbms.engine.values.StringValue; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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public class TestLabelExpressionParser extends TestCase { |
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LabelExpressionParser parser; |
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protected void setUp() throws Exception { |
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super.setUp();
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} |
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private class Symbol { |
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private String id; |
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private Value val;
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public Symbol(String id, Value val) { |
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this.id = id;
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this.val = val;
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} |
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} |
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private Symbol[] symbols = new Symbol[] { |
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new Symbol(
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"A_DOUBLE_VALUE",
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ValueFactory.createValue(4.0)
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), |
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new Symbol(
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"ANOTHER_DOUBLE_VALUE",
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ValueFactory.createValue(Math.PI)
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), |
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new Symbol(
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"A_INTEGER_VALUE",
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ValueFactory.createValue(12)
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), |
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new Symbol(
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"A_STRING_VALUE",
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ValueFactory.createValue("this is a String")
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), |
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new Symbol(
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"A_BOOLEAN_VALUE",
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ValueFactory.createValue(true)
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), |
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new Symbol(
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"ANOTHER_BOOLEAN_VALUE",
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ValueFactory.createValue(false)
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), |
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new Symbol(
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"A_NULL_VALUE",
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ValueFactory.createNullValue() |
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), |
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// new Symbol(
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// "A_DATE_VALUE",
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// ValueFactory.createValue(new Date())
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// )
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}; |
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private String[] ArgumentsExpressions = new String[] { |
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"(754)",
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"(754, \"blah\")",
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"(-9.68, [A_DOUBLE_VALUE]) ",
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"(false, true) ",
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}; |
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private Object[][] ArgumentsExpressionsValue = new Object[][] { |
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new Object[] { 754 }, |
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new Object[] { 754, "blah" }, |
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new Object[] { -9.68, 4.0 }, |
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new Object[] { false, true }, |
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}; |
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public void testArguments() throws ExpressionException { |
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String[] expressions = ArgumentsExpressions; |
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Object[][] expectedValues = ArgumentsExpressionsValue; |
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System.out.println("\nTestLabelExpressionParser.testArgumens()"); |
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for (int i = 0; i < expressions.length; i++) { |
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String expr = expressions[i];
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parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
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for (int j = 0; j < symbols.length; j++) { |
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parser.putSymbol(symbols[j].id,symbols[j].val); |
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} |
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System.out.print("Parsing '"+expr+"'"); |
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try {
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int amount = parser.Arguments();
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System.out.print(": [ parsed ]. Evaluating: "); |
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Object[] expected = expectedValues[i]; |
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assertTrue("Failed detecting argument number. Expected "+expected.length+", but got "+amount+".", amount == expected.length); |
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for (int j = expected.length-1; j >= 0; j--) { // <- Last in first out |
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Object value = parser.pop();
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assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected[j]+"]", value.equals(expected[j])); |
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System.out.print(value+" [ Ok! ]\t"); |
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} |
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} catch (ParseException e) { |
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System.err.println(":\t [ Fail! ]"); |
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fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
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} |
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System.out.println();
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} |
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} |
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private String[] LiteralExpressions = new String[] { |
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"true",
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"false",
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" 43564356435.234",
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" 12455 ",
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" \"a string\"",
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}; |
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private Object[] LiteralExpressionsValue = new Object[] { |
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true ,
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false,
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43564356435.234,
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12455,
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"a string"
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}; |
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public void testLiteral() throws ExpressionException { |
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String[] expressions = LiteralExpressions; |
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Object[] expectedValues = LiteralExpressionsValue; |
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System.out.println("\nTestLabelExpressionParser.testLiteral()"); |
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for (int i = 0; i < expressions.length; i++) { |
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String expr = expressions[i];
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parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
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for (int j = 0; j < symbols.length; j++) { |
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parser.putSymbol(symbols[j].id,symbols[j].val); |
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} |
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System.out.print("Parsing '"+expr+"'"); |
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try {
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parser.UnaryElement(); |
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System.out.print(": [ parsed ]. Evaluating: "); |
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Object expected = expectedValues[i];
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Object value = parser.pop();
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assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected+"]", value.equals(expected)); |
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System.out.print(value+" [ Ok! ]\t"); |
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} catch (ParseException e) { |
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System.err.println(":\t [ Fail! ]"); |
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fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
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} |
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System.out.println();
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} |
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} |
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private String[] FunctionExpressions = new String[] { |
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new SubstringFunction().getName()+"(\"My taylor is rich!\", 1)", |
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new SubstringFunction().getName()+"(\"My taylor is rich!\", 3, 9)", |
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new SubstringFunction().getName()+"("+new SubstringFunction().getName()+"(\"My taylor is rich!\", 3, 9), 2,3)", |
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}; |
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private Object[] FunctionExpressionsValue = new Object[] { |
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"y taylor is rich!" ,
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"taylor" ,
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"y",
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}; |
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public void testFunction() throws ExpressionException { |
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OperatorsFactory operators = OperatorsFactory.getInstance(); |
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operators.addOperator(SubstringFunction.class); |
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String[] expressions = FunctionExpressions; |
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Object[] expectedValues = FunctionExpressionsValue; |
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System.out.println("\nTestLabelExpressionParser.testFunction()"); |
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for (int i = 0; i < expressions.length; i++) { |
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String expr = expressions[i];
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parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
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parser.setOperatorsFactory(operators); |
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for (int j = 0; j < symbols.length; j++) { |
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parser.putSymbol(symbols[j].id,symbols[j].val); |
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} |
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System.out.print("Parsing '"+expr+"'"); |
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try {
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parser.function(); |
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System.out.print(": [ parsed ]. Evaluating: "); |
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Object expected = expectedValues[i];
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Object value = parser.pop();
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assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected+"]", value.equals(expected)); |
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System.out.print(value+" [ Ok! ]\t"); |
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} catch (ParseException e) { |
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System.err.println(":\t [ Fail! ]"); |
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fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
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} |
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System.out.println();
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} |
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} |
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public void testPrimitiveExpression() throws ExpressionException { |
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String[] PrimitiveExpressions = new String[symbols.length]; |
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Object[] PrimitiveExpressionsValue = new Object[symbols.length]; |
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for (int i = 0; i < symbols.length; i++) { |
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PrimitiveExpressions[i] = "["+symbols[i].id+"]"; |
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PrimitiveExpressionsValue[i] = symbols[i].val; |
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} |
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String[] expressions = PrimitiveExpressions; |
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Object[] expectedValues = PrimitiveExpressionsValue; |
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System.out.println("\nTestLabelExpressionParser.testPrimitiveExpression()"); |
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for (int i = 0; i < expressions.length; i++) { |
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String expr = expressions[i];
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parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
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for (int j = 0; j < symbols.length; j++) { |
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parser.putSymbol(symbols[j].id,symbols[j].val); |
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} |
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System.out.print("Parsing '"+expr+"'"); |
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try {
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parser.Element(); |
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System.out.print(": [ parsed ]. Evaluating: "); |
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Object expected = expectedValues[i];
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// GDBMS values are evaluated as java primitives
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if (expected instanceof DoubleValue) { |
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expected = ((DoubleValue) expected).getValue(); |
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} else if (expected instanceof IntValue) { |
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expected = ((IntValue) expected).getValue(); |
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} else if (expected instanceof StringValue) { |
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expected = ((StringValue) expected).getValue(); |
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} |
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// else if (expected instanceof DateValue) {
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// expected = ((DateValue) expected).getValue();
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// }
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else if (expected instanceof BooleanValue) { |
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expected = ((BooleanValue) expected).getValue(); |
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} else if (expected instanceof NullValue) { |
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expected = null;
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} |
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Object value = parser.pop();
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assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected+"]", value == null ? value == expected : value.equals(expected)); |
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System.out.print(value+" [ Ok! ]\t"); |
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} catch (ParseException e) { |
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System.err.println(":\t [ Fail! ]"); |
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fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
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} |
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System.out.println();
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} |
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} |
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private String[] UnaryBooleanExpressions = new String[] { |
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"!false",
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"!true",
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"![A_BOOLEAN_VALUE]",
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"![ANOTHER_BOOLEAN_VALUE]",
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}; |
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private Object[] UnaryBooleanExpressionsValue = new Object[] { |
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!false,
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!true,
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!((BooleanValue) symbols[4].val).getValue(),
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!((BooleanValue) symbols[5].val).getValue(),
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}; |
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public void testBooleanUnaryExpression() throws ExpressionException { |
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String[] expressions = UnaryBooleanExpressions; |
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Object[] expectedValues = UnaryBooleanExpressionsValue; |
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System.out.println("\nTestLabelExpressionParser.testBooleanUnaryExpression()"); |
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for (int i = 0; i < expressions.length; i++) { |
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String expr = expressions[i];
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parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
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for (int j = 0; j < symbols.length; j++) { |
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parser.putSymbol(symbols[j].id,symbols[j].val); |
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} |
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System.out.print("Parsing '"+expr+"'"); |
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try {
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parser.UnaryElement(); |
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System.out.print(": [ parsed ]. Evaluating: "); |
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Object expected = expectedValues[i];
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Object value = parser.pop();
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assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected+"]", value.equals(expected)); |
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System.out.print(value+" [ Ok! ]\t"); |
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} catch (ParseException e) { |
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System.err.println(":\t [ Fail! ]"); |
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fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
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} |
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System.out.println();
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} |
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} |
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private String[] UnaryArithmeticExpressions = new String[] { |
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"+65",
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"-5.5",
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"+-+-[A_DOUBLE_VALUE]",
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"--+[ANOTHER_DOUBLE_VALUE]",
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}; |
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private Object[] UnaryArithmeticExpressionsValue = new Object[] { |
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65,
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-5.5,
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((DoubleValue) symbols[0].val).getValue(),
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((DoubleValue) symbols[1].val).getValue(),
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}; |
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public void testArithmeticUnaryExpression() throws ExpressionException { |
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String[] expressions = UnaryArithmeticExpressions; |
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Object[] expectedValues = UnaryArithmeticExpressionsValue; |
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System.out.println("\nTestLabelExpressionParser.testArithmeticUnaryExpression()"); |
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for (int i = 0; i < expressions.length; i++) { |
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String expr = expressions[i];
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parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
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for (int j = 0; j < symbols.length; j++) { |
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parser.putSymbol(symbols[j].id,symbols[j].val); |
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} |
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System.out.print("Parsing '"+expr+"'"); |
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try {
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parser.MultiplicativeExpression(); |
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System.out.print(": [ parsed ]. Evaluating: "); |
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Object expected = expectedValues[i];
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Object value = parser.pop();
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assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected+"]", value.equals(expected)); |
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System.out.print(value+" [ Ok! ]\t"); |
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|
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} catch (ParseException e) { |
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System.err.println(":\t [ Fail! ]"); |
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fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
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} |
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System.out.println();
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} |
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} |
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private String[] MultiplicativeArithmeticExpressions = new String[] { |
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"3*4356.234",
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"15*10",
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"15/10",
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"8768758/2432432",
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"[A_DOUBLE_VALUE]*[ANOTHER_DOUBLE_VALUE]",
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"[A_DOUBLE_VALUE]/[ANOTHER_DOUBLE_VALUE]",
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}; |
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private Object[] MultiplicativeArithmeticExpressionsValue = new Object[] { |
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3*4356.234, |
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15*10, |
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15/10, |
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8768758/2432432, |
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((DoubleValue) symbols[0].val).getValue()*((DoubleValue) symbols[1].val).getValue(), |
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((DoubleValue) symbols[0].val).getValue()/((DoubleValue) symbols[1].val).getValue(), |
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}; |
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public void testMultiplicativeExpression() throws ExpressionException { |
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String[] expressions = MultiplicativeArithmeticExpressions; |
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Object[] expectedValues = MultiplicativeArithmeticExpressionsValue; |
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System.out.println("\nTestLabelExpressionParser.testMultiplicativeExpression()"); |
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for (int i = 0; i < expressions.length; i++) { |
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String expr = expressions[i];
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parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
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for (int j = 0; j < symbols.length; j++) { |
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parser.putSymbol(symbols[j].id,symbols[j].val); |
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} |
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System.out.print("Parsing '"+expr+"'"); |
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try {
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parser.MultiplicativeExpression(); |
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System.out.print(": [ parsed ]. Evaluating: "); |
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Object expected = expectedValues[i];
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Object value = parser.pop();
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assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected+"]", value.equals(expected)); |
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System.out.print(value+" [ Ok! ]\t"); |
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} catch (ParseException e) { |
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System.err.println(":\t [ Fail! ]"); |
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fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
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} |
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System.out.println();
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} |
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} |
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private String[] AdditiveArithmeticExpressions = new String[] { |
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"3-4356.234",
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"8768758+2432432",
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"[A_DOUBLE_VALUE]+[ANOTHER_DOUBLE_VALUE]",
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"[A_DOUBLE_VALUE]-[ANOTHER_DOUBLE_VALUE]",
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}; |
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private Object[] AdditiveArithmeticExpressionsValue = new Object[] { |
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3-4356.234, |
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8768758+2432432, |
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((DoubleValue) symbols[0].val).getValue()+((DoubleValue) symbols[1].val).getValue(), |
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((DoubleValue) symbols[0].val).getValue()-((DoubleValue) symbols[1].val).getValue(), |
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}; |
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public void testAdditiveExpression() throws ExpressionException { |
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String[] expressions = AdditiveArithmeticExpressions; |
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Object[] expectedValues = AdditiveArithmeticExpressionsValue; |
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System.out.println("\nTestLabelExpressionParser.testAdditiveExpression()"); |
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|
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for (int i = 0; i < expressions.length; i++) { |
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String expr = expressions[i];
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parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
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for (int j = 0; j < symbols.length; j++) { |
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parser.putSymbol(symbols[j].id,symbols[j].val); |
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} |
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System.out.print("Parsing '"+expr+"'"); |
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try {
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parser.AdditiveExpression(); |
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System.out.print(": [ parsed ]. Evaluating: "); |
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Object expected = expectedValues[i];
|
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|
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Object value = parser.pop();
|
| 471 |
assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected+"]", value.equals(expected)); |
| 472 |
System.out.print(value+" [ Ok! ]\t"); |
| 473 |
|
| 474 |
|
| 475 |
} catch (ParseException e) { |
| 476 |
System.err.println(":\t [ Fail! ]"); |
| 477 |
fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
| 478 |
} |
| 479 |
System.out.println();
|
| 480 |
} |
| 481 |
} |
| 482 |
|
| 483 |
|
| 484 |
|
| 485 |
private String EOField = LabelExpressionParser.tokenFor(LabelExpressionParser.EOFIELD); |
| 486 |
private String EOExpression = LabelExpressionParser.tokenFor(LabelExpressionParser.EOEXPR); |
| 487 |
private String DOUBLEQUOTE = "\""; |
| 488 |
|
| 489 |
private String[] FieldExpressionStrings = new String[] { |
| 490 |
"km" +"25", |
| 491 |
DOUBLEQUOTE+"km"+DOUBLEQUOTE+" "+DOUBLEQUOTE+" 25"+DOUBLEQUOTE, |
| 492 |
"[A_STRING_VALUE] "+DOUBLEQUOTE+" 25"+DOUBLEQUOTE, |
| 493 |
"[A_INTEGER_VALUE] "+DOUBLEQUOTE+" 25"+DOUBLEQUOTE, |
| 494 |
"[A_DOUBLE_VALUE] "+DOUBLEQUOTE+" 25"+DOUBLEQUOTE, |
| 495 |
"2+3"+"km", |
| 496 |
}; |
| 497 |
private Object[] FieldExpressionValue = new Object[] { |
| 498 |
"km25",
|
| 499 |
"km 25",
|
| 500 |
((StringValue) symbols[3].val).getValue()+" 25", |
| 501 |
((IntValue) symbols[2].val).getValue()+" 25", |
| 502 |
((DoubleValue) symbols[0].val).getValue()+" 25", |
| 503 |
"5km"
|
| 504 |
}; |
| 505 |
|
| 506 |
public void testFieldExpressionStrings() throws ExpressionException { |
| 507 |
|
| 508 |
String[] expressions = FieldExpressionStrings; |
| 509 |
Object[] expectedValues = FieldExpressionValue; |
| 510 |
System.out.println("\nTestLabelExpressionParser.testConcatExpressions()"); |
| 511 |
|
| 512 |
for (int i = 0; i < expressions.length; i++) { |
| 513 |
String expr = expressions[i];
|
| 514 |
parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
| 515 |
|
| 516 |
for (int j = 0; j < symbols.length; j++) { |
| 517 |
parser.putSymbol(symbols[j].id,symbols[j].val); |
| 518 |
} |
| 519 |
|
| 520 |
|
| 521 |
System.out.print("Parsing '"+expr+"'"); |
| 522 |
try {
|
| 523 |
|
| 524 |
parser.LabelExpression(); |
| 525 |
|
| 526 |
System.out.print(": [ parsed ]. Evaluating: "); |
| 527 |
Object[] expected = expectedValues; |
| 528 |
String myValues = ((Expression)parser.getStack().pop()).evaluate(parser.getSymbols()).toString(); |
| 529 |
|
| 530 |
|
| 531 |
Object value = myValues;
|
| 532 |
assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected[i]+"]", value.equals(expected[i].toString())); |
| 533 |
System.out.print(value+" [ Ok! ]\t"); |
| 534 |
|
| 535 |
|
| 536 |
|
| 537 |
} catch (ParseException e) { |
| 538 |
System.err.println(":\t [ Fail! ]"); |
| 539 |
fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
| 540 |
} |
| 541 |
System.out.println();
|
| 542 |
} |
| 543 |
} |
| 544 |
|
| 545 |
|
| 546 |
private String[] LabelExpressions = new String[] { |
| 547 |
"1+2"+EOField+"true"+EOField+"2<3", |
| 548 |
"300+454"+EOField+"false", |
| 549 |
"1+2"+EOField+"1+5"+EOField+"2<3", |
| 550 |
"[A_DOUBLE_VALUE]/[ANOTHER_DOUBLE_VALUE]"+EOField+"Km", |
| 551 |
"km" +"25"+EOField+"1+5", |
| 552 |
DOUBLEQUOTE+"km"+DOUBLEQUOTE+" "+DOUBLEQUOTE+" 25"+DOUBLEQUOTE+EOField+"1+2"+EOField+"true"+EOField+"2<3", |
| 553 |
|
| 554 |
}; |
| 555 |
private Object[][] LabelExpressionsValue = new Object[][] { |
| 556 |
new Object[] {3,true,true }, |
| 557 |
new Object[] { 754, false }, |
| 558 |
new Object[] { 3,6,true }, |
| 559 |
new Object[] {((DoubleValue) symbols[0].val).getValue()/((DoubleValue) symbols[1].val).getValue(),"Km"}, |
| 560 |
new Object[] {"km25",6 }, |
| 561 |
new Object[] {"km 25",3,true,true }, |
| 562 |
|
| 563 |
}; |
| 564 |
|
| 565 |
public void testLabelExpressions() throws ExpressionException { |
| 566 |
|
| 567 |
String[] expressions = LabelExpressions; |
| 568 |
Object[][] expectedValues = LabelExpressionsValue; |
| 569 |
System.out.println("\nTestLabelExpressionParser.testLabelExpressions()"); |
| 570 |
|
| 571 |
for (int i = 0; i < expressions.length; i++) { |
| 572 |
String expr = expressions[i];
|
| 573 |
parser = new LabelExpressionParser(new CharArrayReader(expr.toCharArray())); |
| 574 |
|
| 575 |
for (int j = 0; j < symbols.length; j++) { |
| 576 |
parser.putSymbol(symbols[j].id,symbols[j].val); |
| 577 |
} |
| 578 |
|
| 579 |
|
| 580 |
System.out.print("Parsing '"+expr+"'"); |
| 581 |
try {
|
| 582 |
|
| 583 |
parser.LabelExpression(); |
| 584 |
|
| 585 |
System.out.print(": [ parsed ]. Evaluating: "); |
| 586 |
Object[] expected = expectedValues[i]; |
| 587 |
Object[] myValues = (Object[]) ((Expression)parser.getStack().pop()).evaluate(parser.getSymbols()); |
| 588 |
|
| 589 |
for (int j = 0; j < myValues.length; j++) { // <- Last in first out |
| 590 |
Object value = myValues[j];
|
| 591 |
assertTrue("Parsed text '"+expr+"' evaluated to ("+value+") when expecting ["+expected[j]+"]", value.equals(expected[j].toString())); |
| 592 |
System.out.print(value+" [ Ok! ]\t"); |
| 593 |
} |
| 594 |
|
| 595 |
|
| 596 |
} catch (ParseException e) { |
| 597 |
System.err.println(":\t [ Fail! ]"); |
| 598 |
fail("Failed parsing text '"+expr+"'\n"+e.getMessage()); |
| 599 |
} |
| 600 |
System.out.println();
|
| 601 |
} |
| 602 |
} |
| 603 |
|
| 604 |
|
| 605 |
|
| 606 |
} |