svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / test / java / org / gvsig / expresionevaluator / impl / TestExpression.java @ 44619
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| 1 | 43983 | jjdelcerro | package org.gvsig.expresionevaluator.impl; |
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| 2 | |||
| 3 | import junit.framework.TestCase; |
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| 4 | 44619 | jjdelcerro | import org.apache.commons.lang3.Range; |
| 5 | 43983 | jjdelcerro | import org.gvsig.expressionevaluator.Expression; |
| 6 | 44614 | jjdelcerro | import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
| 7 | import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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| 8 | 44619 | jjdelcerro | import org.gvsig.expressionevaluator.Interpreter; |
| 9 | 44614 | jjdelcerro | import org.gvsig.expressionevaluator.MutableSymbolTable; |
| 10 | 44619 | jjdelcerro | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
| 11 | import org.gvsig.expressionevaluator.spi.AbstractSymbolTable; |
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| 12 | 43983 | jjdelcerro | import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
| 13 | |||
| 14 | 44619 | jjdelcerro | public class TestExpression extends TestCase { |
| 15 | 43983 | jjdelcerro | |
| 16 | 44619 | jjdelcerro | private static class MyValueSymbolTable extends AbstractSymbolTable { |
| 17 | |||
| 18 | private class MyValueFunction extends AbstractFunction { |
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| 19 | |||
| 20 | public MyValueFunction() {
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| 21 | super("Numeric", "MyValue", Range.is(0)); |
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| 22 | } |
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| 23 | |||
| 24 | @Override
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| 25 | public Object call(Interpreter interpreter, Object[] args) { |
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| 26 | return value;
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| 27 | } |
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| 28 | |||
| 29 | @Override
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| 30 | public boolean allowConstantFolding() { |
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| 31 | return false; |
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| 32 | } |
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| 33 | } |
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| 34 | private int value; |
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| 35 | |||
| 36 | @SuppressWarnings("OverridableMethodCallInConstructor") |
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| 37 | public MyValueSymbolTable(String name) { |
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| 38 | super(name);
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| 39 | this.addFunction(new MyValueFunction()); |
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| 40 | } |
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| 41 | |||
| 42 | public void setValue(int value) { |
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| 43 | this.value = value;
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| 44 | } |
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| 45 | } |
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| 46 | |||
| 47 | 44614 | jjdelcerro | public TestExpression(String testName) { |
| 48 | 43983 | jjdelcerro | super(testName);
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| 49 | } |
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| 50 | 44619 | jjdelcerro | |
| 51 | 43983 | jjdelcerro | @Override
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| 52 | protected void setUp() throws Exception { |
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| 53 | super.setUp();
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| 54 | new DefaultLibrariesInitializer().fullInitialize();
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| 55 | } |
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| 56 | 44619 | jjdelcerro | |
| 57 | 43983 | jjdelcerro | @Override
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| 58 | protected void tearDown() throws Exception { |
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| 59 | super.tearDown();
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| 60 | } |
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| 61 | |||
| 62 | 44614 | jjdelcerro | private MutableSymbolTable createMutableSymbolTable() {
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| 63 | ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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| 64 | MutableSymbolTable t = manager.createSymbolTable(); |
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| 65 | 44619 | jjdelcerro | return t;
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| 66 | 44614 | jjdelcerro | } |
| 67 | 44619 | jjdelcerro | |
| 68 | 44614 | jjdelcerro | private Expression createExpression() { |
| 69 | ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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| 70 | Expression e = manager.createExpression();
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| 71 | 44619 | jjdelcerro | return e;
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| 72 | 44614 | jjdelcerro | } |
| 73 | 44619 | jjdelcerro | |
| 74 | 43983 | jjdelcerro | // TODO add test methods here. The name must begin with 'test'. For example:
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| 75 | // public void testHello() {}
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| 76 | |||
| 77 | 44614 | jjdelcerro | public void testToJSON1() { |
| 78 | 43983 | jjdelcerro | String source = "precio + 10"; |
| 79 | |||
| 80 | 44614 | jjdelcerro | Expression expression = createExpression();
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| 81 | 43983 | jjdelcerro | expression.setPhrase(source); |
| 82 | 44619 | jjdelcerro | |
| 83 | 43983 | jjdelcerro | assertEquals( |
| 84 | 44619 | jjdelcerro | "{\"phrase\":\"precio + 10\"}",
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| 85 | 43984 | jjdelcerro | expression.toJSON() |
| 86 | 43983 | jjdelcerro | ); |
| 87 | } |
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| 88 | 44619 | jjdelcerro | |
| 89 | 44614 | jjdelcerro | public void testA() { |
| 90 | 44619 | jjdelcerro | |
| 91 | 44614 | jjdelcerro | Expression expression = createExpression();
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| 92 | expression.setPhrase("precio * 10");
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| 93 | 44619 | jjdelcerro | |
| 94 | 44614 | jjdelcerro | MutableSymbolTable t1 = createMutableSymbolTable(); |
| 95 | t1.setVar("precio", 2); |
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| 96 | Object v1 = expression.execute(t1);
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| 97 | 44619 | jjdelcerro | assertEquals(20, (int) v1); |
| 98 | |||
| 99 | 44614 | jjdelcerro | t1.setVar("precio", 3); |
| 100 | v1 = expression.execute(t1); |
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| 101 | 44619 | jjdelcerro | assertEquals(30, (int) v1); |
| 102 | |||
| 103 | 44614 | jjdelcerro | MutableSymbolTable t2 = createMutableSymbolTable(); |
| 104 | t2.setVar("precio", 4); |
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| 105 | v1 = expression.execute(t2); |
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| 106 | 44619 | jjdelcerro | assertEquals(40, (int) v1); |
| 107 | |||
| 108 | 44614 | jjdelcerro | } |
| 109 | 44619 | jjdelcerro | |
| 110 | public void testB() { |
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| 111 | |||
| 112 | Expression expression = createExpression();
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| 113 | expression.setPhrase("MYVALUE()");
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| 114 | |||
| 115 | MyValueSymbolTable t1 = new MyValueSymbolTable("MyValueSymbolTable1"); |
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| 116 | t1.setValue(2);
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| 117 | Object v1 = expression.execute(t1);
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| 118 | assertEquals(2, (int) v1); |
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| 119 | |||
| 120 | t1.setValue(3);
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| 121 | v1 = expression.execute(t1); |
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| 122 | assertEquals(3, (int) v1); |
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| 123 | |||
| 124 | MyValueSymbolTable t2 = new MyValueSymbolTable("MyValueSymbolTable2"); |
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| 125 | expression.link(t2); |
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| 126 | t2.setValue(4);
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| 127 | v1 = expression.execute(t2); |
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| 128 | assertEquals(4, (int) v1); |
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| 129 | |||
| 130 | } |
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| 131 | |||
| 132 | |||
| 133 | 43983 | jjdelcerro | } |