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 / TestGrammarInterpreter.java @ 44619
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| 1 | 44139 | jjdelcerro | package org.gvsig.expresionevaluator.impl; |
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| 2 | |||
| 3 | import static junit.framework.Assert.assertEquals; |
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| 4 | import junit.framework.TestCase; |
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| 5 | import org.gvsig.expressionevaluator.Code; |
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| 6 | import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
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| 7 | import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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| 8 | import org.gvsig.expressionevaluator.Interpreter; |
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| 9 | import org.gvsig.expressionevaluator.LexicalAnalyzer; |
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| 10 | import org.gvsig.expressionevaluator.SymbolTable; |
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| 11 | import org.gvsig.expressionevaluator.Compiler; |
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| 12 | import org.gvsig.expressionevaluator.MutableSymbolTable; |
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| 13 | import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
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| 14 | |||
| 15 | /**
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| 16 | *
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| 17 | * @author jjdelcerro
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| 18 | */
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| 19 | public class TestGrammarInterpreter extends TestCase { |
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| 20 | |||
| 21 | public TestGrammarInterpreter(String testName) { |
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| 22 | super(testName);
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| 23 | } |
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| 24 | |||
| 25 | @Override
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| 26 | protected void setUp() throws Exception { |
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| 27 | super.setUp();
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| 28 | new DefaultLibrariesInitializer().fullInitialize();
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| 29 | } |
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| 30 | |||
| 31 | @Override
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| 32 | protected void tearDown() throws Exception { |
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| 33 | super.tearDown();
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| 34 | } |
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| 35 | |||
| 36 | // TODO add test methods here. The name must begin with 'test'. For example:
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| 37 | // public void testHello() {}
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| 38 | |||
| 39 | protected LexicalAnalyzer createLexicalAnalyzer() {
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| 40 | ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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| 41 | LexicalAnalyzer lexer = manager.createLexicalAnalyzer(); |
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| 42 | return lexer;
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| 43 | } |
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| 44 | |||
| 45 | protected org.gvsig.expressionevaluator.Compiler createCompiler() {
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| 46 | ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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| 47 | Compiler compiler = manager.createCompiler();
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| 48 | compiler.setLexicalAnalyzer(createLexicalAnalyzer()); |
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| 49 | return compiler;
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| 50 | } |
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| 51 | |||
| 52 | protected MutableSymbolTable createSymbolTable() {
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| 53 | ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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| 54 | MutableSymbolTable symbolTable = manager.createSymbolTable(); |
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| 55 | symbolTable.setVar("precio", 200); |
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| 56 | symbolTable.setVar("1990", 0.168873933773767); |
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| 57 | return symbolTable;
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| 58 | } |
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| 59 | |||
| 60 | protected Interpreter createInterpreter(SymbolTable symbolTable) {
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| 61 | ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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| 62 | Interpreter interpreter = manager.createInterpreter(); |
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| 63 | interpreter.setSymbolTable(symbolTable); |
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| 64 | return interpreter;
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| 65 | } |
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| 66 | |||
| 67 | public void testLet() { |
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| 68 | SymbolTable symbolTable = createSymbolTable(); |
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| 69 | Compiler compiler = createCompiler();
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| 70 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 71 | |||
| 72 | String source = "LET V1 = 23"; |
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| 73 | |||
| 74 | Code code = compiler.compileExpression(source); |
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| 75 | Object v = interpreter.run(code);
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| 76 | |||
| 77 | assertEquals(23, symbolTable.value("V1")); |
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| 78 | } |
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| 79 | |||
| 80 | public void testBlock() { |
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| 81 | SymbolTable symbolTable = createSymbolTable(); |
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| 82 | Compiler compiler = createCompiler();
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| 83 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 84 | |||
| 85 | String source = "BEGIN SET V1 = 23 END"; |
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| 86 | Code code = compiler.compileExpression(source); |
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| 87 | Object v = interpreter.run(code);
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| 88 | |||
| 89 | assertEquals(23, symbolTable.value("V1")); |
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| 90 | } |
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| 91 | |||
| 92 | public void testBlock2() { |
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| 93 | SymbolTable symbolTable = createSymbolTable(); |
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| 94 | Compiler compiler = createCompiler();
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| 95 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 96 | |||
| 97 | String source = "BEGIN SET V1 = 11; SET V2 = 22 END"; |
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| 98 | Code code = compiler.compileExpression(source); |
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| 99 | Object v = interpreter.run(code);
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| 100 | |||
| 101 | assertEquals((Integer)11, symbolTable.value("V1")); |
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| 102 | assertEquals((Integer)22, symbolTable.value("V2")); |
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| 103 | } |
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| 104 | |||
| 105 | public void testIfThen() { |
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| 106 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 107 | Compiler compiler = createCompiler();
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| 108 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 109 | |||
| 110 | symbolTable.setVar("V1", 10); |
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| 111 | 44379 | jjdelcerro | String source = "IF V1 = 11 THEN SET V2 = 22; END IF"; |
| 112 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 113 | Object v = interpreter.run(code);
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| 114 | |||
| 115 | assertEquals(null, v);
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| 116 | assertEquals((Integer)10, symbolTable.value("V1")); |
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| 117 | assertEquals(null, symbolTable.value("V2")); |
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| 118 | |||
| 119 | symbolTable.setVar("V1", 11); |
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| 120 | 44379 | jjdelcerro | source = "IF V1 = 11 THEN SET V2 = 22; END IF";
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| 121 | 44139 | jjdelcerro | code = compiler.compileExpression(source); |
| 122 | v = interpreter.run(code); |
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| 123 | |||
| 124 | assertEquals((Integer)22, v); |
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| 125 | assertEquals((Integer)11, symbolTable.value("V1")); |
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| 126 | assertEquals((Integer)22, symbolTable.value("V2")); |
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| 127 | } |
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| 128 | |||
| 129 | public void testIfThenElse() { |
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| 130 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 131 | Compiler compiler = createCompiler();
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| 132 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 133 | |||
| 134 | symbolTable.setVar("V1", 10); |
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| 135 | 44379 | jjdelcerro | String source = "IF V1 = 11 THEN SET V2 = 11; ELSE SET V2 = 22; END IF"; |
| 136 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 137 | Object v = interpreter.run(code);
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| 138 | |||
| 139 | assertEquals((Integer)22, v); |
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| 140 | assertEquals((Integer)10, symbolTable.value("V1")); |
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| 141 | assertEquals((Integer)22, symbolTable.value("V2")); |
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| 142 | } |
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| 143 | |||
| 144 | public void testIfThenBlock() { |
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| 145 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 146 | Compiler compiler = createCompiler();
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| 147 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 148 | |||
| 149 | symbolTable.setVar("V1", 11); |
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| 150 | 44379 | jjdelcerro | String source = "IF V1 = 11 THEN LET V2 = 22; LET V1 = 10; END IF"; |
| 151 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 152 | Object v = interpreter.run(code);
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| 153 | |||
| 154 | assertEquals((Integer)10, v); |
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| 155 | assertEquals((Integer)10, symbolTable.value("V1")); |
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| 156 | assertEquals((Integer)22, symbolTable.value("V2")); |
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| 157 | } |
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| 158 | |||
| 159 | public void testWhile() { |
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| 160 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 161 | Compiler compiler = createCompiler();
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| 162 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 163 | |||
| 164 | symbolTable.setVar("n",0); |
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| 165 | 44379 | jjdelcerro | String source = "WHILE n < 10 BEGIN SET n = n + 1; END WHILE"; |
| 166 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 167 | Object v = interpreter.run(code);
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| 168 | |||
| 169 | assertEquals((Integer)10, v); |
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| 170 | assertEquals((Integer)10, symbolTable.value("n")); |
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| 171 | } |
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| 172 | |||
| 173 | public void testWhileBlock() { |
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| 174 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 175 | Compiler compiler = createCompiler();
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| 176 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 177 | |||
| 178 | symbolTable.setVar("n",0); |
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| 179 | String source = "WHILE n < 10 BEGIN SET n = n + 1; print(n) END"; |
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| 180 | Code code = compiler.compileExpression(source); |
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| 181 | Object v = interpreter.run(code);
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| 182 | |||
| 183 | assertEquals((Integer)10, v); |
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| 184 | assertEquals((Integer)10, symbolTable.value("n")); |
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| 185 | } |
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| 186 | |||
| 187 | public void testCast() { |
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| 188 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 189 | Compiler compiler = createCompiler();
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| 190 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 191 | |||
| 192 | symbolTable.setVar("n",1.0); |
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| 193 | String source = "CAST n AS INTEGER"; |
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| 194 | Code code = compiler.compileExpression(source); |
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| 195 | Object v = interpreter.run(code);
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| 196 | |||
| 197 | assertEquals((Integer)1, v); |
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| 198 | assertEquals((Double)1.0, symbolTable.value("n")); |
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| 199 | } |
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| 200 | |||
| 201 | public void testMatch() { |
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| 202 | Compiler compiler = createCompiler();
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| 203 | String source;
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| 204 | Code code; |
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| 205 | |||
| 206 | source = "MATCH 'Hola', '[Hh]ola'";
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| 207 | code = compiler.compileExpression(source); |
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| 208 | assertEquals("~('Hola', '[Hh]ola')", code.toString());
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| 209 | |||
| 210 | source = "MATCH 'Hola' '[Hh]ola'";
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| 211 | code = compiler.compileExpression(source); |
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| 212 | assertEquals("~('Hola', '[Hh]ola')", code.toString());
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| 213 | |||
| 214 | source = "MATCH('Hola', '[Hh]ola')";
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| 215 | code = compiler.compileExpression(source); |
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| 216 | assertEquals("~('Hola', '[Hh]ola')", code.toString());
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| 217 | } |
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| 218 | |||
| 219 | public void testForEach() { |
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| 220 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 221 | Compiler compiler = createCompiler();
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| 222 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 223 | |||
| 224 | 44379 | jjdelcerro | String source = "FOR n in RANGE(10) BEGIN print(n); END FOR"; |
| 225 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 226 | Object v = interpreter.run(code);
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| 227 | |||
| 228 | assertEquals((Long)9L, v); |
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| 229 | assertEquals((Long)9L, symbolTable.value("n")); |
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| 230 | } |
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| 231 | |||
| 232 | public void testCase() { |
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| 233 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 234 | Compiler compiler = createCompiler();
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| 235 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 236 | |||
| 237 | symbolTable.setVar("software","unknown"); |
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| 238 | String source = "CASE WHEN software LIKE '%gvSIG%' THEN 'gvSIG' ELSE 'Other' END"; // ;) |
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| 239 | Code code = compiler.compileExpression(source); |
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| 240 | Object v = interpreter.run(code);
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| 241 | assertEquals("Other", v);
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| 242 | |||
| 243 | symbolTable.setVar("software","gvSIG desktop"); |
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| 244 | source = "CASE WHEN software LIKE '%gvSIG%' THEN 'gvSIG' ELSE 'Other' END"; // ;) |
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| 245 | code = compiler.compileExpression(source); |
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| 246 | v = interpreter.run(code); |
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| 247 | assertEquals("gvSIG", v);
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| 248 | } |
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| 249 | |||
| 250 | 44384 | jjdelcerro | public void testCaseUnWhenSolo() { |
| 251 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 252 | Compiler compiler = createCompiler();
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| 253 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 254 | |||
| 255 | symbolTable.setVar("software","unknown"); |
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| 256 | String source = "CASE WHEN software LIKE '%gvSIG%' THEN 'gvSIG' END"; // ;) |
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| 257 | Code code = compiler.compileExpression(source); |
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| 258 | Object v = interpreter.run(code);
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| 259 | assertEquals(null, v);
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| 260 | } |
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| 261 | |||
| 262 | 44139 | jjdelcerro | public void testCase2() { |
| 263 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 264 | Compiler compiler = createCompiler();
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| 265 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 266 | |||
| 267 | symbolTable.setVar("Field_1",77); |
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| 268 | String source = "CASE WHEN Field_1 >= 75 AND Field_1 <=79 THEN 100 WHEN Field_1 >=80 AND Field_1 <=84 THEN 110 END"; // ;) |
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| 269 | Code code = compiler.compileExpression(source); |
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| 270 | Object v = interpreter.run(code);
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| 271 | assertEquals((Integer)100, v); |
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| 272 | |||
| 273 | symbolTable.setVar("Field_1",81); |
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| 274 | source = "CASE WHEN Field_1 >= 75 AND Field_1 <=79 THEN 100 WHEN Field_1 >=80 AND Field_1 <=84 THEN 110 END"; // ;) |
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| 275 | code = compiler.compileExpression(source); |
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| 276 | v = interpreter.run(code); |
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| 277 | assertEquals((Integer)110, v); |
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| 278 | } |
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| 279 | |||
| 280 | public void testCase3() { |
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| 281 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 282 | Compiler compiler = createCompiler();
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| 283 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 284 | |||
| 285 | symbolTable.setVar("Field_1",100); |
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| 286 | String source = "CASE WHEN Field_1 >= 75 AND Field_1 <=79 THEN 100 WHEN Field_1 >=80 AND Field_1 <=84 THEN 110 ELSE 120 END"; // ;) |
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| 287 | Code code = compiler.compileExpression(source); |
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| 288 | Object v = interpreter.run(code);
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| 289 | assertEquals((Integer)120, v); |
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| 290 | } |
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| 291 | |||
| 292 | public void testDef1() { |
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| 293 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 294 | Compiler compiler = createCompiler();
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| 295 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 296 | |||
| 297 | 44533 | jjdelcerro | String source = "CREATE PROCEDURE test1 AS BEGIN RETURN 'Hola'; END PROCEDURE"; |
| 298 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 299 | Object v = interpreter.run(code);
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| 300 | |||
| 301 | source = "test1()";
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| 302 | code = compiler.compileExpression(source); |
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| 303 | v = interpreter.run(code); |
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| 304 | |||
| 305 | assertEquals("Hola", v);
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| 306 | } |
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| 307 | |||
| 308 | public void testDef2() { |
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| 309 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 310 | Compiler compiler = createCompiler();
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| 311 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 312 | |||
| 313 | 44533 | jjdelcerro | String source = "CREATE PROCEDURE test1 nombre AS BEGIN RETURN 'Hola ' || nombre; END PROCEDURE"; |
| 314 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 315 | Object v = interpreter.run(code);
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| 316 | |||
| 317 | source = "test1('Joaquin')";
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| 318 | code = compiler.compileExpression(source); |
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| 319 | v = interpreter.run(code); |
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| 320 | |||
| 321 | assertEquals("Hola Joaquin", v);
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| 322 | } |
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| 323 | |||
| 324 | public void testReturn1() { |
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| 325 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 326 | Compiler compiler = createCompiler();
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| 327 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 328 | |||
| 329 | 44533 | jjdelcerro | String source = "CREATE PROCEDURE test1 nombre AS BEGIN RETURN 'Hola ' || nombre; END PROCEDURE"; |
| 330 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 331 | Object v = interpreter.run(code);
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| 332 | |||
| 333 | source = "test1('Joaquin')";
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| 334 | code = compiler.compileExpression(source); |
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| 335 | v = interpreter.run(code); |
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| 336 | |||
| 337 | assertEquals("Hola Joaquin", v);
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| 338 | } |
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| 339 | |||
| 340 | public void testReturn2() { |
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| 341 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 342 | Compiler compiler = createCompiler();
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| 343 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 344 | |||
| 345 | 44533 | jjdelcerro | String source = "CREATE PROCEDURE test1 nombre AS BEGIN RETURN 'Hola ' || nombre; END PROCEDURE"; |
| 346 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 347 | Object v = interpreter.run(code);
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| 348 | |||
| 349 | source = "test1('Joaquin')";
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| 350 | code = compiler.compileExpression(source); |
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| 351 | v = interpreter.run(code); |
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| 352 | |||
| 353 | assertEquals("Hola Joaquin", v);
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| 354 | } |
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| 355 | |||
| 356 | public void testUseCase1() { |
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| 357 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 358 | Compiler compiler = createCompiler();
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| 359 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 360 | |||
| 361 | 44379 | jjdelcerro | String source = "begin set x = ''; for n in list('hola','adios','fin'): let x = x || ' ' || n; end for; end"; |
| 362 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 363 | Object v = interpreter.run(code);
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| 364 | |||
| 365 | assertEquals(" hola adios fin", v);
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| 366 | } |
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| 367 | |||
| 368 | public void testUseCase2() { |
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| 369 | MutableSymbolTable symbolTable = createSymbolTable(); |
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| 370 | Compiler compiler = createCompiler();
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| 371 | Interpreter interpreter = createInterpreter(symbolTable); |
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| 372 | |||
| 373 | 44379 | jjdelcerro | String source = "begin set s = ''; set x = LIST('hola','adios','fin'); FOR n in RANGE(3): set s = s || ' ' || x[n]; end for; end"; |
| 374 | 44139 | jjdelcerro | Code code = compiler.compileExpression(source); |
| 375 | Object v = interpreter.run(code);
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| 376 | |||
| 377 | assertEquals(" hola adios fin", v);
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| 378 | } |
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| 379 | |||
| 380 | |||
| 381 | } |