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 / TestOptimizer.java @ 44644
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package org.gvsig.expresionevaluator.impl; |
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import org.gvsig.expressionevaluator.impl.SQLLexicalAnalyzer; |
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import junit.framework.TestCase; |
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import org.gvsig.expressionevaluator.LexicalAnalyzer; |
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import org.gvsig.expressionevaluator.Compiler; |
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import org.gvsig.expressionevaluator.Code; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.expressionevaluator.ExpressionUtils; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.MutableSymbolTable; |
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import org.gvsig.expressionevaluator.Optimizer; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
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public class TestOptimizer extends TestCase { |
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public TestOptimizer(String testName) { |
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super(testName);
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} |
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@Override
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protected void setUp() throws Exception { |
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super.setUp();
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new DefaultLibrariesInitializer().fullInitialize();
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} |
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@Override
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protected void tearDown() throws Exception { |
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super.tearDown();
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} |
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// TODO add test methods here. The name must begin with 'test'. For example:
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// public void testHello() {}
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protected LexicalAnalyzer createLexicalAnalyzer() {
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SQLLexicalAnalyzer lexer = new SQLLexicalAnalyzer();
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return lexer;
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} |
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protected Compiler createCompiler() { |
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Compiler compiler = ExpressionUtils.createCompiler();
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compiler.setLexicalAnalyzer(createLexicalAnalyzer()); |
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return compiler;
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} |
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protected Interpreter createInterpreter(SymbolTable symbolTable) {
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Interpreter interpreter = ExpressionUtils.createInterpreter(); |
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interpreter.setSymbolTable(symbolTable); |
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return interpreter;
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} |
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protected Optimizer createOptimizer(SymbolTable symbolTable) {
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Optimizer optimizer = ExpressionUtils.createOptimizer(); |
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optimizer.setSymbolTable(symbolTable); |
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return optimizer;
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} |
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protected MutableSymbolTable createSymbolTable() {
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MutableSymbolTable symbolTable = ExpressionUtils.createSymbolTable(); |
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symbolTable.setVar("precio", 200); |
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symbolTable.setVar("1990", 0.168873933773767); |
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return symbolTable;
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} |
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private String createExpr1() { |
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ExpressionBuilder builder = ExpressionUtils.createExpressionBuilder(); |
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ExpressionBuilder.Value expr1 = builder.gt( |
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builder.column("campo1"),
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builder.constant(10)
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); |
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System.out.println(expr1.toString());
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assertEquals( |
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"( (\"campo1\") > (10) )",
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expr1.toString() |
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); |
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return expr1.toString();
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} |
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public void testIdentifier1() { |
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String source = "precio"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("\"precio\"", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("\"precio\"", code2.toString());
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} |
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public void testIdentifier2() { |
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Compiler compiler = createCompiler();
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compiler.getLexicalAnalyzer().setUseBracketsForIdentifiers(true);
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String source = "[precio]"; |
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Code code = compiler.compileExpression(source); |
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assertEquals("\"precio\"", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("\"precio\"", code2.toString());
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} |
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public void testIdentifier3() { |
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String source = "\"precio\""; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("\"precio\"", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("\"precio\"", code2.toString());
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} |
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public void testTrue() { |
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String source = "true"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("TRUE", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("TRUE", code2.toString());
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} |
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public void testFalse() { |
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String source = "false"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("FALSE", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("FALSE", code2.toString());
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} |
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public void testNull() { |
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String source = "null"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("NULL", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("NULL", code2.toString());
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} |
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public void testNotTrue() { |
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String source = "not true"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("NOT(TRUE)", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("FALSE", code2.toString());
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} |
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public void testInteger() { |
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String source = "23"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("23", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("23", code2.toString());
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} |
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public void operator(String operatorName) { |
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String source = "precio " + operatorName + " 23"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals( "(\"precio\" "+operatorName+" 23)", code.toString()); |
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals( "(\"precio\" "+operatorName+" 23)", code2.toString()); |
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} |
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public void testOperators() { |
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operator("=");
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operator("<>");
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operator(">");
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operator(">=");
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operator("<");
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operator("<=");
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operator("LIKE");
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operator("ILIKE");
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operator("||");
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operator("+");
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operator("-");
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operator("*");
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// operator("^");
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operator("OR");
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operator("AND");
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operator("%");
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operator("IS");
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} |
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public void testAddMul() { |
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String source = "precio + 10 * 2 + 20 + 30"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("(((\"precio\" + (10 * 2)) + 20) + 30)", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("(((\"precio\" + 20) + 20) + 30)", code2.toString());
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} |
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public void testMul0() { |
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String source = "precio + 10 * 0 + 20 + 30"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("(((\"precio\" + (10 * 0)) + 20) + 30)", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("((\"precio\" + 20) + 30)", code2.toString());
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} |
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public void testMul1() { |
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String source = "precio + 10 * 1 + 20 + 30"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("(((\"precio\" + (10 * 1)) + 20) + 30)", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("(((\"precio\" + 10) + 20) + 30)", code2.toString());
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} |
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public void testDiv1() { |
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String source = "precio + 10 / 1 + 20 + 30"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("(((\"precio\" + (10 / 1)) + 20) + 30)", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("(((\"precio\" + 10) + 20) + 30)", code2.toString());
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} |
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public void testDiv0() { |
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String source = "precio + 0 / 10 + 20 + 30"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("(((\"precio\" + (0 / 10)) + 20) + 30)", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("((\"precio\" + 20) + 30)", code2.toString());
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} |
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public void testAddMulPar() { |
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String source = "(precio + 10) * 2 + 20 + 30"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("((((\"precio\" + 10) * 2) + 20) + 30)", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("((((\"precio\" + 10) * 2) + 20) + 30)", code2.toString());
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} |
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public void testAbs() { |
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String source = "precio + abs(10)"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("(\"precio\" + abs(10))", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("(\"precio\" + 10)", code2.toString());
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} |
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public void testAbs2() { |
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String source = "precio + abs(-10)"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("(\"precio\" + abs(-10))", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("(\"precio\" + 10)", code2.toString());
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} |
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public void testPI() { |
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String source = "precio + PI()"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("(\"precio\" + PI())", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("(\"precio\" + 3.141592653589793)", code2.toString());
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} |
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public void testCeil() { |
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String source = "precio + CEIL(PI())"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("(\"precio\" + CEIL(PI()))", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("(\"precio\" + 4.0)", code2.toString());
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} |
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public void testConcat() { |
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String source = "CONCAT(precio,' euros')"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("CONCAT(\"precio\", ' euros')", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("CONCAT(\"precio\", ' euros')", code2.toString());
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} |
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public void testConcat2() { |
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String source = "CONCAT(precio,' euros')"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("CONCAT(\"precio\", ' euros')", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("CONCAT(\"precio\", ' euros')", code2.toString());
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} |
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public void testInvokeFunction1() { |
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String source = "ST_Area(GEOMETRY)"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("ST_Area(\"GEOMETRY\")", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("ST_Area(\"GEOMETRY\")", code2.toString());
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} |
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public void testInvokeMethod1() { |
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String source = "'hola'.length()"; |
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source); |
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assertEquals("'hola'->length()", code.toString());
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SymbolTable symbolTable = createSymbolTable(); |
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Optimizer optimizer = createOptimizer(symbolTable); |
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Code code2 = optimizer.optimize(code); |
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assertEquals("'hola'->length()", code2.toString());
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} |
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} |