svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / test / java / org / gvsig / expressionevaluator / TestGrammarCompiler.java @ 45213
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package org.gvsig.expressionevaluator; |
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import java.util.Objects; |
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import junit.framework.TestCase; |
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import org.gvsig.expressionevaluator.impl.expressionbuilder.formatters.DALFormatter; |
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import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
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/**
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*
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* @author jjdelcerro
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*/
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public class TestGrammarCompiler extends TestCase { |
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public TestGrammarCompiler(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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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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LexicalAnalyzer lexer = manager.createLexicalAnalyzer(); |
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return lexer;
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} |
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protected org.gvsig.expressionevaluator.Compiler createCompiler() {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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Compiler compiler = manager.createCompiler();
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compiler.setLexicalAnalyzer(createLexicalAnalyzer()); |
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return compiler;
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} |
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protected SymbolTable createSymbolTable() {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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MutableSymbolTable symbolTable = manager.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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protected Interpreter createInterpreter(SymbolTable symbolTable) {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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Interpreter interpreter = manager.createInterpreter(); |
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interpreter.setSymbolTable(symbolTable); |
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return interpreter;
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} |
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private void link(Code code) { |
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code.link(createSymbolTable()); |
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} |
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private void dump(String testname, Object expected, Object actual) { |
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System.out.println("### ---------------------"); |
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System.out.println("### "+testname); |
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System.out.println("### expected: "+Objects.toString(expected)); |
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System.out.println("### actual : "+Objects.toString(actual)); |
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} |
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private void checkEquals(String testname, Object expected, Object actual) { |
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dump(testname,expected,actual); |
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assertEquals(expected, actual); |
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} |
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public void testSelect() { |
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StringBuilder source = new StringBuilder(); |
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source.append("SELECT * FROM countries;");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelect", "SELECT(TUPLE(), \"countries\", NULL, TUPLE(), TUPLE(), NULL)", code.toString()); |
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} |
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public void testSelect1() { |
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StringBuilder source = new StringBuilder(); |
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source.append("SELECT * FROM countries");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelect1", "SELECT(TUPLE(), \"countries\", NULL, TUPLE(), TUPLE(), NULL)", code.toString()); |
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} |
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public void testSelect2() { |
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StringBuilder source = new StringBuilder(); |
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source.append("BEGIN ");
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source.append(" SET X = 0; ");
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source.append(" FOR row in (SELECT * FROM countries;) "); // Con ; |
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source.append(" BEGIN ");
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source.append(" IF row.LASTCENSUS > 0 THEN ");
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source.append(" SET X = X + row.LASTCENSUS ");
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source.append(" END IF ");
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source.append(" END FOR ");
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source.append("END");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelect2", "BLOCK(LET('X', 0), FOREACH('row', SELECT(TUPLE(), \"countries\", NULL, TUPLE(), TUPLE(), NULL), IF((GETATTR(\"row\", 'LASTCENSUS') > 0), LET('X', (\"X\" + GETATTR(\"row\", 'LASTCENSUS'))))))", code.toString()); |
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} |
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public void testSelect3() { |
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StringBuilder source = new StringBuilder(); |
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source.append("BEGIN ");
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source.append(" SET X = 0; ");
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source.append(" FOR row in (SELECT * FROM countries) "); // Sin ; |
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source.append(" BEGIN ");
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source.append(" IF row.LASTCENSUS > 0 THEN ");
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source.append(" SET X = X + row.LASTCENSUS ");
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source.append(" END IF ");
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source.append(" END FOR ");
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source.append("END");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelect3", "BLOCK(LET('X', 0), FOREACH('row', SELECT(TUPLE(), \"countries\", NULL, TUPLE(), TUPLE(), NULL), IF((GETATTR(\"row\", 'LASTCENSUS') > 0), LET('X', (\"X\" + GETATTR(\"row\", 'LASTCENSUS'))))))", code.toString()); |
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} |
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public void testSelectWhere() { |
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StringBuilder source = new StringBuilder(); |
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source.append("SELECT * FROM countries ");
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source.append(" WHERE LASTCENSUS > 0; ");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelectWhere", "SELECT(TUPLE(), \"countries\", (\"LASTCENSUS\" > 0), TUPLE(), TUPLE(), NULL)", code.toString()); |
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} |
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public void testSelectCountWhere() { |
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StringBuilder source = new StringBuilder(); |
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source.append("SELECT COUNT(*) FROM countries ");
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source.append(" WHERE LASTCENSUS > 0 ; ");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelectCountWhere", "SELECT_COUNT(\"countries\", (\"LASTCENSUS\" > 0))", code.toString()); |
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} |
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public void testSelectWhere2() { |
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StringBuilder source = new StringBuilder(); |
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source.append("SELECT * FROM countries ");
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source.append(" WHERE countries.LASTCENSUS > 0 ; ");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelectWhere2", "SELECT(TUPLE(), \"countries\", (GETATTR(\"countries\", 'LASTCENSUS') > 0), TUPLE(), TUPLE(), NULL)", code.toString()); |
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} |
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public void testSelectOrder() { |
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StringBuilder source = new StringBuilder(); |
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source.append("SELECT * FROM countries ");
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source.append(" ORDER BY CONTINENT ASC, LASTCENSUS DESC; ");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelectOrder", "SELECT(TUPLE(), \"countries\", NULL, TUPLE(\"CONTINENT\", \"LASTCENSUS\"), TUPLE(TRUE, FALSE), NULL)", code.toString()); |
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} |
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public void testSelectWhereOrder() { |
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StringBuilder source = new StringBuilder(); |
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source.append("SELECT * FROM countries ");
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source.append(" WHERE LASTCENSUS > 0 ");
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source.append(" ORDER BY ID ; ");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelectWhereOrder", "SELECT(TUPLE(), \"countries\", (\"LASTCENSUS\" > 0), TUPLE(\"ID\"), TUPLE(TRUE), NULL)", code.toString()); |
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} |
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public void testSelectWhereOrderLimit() { |
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StringBuilder source = new StringBuilder(); |
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source.append("SELECT * FROM countries ");
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source.append(" WHERE LASTCENSUS > 0 ");
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source.append(" ORDER BY LASTCENSUS DESC");
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source.append(" LIMIT 3 ;");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelectWhereOrderLimit", "SELECT(TUPLE(), \"countries\", (\"LASTCENSUS\" > 0), TUPLE(\"LASTCENSUS\"), TUPLE(FALSE), 3)", code.toString()); |
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} |
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public void testSelectLimit() { |
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StringBuilder source = new StringBuilder(); |
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source.append("SELECT * FROM countries ");
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source.append(" LIMIT 3; ");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testSelectLimit", "SELECT(TUPLE(), \"countries\", NULL, TUPLE(), TUPLE(), 3)", code.toString()); |
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} |
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public void testExists() { |
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StringBuilder source = new StringBuilder(); |
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source.append("EXISTS(NULL)");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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String id = "????????????????????????????????"; |
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String s = code.toString();
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s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
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checkEquals("testExists", "EXISTS(NULL, 'EXISTS????????????????????????????????')", s); |
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} |
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public void testExistsSelect1() { |
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StringBuilder source = new StringBuilder(); |
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source.append("EXISTS(");
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source.append(" SELECT \"ISO_A2\" FROM countries");
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source.append(" WHERE countries.LASTCENSUS > 0 ; ");
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source.append(")");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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String id = "????????????????????????????????"; |
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String s = code.toString();
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s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
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checkEquals("testExistsSelect1", "EXISTS(SELECT(TUPLE(\"ISO_A2\"), \"countries\", (GETATTR(\"countries\", 'LASTCENSUS') > 0), TUPLE(), TUPLE(), NULL), 'EXISTS????????????????????????????????')", s); |
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} |
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public void testExistsSelect2() { |
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StringBuilder source = new StringBuilder(); |
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source.append("EXISTS(");
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source.append(" SELECT \"ISO_A2\" FROM countries");
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source.append(" WHERE countries.LASTCENSUS > 0 ");
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source.append(")");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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String id = "????????????????????????????????"; |
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String s = code.toString();
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s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
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checkEquals("testExistsSelect2", "EXISTS(SELECT(TUPLE(\"ISO_A2\"), \"countries\", (GETATTR(\"countries\", 'LASTCENSUS') > 0), TUPLE(), TUPLE(), NULL), 'EXISTS????????????????????????????????')", s); |
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} |
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public void testExistsSelectLimit1() { |
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StringBuilder source = new StringBuilder(); |
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source.append("EXISTS(");
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source.append(" SELECT \"ISO_A2\" FROM countries ");
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source.append(" WHERE countries.LASTCENSUS > 0 ");
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source.append(" LIMIT 1; ");
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source.append(")");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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String id = "????????????????????????????????"; |
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String s = code.toString();
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s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
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checkEquals("testExistsSelectLimit1", "EXISTS(SELECT(TUPLE(\"ISO_A2\"), \"countries\", (GETATTR(\"countries\", 'LASTCENSUS') > 0), TUPLE(), TUPLE(), 1), 'EXISTS????????????????????????????????')", s); |
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} |
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public void testExistsSelectLimit2() { |
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// Sobre la tabla de continentes, para obtener la lista de continentes
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// que tienen paises sin censo.
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// Filtramos continentes por un campo del pais.
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StringBuilder source = new StringBuilder(); |
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source.append("EXISTS(");
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source.append(" SELECT \"ISO_A2\" FROM countries");
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source.append(" WHERE ");
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source.append(" continents.NAME = countries.CONTINENT AND ");
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source.append(" countries.LASTCENSUS < 0 ");
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source.append(" LIMIT 1; ");
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source.append(")");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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String id = "????????????????????????????????"; |
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String s = code.toString();
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s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
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checkEquals("testExistsSelectLimit2", "EXISTS(SELECT(TUPLE(\"ISO_A2\"), \"countries\", ((GETATTR(\"continents\", 'NAME') = GETATTR(\"countries\", 'CONTINENT')) AND (GETATTR(\"countries\", 'LASTCENSUS') < 0)), TUPLE(), TUPLE(), 1), 'EXISTS????????????????????????????????')", s); |
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} |
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public void testExistsSelectLimit3() { |
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// Sobre la tabla de continentes, para obtener la lista de continentes
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// que tienen paises sin censo.
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// Filtramos continentes por un campo del pais.
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StringBuilder source = new StringBuilder(); |
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source.append("EXISTS(");
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source.append(" SELECT \"ISO_A2\" FROM countries");
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source.append(" WHERE ");
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source.append(" continents.NAME = countries.CONTINENT AND ");
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source.append(" countries.LASTCENSUS < 0 ");
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source.append(" LIMIT 1 ");
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source.append(" ,");
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source.append(" 'patata'");
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source.append(")");
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Compiler compiler = createCompiler();
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Code code = compiler.compileExpression(source.toString()); |
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link(code); |
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checkEquals("testExistsSelectLimit3", "EXISTS(SELECT(TUPLE(\"ISO_A2\"), \"countries\", ((GETATTR(\"continents\", 'NAME') = GETATTR(\"countries\", 'CONTINENT')) AND (GETATTR(\"countries\", 'LASTCENSUS') < 0)), TUPLE(), TUPLE(), 1), 'patata')", code.toString()); |
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} |
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} |