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 / TestJsonInterpreter.java @ 45025
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package org.gvsig.expresionevaluator.impl; |
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import java.text.ParseException; |
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import java.util.List; |
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import java.util.Map; |
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import javax.json.JsonArray; |
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import javax.json.JsonObject; |
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import junit.framework.TestCase; |
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import org.gvsig.expressionevaluator.Code; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.LexicalAnalyzer; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.expressionevaluator.Compiler; |
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import org.gvsig.expressionevaluator.MutableSymbolTable; |
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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 TestJsonInterpreter extends TestCase { |
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public TestJsonInterpreter(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 MutableSymbolTable 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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public void testSimpleList() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "[ 10, 20, 'adios' ]"; |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals("[ 10, 20, 'adios' ]", code.toString());
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assertTrue("List expected", v instanceof List); |
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assertEquals(3, ((List)v).size()); |
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assertEquals(10, ((List)v).get(0)); |
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assertEquals(20, ((List)v).get(1)); |
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assertEquals("adios", ((List)v).get(2)); |
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} |
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public void testSimpleDict() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "{ diez:10, 'veinte':20, saludo:'hola', 'despedida':'adios' }"; |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals("{ 'diez':10, 'veinte':20, 'saludo':'hola', 'despedida':'adios' }", code.toString());
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assertTrue("Map expected", v instanceof Map); |
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assertEquals(4, ((Map)v).size()); |
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assertEquals(10, ((Map)v).get("diez")); |
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assertEquals(20, ((Map)v).get("veinte")); |
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assertEquals("hola", ((Map)v).get("saludo")); |
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assertEquals("adios", ((Map)v).get("despedida")); |
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} |
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public void testSimpleToJsonObjectFromString() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "to_json('{ \"diez\":10, \"veinte\":20, \"despedida\":\"adios\" }')"; |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals("to_json('{ \"diez\":10, \"veinte\":20, \"despedida\":\"adios\" }')", code.toString());
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assertTrue("JsonObject expected", v instanceof JsonObject); |
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assertEquals(3, ((JsonObject)v).size());
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assertEquals(10, ((JsonObject)v).getInt("diez")); |
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assertEquals(20, ((JsonObject)v).getInt("veinte")); |
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assertEquals("adios", ((JsonObject)v).getString("despedida")); |
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} |
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public void testSimpleToJsonObjectFromMap() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "to_json({ diez:10, veinte:20, despedida:'adios' })"; |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals("to_json({ 'diez':10, 'veinte':20, 'despedida':'adios' })", code.toString());
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assertTrue("JsonObject expected", v instanceof JsonObject); |
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assertEquals(3, ((JsonObject)v).size());
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assertEquals(10, ((JsonObject)v).getInt("diez")); |
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assertEquals(20, ((JsonObject)v).getInt("veinte")); |
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assertEquals("adios", ((JsonObject)v).getString("despedida")); |
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} |
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public void testSimpleToJsonArrayFromString() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "to_json('[ 10, 20, \"adios\" ]')"; |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals("to_json('[ 10, 20, \"adios\" ]')", code.toString());
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assertTrue("JsonArray expected", v instanceof JsonArray); |
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assertEquals(3, ((JsonArray)v).size());
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assertEquals(10, ((JsonArray)v).getInt(0)); |
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assertEquals(20, ((JsonArray)v).getInt(1)); |
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assertEquals("adios", ((JsonArray)v).getString(2)); |
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} |
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public void testSimpleToJsonArrayFromList() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "to_json([ 10, 20, 'adios' ])"; |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals("to_json([ 10, 20, 'adios' ])", code.toString());
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assertTrue("JsonArray expected", v instanceof JsonArray); |
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assertEquals(3, ((JsonArray)v).size());
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assertEquals(10, ((JsonArray)v).getInt(0)); |
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assertEquals(20, ((JsonArray)v).getInt(1)); |
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assertEquals("adios", ((JsonArray)v).getString(2)); |
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} |
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public void testComplexToJsonArrayFromList() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "to_json([ 10, 20, { diez:10, veinte:20, despedida:'adios' }, 'adios' ])"; |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals("to_json([ 10, 20, { 'diez':10, 'veinte':20, 'despedida':'adios' }, 'adios' ])", code.toString());
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assertTrue("JsonArray expected", v instanceof JsonArray); |
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assertEquals(4, ((JsonArray)v).size());
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assertEquals(10, ((JsonArray)v).getInt(0)); |
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assertEquals(20, ((JsonArray)v).getInt(1)); |
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assertEquals("adios", ((JsonArray)v).getString(3)); |
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assertTrue("JsonObject expected", ((JsonArray)v).getJsonObject(2) instanceof JsonObject); |
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JsonObject jsonobj = ((JsonArray)v).getJsonObject(2);
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assertEquals(3, jsonobj.size());
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assertEquals(10, jsonobj.getInt("diez")); |
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assertEquals(20, jsonobj.getInt("veinte")); |
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assertEquals("adios", jsonobj.getString("despedida")); |
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} |
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public void testLambda1() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "begin set x to 10 ; set fn = lambda : x * 2; fn(); end"; |
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Code code = compiler.compileExpression(source); |
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assertEquals("BLOCK(LET('x', 10), LET('fn', CREATE_FUNCTION(NULL, (\"x\" * 2))), fn())", code.toString());
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Object v = interpreter.run(code);
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assertEquals(20, ((Number)v).intValue()); |
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} |
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public void testLambda1WithArgs() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "begin set x to 10 ; set fn = lambda n : (x * 2) + n; fn(3); end"; |
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Code code = compiler.compileExpression(source); |
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assertEquals("BLOCK(LET('x', 10), LET('fn', CREATE_FUNCTION(LIST('n'), ((\"x\" * 2) + \"n\"))), fn(3))", code.toString());
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Object v = interpreter.run(code);
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assertEquals(23, ((Number)v).intValue()); |
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} |
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public void testMap1() throws ParseException { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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String source = "begin " + |
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"set data to [ { a:10, b:'primero'}, { a:20, b:'segundo'} ] ; "+
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"set data2 to map( lambda x: { label:x['b'], value:x['a'] }, data); "+
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"cast(to_json(data2) as String); " +
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"end";
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Code code = compiler.compileExpression(source); |
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assertEquals("BLOCK(LET('data', LIST(DICT('a', 10, 'b', 'primero'), DICT('a', 20, 'b', 'segundo'))), LET('data2', map(CREATE_FUNCTION(LIST('x'), DICT('label', GETITEM(\"x\", 'b'), 'value', GETITEM(\"x\", 'a'))), \"data\")), CAST(to_json(\"data2\"), 'String'))", code.toString());
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Object v = interpreter.run(code);
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assertEquals("[{\"label\":\"primero\",\"value\":10},{\"label\":\"segundo\",\"value\":20}]", (String)v); |
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} |
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} |