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 @ 44750
History | View | Annotate | Download (13.5 KB)
| 1 |
package org.gvsig.expressionevaluator; |
|---|---|
| 2 |
|
| 3 |
import junit.framework.TestCase; |
| 4 |
import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
| 5 |
|
| 6 |
/**
|
| 7 |
*
|
| 8 |
* @author jjdelcerro
|
| 9 |
*/
|
| 10 |
public class TestGrammarCompiler extends TestCase { |
| 11 |
|
| 12 |
public TestGrammarCompiler(String testName) { |
| 13 |
super(testName);
|
| 14 |
} |
| 15 |
|
| 16 |
@Override
|
| 17 |
protected void setUp() throws Exception { |
| 18 |
super.setUp();
|
| 19 |
new DefaultLibrariesInitializer().fullInitialize();
|
| 20 |
} |
| 21 |
|
| 22 |
@Override
|
| 23 |
protected void tearDown() throws Exception { |
| 24 |
super.tearDown();
|
| 25 |
} |
| 26 |
|
| 27 |
// TODO add test methods here. The name must begin with 'test'. For example:
|
| 28 |
// public void testHello() {}
|
| 29 |
|
| 30 |
protected LexicalAnalyzer createLexicalAnalyzer() {
|
| 31 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
| 32 |
LexicalAnalyzer lexer = manager.createLexicalAnalyzer(); |
| 33 |
return lexer;
|
| 34 |
} |
| 35 |
|
| 36 |
protected org.gvsig.expressionevaluator.Compiler createCompiler() {
|
| 37 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
| 38 |
Compiler compiler = manager.createCompiler();
|
| 39 |
compiler.setLexicalAnalyzer(createLexicalAnalyzer()); |
| 40 |
return compiler;
|
| 41 |
} |
| 42 |
|
| 43 |
protected SymbolTable createSymbolTable() {
|
| 44 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
| 45 |
MutableSymbolTable symbolTable = manager.createSymbolTable(); |
| 46 |
symbolTable.setVar("precio", 200); |
| 47 |
symbolTable.setVar("1990", 0.168873933773767); |
| 48 |
return symbolTable;
|
| 49 |
} |
| 50 |
|
| 51 |
protected Interpreter createInterpreter(SymbolTable symbolTable) {
|
| 52 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
| 53 |
Interpreter interpreter = manager.createInterpreter(); |
| 54 |
interpreter.setSymbolTable(symbolTable); |
| 55 |
return interpreter;
|
| 56 |
} |
| 57 |
|
| 58 |
private void link(Code code) { |
| 59 |
code.link(createSymbolTable()); |
| 60 |
} |
| 61 |
|
| 62 |
public void testSelect() { |
| 63 |
StringBuilder source = new StringBuilder(); |
| 64 |
source.append("SELECT * FROM countries;");
|
| 65 |
|
| 66 |
Compiler compiler = createCompiler();
|
| 67 |
|
| 68 |
Code code = compiler.compileExpression(source.toString()); |
| 69 |
link(code); |
| 70 |
assertEquals("SELECT(NULL, \"countries\", NULL, TUPLE(), TUPLE(), NULL)", code.toString());
|
| 71 |
} |
| 72 |
|
| 73 |
public void testSelect1() { |
| 74 |
StringBuilder source = new StringBuilder(); |
| 75 |
source.append("SELECT * FROM countries");
|
| 76 |
|
| 77 |
Compiler compiler = createCompiler();
|
| 78 |
|
| 79 |
Code code = compiler.compileExpression(source.toString()); |
| 80 |
link(code); |
| 81 |
assertEquals("SELECT(NULL, \"countries\", NULL, TUPLE(), TUPLE(), NULL)", code.toString());
|
| 82 |
} |
| 83 |
|
| 84 |
public void testSelect2() { |
| 85 |
StringBuilder source = new StringBuilder(); |
| 86 |
source.append("BEGIN ");
|
| 87 |
source.append(" SET X = 0; ");
|
| 88 |
source.append(" FOR row in (SELECT * FROM countries;) "); // Con ; |
| 89 |
source.append(" BEGIN ");
|
| 90 |
source.append(" IF row.LASTCENSUS > 0 THEN ");
|
| 91 |
source.append(" SET X = X + row.LASTCENSUS ");
|
| 92 |
source.append(" END IF ");
|
| 93 |
source.append(" END FOR ");
|
| 94 |
source.append("END");
|
| 95 |
|
| 96 |
Compiler compiler = createCompiler();
|
| 97 |
|
| 98 |
Code code = compiler.compileExpression(source.toString()); |
| 99 |
link(code); |
| 100 |
assertEquals("BLOCK(LET('X', 0), FOREACH('row', SELECT(NULL, \"countries\", NULL, TUPLE(), TUPLE(), NULL), IFF((\"row\".\"LASTCENSUS\" > 0), LET('X', (\"X\" + \"row\".\"LASTCENSUS\")))))", code.toString());
|
| 101 |
} |
| 102 |
|
| 103 |
public void testSelect3() { |
| 104 |
StringBuilder source = new StringBuilder(); |
| 105 |
source.append("BEGIN ");
|
| 106 |
source.append(" SET X = 0; ");
|
| 107 |
source.append(" FOR row in (SELECT * FROM countries) "); // Sin ; |
| 108 |
source.append(" BEGIN ");
|
| 109 |
source.append(" IF row.LASTCENSUS > 0 THEN ");
|
| 110 |
source.append(" SET X = X + row.LASTCENSUS ");
|
| 111 |
source.append(" END IF ");
|
| 112 |
source.append(" END FOR ");
|
| 113 |
source.append("END");
|
| 114 |
|
| 115 |
Compiler compiler = createCompiler();
|
| 116 |
|
| 117 |
Code code = compiler.compileExpression(source.toString()); |
| 118 |
link(code); |
| 119 |
assertEquals("BLOCK(LET('X', 0), FOREACH('row', SELECT(NULL, \"countries\", NULL, TUPLE(), TUPLE(), NULL), IFF((\"row\".\"LASTCENSUS\" > 0), LET('X', (\"X\" + \"row\".\"LASTCENSUS\")))))", code.toString());
|
| 120 |
} |
| 121 |
|
| 122 |
public void testSelectWhere() { |
| 123 |
StringBuilder source = new StringBuilder(); |
| 124 |
source.append("SELECT * FROM countries ");
|
| 125 |
source.append(" WHERE LASTCENSUS > 0; ");
|
| 126 |
|
| 127 |
Compiler compiler = createCompiler();
|
| 128 |
|
| 129 |
Code code = compiler.compileExpression(source.toString()); |
| 130 |
link(code); |
| 131 |
assertEquals("SELECT(NULL, \"countries\", (\"LASTCENSUS\" > 0), TUPLE(), TUPLE(), NULL)", code.toString());
|
| 132 |
} |
| 133 |
|
| 134 |
public void testSelectCountWhere() { |
| 135 |
StringBuilder source = new StringBuilder(); |
| 136 |
source.append("SELECT COUNT(*) FROM countries ");
|
| 137 |
source.append(" WHERE LASTCENSUS > 0 ; ");
|
| 138 |
|
| 139 |
Compiler compiler = createCompiler();
|
| 140 |
|
| 141 |
Code code = compiler.compileExpression(source.toString()); |
| 142 |
link(code); |
| 143 |
assertEquals("SELECT_COUNT(\"countries\", (\"LASTCENSUS\" > 0))", code.toString());
|
| 144 |
} |
| 145 |
|
| 146 |
public void testSelectWhere2() { |
| 147 |
StringBuilder source = new StringBuilder(); |
| 148 |
source.append("SELECT * FROM countries ");
|
| 149 |
source.append(" WHERE countries.LASTCENSUS > 0 ; ");
|
| 150 |
|
| 151 |
Compiler compiler = createCompiler();
|
| 152 |
|
| 153 |
Code code = compiler.compileExpression(source.toString()); |
| 154 |
link(code); |
| 155 |
assertEquals("SELECT(NULL, \"countries\", (\"countries\".\"LASTCENSUS\" > 0), TUPLE(), TUPLE(), NULL)", code.toString());
|
| 156 |
} |
| 157 |
|
| 158 |
public void testSelectOrder() { |
| 159 |
StringBuilder source = new StringBuilder(); |
| 160 |
source.append("SELECT * FROM countries ");
|
| 161 |
source.append(" ORDER BY CONTINENT ASC, LASTCENSUS DESC; ");
|
| 162 |
|
| 163 |
Compiler compiler = createCompiler();
|
| 164 |
|
| 165 |
Code code = compiler.compileExpression(source.toString()); |
| 166 |
link(code); |
| 167 |
assertEquals("SELECT(NULL, \"countries\", NULL, TUPLE(\"CONTINENT\", \"LASTCENSUS\"), TUPLE(TRUE, FALSE), NULL)", code.toString());
|
| 168 |
} |
| 169 |
|
| 170 |
public void testSelectWhereOrder() { |
| 171 |
StringBuilder source = new StringBuilder(); |
| 172 |
source.append("SELECT * FROM countries ");
|
| 173 |
source.append(" WHERE LASTCENSUS > 0 ");
|
| 174 |
source.append(" ORDER BY ID ; ");
|
| 175 |
|
| 176 |
Compiler compiler = createCompiler();
|
| 177 |
|
| 178 |
Code code = compiler.compileExpression(source.toString()); |
| 179 |
link(code); |
| 180 |
assertEquals("SELECT(NULL, \"countries\", (\"LASTCENSUS\" > 0), TUPLE(\"ID\"), TUPLE(TRUE), NULL)", code.toString());
|
| 181 |
} |
| 182 |
|
| 183 |
public void testSelectWhereOrderLimit() { |
| 184 |
StringBuilder source = new StringBuilder(); |
| 185 |
source.append("SELECT * FROM countries ");
|
| 186 |
source.append(" WHERE LASTCENSUS > 0 ");
|
| 187 |
source.append(" ORDER BY LASTCENSUS DESC");
|
| 188 |
source.append(" LIMIT 3 ;");
|
| 189 |
|
| 190 |
Compiler compiler = createCompiler();
|
| 191 |
|
| 192 |
Code code = compiler.compileExpression(source.toString()); |
| 193 |
link(code); |
| 194 |
assertEquals("SELECT(NULL, \"countries\", (\"LASTCENSUS\" > 0), TUPLE(\"LASTCENSUS\"), TUPLE(FALSE), 3)", code.toString());
|
| 195 |
} |
| 196 |
|
| 197 |
public void testSelectLimit() { |
| 198 |
StringBuilder source = new StringBuilder(); |
| 199 |
source.append("SELECT * FROM countries ");
|
| 200 |
source.append(" LIMIT 3; ");
|
| 201 |
|
| 202 |
Compiler compiler = createCompiler();
|
| 203 |
|
| 204 |
Code code = compiler.compileExpression(source.toString()); |
| 205 |
link(code); |
| 206 |
assertEquals("SELECT(NULL, \"countries\", NULL, TUPLE(), TUPLE(), 3)", code.toString());
|
| 207 |
} |
| 208 |
|
| 209 |
public void testExists() { |
| 210 |
StringBuilder source = new StringBuilder(); |
| 211 |
source.append("EXISTS(NULL)");
|
| 212 |
|
| 213 |
Compiler compiler = createCompiler();
|
| 214 |
|
| 215 |
Code code = compiler.compileExpression(source.toString()); |
| 216 |
link(code); |
| 217 |
String id = "????????????????????????????????"; |
| 218 |
String s = code.toString();
|
| 219 |
s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
| 220 |
assertEquals("EXISTS(NULL, 'EXISTS????????????????????????????????')", s);
|
| 221 |
} |
| 222 |
|
| 223 |
public void testExistsSelect1() { |
| 224 |
StringBuilder source = new StringBuilder(); |
| 225 |
source.append("EXISTS(");
|
| 226 |
source.append(" SELECT 1 FROM countries");
|
| 227 |
source.append(" WHERE countries.LASTCENSUS > 0 ; ");
|
| 228 |
source.append(")");
|
| 229 |
|
| 230 |
Compiler compiler = createCompiler();
|
| 231 |
|
| 232 |
Code code = compiler.compileExpression(source.toString()); |
| 233 |
link(code); |
| 234 |
String id = "????????????????????????????????"; |
| 235 |
String s = code.toString();
|
| 236 |
s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
| 237 |
assertEquals("EXISTS(SELECT(TUPLE(1), \"countries\", (\"countries\".\"LASTCENSUS\" > 0), TUPLE(), TUPLE(), NULL), 'EXISTS????????????????????????????????')", s);
|
| 238 |
} |
| 239 |
|
| 240 |
public void testExistsSelect2() { |
| 241 |
StringBuilder source = new StringBuilder(); |
| 242 |
source.append("EXISTS(");
|
| 243 |
source.append(" SELECT 1 FROM countries");
|
| 244 |
source.append(" WHERE countries.LASTCENSUS > 0 ");
|
| 245 |
source.append(")");
|
| 246 |
|
| 247 |
Compiler compiler = createCompiler();
|
| 248 |
|
| 249 |
Code code = compiler.compileExpression(source.toString()); |
| 250 |
link(code); |
| 251 |
String id = "????????????????????????????????"; |
| 252 |
String s = code.toString();
|
| 253 |
s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
| 254 |
assertEquals("EXISTS(SELECT(TUPLE(1), \"countries\", (\"countries\".\"LASTCENSUS\" > 0), TUPLE(), TUPLE(), NULL), 'EXISTS????????????????????????????????')", s);
|
| 255 |
} |
| 256 |
|
| 257 |
public void testExistsSelectLimit1() { |
| 258 |
StringBuilder source = new StringBuilder(); |
| 259 |
source.append("EXISTS(");
|
| 260 |
source.append(" SELECT 1 FROM countries ");
|
| 261 |
source.append(" WHERE countries.LASTCENSUS > 0 ");
|
| 262 |
source.append(" LIMIT 1; ");
|
| 263 |
source.append(")");
|
| 264 |
|
| 265 |
Compiler compiler = createCompiler();
|
| 266 |
|
| 267 |
Code code = compiler.compileExpression(source.toString()); |
| 268 |
link(code); |
| 269 |
String id = "????????????????????????????????"; |
| 270 |
String s = code.toString();
|
| 271 |
s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
| 272 |
assertEquals("EXISTS(SELECT(TUPLE(1), \"countries\", (\"countries\".\"LASTCENSUS\" > 0), TUPLE(), TUPLE(), 1), 'EXISTS????????????????????????????????')", s);
|
| 273 |
} |
| 274 |
|
| 275 |
public void testExistsSelectLimit2() { |
| 276 |
// Sobre la tabla de continentes, para obtener la lista de continentes
|
| 277 |
// que tienen paises sin censo.
|
| 278 |
// Filtramos continentes por un campo del pais.
|
| 279 |
StringBuilder source = new StringBuilder(); |
| 280 |
source.append("EXISTS(");
|
| 281 |
source.append(" SELECT 1 FROM countries");
|
| 282 |
source.append(" WHERE ");
|
| 283 |
source.append(" continents.NAME = countries.CONTINENT AND ");
|
| 284 |
source.append(" countries.LASTCENSUS < 0 ");
|
| 285 |
source.append(" LIMIT 1; ");
|
| 286 |
source.append(")");
|
| 287 |
|
| 288 |
Compiler compiler = createCompiler();
|
| 289 |
|
| 290 |
Code code = compiler.compileExpression(source.toString()); |
| 291 |
link(code); |
| 292 |
String id = "????????????????????????????????"; |
| 293 |
String s = code.toString();
|
| 294 |
s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
| 295 |
assertEquals("EXISTS(SELECT(TUPLE(1), \"countries\", ((\"continents\".\"NAME\" = \"countries\".\"CONTINENT\") AND (\"countries\".\"LASTCENSUS\" < 0)), TUPLE(), TUPLE(), 1), 'EXISTS????????????????????????????????')", s);
|
| 296 |
} |
| 297 |
|
| 298 |
public void testExistsSelectLimit3() { |
| 299 |
// Sobre la tabla de continentes, para obtener la lista de continentes
|
| 300 |
// que tienen paises sin censo.
|
| 301 |
// Filtramos continentes por un campo del pais.
|
| 302 |
StringBuilder source = new StringBuilder(); |
| 303 |
source.append("EXISTS(");
|
| 304 |
source.append(" SELECT 1 FROM countries");
|
| 305 |
source.append(" WHERE ");
|
| 306 |
source.append(" continents.NAME = countries.CONTINENT AND ");
|
| 307 |
source.append(" countries.LASTCENSUS < 0 ");
|
| 308 |
source.append(" LIMIT 1 ");
|
| 309 |
source.append(" ,");
|
| 310 |
source.append(" 'patata'");
|
| 311 |
source.append(")");
|
| 312 |
|
| 313 |
Compiler compiler = createCompiler();
|
| 314 |
|
| 315 |
Code code = compiler.compileExpression(source.toString()); |
| 316 |
link(code); |
| 317 |
assertEquals("EXISTS(SELECT(TUPLE(1), \"countries\", ((\"continents\".\"NAME\" = \"countries\".\"CONTINENT\") AND (\"countries\".\"LASTCENSUS\" < 0)), TUPLE(), TUPLE(), 1), 'patata')", code.toString());
|
| 318 |
} |
| 319 |
|
| 320 |
public void testExistsSelectLimit4() { |
| 321 |
StringBuilder source = new StringBuilder(); |
| 322 |
source.append("EXISTS(");
|
| 323 |
source.append(" SELECT(");
|
| 324 |
source.append(" TUPLE(1), ");
|
| 325 |
source.append(" countries, ");
|
| 326 |
source.append(" (countries.LASTCENSUS > 0), ");
|
| 327 |
source.append(" TUPLE(), ");
|
| 328 |
source.append(" TUPLE(), ");
|
| 329 |
source.append(" 1 ");
|
| 330 |
source.append(" ) ");
|
| 331 |
source.append(" , ");
|
| 332 |
source.append(" 'EXISTS1234567890ABCDEFGHHIJKLMNOPQRSTU' ");
|
| 333 |
source.append(") ");
|
| 334 |
|
| 335 |
Compiler compiler = createCompiler();
|
| 336 |
|
| 337 |
Code code = compiler.compileExpression(source.toString()); |
| 338 |
link(code); |
| 339 |
String id = "????????????????????????????????"; |
| 340 |
String s = code.toString();
|
| 341 |
s = s.substring(0, s.length()-id.length()-2)+id+s.substring(s.length()-2); |
| 342 |
assertEquals("EXISTS(SELECT(TUPLE(1), \"countries\", (\"countries\".\"LASTCENSUS\" > 0), TUPLE(), TUPLE(), 1), 'EXISTS????????????????????????????????')", s);
|
| 343 |
} |
| 344 |
|
| 345 |
} |