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 / TestGrammarCompiler.java @ 44198
History | View | Annotate | Download (10.4 KB)
| 1 |
package org.gvsig.expresionevaluator.impl; |
|---|---|
| 2 |
|
| 3 |
import static junit.framework.Assert.assertEquals; |
| 4 |
import junit.framework.TestCase; |
| 5 |
import org.gvsig.expressionevaluator.Code; |
| 6 |
import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
| 7 |
import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
| 8 |
import org.gvsig.expressionevaluator.Interpreter; |
| 9 |
import org.gvsig.expressionevaluator.LexicalAnalyzer; |
| 10 |
import org.gvsig.expressionevaluator.SymbolTable; |
| 11 |
import org.gvsig.expressionevaluator.Compiler; |
| 12 |
import org.gvsig.expressionevaluator.MutableSymbolTable; |
| 13 |
import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
| 14 |
|
| 15 |
/**
|
| 16 |
*
|
| 17 |
* @author jjdelcerro
|
| 18 |
*/
|
| 19 |
public class TestGrammarCompiler extends TestCase { |
| 20 |
|
| 21 |
public TestGrammarCompiler(String testName) { |
| 22 |
super(testName);
|
| 23 |
} |
| 24 |
|
| 25 |
@Override
|
| 26 |
protected void setUp() throws Exception { |
| 27 |
super.setUp();
|
| 28 |
new DefaultLibrariesInitializer().fullInitialize();
|
| 29 |
} |
| 30 |
|
| 31 |
@Override
|
| 32 |
protected void tearDown() throws Exception { |
| 33 |
super.tearDown();
|
| 34 |
} |
| 35 |
|
| 36 |
// TODO add test methods here. The name must begin with 'test'. For example:
|
| 37 |
// public void testHello() {}
|
| 38 |
|
| 39 |
protected LexicalAnalyzer createLexicalAnalyzer() {
|
| 40 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
| 41 |
LexicalAnalyzer lexer = manager.createLexicalAnalyzer(); |
| 42 |
return lexer;
|
| 43 |
} |
| 44 |
|
| 45 |
protected org.gvsig.expressionevaluator.Compiler createCompiler() {
|
| 46 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
| 47 |
Compiler compiler = manager.createCompiler();
|
| 48 |
compiler.setLexicalAnalyzer(createLexicalAnalyzer()); |
| 49 |
return compiler;
|
| 50 |
} |
| 51 |
|
| 52 |
protected SymbolTable createSymbolTable() {
|
| 53 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
| 54 |
MutableSymbolTable symbolTable = manager.createSymbolTable(); |
| 55 |
symbolTable.setVar("precio", 200); |
| 56 |
symbolTable.setVar("1990", 0.168873933773767); |
| 57 |
return symbolTable;
|
| 58 |
} |
| 59 |
|
| 60 |
protected Interpreter createInterpreter(SymbolTable symbolTable) {
|
| 61 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
| 62 |
Interpreter interpreter = manager.createInterpreter(); |
| 63 |
interpreter.setSymbolTable(symbolTable); |
| 64 |
return interpreter;
|
| 65 |
} |
| 66 |
|
| 67 |
public void testLet() { |
| 68 |
String source = "LET V1 = 23"; |
| 69 |
|
| 70 |
Compiler compiler = createCompiler();
|
| 71 |
|
| 72 |
Code code = compiler.compileExpression(source); |
| 73 |
assertEquals("LET('V1', 23)", code.toString());
|
| 74 |
} |
| 75 |
|
| 76 |
public void testBlock() { |
| 77 |
String source = "BEGIN LET V1 = 23 END"; |
| 78 |
|
| 79 |
Compiler compiler = createCompiler();
|
| 80 |
|
| 81 |
Code code = compiler.compileExpression(source); |
| 82 |
assertEquals("BLOCK(LET('V1', 23))", code.toString());
|
| 83 |
} |
| 84 |
|
| 85 |
public void testBlock2() { |
| 86 |
String source = "BEGIN LET V1 = 11; LET V2 = 22 END"; |
| 87 |
|
| 88 |
Compiler compiler = createCompiler();
|
| 89 |
|
| 90 |
Code code = compiler.compileExpression(source); |
| 91 |
assertEquals("BLOCK(LET('V1', 11), LET('V2', 22))", code.toString());
|
| 92 |
} |
| 93 |
|
| 94 |
public void testBlock3() { |
| 95 |
Compiler compiler = createCompiler();
|
| 96 |
|
| 97 |
String source = "BEGIN LET V1 = 11; LET V2 = 22; END"; |
| 98 |
Code code = compiler.compileExpression(source); |
| 99 |
assertEquals("BLOCK(LET('V1', 11), LET('V2', 22))", code.toString());
|
| 100 |
|
| 101 |
source = "BEGIN LET V1 = 11;; LET V2 = 22;;; END";
|
| 102 |
code = compiler.compileExpression(source); |
| 103 |
assertEquals("BLOCK(LET('V1', 11), LET('V2', 22))", code.toString());
|
| 104 |
} |
| 105 |
|
| 106 |
public void testIfThen() { |
| 107 |
String source = "IF V1 = 11 THEN LET V2 = 22"; |
| 108 |
|
| 109 |
Compiler compiler = createCompiler();
|
| 110 |
|
| 111 |
Code code = compiler.compileExpression(source); |
| 112 |
assertEquals("IFF((\"V1\" = 11), LET('V2', 22))", code.toString());
|
| 113 |
} |
| 114 |
|
| 115 |
public void testIfThen2() { |
| 116 |
String source = "IF V1 = 11 LET V2 = 22"; |
| 117 |
|
| 118 |
Compiler compiler = createCompiler();
|
| 119 |
|
| 120 |
Code code = compiler.compileExpression(source); |
| 121 |
assertEquals("IFF((\"V1\" = 11), LET('V2', 22))", code.toString());
|
| 122 |
} |
| 123 |
|
| 124 |
public void testIfThen3() { |
| 125 |
String source = "IF V1 = 11: LET V2 = 22"; |
| 126 |
|
| 127 |
Compiler compiler = createCompiler();
|
| 128 |
|
| 129 |
Code code = compiler.compileExpression(source); |
| 130 |
assertEquals("IFF((\"V1\" = 11), LET('V2', 22))", code.toString());
|
| 131 |
} |
| 132 |
|
| 133 |
public void testIfThenElse() { |
| 134 |
String source = "IF V1 = 11 THEN LET V2 = 11 ELSE LET V2 = 22"; |
| 135 |
|
| 136 |
Compiler compiler = createCompiler();
|
| 137 |
|
| 138 |
Code code = compiler.compileExpression(source); |
| 139 |
assertEquals("IFF((\"V1\" = 11), LET('V2', 11), LET('V2', 22))", code.toString());
|
| 140 |
} |
| 141 |
|
| 142 |
public void testIfThenBlock() { |
| 143 |
String source = "IF V1 = 11 THEN BEGIN LET V2 = 22; LET V1 = 10 END"; |
| 144 |
|
| 145 |
Compiler compiler = createCompiler();
|
| 146 |
|
| 147 |
Code code = compiler.compileExpression(source); |
| 148 |
assertEquals("IFF((\"V1\" = 11), BLOCK(LET('V2', 22), LET('V1', 10)))", code.toString());
|
| 149 |
} |
| 150 |
|
| 151 |
public void testWhile() { |
| 152 |
String source = "WHILE n < 10 LET n = n + 1"; |
| 153 |
|
| 154 |
Compiler compiler = createCompiler();
|
| 155 |
|
| 156 |
Code code = compiler.compileExpression(source); |
| 157 |
assertEquals("WHILE((\"n\" < 10), LET('n', (\"n\" + 1)))", code.toString());
|
| 158 |
} |
| 159 |
|
| 160 |
public void testWhileBlock() { |
| 161 |
String source = "WHILE n < 10 BEGIN LET n = n + 1; print(n) END"; |
| 162 |
|
| 163 |
Compiler compiler = createCompiler();
|
| 164 |
|
| 165 |
Code code = compiler.compileExpression(source); |
| 166 |
assertEquals("WHILE((\"n\" < 10), BLOCK(LET('n', (\"n\" + 1)), print(\"n\")))", code.toString());
|
| 167 |
} |
| 168 |
|
| 169 |
public void testCast() { |
| 170 |
String source = "CAST(V1 AS INTEGER)"; |
| 171 |
|
| 172 |
Compiler compiler = createCompiler();
|
| 173 |
|
| 174 |
Code code = compiler.compileExpression(source); |
| 175 |
assertEquals("CAST(\"V1\", 'INTEGER')", code.toString());
|
| 176 |
} |
| 177 |
|
| 178 |
public void testCast2() { |
| 179 |
String source = "CAST V1 AS INTEGER"; |
| 180 |
|
| 181 |
Compiler compiler = createCompiler();
|
| 182 |
|
| 183 |
Code code = compiler.compileExpression(source); |
| 184 |
assertEquals("CAST(\"V1\", 'INTEGER')", code.toString());
|
| 185 |
} |
| 186 |
|
| 187 |
public void testMatch() { |
| 188 |
Compiler compiler = createCompiler();
|
| 189 |
String source;
|
| 190 |
Code code; |
| 191 |
|
| 192 |
source = "MATCH 'Hola', '[Hh]ola'";
|
| 193 |
code = compiler.compileExpression(source); |
| 194 |
assertEquals("~('Hola', '[Hh]ola')", code.toString());
|
| 195 |
|
| 196 |
source = "MATCH 'Hola' '[Hh]ola'";
|
| 197 |
code = compiler.compileExpression(source); |
| 198 |
assertEquals("~('Hola', '[Hh]ola')", code.toString());
|
| 199 |
|
| 200 |
source = "MATCH('Hola', '[Hh]ola')";
|
| 201 |
code = compiler.compileExpression(source); |
| 202 |
assertEquals("~('Hola', '[Hh]ola')", code.toString());
|
| 203 |
} |
| 204 |
|
| 205 |
public void testForEach() { |
| 206 |
String source = "FOR n in RANGE(10) print(n)"; |
| 207 |
|
| 208 |
Compiler compiler = createCompiler();
|
| 209 |
|
| 210 |
Code code = compiler.compileExpression(source); |
| 211 |
assertEquals("FOREACH('n', RANGE(10), print(\"n\"))", code.toString());
|
| 212 |
} |
| 213 |
|
| 214 |
// public void testFor() {
|
| 215 |
// String source = "FOR LET n = 0 ; n < 10 ; LET n = n + 1 print(n)";
|
| 216 |
//
|
| 217 |
// Compiler compiler = createCompiler();
|
| 218 |
//
|
| 219 |
// Code code = compiler.compileExpression(source);
|
| 220 |
// assertEquals("FOR(LET('n', 0), <(\"n\", 10), LET('n', +(\"n\", 1)), print(\"n\"))", code.toString());
|
| 221 |
// }
|
| 222 |
|
| 223 |
public void testCase() { |
| 224 |
String source = "CASE WHEN software LIKE '%gvSIG%' THEN 'gvSIG' ELSE 'Other' END"; // ;) |
| 225 |
|
| 226 |
Compiler compiler = createCompiler();
|
| 227 |
|
| 228 |
Code code = compiler.compileExpression(source); |
| 229 |
assertEquals("CASE((\"software\" LIKE '%gvSIG%'), 'gvSIG', 'Other')", code.toString());
|
| 230 |
} |
| 231 |
|
| 232 |
public void testCase1() { |
| 233 |
String source = "CASE WHEN software LIKE '%gvSIG%' THEN 'gvSIG' ELSE 'Other'"; // ;) |
| 234 |
|
| 235 |
Compiler compiler = createCompiler();
|
| 236 |
|
| 237 |
Code code = compiler.compileExpression(source); |
| 238 |
assertEquals("CASE((\"software\" LIKE '%gvSIG%'), 'gvSIG', 'Other')", code.toString());
|
| 239 |
} |
| 240 |
|
| 241 |
public void testCase2() { |
| 242 |
String source = "CASE WHEN Field_1 >= 75 AND Field_1 <=79 THEN 100 WHEN Field_1 >=80 AND Field_1 <=84 THEN 110 END"; // ;) |
| 243 |
|
| 244 |
Compiler compiler = createCompiler();
|
| 245 |
|
| 246 |
Code code = compiler.compileExpression(source); |
| 247 |
assertEquals("CASE(((\"Field_1\" >= 75) AND (\"Field_1\" <= 79)), ((\"Field_1\" >= 80) AND (\"Field_1\" <= 84)), 100, 110)", code.toString());
|
| 248 |
} |
| 249 |
|
| 250 |
public void testCase3() { |
| 251 |
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"; // ;) |
| 252 |
|
| 253 |
Compiler compiler = createCompiler();
|
| 254 |
|
| 255 |
Code code = compiler.compileExpression(source); |
| 256 |
assertEquals("CASE(((\"Field_1\" >= 75) AND (\"Field_1\" <= 79)), ((\"Field_1\" >= 80) AND (\"Field_1\" <= 84)), 100, 110, 120)", code.toString());
|
| 257 |
} |
| 258 |
|
| 259 |
public void testDef1() { |
| 260 |
String source = "DEF test1() print('Hola')"; |
| 261 |
|
| 262 |
Compiler compiler = createCompiler();
|
| 263 |
|
| 264 |
Code code = compiler.compileExpression(source); |
| 265 |
assertEquals("CREATE_FUNCTION('test1', print('Hola'))", code.toString());
|
| 266 |
} |
| 267 |
|
| 268 |
public void testDef2() { |
| 269 |
String source = "DEF test1(nombre) print('Hola '+nombre)"; |
| 270 |
|
| 271 |
Compiler compiler = createCompiler();
|
| 272 |
|
| 273 |
Code code = compiler.compileExpression(source); |
| 274 |
assertEquals("CREATE_FUNCTION('test1', LIST('nombre'), print(('Hola ' + \"nombre\")))", code.toString());
|
| 275 |
} |
| 276 |
|
| 277 |
public void testDef3() { |
| 278 |
String source = "DEF test1(nombre) BEGIN RETURN 'Hola '||nombre END"; |
| 279 |
|
| 280 |
Compiler compiler = createCompiler();
|
| 281 |
|
| 282 |
Code code = compiler.compileExpression(source); |
| 283 |
assertEquals("CREATE_FUNCTION('test1', LIST('nombre'), BLOCK(RETURN(('Hola ' || \"nombre\"))))", code.toString());
|
| 284 |
} |
| 285 |
|
| 286 |
public void testUseCase1() { |
| 287 |
String source = "begin set x = ''; for n in list('hola','adios','fin'): let x = x || ' ' || n end"; |
| 288 |
|
| 289 |
Compiler compiler = createCompiler();
|
| 290 |
|
| 291 |
Code code = compiler.compileExpression(source); |
| 292 |
assertEquals("BLOCK(LET('x', ''), FOREACH('n', list('hola', 'adios', 'fin'), LET('x', ((\"x\" || ' ') || \"n\"))))", code.toString());
|
| 293 |
} |
| 294 |
|
| 295 |
public void testUseCase2() { |
| 296 |
String source = "begin set s = ''; set x = LIST('hola','adios','fin'); FOR n in RANGE(3): set s = s || ' ' || x[n] end"; |
| 297 |
|
| 298 |
Compiler compiler = createCompiler();
|
| 299 |
|
| 300 |
Code code = compiler.compileExpression(source); |
| 301 |
assertEquals("BLOCK(LET('s', ''), LET('x', LIST('hola', 'adios', 'fin')), FOREACH('n', RANGE(3), LET('s', ((\"s\" || ' ') || GETITEM(\"x\", \"n\")))))", code.toString());
|
| 302 |
} |
| 303 |
|
| 304 |
|
| 305 |
} |