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* to you under the Apache License, Version 2.0 (the
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*
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package org.apache.cayenne.exp;
import static org.junit.Assert.assertEquals;
import org.apache.cayenne.exp.parser.ASTLike;
import org.apache.cayenne.exp.parser.ASTObjPath;
import org.apache.cayenne.exp.parser.PatternMatchNode;
import org.junit.Test;
public class LikeExpressionHelperTest {
@Test
public void testEscape_NoEscapeChars() {
PatternMatchNode node = new ASTLike(new ASTObjPath("x"), "abc");
LikeExpressionHelper.escape(node);
assertEquals("abc", node.getOperand(1));
assertEquals(0, node.getEscapeChar());
}
@Test
public void testEscape_OneChar() {
PatternMatchNode node = new ASTLike(new ASTObjPath("x"), "ab_c");
LikeExpressionHelper.escape(node);
assertEquals("ab!_c", node.getOperand(1));
assertEquals('!', node.getEscapeChar());
}
@Test
public void testEscape_TwoChars() {
PatternMatchNode node = new ASTLike(new ASTObjPath("x"), "ab_c_");
LikeExpressionHelper.escape(node);
assertEquals("ab!_c!_", node.getOperand(1));
assertEquals('!', node.getEscapeChar());
}
@Test
public void testEscape_TwoChars_Mix() {
PatternMatchNode node = new ASTLike(new ASTObjPath("x"), "ab%c_");
LikeExpressionHelper.escape(node);
assertEquals("ab!%c!_", node.getOperand(1));
assertEquals('!', node.getEscapeChar());
}
@Test
public void testEscape_AltEscapeChar1() {
PatternMatchNode node = new ASTLike(new ASTObjPath("x"), "a!%c");
LikeExpressionHelper.escape(node);
assertEquals("a!#%c", node.getOperand(1));
assertEquals('#', node.getEscapeChar());
}
@Test
public void testEscape_AltEscapeChar2() {
PatternMatchNode node = new ASTLike(new ASTObjPath("x"), "a!%c#_");
LikeExpressionHelper.escape(node);
assertEquals("a!$%c#$_", node.getOperand(1));
assertEquals('$', node.getEscapeChar());
}
}