@Test
public void testNulls() {
Expression e1 = ExpressionFactory.exp("x = null");
Expression e2 = e1.params(Collections.EMPTY_MAP, true);
assertNotNull(e2);
TstTraversalHandler.compareExps(e1, e2);
}
/** Tests how parameter substitution algorithm works on an expression with no parameters. */
@Test
public void testCopy1() throws Exception {
Expression e1 = ExpressionFactory.matchExp("k1", "v1");
e1 = e1.orExp(ExpressionFactory.matchExp("k2", "v2"));
e1 = e1.orExp(ExpressionFactory.matchExp("k3", "v3"));
Expression e2 = e1.params(new HashMap());
TstTraversalHandler.compareExps(e1, e2);
}
/** Tests how parameter substitution algorithm works on an expression with no parameters. */
@Test
public void testCopy2() throws Exception {
Expression andExp = ExpressionFactory.matchExp("k1", "v1");
andExp = andExp.andExp(ExpressionFactory.matchExp("k2", "v2"));
andExp = andExp.andExp(ExpressionFactory.matchExp("k3", "v3"));
List exprs = new ArrayList();
exprs.add(andExp);
exprs.add(ExpressionFactory.matchExp("k1", "v1"));
Expression e1 = ExpressionFactory.joinExp(Expression.OR, exprs);
Expression e2 = e1.params(new HashMap());
TstTraversalHandler.compareExps(e1, e2);
}
/** Tests how parameter substitution algorithm works on an expression with no parameters. */
@Test
public void testInParameter() throws Exception {
Expression inExp = ExpressionFactory.exp("k1 in $test");
Expression e1 = ExpressionFactory.exp("k1 in ('a', 'b')");
Expression transformed =
inExp.params(Collections.singletonMap("test", new Object[] {"a", "b"}));
TstTraversalHandler.compareExps(e1, transformed);
// just in case manually check params
DataObject o1 = new CayenneDataObject();
o1.writePropertyDirectly("k1", "a");
assertTrue(transformed.match(o1));
DataObject o2 = new CayenneDataObject();
o2.writePropertyDirectly("k1", "x");
assertFalse(transformed.match(o2));
}
@Test
public void testInParameter_AsValues() throws Exception {
Expression inExp = ExpressionFactory.exp("k1 in ($ap, $bp)");
String e1String = "k1 in (\"a\", \"b\")";
Expression e1 = ExpressionFactory.exp(e1String);
Map<String, Object> params = new HashMap<String, Object>();
params.put("ap", "a");
params.put("bp", "b");
Expression transformed = inExp.params(params);
TstTraversalHandler.compareExps(e1, transformed);
assertEquals(e1String, transformed.toString());
// just in case manually check params
DataObject o1 = new CayenneDataObject();
o1.writePropertyDirectly("k1", "a");
assertTrue(transformed.match(o1));
DataObject o2 = new CayenneDataObject();
o2.writePropertyDirectly("k1", "x");
assertFalse(transformed.match(o2));
}
@Test
public void testCopy3_FromString() {
Expression e1 = ExpressionFactory.exp("(k1 / 2) = (k2 * 2)");
Expression e2 = e1.params(Collections.EMPTY_MAP);
TstTraversalHandler.compareExps(e1, e2);
}
/** Tests how parameter substitution algorithm works on an expression with no parameters. */
@Test
public void testCopy2_FromString() {
Expression e1 = ExpressionFactory.exp("(k1 = 'v1' and k2 = 'v2' and k3 = 'v3') or (k1 = 'v1')");
Expression e2 = e1.params(Collections.EMPTY_MAP);
TstTraversalHandler.compareExps(e1, e2);
}
