Fixed default rule to not override values

Author: ditschedev

src/main/java/dev/ditsche/validator/rule/ruleset/DefaultRule.java

@@ -14,9 +14,19 @@ public class DefaultRule implements Rule {
 
     @Override
     public RuleResult passes(Object value) {
+        if(value == null)
+            return RuleResult.resolve(defaultValue);
+
         if(!(defaultValue.getClass().isAssignableFrom(value.getClass())))
             return RuleResult.reject();
-        return RuleResult.resolve(defaultValue);
+
+        if(value instanceof String && ((String) value).trim().isEmpty())
+            return RuleResult.resolve(defaultValue);
+
+        if(value instanceof Number && ((Number) value).longValue() == 0)
+            return RuleResult.resolve(defaultValue);
+
+        return RuleResult.resolve();
     }
 
     @Override

src/test/java/dev/ditsche/validator/ValidatorTest.java

@@ -27,7 +27,7 @@ public void shouldValidateExample() {
                 string("firstName").defaultValue("").trim().alphanum().max(80),
                 number("count").max(5),
                 object("nestedEntity").child(
-                        string("name").required().trim().min(4)
+                        string("name").required().trim().min(1)
                 )
         );