Make test to reproduce issue #102

Signed-off-by: Francis Galiegue <[email protected]>

Author: fge

src/test/java/com/github/fge/jsonschema/processors/validation/ValidationProcessorTest.java

@@ -24,6 +24,7 @@
 import com.fasterxml.jackson.databind.node.JsonNodeFactory;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.github.fge.jackson.JacksonUtils;
+import com.github.fge.jackson.JsonLoader;
 import com.github.fge.jackson.NodeType;
 import com.github.fge.jsonschema.cfg.ValidationConfiguration;
 import com.github.fge.jsonschema.core.exceptions.ProcessingException;
@@ -39,15 +40,18 @@
 import com.github.fge.jsonschema.library.Keyword;
 import com.github.fge.jsonschema.library.Library;
 import com.github.fge.jsonschema.main.JsonSchemaFactory;
+import com.github.fge.jsonschema.main.JsonValidator;
 import com.github.fge.jsonschema.processors.data.FullData;
 import com.github.fge.msgsimple.bundle.MessageBundle;
 import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
+import java.io.IOException;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import static org.mockito.Mockito.*;
-import static org.testng.Assert.*;
+import static org.mockito.Mockito.mock;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
 
 public final class ValidationProcessorTest
 {
@@ -111,6 +115,19 @@ public void childrenAreExploredOnDemandEvenIfContainerFails()
         assertEquals(COUNT.get(), 1);
     }
 
+    @Test(timeOut = 1000)
+    public void circularReferencingDuringValidationIsDetected()
+        throws IOException, ProcessingException
+    {
+        final JsonNode schemaNode
+            = JsonLoader.fromResource("/other/issue102.json");
+        final JsonSchemaFactory factory = JsonSchemaFactory.byDefault();
+        final JsonValidator validator = factory.getValidator();
+
+        validator.validate(schemaNode, JacksonUtils.nodeFactory().nullNode());
+        assertTrue(true);
+    }
+
     public static final class K1Validator
         extends AbstractKeywordValidator
     {

src/test/resources/other/issue102.json

@@ -0,0 +1,30 @@
+{
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "definitions": {
+        "S": {
+            "allOf": [
+                {
+                    "type": "string",
+                    "enum": ["a"]
+                },
+                {
+                    "oneOf": [
+                        {
+                            "$ref": "#/definitions/S"
+                        },
+                        {
+                            "type": "string",
+                            "enum": [""]
+                        }
+                    ]
+                },
+                {
+                    "type": "string",
+                    "enum": ["b"]
+                }
+            ],
+            "additionalItems": false
+        }
+    },
+    "$ref": "#/definitions/S"
+}