support json schema generation for @JsonUnwrapped (#20)

src/test/java/com/fasterxml/jackson/module/jsonSchema/failing/TestUnwrapping.java

@@ -1,49 +1,90 @@
 package com.fasterxml.jackson.module.jsonSchema.failing;
 
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
 import com.fasterxml.jackson.annotation.JsonUnwrapped;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.ObjectWriter;
 import com.fasterxml.jackson.module.jsonSchema.JsonSchema;
 import com.fasterxml.jackson.module.jsonSchema.JsonSchemaGenerator;
 import com.fasterxml.jackson.module.jsonSchema.SchemaTestBase;
 
 public class TestUnwrapping extends SchemaTestBase
 {
-    static class UnwrappingRoot
-    {
+    static class UnwrappingRoot {
+        @JsonUnwrapped(prefix="ignored.")
         public int age;
 
-        @JsonUnwrapped
-        public Name name;
+        private Name _name;
+
+        @JsonUnwrapped(prefix="name.")
+        public Name getName() { 
+            return _name;
+        }
     }
 
     static class Name {
-        @JsonUnwrapped(prefix="name.")
+        @JsonUnwrapped(prefix="ignoreNonObject.") // is ignored in serialization
         public String first, last;
+        @JsonUnwrapped(prefix="deeper.")
+        public More more;
+    }
+
+    static class More {
+    	public Double deepest;
     }
 
     /*
     /**********************************************************
     /* Unit tests, success
     /**********************************************************
      */
-    
+
     private final ObjectMapper MAPPER = objectMapper();
+    private final ObjectWriter WRITER = MAPPER.writerWithDefaultPrettyPrinter();
 
     public void testUnwrapping()  throws Exception
     {
         JsonSchemaGenerator generator = new JsonSchemaGenerator(MAPPER);
         JsonSchema schema = generator.generateSchema(UnwrappingRoot.class);
+        //System.out.println(WRITER.writeValueAsString(schema));
 
-        String json = MAPPER.writeValueAsString(schema).replace('"', '\'');
+        Map<String, JsonSchema> properties = schema.asObjectSchema().getProperties();
+        assertEquals(4, properties.keySet().size());
+        assertNotNull(properties.get("age").asIntegerSchema());
+        assertNotNull(properties.get("name.first").asStringSchema());
+        assertNotNull(properties.get("name.last").asStringSchema());
+        assertNotNull(properties.get("name.deeper.deepest").asNumberSchema());
 
-//System.err.println("JSON -> "+MAPPER.writerWithDefaultPrettyPrinter().writeValueAsString(schema));
-        String EXP = "{'type':'object','properties':{"
-        +"'name.last':{'type':'string'},'name.first':{'type':'string'},"
-        +"'age':{'type':'number','type':'integer'}}}";
 
-System.err.println("EXP: "+EXP);
-System.err.println("ACT: "+json);
-
-        assertEquals(EXP, json);
+        UnwrappingRoot example = makeExample();
+        String json = WRITER.writeValueAsString(example);
+        //System.out.println(json); //helpful debugging output
+        Set<String> expectedKeySet = extractKeysFromJson(json);
+        //System.out.println(expectedKeySet);
+        assertEquals(expectedKeySet, properties.keySet());
     }
+
+	private HashSet<String> extractKeysFromJson(String json) {
+		String[] keys = json
+				.replaceAll("[{}]","")      //remove begin/end of json object
+				.replaceAll("\"","")        //remove quotes
+				.replaceAll(":[^,]*,?", "") //get rid of value part 
+        		.trim().split("\\s+");      //split by whitespace
+        return new HashSet<String>(Arrays.asList(keys));
+	}
+
+	private UnwrappingRoot makeExample() {
+		UnwrappingRoot value = new UnwrappingRoot();
+        value.age = 33;
+        value._name = new Name();
+        value._name.first = "firstName";
+        value._name.last = "lastName";
+        value._name.more = new More();
+        value._name.more.deepest = 3.14;
+		return value;
+	}
 }