Add (failing) unit test wrt #57.

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/module/jsonSchema/EnumGenerationTest.java

@@ -16,6 +16,7 @@ public String toString() {
             return "ToString:"+name();
         }
     }
+
     public static class LetterBean {
 
         public Enumerated letter;
@@ -28,11 +29,11 @@ public static class LetterBean {
      */
 
     private final ObjectMapper MAPPER = new ObjectMapper();
+    JsonSchemaGenerator SCHEMA_GEN = new JsonSchemaGenerator(MAPPER);
 
     public void testEnumDefault() throws Exception
     {
-        JsonSchemaGenerator generator = new JsonSchemaGenerator(MAPPER);
-        JsonSchema jsonSchema = generator.generateSchema(LetterBean.class);
+        JsonSchema jsonSchema = SCHEMA_GEN.generateSchema(LetterBean.class);
         @SuppressWarnings("unchecked")
         Map<String, Object> result = (Map<String, Object>) MAPPER.convertValue(jsonSchema,  Map.class);
         assertNotNull(result);

src/test/java/com/fasterxml/jackson/module/jsonSchema/failing/TestEnumWithJsonValue57.java

@@ -0,0 +1,52 @@
+package com.fasterxml.jackson.module.jsonSchema.failing;
+
+import java.util.*;
+
+import com.fasterxml.jackson.annotation.JsonValue;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.module.jsonSchema.JsonSchema;
+import com.fasterxml.jackson.module.jsonSchema.JsonSchemaGenerator;
+import com.fasterxml.jackson.module.jsonSchema.SchemaTestBase;
+
+public class TestEnumWithJsonValue57 extends SchemaTestBase
+{
+    // for [jsonSchema#57]
+    public enum EnumViaJsonValue {
+        A, B, C;
+
+        @JsonValue
+        public String asJson() { return name().toLowerCase(); }
+    }
+    
+    /*
+    /**********************************************************
+    /* Test methods
+    /**********************************************************
+     */
+
+    private final ObjectMapper MAPPER = new ObjectMapper();
+    JsonSchemaGenerator SCHEMA_GEN = new JsonSchemaGenerator(MAPPER);
+
+
+    // for [jsonSchema#57]
+    @SuppressWarnings("unchecked")
+    public void testEnumWithJsonValue() throws Exception
+    {
+        JsonSchema schema = SCHEMA_GEN.generateSchema(EnumViaJsonValue.class);
+
+        Map<String, Object> result = (Map<String, Object>) MAPPER.convertValue(schema,  Map.class);        
+        assertEquals("string", result.get("type"));
+
+        Object values = result.get("enum");
+        if (values == null) {
+            fail("Expected 'enum' entry, not found; schema: "+ MAPPER.writerWithDefaultPrettyPrinter().writeValueAsString(result));
+        }
+        assertNotNull(values);
+        assertTrue(values instanceof List<?>);
+        List<?> enumValues = (List<?>) values;
+        assertEquals(3, enumValues.size());
+        assertEquals("a", enumValues.get(0));
+        assertEquals("b", enumValues.get(1));
+        assertEquals("c", enumValues.get(2));
+    }
+}