Add user dictionary test case

Closes #59

README.md

@@ -88,7 +88,7 @@ The following are settings that can be set for a `kuromoji_tokenizer` tokenizer
 |:--------------------|:--------------------------------------------------------------------------------------------------------------------------|:------------------|
 | mode                | Tokenization mode: this determines how the tokenizer handles compound and unknown words. `normal` and `search`, `extended`| `search`          |
 | discard_punctuation | `true` if punctuation tokens should be dropped from the output.                                                           | `true`            |
-| user_dict           | set User Dictionary file                                                                                                  |                   |
+| user_dictionary     | set User Dictionary file                                                                                                  |                   |
 
 ### Tokenization mode
 

pom.xml

@@ -87,6 +87,7 @@
                 <directory>src/test/java</directory>
                 <includes>
                     <include>**/*.json</include>
+                    <include>**/*.txt</include>
                 </includes>
             </testResource>
             <testResource>

src/test/java/org/elasticsearch/index/analysis/KuromojiAnalysisTests.java

@@ -245,4 +245,24 @@ public class KuromojiAnalysisTests extends ElasticsearchTestCase {
         return buffer.toString();
     }
 
+    @Test
+    public void testKuromojiUserDict() throws IOException {
+        AnalysisService analysisService = createAnalysisService();
+        TokenizerFactory tokenizerFactory = analysisService.tokenizer("kuromoji_user_dict");
+        String source = "私は制限スピードを超える。";
+        String[] expected = new String[]{"私", "は", "制限スピード", "を", "超える"};
+
+        Tokenizer tokenizer = tokenizerFactory.create();
+        tokenizer.setReader(new StringReader(source));
+        assertSimpleTSOutput(tokenizer, expected);
+    }
+
+    // fix #59
+    @Test
+    public void testKuromojiEmptyUserDict() {
+        AnalysisService analysisService = createAnalysisService();
+        TokenizerFactory tokenizerFactory = analysisService.tokenizer("kuromoji_empty_user_dict");
+        assertThat(tokenizerFactory, instanceOf(KuromojiTokenizerFactory.class));
+    }
+
 }

src/test/java/org/elasticsearch/index/analysis/kuromoji_analysis.json

@@ -39,9 +39,16 @@
 
             "tokenizer" : {
                 "kuromoji" : {
-                   "type":"kuromoji_tokenizer"
+                    "type":"kuromoji_tokenizer"
+                },
+                "kuromoji_empty_user_dict" : {
+                    "type":"kuromoji_tokenizer",
+                    "user_dictionary":"org/elasticsearch/index/analysis/empty_user_dict.txt"
+                },
+                "kuromoji_user_dict" : {
+                    "type":"kuromoji_tokenizer",
+                    "user_dictionary":"org/elasticsearch/index/analysis/user_dict.txt"
                 }
-            
             },
             "analyzer" : {
                 "my_analyzer" : {

src/test/java/org/elasticsearch/index/analysis/user_dict.txt

@@ -0,0 +1 @@
+制限スピード,制限スピード,セイゲンスピード,テスト名詞