Merge pull request #818 from takahi-i/hotfix-reference-link

Hotfix reference link
redpen-cc · Dec 14, 2017 · e6dedf2 · e6dedf2
2 parents e25d95b + 8b11d80
commit e6dedf2
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diff --git a/redpen-core/src/main/java/cc/redpen/parser/markdown/ToFileContentSerializer.java b/redpen-core/src/main/java/cc/redpen/parser/markdown/ToFileContentSerializer.java
@@ -408,6 +408,7 @@ public void visit(RefLinkNode refLinkNode) {
         String url = getRefLinkUrl(refLinkNode.referenceKey, linkName);
         // FIXME how to handle url, if linkName include period character?
         // TODO temporary implementation
+        if (candidateSentences.size() == 0) { return; }
         CandidateSentence lastCandidateSentence =
                 candidateSentences.get(candidateSentences.size() - 1);
         if (StringUtils.isNotEmpty(url)) {

diff --git a/redpen-core/src/test/java/cc/redpen/MarkdownParserTest.java b/redpen-core/src/test/java/cc/redpen/MarkdownParserTest.java
@@ -856,6 +856,20 @@ void testThreeSuccuessiveImageNestedLinkWithJaConf() throws Exception {
         }
     }
 
+    @Test
+    void testReferenceLink() throws Exception {
+        String sampleText =
+                "[![foo](foo)][bar]\n\n" +
+                        "[bar]: bar\n";
+        Configuration conf = Configuration.builder("ja").build();
+        try {
+            createFileContent(sampleText, conf);
+        } catch (Exception e) {
+            fail("Exception is not expected.");
+        }
+    }
+
+
     @Test
     void testNotExtractNoLabelImage() throws Exception {
         String sampleText = "![](https://aimless.jp/blog/images/2016-09-07-001.png)\n";