fix(rule): fix to work "allow" option

close #1

Author: azu

src/textlint-rule-alex.js

@@ -35,7 +35,7 @@ export default function textlintRuleAlex(context, options = {}) {
                 return;
             }
             const text = getSource(node);
-            const messages = alex.text(text, allowWords).messages;
+            const messages = alex(text, allowWords).messages;
             messages.forEach((result) => {
                 reportError(node, result);
             });

test/textlint-rule-alex-test.js

@@ -8,7 +8,13 @@ var tester = new TextLintTester();
 tester.run("alex", rule, {
     valid: [
         "This is a pen",
-        "男女"
+        "男女",
+        {
+            text: "The boogeyman",
+            options: {
+                allow: ["boogeyman-boogeywoman"]
+            }
+        }
     ],
     invalid: [
         {