[ru] add test for Russian Dash java rule

languagetool-language-modules/ru/src/test/java/org/languagetool/rules/ru/RussianDashRuleTest.java

@@ -0,0 +1,91 @@
+/* LanguageTool, a natural language style checker
+ * Copyright (C) 2005 Daniel Naber (http://www.danielnaber.de)
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
+ * USA
+ */
+package org.languagetool.rules.ru;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.languagetool.JLanguageTool;
+import org.languagetool.Language;
+import org.languagetool.language.Russian;
+import org.languagetool.rules.Rule;
+import org.languagetool.rules.RuleMatch;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+public class RussianDashRuleTest {
+
+  JLanguageTool langTool;
+  Rule rule;
+
+  @Before
+  public void setUp() throws Exception {
+    Language lang = new Russian();
+    langTool = new JLanguageTool(lang);
+    rule = new RussianDashRule();
+  }
+
+  @Test
+  public void testRule() throws IOException {
+    // correct sentences:
+    check(0, "Он вышел из-за забора.");
+    check(0, "Ростов-на-Дону.");
+    // incorrect sentences:
+    check(1, "из—за", new String[]{"из-за"});
+    check(1, "Ростов — на — Дону", new String[]{"Ростов-на-Дону"});
+  }
+
+  private void check(int expectedErrors, String text) throws IOException {
+    check(expectedErrors, text, null);
+  }
+
+  /**
+   * Check the text against the compound rule.
+   * @param expectedErrors the number of expected errors
+   * @param text the text to check
+   * @param expSuggestions the expected suggestions
+   */
+  private void check(int expectedErrors, String text, String[] expSuggestions) throws IOException {
+    assertNotNull("Please initialize langTool!", langTool);
+    assertNotNull("Please initialize 'rule'!", rule);
+    RuleMatch[] ruleMatches = rule.match(langTool.getAnalyzedSentence(text));
+    assertEquals("Expected " + expectedErrors + "errors, but got: " + Arrays.toString(ruleMatches),
+        expectedErrors, ruleMatches.length);
+    if (expSuggestions != null && expectedErrors != 1) {
+      throw new RuntimeException("Sorry, test case can only check suggestion if there's one rule match");
+    }
+    if (expSuggestions != null) {
+      RuleMatch ruleMatch = ruleMatches[0];
+      String errorMessage =
+          String.format("Got these suggestions: %s, expected %s ", ruleMatch.getSuggestedReplacements(),
+              Arrays.toString(expSuggestions));
+      assertEquals(errorMessage, expSuggestions.length, ruleMatch.getSuggestedReplacements().size());
+      int i = 0;
+      for (Object element : ruleMatch.getSuggestedReplacements()) {
+        String suggestion = (String) element;
+        assertEquals(expSuggestions[i], suggestion);
+        i++;
+      }
+    }
+  }
+
+}