Add test

Author: AlexSorb

app/src/main/java/hexlet/code/Differ.java

@@ -11,7 +11,7 @@
 
 
 public class Differ {
-
+    public final static String DEFAULT_FORMAT = "stylish";
 
     public static String generate(String filePath1, String filePath2, String format) throws IOException {
         var normalizedPath1 = FileManager.normaolizePath(Path.of(filePath1));
@@ -28,6 +28,10 @@ public static String generate(String filePath1, String filePath2, String format)
 
         var differenceMap = TreeBuilder.getTreeDifference(dataFirst, dataSecond);
 
-        return Formatter.getOrder(format, differenceMap);
+        return Formatter.generateFormatString(format, differenceMap);
+    }
+
+    public static String generate(String filePath1, String filePath2) throws IOException {
+        return Differ.generate(filePath1, filePath2, DEFAULT_FORMAT);
     }
 }

app/src/main/java/hexlet/code/Formatter.java

@@ -10,7 +10,7 @@
 
 public class Formatter {
 
-    public static String getOrder(String format, Map<String, List<Object>> differenceMap)
+    public static String generateFormatString(String format, Map<String, List<Object>> differenceMap)
             throws IllegalArgumentException, JsonProcessingException {
         var normalizeFormat = format.trim().toLowerCase();
         var result = "";

app/src/test/java/source/TestDiffer.java

@@ -108,6 +108,15 @@ public void testWrongFormat() {
         assertEquals("Не найден формат", thrownSecondArg.getMessage());
     }
 
+    @Test
+    public void testGenerateWithOutFormat() throws IOException {
+        var differenceJson = Differ.generate(firstTestJsonFilePath, secondTestJsonFilePath);
+        assertEquals(differsStylish, differenceJson);
+
+        String differenceYaml = Differ.generate(firstTestYamlFilePath, secondTestYamlFilePath);
+        assertEquals(differenceYaml, differsStylish);
+    }
+
 
     public static String readReroptAsString(Path path) throws IOException {
         var normalizePath = path.normalize().toAbsolutePath();