added InterfaceTest

typescript-generator-core/src/test/java/cz/habarta/typescript/generator/InterfaceTest.java

@@ -0,0 +1,28 @@
+
+package cz.habarta.typescript.generator;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+
+public class InterfaceTest {
+
+    @Test
+    public void test() {
+        final Settings settings = TestUtils.settings();
+        final String output = new TypeScriptGenerator(settings).generateTypeScript(Input.from(Book.class));
+        Assert.assertTrue(output.contains("interface Book"));
+        Assert.assertTrue(output.contains("title: string;"));
+        Assert.assertTrue(output.contains("interface Author"));
+    }
+
+    static interface Book {
+        Author getAuthor();
+        String getTitle();
+    }
+
+    static interface Author {
+        String getName();
+    }
+
+}