Merge pull request #791 from ymohdriz/branch_v2.0.1_Fix790

Fix for issue 790

Author: gracekarina

modules/swagger-parser-v2-converter/src/main/java/io/swagger/v3/parser/converter/SwaggerConverter.java

@@ -408,14 +408,9 @@ private List<Server> convert(List<Scheme> schemes, String host, String basePath)
                 servers.add(server);
             }
         } else {
-            if (!"/".equals(baseUrl)) {
-                Server server = new Server();
-                server.setUrl(baseUrl);
-
-                servers.add(server);
-            } else {
-                return null;
-            }
+            Server server = new Server();
+            server.setUrl(baseUrl);
+            servers.add(server);
         }
 
         return servers;

modules/swagger-parser-v2-converter/src/test/java/io/swagger/parser/test/V2ConverterTest.java

@@ -433,10 +433,10 @@ public void testIssue30() throws Exception {
         assertNotNull(oas);
     }
 
-    @Test(description = "No Servers - without host, basePath, scheme")
+    @Test(description = "Expect a default server object when a swagger without host, basePath and scheme is converted to openAPI")
     public void testIssue31() throws Exception {
         OpenAPI oas = getConvertedOpenAPIFromJsonFile(ISSUE_31_JSON);
-        assertNull(oas.getServers());
+        assertNotNull(oas.getServers());
     }
 
     @Test(description = "Convert schema, property and array examples")