Add deleteresponder

onlyskin · onlyskin · commit 5aa6eda664dd · 2017-12-14T16:30:14.000+02:00
diff --git a/src/main/java/httpserver/responder/DeleteResponder.java b/src/main/java/httpserver/responder/DeleteResponder.java
@@ -0,0 +1,42 @@
+package httpserver.responder;
+
+import httpserver.AppConfig;
+import httpserver.Request;
+import httpserver.file.FileOperator;
+import httpserver.file.PathExaminer;
+import httpserver.response.MethodNotAllowedResponse;
+import httpserver.response.NotFoundResponse;
+import httpserver.response.OkResponse;
+import httpserver.response.Response;
+
+import java.io.IOException;
+import java.nio.file.Path;
+
+public class DeleteResponder implements Responder {
+    private final FileOperator fileOperator;
+    private final PathExaminer pathExaminer;
+
+    public DeleteResponder(PathExaminer pathExaminer, FileOperator fileOperator) {
+        this.pathExaminer = pathExaminer;
+        this.fileOperator = fileOperator;
+    }
+
+    @Override
+    public Response respond(AppConfig appConfig, Request request) throws IOException {
+        if (allowed(request.getPathString())) {
+            Path fullPath = pathExaminer.getFullPath(appConfig.getRoot(), request.getPathString());
+            if (pathExaminer.pathExists(fullPath)) {
+                fileOperator.deleteFileAtPath(fullPath);
+                return new OkResponse("".getBytes());
+            } else {
+                return new NotFoundResponse();
+            }
+        } else {
+            return new MethodNotAllowedResponse();
+        }
+    }
+
+    private boolean allowed(String pathString) {
+        return pathString.equals("/form");
+    }
+}
diff --git a/src/test/java/httpserver/responder/DeleteResponderTest.java b/src/test/java/httpserver/responder/DeleteResponderTest.java
@@ -0,0 +1,68 @@
+package httpserver.responder;
+
+import httpserver.AppConfig;
+import httpserver.Request;
+import httpserver.file.FileOperator;
+import httpserver.file.PathExaminer;
+import httpserver.header.Header;
+import httpserver.response.Response;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.nio.file.Path;
+
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.*;
+
+public class DeleteResponderTest {
+    private final Path rootMock;
+    private final AppConfig appConfigMock;
+    private final Path fullPathMock;
+    private PathExaminer pathExaminerMock;
+    private FileOperator fileOperatorMock;
+    private DeleteResponder deleteResponder;
+
+    public DeleteResponderTest() {
+        pathExaminerMock = mock(PathExaminer.class);
+        fileOperatorMock = mock(FileOperator.class);
+        deleteResponder = new DeleteResponder(pathExaminerMock, fileOperatorMock);
+        rootMock = mock(Path.class);
+        appConfigMock = mock(AppConfig.class);
+        when(appConfigMock.getRoot()).thenReturn(rootMock);
+        fullPathMock = mock(Path.class);
+    }
+
+    @Test
+    public void returns200DeletesFileWhenExists() throws Exception {
+        String pathString = "/form";
+        when(pathExaminerMock.pathExists(any())).thenReturn(true);
+        when(pathExaminerMock.getFullPath(rootMock, pathString)).thenReturn(fullPathMock);
+        Request request = new Request("DELETE", pathString, new Header[0], "", "data=example");
+
+        Response response = deleteResponder.respond(appConfigMock, request);
+
+        verify(fileOperatorMock).deleteFileAtPath(fullPathMock);
+        assertEquals(200, response.getStatusCode());
+    }
+
+    @Test
+    public void returns404WhenAllowedNotExists() throws Exception {
+        String pathString = "/form";
+        when(pathExaminerMock.pathExists(any())).thenReturn(false);
+        when(pathExaminerMock.getFullPath(rootMock, pathString)).thenReturn(fullPathMock);
+        Request request = new Request("DELETE", pathString, new Header[0], "", "data=example");
+
+        Response response = deleteResponder.respond(appConfigMock, request);
+
+        assertEquals(404, response.getStatusCode());
+    }
+
+    @Test
+    public void returns405WhenNotAllowed() throws Exception {
+        Request request = new Request("DELETE", "/not_allowed", new Header[0], "");
+
+        Response response = deleteResponder.respond(appConfigMock, request);
+
+        assertEquals(405, response.getStatusCode());
+    }
+}
