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- /*
- * Copyright 2000-2016 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
- package com.vaadin.tests.design;
-
- import java.io.ByteArrayInputStream;
- import java.io.ByteArrayOutputStream;
- import java.io.FileNotFoundException;
- import java.io.IOException;
- import java.util.Iterator;
-
- import org.junit.Assert;
- import org.junit.Ignore;
- import org.junit.Test;
-
- import com.vaadin.ui.Button;
- import com.vaadin.ui.Component;
- import com.vaadin.ui.HasComponents;
- import com.vaadin.ui.HorizontalLayout;
- import com.vaadin.ui.Panel;
- import com.vaadin.ui.TextField;
- import com.vaadin.ui.VerticalLayout;
- import com.vaadin.ui.declarative.Design;
- import com.vaadin.ui.declarative.DesignContext;
- import com.vaadin.ui.declarative.DesignException;
-
- public class DesignTest {
-
- @Test
- public void readStream() throws FileNotFoundException {
- Component root = Design.read(getClass()
- .getResourceAsStream("verticallayout-two-children.html"));
- VerticalLayout rootLayout = (VerticalLayout) root;
- Assert.assertEquals(VerticalLayout.class, root.getClass());
-
- Assert.assertEquals(2, rootLayout.getComponentCount());
- Assert.assertEquals(TextField.class,
- rootLayout.getComponent(0).getClass());
- Assert.assertEquals(Button.class,
- rootLayout.getComponent(1).getClass());
- }
-
- @Test(expected = DesignException.class)
- @Ignore("Feature needs to be fixed")
- public void readWithIncorrectRoot() throws FileNotFoundException {
- Design.read(
- getClass().getResourceAsStream("verticallayout-one-child.html"),
- new Panel());
- }
-
- public static class MyVerticalLayout extends VerticalLayout {
-
- }
-
- @Test
- public void readWithSubClassRoot() throws FileNotFoundException {
- Design.read(
- getClass().getResourceAsStream("verticallayout-one-child.html"),
- new MyVerticalLayout());
- }
-
- @Test
- public void writeComponentToStream() throws IOException {
- HorizontalLayout root = new HorizontalLayout(new Button("OK"),
- new Button("Cancel"));
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- Design.write(root, baos);
- Component newRoot = Design
- .read(new ByteArrayInputStream(baos.toByteArray()));
-
- assertHierarchyEquals(root, newRoot);
- }
-
- @Test
- public void writeDesignContextToStream() throws IOException {
- DesignContext dc = Design.read(getClass()
- .getResourceAsStream("verticallayout-two-children.html"), null);
-
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- Design.write(dc, baos);
- Component newRoot = Design
- .read(new ByteArrayInputStream(baos.toByteArray()));
-
- assertHierarchyEquals(dc.getRootComponent(), newRoot);
- }
-
- @Test(expected = DesignException.class)
- public void testDuplicateIds() throws FileNotFoundException {
- Design.read(getClass().getResourceAsStream("duplicate-ids.html"));
- }
-
- @Test(expected = DesignException.class)
- public void testDuplicateLocalIds() throws FileNotFoundException {
- Design.read(getClass().getResourceAsStream("duplicate-local-ids.html"));
- }
-
- private void assertHierarchyEquals(Component expected, Component actual) {
- if (expected.getClass() != actual.getClass()) {
- throw new AssertionError(
- "Component classes do not match. Expected: "
- + expected.getClass().getName() + ", was: "
- + actual.getClass().getName());
- }
-
- if (expected instanceof HasComponents) {
- HasComponents expectedHC = (HasComponents) expected;
- HasComponents actualHC = (HasComponents) actual;
- Iterator<Component> eI = expectedHC.iterator();
- Iterator<Component> aI = actualHC.iterator();
-
- while (eI.hasNext()) {
- assertHierarchyEquals(eI.next(), aI.next());
- }
- }
- }
- }
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