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/*
* Copyright 2000-2018 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.ui;
import static com.vaadin.ui.ComponentTest.isDirty;
import static com.vaadin.ui.ComponentTest.syncToClient;
import static com.vaadin.ui.ComponentTest.updateDiffState;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import com.vaadin.server.ClientConnector;
import com.vaadin.server.ServerRpcManager;
import com.vaadin.server.ServerRpcManager.RpcInvocationException;
import com.vaadin.shared.ui.richtextarea.RichTextAreaServerRpc;
import com.vaadin.tests.util.MockUI;
public class RichTextAreaTest {
@Test
public void initiallyEmpty() {
RichTextArea tf = new RichTextArea();
assertTrue(tf.isEmpty());
}
@Test
public void setValueServerWhenReadOnly() {
RichTextArea tf = new RichTextArea();
tf.setReadOnly(true);
tf.setValue("foo");
assertEquals("foo", tf.getValue());
}
@Test
public void diffStateAfterClientSetValueWhenReadOnly() {
UI ui = new MockUI();
// If the client has a non-readonly text field which is set to read-only
// on the server, then any update from the client must cause both the
// readonly state and the old value to be sent
RichTextArea rta = new RichTextArea();
ui.setContent(rta);
rta.setValue("bar");
rta.setReadOnly(true);
syncToClient(rta);
// Client thinks the field says "foo" but it won't be updated because
// the field is readonly
ServerRpcManager.getRpcProxy(rta, RichTextAreaServerRpc.class)
.setText("foo");
// The real value will be sent back as long as the field is marked as
// dirty and diffstate contains what the client has
assertEquals("foo", getDiffStateString(rta, "value"));
assertTrue("Component should be marked dirty", isDirty(rta));
}
@Test
public void setValueClientNotSentBack() throws RpcInvocationException {
UI ui = new MockUI();
RichTextArea rta = new RichTextArea();
ui.setContent(rta);
rta.setValue("bar");
updateDiffState(rta);
ServerRpcManager.getRpcProxy(rta, RichTextAreaServerRpc.class)
.setText("foo");
assertEquals("foo", getDiffStateString(rta, "value"));
}
private String getDiffStateString(ClientConnector connector, String key) {
return connector.getUI().getConnectorTracker().getDiffState(connector)
.get(key).asString();
}
@Test
public void setValueClientRefusedWhenReadOnly() {
RichTextArea tf = new RichTextArea();
tf.setValue("bar");
tf.setReadOnly(true);
tf.setValue("foo", true);
assertEquals("bar", tf.getValue());
}
@Test(expected = NullPointerException.class)
public void setValue_nullValue_throwsNPE() {
RichTextArea tf = new RichTextArea();
tf.setValue(null);
}
@Test
public void emptyAfterClear() {
RichTextArea tf = new RichTextArea();
tf.setValue("foobar");
assertFalse(tf.isEmpty());
tf.clear();
assertTrue(tf.isEmpty());
}
}
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