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Try not to lose the weak reference of UI during the test #4431

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merged 1 commit into from
Jul 23, 2018
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Try not to lose the weak reference of UI during the test #4431

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8 changes: 4 additions & 4 deletions flow-server/src/test/java/com/vaadin/tests/server/component/FlowClassesSerializableTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

import java.io.OutputStream;

import org.junit.Assert;
import org.junit.Test;

import com.vaadin.flow.component.Component;
Expand Down Expand Up @@ -45,19 +46,18 @@ public void htmlComponentAndHtmlContainer() throws Throwable {
*/
@Test
public void streamResource() throws Throwable {
UI.setCurrent(new UI());
UI ui = new UI();
UI.setCurrent(ui);
try {
Element element = new Element("dummy-element");
StreamReceiver streamReceiver = new StreamReceiver(
element.getNode(), "upload", new MyStreamVariable());
Assert.assertEquals(ui, UI.getCurrent());
element.setAttribute("target", streamReceiver);
serializeAndDeserialize(element);
assertTrue("Basic smoke test with ",
element.getAttribute("target").length() > 10);

} catch (Throwable e) {
e.printStackTrace();
throw e;
} finally {
UI.setCurrent(null);
}
Expand Down