Add CircleProgress sample unit test (#4194)

Author: shai-almog

maven/core-unittests/src/test/java/com/codename1/samples/CircleProgressSampleTest.java

@@ -0,0 +1,99 @@
+package com.codename1.samples;
+
+import com.codename1.junit.FormTest;
+import com.codename1.junit.UITestBase;
+import com.codename1.ui.Button;
+import com.codename1.ui.Component;
+import com.codename1.ui.Display;
+import com.codename1.ui.DisplayTest;
+import com.codename1.ui.Form;
+import com.codename1.ui.Label;
+import com.codename1.ui.Toolbar;
+import com.codename1.ui.animations.CommonTransitions;
+import com.codename1.ui.layouts.BorderLayout;
+import com.codename1.ui.layouts.BoxLayout;
+import com.codename1.util.AsyncResource;
+import com.codename1.ui.CommonProgressAnimations.CircleProgress;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class CircleProgressSampleTest extends UITestBase {
+
+    private static final int DISPLAY_WIDTH = 1080;
+    private static final int DISPLAY_HEIGHT = 1920;
+
+    @FormTest
+    void circleProgressIndicatorIsReplacedWhenDataIsReady() {
+        implementation.setDisplaySize(DISPLAY_WIDTH, DISPLAY_HEIGHT);
+
+        final AsyncResource<MyData> dataResource = new AsyncResource<MyData>();
+        final Form[] detailsHolder = new Form[1];
+        final Label[] nameHolder = new Label[1];
+        final CircleProgress[] progressHolder = new CircleProgress[1];
+
+        Form launcher = new Form("Hi World", BoxLayout.y());
+        Button showDetails = new Button("Show Details");
+        showDetails.addActionListener(evt -> showCircleProgressForm(dataResource, detailsHolder, nameHolder, progressHolder));
+        launcher.add(showDetails);
+        launcher.show();
+        launcher.revalidate();
+        flushSerialCalls();
+
+        ensureSized(showDetails, launcher);
+        implementation.tapComponent(showDetails);
+        flushSerialCalls();
+        DisplayTest.flushEdt();
+        flushSerialCalls();
+
+        assertNotNull(detailsHolder[0]);
+        assertSame(detailsHolder[0], Display.getInstance().getCurrent());
+
+        assertNotNull(progressHolder[0]);
+        assertSame(progressHolder[0], detailsHolder[0].getContentPane().getComponentAt(0));
+
+        dataResource.complete(new MyData());
+        flushSerialCalls();
+        DisplayTest.flushEdt();
+        flushSerialCalls();
+
+        assertEquals("Steve", nameHolder[0].getText());
+        assertSame(nameHolder[0], detailsHolder[0].getContentPane().getComponentAt(0));
+    }
+
+    private void showCircleProgressForm(AsyncResource<MyData> resource, Form[] detailsHolder, Label[] nameHolder, CircleProgress[] progressHolder) {
+        Form previous = Display.getInstance().getCurrent();
+        Form details = new Form("Hello", new BorderLayout(BorderLayout.CENTER_BEHAVIOR_CENTER_ABSOLUTE));
+        Toolbar toolbar = new Toolbar();
+        details.setToolbar(toolbar);
+        toolbar.addCommandToLeftBar("Back", null, evt -> previous.showBack());
+
+        Label nameLabel = new Label("placeholder");
+        nameHolder[0] = nameLabel;
+        details.add(BorderLayout.CENTER, nameLabel);
+
+        CircleProgress progress = CircleProgress.markComponentLoading(nameLabel);
+        progress.getStyle().setFgColor(0xff0000);
+        progressHolder[0] = progress;
+
+        resource.ready(data -> {
+            nameLabel.setText(data.getName());
+            CircleProgress.markComponentReady(nameLabel, null);
+        });
+
+        detailsHolder[0] = details;
+        details.show();
+    }
+
+    private void ensureSized(Component component, Form form) {
+        for (int i = 0; i < 5 && (component.getWidth() <= 0 || component.getHeight() <= 0); i++) {
+            form.revalidate();
+            flushSerialCalls();
+        }
+    }
+
+    private static class MyData {
+        String getName() {
+            return "Steve";
+        }
+    }
+}