@Test
public void testValidLabelProvider() {
TagCloudViewer viewer = new TagCloudViewer(cloud);
TestLabelProvider labelProvider = new TestLabelProvider();
viewer.setLabelProvider(labelProvider);
Assert.assertEquals(labelProvider, viewer.getLabelProvider());
}
@Test
public void testValidLayouter() {
TagCloudViewer viewer = new TagCloudViewer(cloud);
DefaultLayouter layouter = new DefaultLayouter(5, 5);
viewer.setLayouter(layouter);
Assert.assertEquals(layouter, viewer.getLayouter());
}
@Test
public void testValidLabelAsignment() {
TagCloudViewer viewer = new TagCloudViewer(cloud);
ListContentProvider provider = new ListContentProvider();
viewer.setContentProvider(provider);
TestLabelProvider labelProvider = new TestLabelProvider();
viewer.setLabelProvider(labelProvider);
List<String> data = new ArrayList<String>();
data.add("Hello");
data.add("World");
viewer.setInput(data);
List<Word> words = viewer.getCloud().getWords();
for (Word word : words) {
Assert.assertEquals(TestLabelProvider.COLOR, word.getColor());
for (int i = 0; i < TestLabelProvider.FONT_DATA.length; i++) {
Assert.assertEquals(TestLabelProvider.FONT_DATA[i], word.getFontData()[i]);
}
Assert.assertEquals(TestLabelProvider.ANGLE, word.angle);
Assert.assertEquals(TestLabelProvider.WEIGHT, word.weight);
Assert.assertTrue(word.x != 0);
Assert.assertTrue(word.y != 0);
Assert.assertTrue(word.width != 0);
Assert.assertTrue(word.height != 0);
}
}
@Test
public void testValidContentProvider() {
TagCloudViewer viewer = new TagCloudViewer(cloud);
ListContentProvider provider = new ListContentProvider();
viewer.setContentProvider(provider);
Assert.assertEquals(provider, viewer.getContentProvider());
}
@Test
public void testConstructor_ValidCloud() {
TagCloudViewer viewer = new TagCloudViewer(cloud);
TagCloud cloud = viewer.getCloud();
Assert.assertNotNull(cloud);
Assert.assertEquals(this.cloud, cloud);
Assert.assertTrue(viewer.getSelection() != null);
Assert.assertTrue(viewer.getSelection().isEmpty());
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidContentProvider2() {
TagCloudViewer viewer = new TagCloudViewer(cloud);
viewer.setContentProvider(
new IContentProvider() {
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
public void dispose() {}
});
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidLabelProvider2() {
TagCloudViewer viewer = new TagCloudViewer(cloud);
viewer.setLabelProvider(new BaseLabelProvider());
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidLayouter() {
TagCloudViewer viewer = new TagCloudViewer(cloud);
viewer.setLayouter(null);
}