Adds test for DefaultDisplayService choosing the matching display with the highest priority

frauzufall · frauzufall · commit fd0095eb4d79 · 2019-12-03T11:31:32.000+01:00
diff --git a/src/test/java/org/scijava/display/CustomTextDisplay.java b/src/test/java/org/scijava/display/CustomTextDisplay.java
@@ -0,0 +1,20 @@
+package org.scijava.display;
+
+import org.scijava.Priority;
+import org.scijava.plugin.Plugin;
+
+@Plugin(type = Display.class, priority = Priority.HIGH)
+public class CustomTextDisplay extends AbstractDisplay<String> implements
+		TextDisplay
+{
+
+	public CustomTextDisplay() {
+		super(String.class);
+	}
+
+	@Override
+	public void append(final String text) {
+		add(text);
+	}
+
+}
diff --git a/src/test/java/org/scijava/display/DisplayTest.java b/src/test/java/org/scijava/display/DisplayTest.java
@@ -132,4 +132,14 @@ public void testText() {
 		assertEquals(value, result);
 	}
 
+	@Test
+	public void testMultipleDisplaysPriorityMatch() {
+		final Context context = new Context(DisplayService.class);
+		final DisplayService displayService =
+				context.getService(DisplayService.class);
+		final String name = "Text";
+		final String value = "Hello";
+		Display<?> display = displayService.createDisplay(name, value);
+		assertEquals(CustomTextDisplay.class, display.getClass());
+	}
 }

Original file line number	Diff line number	Diff line change
`@@ -132,4 +132,14 @@ public void testText() {`
`132`	`132`	`assertEquals(value, result);`
`133`	`133`	`}`
`134`	`134`
	`135`	`+ @Test`
	`136`	`+ public void testMultipleDisplaysPriorityMatch() {`
	`137`	`+ final Context context = new Context(DisplayService.class);`
	`138`	`+ final DisplayService displayService =`
	`139`	`+ context.getService(DisplayService.class);`
	`140`	`+ final String name = "Text";`
	`141`	`+ final String value = "Hello";`
	`142`	`+ Display<?> display = displayService.createDisplay(name, value);`
	`143`	`+ assertEquals(CustomTextDisplay.class, display.getClass());`
	`144`	`+ }`
`135`	`145`	`}`