OO-4409: Point help url of pre releases to the next major release

src/main/java/org/olat/core/commons/services/help/ConfluenceHelper.java

@@ -120,7 +120,8 @@ public class ConfluenceHelper {
 	protected static final String generateSpace(String version, Locale locale) {
 		StringBuilder sb = new StringBuilder();
 		sb.append("/OO");
-
+		
+		version = version.replace("pre", "0");
 		int firstPointIndex = version.indexOf('.');
 		if (firstPointIndex > 0) {
 			sb.append(version.substring(0, firstPointIndex));

src/test/java/org/olat/core/commons/services/help/ConfluenceHelperTest.java

@@ -49,5 +49,17 @@ public class ConfluenceHelperTest {
 		String url4 = ConfluenceHelper.generateSpace("11a", Locale.ENGLISH);
 		Assert.assertNotNull(url4);
 		Assert.assertTrue(url4.startsWith("/OO110EN/"));
+		
+		String url5pre0a = ConfluenceHelper.generateSpace("15.pre.0.a", Locale.ENGLISH);
+		Assert.assertNotNull(url5pre0a);
+		Assert.assertTrue(url5pre0a.startsWith("/OO150EN/"));
+		
+		String url15pre1 = ConfluenceHelper.generateSpace("15.pre.1", Locale.ENGLISH);
+		Assert.assertNotNull(url15pre1);
+		Assert.assertTrue(url15pre1.startsWith("/OO150EN/"));
+		
+		String url15pre = ConfluenceHelper.generateSpace("15.pre", Locale.ENGLISH);
+		Assert.assertNotNull(url15pre);
+		Assert.assertTrue(url15pre.startsWith("/OO150EN/"));
 	}
 }