#673 discover mentions

1 files changed, 41 insertions, 0 deletions

diff --git a/app/src/test/java/it/niedermann/nextcloud/deck/CommentsUtilTest.java b/app/src/test/java/it/niedermann/nextcloud/deck/CommentsUtilTest.java
new file mode 100644
index 000000000..65056b798
--- /dev/null
+++ b/app/src/test/java/it/niedermann/nextcloud/deck/CommentsUtilTest.java
@@ -0,0 +1,41 @@
+package it.niedermann.nextcloud.deck;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import it.niedermann.nextcloud.deck.ui.card.comments.util.CommentsUtil;
+
+public class CommentsUtilTest {
+
+    @Test
+    public void testMentionDiscovery() {
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("", 0));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("a ", 1));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("a ", 2));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("@a ", 3));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("d@a", 2));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("d@a", 0));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("d@a", 3));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("ab", 0));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("ab", 1));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("ab", 2));
+        Assert.assertNull(CommentsUtil.getUserNameForMentionProposal("def @ab ", 8));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("\n@ab", 3));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("\n@ab", 4));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("\t@ab", 3));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal(" @ab", 3));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("@ab", 3));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("@ab", 2));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("@ab def", 2));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("@ab def", 3));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("def @ab ", 5));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("def @ab", 6));
+        Assert.assertEquals("ab_asdf_ldklsdkf", CommentsUtil.getUserNameForMentionProposal("def @ab_asdf_ldklsdkf", 7));
+        Assert.assertEquals("ab_asdf_ldklsdkf", CommentsUtil.getUserNameForMentionProposal("def @ab_asdf_ldklsdkf   ", 7));
+        Assert.assertEquals("\"ab_asdf_ldklsdkf\"", CommentsUtil.getUserNameForMentionProposal("def @\"ab_asdf_ldklsdkf\"", 7));
+        Assert.assertEquals("\"ab_asdf_ldklsdkf\"", CommentsUtil.getUserNameForMentionProposal("def @\"ab_asdf_ldklsdkf\" \nasdf", 7));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("def @ab\n", 7));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("\ndef @ab\n", 8));
+        Assert.assertEquals("ab", CommentsUtil.getUserNameForMentionProposal("\n def @ab\nasdfasdf", 9));
+    }
+}