Add function to ellipsize text

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 32 insertions, 0 deletions

diff --git a/application/test/tests/test_service_files.php b/application/test/tests/test_service_files.php
index 21688230f..401ddbe86 100644
--- a/application/test/tests/test_service_files.php
+++ b/application/test/tests/test_service_files.php
@@ -80,6 +80,38 @@ class test_service_files extends \test\Test {
 		}
 	}
 
+	public function test_ellipsize()
+	{
+		$a1 = "abc";
+		$a2 = "abc\nabc";
+		$a3 = "abc\nabc\nabc";
+		$a4 = "abc\nabc\nabc\nabc";
+
+		$this->t->is(\service\files::ellipsize($a1, 1, strlen($a1)),
+			$a1, "Trim 1 line to 1, no change");
+
+		$this->t->is(\service\files::ellipsize($a3, 3, strlen($a3)),
+			$a3, "Trim 3 lines to 3, no change");
+
+		$this->t->is(\service\files::ellipsize($a3, 5, strlen($a3)),
+			$a3, "Trim 3 lines to 5, no change");
+
+		$this->t->is(\service\files::ellipsize($a2, 1, strlen($a2)),
+			"$a1\n...", "Trim 2 lines to 1, drop one line");
+
+		$this->t->is(\service\files::ellipsize($a3, 2, strlen($a3)),
+			"$a2\n...", "Trim 3 lines to 2, drop one line");
+
+		$this->t->is(\service\files::ellipsize($a4, 2, strlen($a4)),
+			"$a2\n...", "Trim 4 lines to 2, drop 2 lines");
+
+		$this->t->is(\service\files::ellipsize($a3, 3, strlen($a3) + 1),
+			"$a2\n...", "Last line incomplete, drop one line");
+
+		$this->t->is(\service\files::ellipsize($a1, 5, strlen($a1) + 1),
+			"$a1 ...", "Single line incomplete, only add dots");
+	}
+
 
 }