From 957430a5e1e5f8919a2411fe523fb10de0783bd5 Mon Sep 17 00:00:00 2001
From: Scimonster <tehalmightyscimonster@gmail.com>
Date: Mon, 14 Dec 2015 18:56:26 +0200
Subject: [PATCH] Add case-changing magic words to mw.jqueryMsg

Add the lc, uc, lcfirst, and ucfirst magic words.
Task done as part of GCI15.

Bug: T46495
Change-Id: I246b878ff4e8ef4cf49fe1859ee6c5d33d373b30
---
 .../src/mediawiki/mediawiki.jqueryMsg.js      | 42 +++++++++++++++++++
 .../mediawiki/mediawiki.jqueryMsg.test.js     | 23 ++++++++++
 2 files changed, 65 insertions(+)

diff --git a/resources/src/mediawiki/mediawiki.jqueryMsg.js b/resources/src/mediawiki/mediawiki.jqueryMsg.js
index 620dd5e5af..e905f69b71 100644
--- a/resources/src/mediawiki/mediawiki.jqueryMsg.js
+++ b/resources/src/mediawiki/mediawiki.jqueryMsg.js
@@ -1246,6 +1246,48 @@
 				number = nodes[ 0 ];
 
 			return this.language.convertNumber( number, isInteger );
+		},
+
+		/**
+		 * Lowercase text
+		 *
+		 * @param {Array} nodes List of nodes
+		 * @return {string} The given text, all in lowercase
+		 */
+		lc: function ( nodes ) {
+			return textify( nodes[ 0 ] ).toLowerCase();
+		},
+
+		/**
+		 * Uppercase text
+		 *
+		 * @param {Array} nodes List of nodes
+		 * @return {string} The given text, all in uppercase
+		 */
+		uc: function ( nodes ) {
+			return textify( nodes[ 0 ] ).toUpperCase();
+		},
+
+		/**
+		 * Lowercase first letter of input, leaving the rest unchanged
+		 *
+		 * @param {Array} nodes List of nodes
+		 * @return {string} The given text, with the first character in lowercase
+		 */
+		lcfirst: function ( nodes ) {
+			var text = textify( nodes[ 0 ] );
+			return text.charAt( 0 ).toLowerCase() + text.slice( 1 );
+		},
+
+		/**
+		 * Uppercase first letter of input, leaving the rest unchanged
+		 *
+		 * @param {Array} nodes List of nodes
+		 * @return {string} The given text, with the first character in uppercase
+		 */
+		ucfirst: function ( nodes ) {
+			var text = textify( nodes[ 0 ] );
+			return text.charAt( 0 ).toUpperCase() + text.slice( 1 );
 		}
 	};
 
diff --git a/tests/qunit/suites/resources/mediawiki/mediawiki.jqueryMsg.test.js b/tests/qunit/suites/resources/mediawiki/mediawiki.jqueryMsg.test.js
index 53a714f81c..43b324edb5 100644
--- a/tests/qunit/suites/resources/mediawiki/mediawiki.jqueryMsg.test.js
+++ b/tests/qunit/suites/resources/mediawiki/mediawiki.jqueryMsg.test.js
@@ -333,6 +333,29 @@
 		mw.user.options.set( 'gender', originalGender );
 	} );
 
+	QUnit.test( 'Case changing', 8, function ( assert ) {
+		mw.messages.set( 'to-lowercase', '{{lc:thIS hAS MEsSed uP CapItaliZatiON}}' );
+		assert.equal( formatParse( 'to-lowercase' ), 'this has messed up capitalization', 'To lowercase' );
+
+		mw.messages.set( 'to-caps', '{{uc:thIS hAS MEsSed uP CapItaliZatiON}}' );
+		assert.equal( formatParse( 'to-caps' ), 'THIS HAS MESSED UP CAPITALIZATION', 'To caps' );
+
+		mw.messages.set( 'uc-to-lcfirst', '{{lcfirst:THis hAS MEsSed uP CapItaliZatiON}}' );
+		mw.messages.set( 'lc-to-lcfirst', '{{lcfirst:thIS hAS MEsSed uP CapItaliZatiON}}' );
+		assert.equal( formatParse( 'uc-to-lcfirst' ), 'tHis hAS MEsSed uP CapItaliZatiON', 'Lcfirst caps' );
+		assert.equal( formatParse( 'lc-to-lcfirst' ), 'thIS hAS MEsSed uP CapItaliZatiON', 'Lcfirst lowercase' );
+
+		mw.messages.set( 'uc-to-ucfirst', '{{ucfirst:THis hAS MEsSed uP CapItaliZatiON}}' );
+		mw.messages.set( 'lc-to-ucfirst', '{{ucfirst:thIS hAS MEsSed uP CapItaliZatiON}}' );
+		assert.equal( formatParse( 'uc-to-ucfirst' ), 'THis hAS MEsSed uP CapItaliZatiON', 'Ucfirst caps' );
+		assert.equal( formatParse( 'lc-to-ucfirst' ), 'ThIS hAS MEsSed uP CapItaliZatiON', 'Ucfirst lowercase' );
+
+		mw.messages.set( 'mixed-to-sentence', '{{ucfirst:{{lc:thIS hAS MEsSed uP CapItaliZatiON}}}}' );
+		assert.equal( formatParse( 'mixed-to-sentence' ), 'This has messed up capitalization', 'To sentence case' );
+		mw.messages.set( 'all-caps-except-first', '{{lcfirst:{{uc:thIS hAS MEsSed uP CapItaliZatiON}}}}' );
+		assert.equal( formatParse( 'all-caps-except-first' ), 'tHIS HAS MESSED UP CAPITALIZATION', 'To opposite sentence case' );
+	} );
+
 	QUnit.test( 'Grammar', 2, function ( assert ) {
 		assert.equal( formatParse( 'grammar-msg' ), 'Przeszukaj Wiki', 'Grammar Test with sitename' );
 
-- 
2.20.1