[occur] starting with simple occur functionality

lib/ace/occur_test.js

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+/* ***** BEGIN LICENSE BLOCK *****
+ * Distributed under the BSD license:
+ *
+ * Copyright (c) 2010, Ajax.org B.V.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Ajax.org B.V. nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+if (typeof process !== "undefined") {
+    require("amd-loader");
+}
+
+define(function(require, exports, module) {
+"use strict";
+
+var EditSession = require("./edit_session").EditSession;
+var Editor = require("./editor").Editor;
+var MockRenderer = require("./test/mockrenderer").MockRenderer;
+var Range = require("./range").Range;
+var assert = require("./test/assertions");
+var Occur = require("./occur").Occur;
+var occurCommands = require("./commands/occur_commands");
+// var OccurKeyboardHandler = occurCommands.OccurKeyboardHandler;
+
+var editor, occur, session;
+
+module.exports = {
+
+    name: "ACE occur.js",
+
+    setUp: function() {
+        session = new EditSession('');
+        editor = new Editor(new MockRenderer(), session);
+        occur = new Occur();
+    },
+
+    "test: find lines matching" : function() {
+        session.doc.insertLines(0, ['abc', 'def', 'xyz', 'bcx']);
+        var result = occur.matchingLines(session, {needle: 'bc'}),
+            expected = [{row: 0, content: 'abc'}, {row: 3, content: 'bcx'}];
+        assert.deepEqual(result, expected);
+    },
+
+    "test: display occurrences" : function() {
+        var lines = ['abc', 'def', 'xyz', 'bcx'];
+        session.doc.insertLines(0, lines);
+        occur.display(session, {needle: 'bc'});
+        assert.equal(session.getValue(), 'abc\nbcx');
+        occur.displayOriginal(session);
+        assert.equal(session.getValue(), lines.join('\n') + '\n');
+    },
+
+    "test: occur command" : function() {
+        var lines = ['hel', 'lo', '', 'wo', 'rld'];
+        session.doc.insertLines(0, lines);
+        editor.commands.addCommands(occurCommands.occurStartCommands);
+        editor.execCommand('occur', {needle: 'o'});
+        assert.equal(session.getValue(), 'lo\nwo');
+        assert.ok(editor.getKeyboardHandler().isOccurHandler, 'no occur handler installed');
+        assert.ok(editor.commands.byName.occurexit, 'no exitoccur command installed');
+        editor.execCommand('occurexit');
+        assert.ok(!editor.getKeyboardHandler().isOccurHandler, 'occur handler installed after detach');
+        assert.ok(!editor.commands.byName.occurexit, 'exitoccur installed after exiting occur');
+        assert.equal(session.getValue(), lines.join('\n') + '\n');
+    }
+
+};
+
+});
+
+if (typeof module !== "undefined" && module === require.main) {
+    require("asyncjs").test.testcase(module.exports).exec()
+}