add test for findDefinition

Author: ananthakumaran

test/findDefintion.test.ts

@@ -0,0 +1,48 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Red Hat. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import { getLanguageService } from '../src/languageservice/yamlLanguageService';
+import { schemaRequestService, setupTextDocument, workspaceContext } from './utils/testHelper';
+import assert = require('assert');
+
+const languageService = getLanguageService(schemaRequestService, workspaceContext, [], null);
+
+suite('FindDefintion Tests', () => {
+
+    describe('Jump to defintion', function () {
+
+        function findDefinitions(content: string, position: number) {
+            const testTextDocument = setupTextDocument(content);
+            return languageService.findDefinition(testTextDocument, testTextDocument.positionAt(position));
+        }
+
+        it('Find source defintion', done => {
+            const content = "definitions:\n  link:\n    type: string\ntype: object\nproperties:\n  uri:\n    $ref: '#/definitions/link'\n";
+            const definitions = findDefinitions(content, content.lastIndexOf('/li'));
+            definitions.then(function (results) {
+                assert.equal(results.length, 1);
+                assert.deepEqual(results[0].originSelectionRange, {
+                    start: {
+                        line: 6,
+                        character: 10
+                    },
+                    end: {
+                        line: 6,
+                        character: 30
+                    }
+                });
+                assert.deepEqual(results[0].targetRange, {
+                    start: {
+                        line: 2,
+                        character: 4
+                    },
+                    end: {
+                        line: 2,
+                        character: 16
+                    }
+                });
+            }).then(done, done);
+        });
+    });
+});