From: Jukka Kurkela <jukka.kurkela@gmail.com>
Date: Thu, 18 Apr 2019 20:39:52 +0000 (+0300)
Subject: Fix missing tooltip value in radar charts (#6209)
X-Git-Tag: v2.9.0~1^2~78
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=89af7b1383fffd477e0f6245770920e36450ac58;p=thirdparty%2FChart.js.git

Fix missing tooltip value in radar charts (#6209)
---

diff --git a/src/controllers/controller.radar.js b/src/controllers/controller.radar.js
index 770ddc51a..20383c677 100644
--- a/src/controllers/controller.radar.js
+++ b/src/controllers/controller.radar.js
@@ -20,6 +20,19 @@ defaults._set('radar', {
 });
 
 module.exports = DatasetController.extend({
+	/**
+	 * @private
+	 */
+	_getValueScaleId: function() {
+		return this.chart.scale.id;
+	},
+
+	/**
+	 * @private
+	 */
+	_getIndexScaleId: function() {
+		return this.chart.scale.id;
+	},
 
 	datasetElementType: elements.Line,
 
diff --git a/test/specs/controller.radar.tests.js b/test/specs/controller.radar.tests.js
index 6b2c75454..b9a233d12 100644
--- a/test/specs/controller.radar.tests.js
+++ b/test/specs/controller.radar.tests.js
@@ -443,4 +443,24 @@ describe('Chart.controllers.radar', function() {
 		expect(meta0.data[0]._model.radius).toBe(10);
 		expect(meta1.data[0]._model.radius).toBe(20);
 	});
+
+	it('should return same id for index and value scale', function() {
+		var chart = window.acquireChart({
+			type: 'radar',
+			data: {
+				datasets: [{
+					data: [10, 15, 0, 4],
+					pointBorderWidth: 0
+				}],
+				labels: ['label1', 'label2', 'label3', 'label4']
+			},
+			options: {
+				scale: {id: 'test'}
+			}
+		});
+
+		var controller = chart.getDatasetMeta(0).controller;
+		expect(controller._getIndexScaleId()).toBe('test');
+		expect(controller._getValueScaleId()).toBe('test');
+	});
 });