Improve helpers.color test coverage (#8034)

diff --git a/test/specs/helpers.color.tests.js b/test/specs/helpers.color.tests.js
index f7825d03591affd6b505cf1c7573bf34b9401917..6f478ddf46d5125607217e407624dc4fc4bc7d27 100644 (file)
--- a/test/specs/helpers.color.tests.js
+++ b/test/specs/helpers.color.tests.js
@@ -11,6 +11,14 @@ describe('Color helper', function() {
 });
 
 describe('Background hover color helper', function() {
+       it('should return a modified version of color when called with a color', function() {
+               var originalColorRGB = 'rgb(70, 191, 189)';
+
+               expect(getHoverColor('#46BFBD')).not.toEqual(originalColorRGB);
+       });
+});
+
+describe('color and getHoverColor helpers', function() {
        it('should return a CanvasPattern when called with a CanvasPattern', function(done) {
                var dots = new Image();
                dots.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAOCAMAAAAolt3jAAAAD1BMVEUAAAD///////////////+PQt5oAAAABXRSTlMAHlFhZsfk/BEAAAAqSURBVHgBY2BgZGJmYmSAAUYWEIDzmcBcJhiXGcxlRpPFrhdmMiqgvX0AcGIBEUAo6UAAAAAASUVORK5CYII=';
@@ -20,10 +28,10 @@ describe('Background hover color helper', function() {
                        var patternContext = patternCanvas.getContext('2d');
                        var pattern = patternContext.createPattern(dots, 'repeat');
                        patternContext.fillStyle = pattern;
+                       var chartPattern = chartContext.createPattern(patternCanvas, 'repeat');
 
-                       var backgroundColor = getHoverColor(chartContext.createPattern(patternCanvas, 'repeat'));
-
-                       expect(backgroundColor instanceof CanvasPattern).toBe(true);
+                       expect(color(chartPattern) instanceof CanvasPattern).toBe(true);
+                       expect(getHoverColor(chartPattern) instanceof CanvasPattern).toBe(true);
 
                        done();
                };
@@ -33,12 +41,7 @@ describe('Background hover color helper', function() {
                var context = document.createElement('canvas').getContext('2d');
                var gradient = context.createLinearGradient(0, 1, 2, 3);
 
+               expect(color(gradient) instanceof CanvasGradient).toBe(true);
                expect(getHoverColor(gradient) instanceof CanvasGradient).toBe(true);
        });
-
-       it('should return a modified version of color when called with a color', function() {
-               var originalColorRGB = 'rgb(70, 191, 189)';
-
-               expect(getHoverColor('#46BFBD')).not.toEqual(originalColorRGB);
-       });
 });