improve test - add tiny bars

Author: archmoj

test/image/baselines/bar_hide_nulls.png

@@ -5,16 +5,19 @@
             "x": [
                 "A",
                 "B",
-                "C"
+                "C",
+                "D"
             ],
             "y": [
                 0,
                 null,
+                0.001,
                 1
             ],
             "text": [
                 0,
                 null,
+                0.001,
                 1
             ],
             "textposition": "auto",
@@ -26,16 +29,19 @@
             "x": [
                 "A",
                 "B",
-                "C"
+                "C",
+                "D"
             ],
             "y": [
                 0,
                 null,
+                0.001,
                 1
             ],
             "text": [
                 0,
                 null,
+                0.001,
                 1
             ],
             "textposition": "auto",
@@ -50,16 +56,19 @@
             "x": [
                 0,
                 null,
+                0.001,
                 1
             ],
             "y": [
                 "A",
                 "B",
-                "C"
+                "C",
+                "D"
             ],
             "text": [
                 0,
                 null,
+                0.001,
                 1
             ],
             "textposition": "auto",
@@ -74,16 +83,19 @@
             "x": [
                 0,
                 null,
+                0.001,
                 1
             ],
             "y": [
                 "A",
                 "B",
-                "C"
+                "C",
+                "D"
             ],
             "text": [
                 0,
                 null,
+                0.001,
                 1
             ],
             "textposition": "auto",
@@ -94,7 +106,7 @@
         }
     ],
     "layout": {
-        "showlegend": true,
+        "showlegend": false,
         "width": 800,
         "height": 800,
         "dragmode": "pan",

test/image/mocks/bar_hide_nulls.json

@@ -2041,19 +2041,36 @@ describe('A bar plot', function() {
             dy -= +pos[2];
             dx -= +pos[3];
 
-            return dx * dy;
+            return Math.abs(dx * dy);
         }
 
         Plotly.plot(gd, mock)
         .then(function() {
             var nodes = gd.querySelectorAll('g.point > path');
-            expect(nodes.length).toBe(12, '# of bars');
+            expect(nodes.length).toBe(16, '# of bars');
 
             [
-                0, 1, 3, 4, 6, 7, 9, 10
-            ].forEach(function(i) {
+                [0, false],
+                [1, false],
+                [2, true],
+                [3, true],
+                [4, false],
+                [5, false],
+                [6, true],
+                [7, true],
+                [8, false],
+                [9, false],
+                [10, true],
+                [11, true],
+                [12, false],
+                [13, false],
+                [14, true],
+                [15, true]
+            ].forEach(function(e) {
+                var i = e[0];
                 var d = nodes[i].getAttribute('d');
-                expect(getArea(d)).toBe(0, 'item:' + i);
+                var visible = e[1];
+                expect(getArea(d) > 0).toBe(visible, 'item:' + i);
             });
         })
         .catch(failTest)