sane defaults for gauge's background, 🔒 gauge.axis.visible with mock

Author: antoinerg

src/traces/indicator/attributes.js

@@ -318,7 +318,7 @@ module.exports = {
         borderwidth: {
             valType: 'number',
             min: 0,
-            dflt: 0,
+            dflt: 1,
             role: 'info',
             editType: 'plot',
             description: 'Sets the width (in px) of the border enclosing the gauge.'

src/traces/indicator/defaults.js

@@ -101,7 +101,7 @@ function supplyDefaults(traceIn, traceOut, defaultColor, layout) {
         }
 
         // gauge background
-        coerceGauge('bgcolor');
+        coerceGauge('bgcolor', layout.paper_bgcolor);
         coerceGauge('borderwidth');
         coerceGauge('bordercolor');
 

test/image/baselines/indicator_grid_template.png

@@ -0,0 +1,40 @@
+{
+  "data": [{
+      "type": "indicator",
+      "value": 120,
+      "delta": {"reference": 60},
+      "gauge": {"axis": {"visible": false}},
+      "domain": {"row": 0, "column": 0}
+  }, {
+      "type": "indicator",
+      "value": 120,
+      "delta": {"reference": 60},
+      "gauge": {"shape": "bullet", "axis": {"visible": false}},
+      "domain": {"row": 1, "y": [0.15, 0.35]}
+  }, {
+      "type": "indicator",
+      "mode": "number+delta",
+      "value": 120,
+      "delta": {"reference": 60},
+      "domain": {"row": 0, "column": 1}
+  }, {
+      "type": "indicator",
+      "mode": "delta",
+      "value": 40,
+      "delta": {"reference": 60},
+      "domain": {"row": 1, "column": 1}
+  }],
+  "layout": {
+    "width": 700,
+    "height": 400,
+    "margin": {"t": 25, "b": 25, "l": 25, "r": 25},
+    "grid": {"rows": 2, "columns": 2, "pattern": "independent"},
+    "template": {
+      "data": {
+        "indicator": [{
+          "mode": "number+delta+gauge"
+        }]
+      }
+    }
+  }
+}