SONAR-13781 Improve BubbleChart when all items are on x=0

server/sonar-web/src/main/js/apps/component-measures/drilldown/BubbleChart.tsx

@@ -147,6 +147,14 @@ export default class BubbleChart extends React.PureComponent<Props, State> {
     const formatXTick = (tick: string | number | undefined) => formatMeasure(tick, metrics.x.type);
     const formatYTick = (tick: string | number | undefined) => formatMeasure(tick, metrics.y.type);
 
+    let xDomain: [number, number] | undefined;
+    if (items.reduce((acc, item) => acc + item.x, 0) === 0) {
+      // All items are on the 0 axis. This won't display the grid on the X axis,
+      // which can make the graph a little hard to read. Force the display of
+      // the X grid.
+      xDomain = [0, 100];
+    }
+
     return (
       <OriginalBubbleChart<T.ComponentMeasureEnhanced>
         formatXTick={formatXTick}
@@ -156,6 +164,7 @@ export default class BubbleChart extends React.PureComponent<Props, State> {
         onBubbleClick={this.handleBubbleClick}
         padding={[25, 60, 50, 60]}
         yDomain={getBubbleYDomain(this.props.domain)}
+        xDomain={xDomain}
       />
     );
   }

server/sonar-web/src/main/js/apps/component-measures/drilldown/__tests__/BubbleChart-test.tsx

@@ -20,6 +20,7 @@
 import { shallow } from 'enzyme';
 import { keyBy } from 'lodash';
 import * as React from 'react';
+import OriginalBubbleChart from 'sonar-ui-common/components/charts/BubbleChart';
 import { mockComponentMeasure, mockMeasure, mockMetric } from '../../../../helpers/testMocks';
 import { MetricKey } from '../../../../types/metrics';
 import { enhanceComponent } from '../../utils';
@@ -36,16 +37,35 @@ const metrics = keyBy(
 );
 
 it('should render correctly', () => {
-  expect(shallowRender()).toMatchSnapshot();
+  expect(shallowRender()).toMatchSnapshot('default');
+  expect(
+    shallowRender({
+      components: [
+        enhanceComponent(
+          mockComponentMeasure(true, {
+            measures: [
+              mockMeasure({ value: '0', metric: MetricKey.ncloc }),
+              mockMeasure({ value: '0', metric: MetricKey.security_remediation_effort }),
+              mockMeasure({ value: '0', metric: MetricKey.vulnerabilities }),
+              mockMeasure({ value: '0', metric: MetricKey.security_rating })
+            ]
+          }),
+          metrics[MetricKey.vulnerabilities],
+          metrics
+        )
+      ]
+    })
+  ).toMatchSnapshot('all on x=0');
 });
 
 it('should handle filtering', () => {
   const wrapper = shallowRender();
+  expect(wrapper.find(OriginalBubbleChart).props().items).toHaveLength(1);
 
   wrapper.instance().handleRatingFilterClick(2);
 
   expect(wrapper.state().ratingFilters).toEqual({ 2: true });
-  expect(wrapper).toMatchSnapshot();
+  expect(wrapper.find(OriginalBubbleChart).props().items).toHaveLength(0);
 });
 
 function shallowRender(overrides: Partial<BubbleChart['props']> = {}) {

server/sonar-web/src/main/js/apps/component-measures/drilldown/__tests__/__snapshots__/BubbleChart-test.tsx.snap

@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`should handle filtering 1`] = `
+exports[`should render correctly: all on x=0 1`] = `
 <div
   className="measure-overview-bubble-chart"
 >
@@ -35,11 +35,7 @@ exports[`should handle filtering 1`] = `
       </span>
       <ColorRatingsLegend
         className="spacer-top"
-        filters={
-          Object {
-            "2": true,
-          }
-        }
+        filters={Object {}}
         onRatingClick={[Function]}
       />
     </span>
@@ -55,7 +51,113 @@ exports[`should handle filtering 1`] = `
       formatXTick={[Function]}
       formatYTick={[Function]}
       height={500}
-      items={Array []}
+      items={
+        Array [
+          Object {
+            "color": undefined,
+            "data": Object {
+              "key": "foo:src/index.tsx",
+              "leak": "1.0",
+              "measures": Array [
+                Object {
+                  "bestValue": true,
+                  "leak": "1.0",
+                  "metric": Object {
+                    "id": "ncloc",
+                    "key": "ncloc",
+                    "name": "Ncloc",
+                    "type": "NUMBER",
+                  },
+                  "period": Object {
+                    "bestValue": true,
+                    "index": 1,
+                    "value": "1.0",
+                  },
+                  "value": "0",
+                },
+                Object {
+                  "bestValue": true,
+                  "leak": "1.0",
+                  "metric": Object {
+                    "id": "security_remediation_effort",
+                    "key": "security_remediation_effort",
+                    "name": "Security_remediation_effort",
+                    "type": "NUMBER",
+                  },
+                  "period": Object {
+                    "bestValue": true,
+                    "index": 1,
+                    "value": "1.0",
+                  },
+                  "value": "0",
+                },
+                Object {
+                  "bestValue": true,
+                  "leak": "1.0",
+                  "metric": Object {
+                    "id": "vulnerabilities",
+                    "key": "vulnerabilities",
+                    "name": "Vulnerabilities",
+                    "type": "NUMBER",
+                  },
+                  "period": Object {
+                    "bestValue": true,
+                    "index": 1,
+                    "value": "1.0",
+                  },
+                  "value": "0",
+                },
+                Object {
+                  "bestValue": true,
+                  "leak": "1.0",
+                  "metric": Object {
+                    "id": "security_rating",
+                    "key": "security_rating",
+                    "name": "Security_rating",
+                    "type": "RATING",
+                  },
+                  "period": Object {
+                    "bestValue": true,
+                    "index": 1,
+                    "value": "1.0",
+                  },
+                  "value": "0",
+                },
+              ],
+              "name": "index.tsx",
+              "path": "src/index.tsx",
+              "qualifier": "FIL",
+              "value": "0",
+            },
+            "size": 0,
+            "tooltip": <div
+              className="text-left"
+            >
+              <React.Fragment>
+                index.tsx
+                <br />
+              </React.Fragment>
+              <React.Fragment>
+                Ncloc: 0
+                <br />
+              </React.Fragment>
+              <React.Fragment>
+                Security_remediation_effort: 0
+                <br />
+              </React.Fragment>
+              <React.Fragment>
+                Vulnerabilities: 0
+                <br />
+              </React.Fragment>
+              <React.Fragment>
+                Security_rating: \`
+              </React.Fragment>
+            </div>,
+            "x": 0,
+            "y": 0,
+          },
+        ]
+      }
       onBubbleClick={[Function]}
       padding={
         Array [
@@ -71,6 +173,12 @@ exports[`should handle filtering 1`] = `
           45,
         ]
       }
+      xDomain={
+        Array [
+          0,
+          100,
+        ]
+      }
     />
   </div>
   <div
@@ -86,7 +194,7 @@ exports[`should handle filtering 1`] = `
 </div>
 `;
 
-exports[`should render correctly 1`] = `
+exports[`should render correctly: default 1`] = `
 <div
   className="measure-overview-bubble-chart"
 >