CodeRabbit Generated Unit Tests: Add 71 unit tests for zIndex and utilities by coderabbitai[bot] · Pull Request #6538 · recharts/recharts

coderabbitai · 2025-10-30T15:24:17Z

Unit test generation was requested by @PavelVanecek.

Add zIndex to bar background #6536 (comment)

The following files were modified:

TEST_SUMMARY.md
test/cartesian/Bar.spec.tsx
test/polar/RadialBar.spec.tsx
test/state/selectors/pieSelectors.spec.tsx
test/util/BarBackgroundZIndex.spec.ts
test/zindex/DefaultZIndexes.spec.ts

coderabbitai · 2025-10-30T15:26:44Z

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ckifer · 2025-10-30T19:15:08Z

TEST_SUMMARY.md

@@ -0,0 +1,181 @@
+# Unit Test Summary for Branch: stacked-bar-background


this is nice and all but why...?

ckifer · 2025-10-30T19:16:24Z

test/cartesian/Bar.spec.tsx

  });
 });
+
+describe('Bar background zIndex', () => {


tests are pretty silly and aren't asserting anything useful. They need to be asserting the order things are rendered in the DOM and that these are behind the actual bars. Not that they exist

test/polar/RadialBar.spec.tsx

ckifer · 2025-10-30T19:20:58Z

test/state/selectors/pieSelectors.spec.tsx

+    ))(state => selectPieDataWithAnimation(state, 0, 'pie', false, undefined, dataWithMultipleProps, cells));
+
+    const result = spy.mock.lastCall?.[0];
+    expect(result).toBeDefined();


not asserting anything useful

ckifer · 2025-10-30T19:21:07Z

test/state/selectors/pieSelectors.spec.tsx

+    ))(state => selectPieDataWithAnimation(state, 0, 'pie', false, undefined, mixedData, cells));
+
+    const result = spy.mock.lastCall?.[0];
+    expect(result).toBeDefined();


ckifer · 2025-10-30T19:22:03Z

test/util/BarBackgroundZIndex.spec.ts

+});
+
+// Helper function mimicking getZIndex from Bar.tsx
+function getZIndexHelper(background: any): number {


errrr ?

Maybe this needs recreated? Its testing the test helper

ckifer · 2025-10-30T19:22:34Z

test/zindex/DefaultZIndexes.spec.ts

+import { DefaultZIndexes } from '../../src/zindex/DefaultZIndexes';
+
+describe('DefaultZIndexes', () => {
+  describe('structure and values', () => {


this is dumb. 100 does equal 100, thank you AI

ckifer · 2025-10-30T19:22:57Z

test/zIndex/DefaultZIndexes.spec.ts

+    });
+  });
+
+  describe('value types', () => {


typescript can tell us this

PavelVanecek · 2025-10-31T01:01:52Z

/update-snapshots

github-actions · 2025-10-31T01:14:26Z

ℹ️ No snapshot updates needed. All visual regression snapshots are up to date.

…lities

…ests

…d and verify selector behavior

PavelVanecek · 2025-11-06T15:03:16Z

I think I fixed @ckifer

codecov · 2025-11-06T15:13:07Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.18%. Comparing base (2526335) to head (10fc4bd).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6538      +/-   ##
==========================================
+ Coverage   91.17%   91.18%   +0.01%     
==========================================
  Files         491      492       +1     
  Lines       41001    40999       -2     
  Branches     4582     4584       +2     
==========================================
+ Hits        37381    37384       +3     
+ Misses       3603     3598       -5     
  Partials       17       17

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codecov · 2025-11-06T15:13:32Z

Bundle Report

Changes will increase total bundle size by 231 bytes (0.01%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
recharts/bundle-cjs	1.12MB	240 bytes (0.02%) ⬆️
recharts/bundle-es6	965.05kB	34 bytes (0.0%) ⬆️
recharts/bundle-umd	508.17kB	-43 bytes (-0.01%) ⬇️

Affected Assets, Files, and Routes:

view changes for bundle: recharts/bundle-cjs

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
`cartesian/Bar.js`	-90 bytes	26.46kB	-0.34%
`polar/RadialBar.js`	-142 bytes	20.45kB	-0.69%
`zIndex/ZIndexLayer.js` (New)	3.35kB	3.35kB	100.0% 🚀
`zIndex/ZIndexPortal.js` (New)	2.67kB	2.67kB	100.0% 🚀
`zIndex/DefaultZIndexes.js` (New)	2.37kB	2.37kB	100.0% 🚀
`zIndex/zIndexSelectors.js` (New)	1.5kB	1.5kB	100.0% 🚀
`zIndex/getZIndexFromUnknown.js` (New)	472 bytes	472 bytes	100.0% 🚀
~~`zindex/ZIndexLayer.js`~~ (Deleted)	-3.35kB	0 bytes	-100.0% 🗑️
~~`zindex/ZIndexPortal.js`~~ (Deleted)	-2.67kB	0 bytes	-100.0% 🗑️
~~`zindex/DefaultZIndexes.js`~~ (Deleted)	-2.37kB	0 bytes	-100.0% 🗑️
~~`zindex/zIndexSelectors.js`~~ (Deleted)	-1.5kB	0 bytes	-100.0% 🗑️

view changes for bundle: recharts/bundle-umd

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
`Recharts.js`	-43 bytes	508.17kB	-0.01%

view changes for bundle: recharts/bundle-es6

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
`cartesian/Bar.js`	-117 bytes	24.84kB	-0.47%
`polar/RadialBar.js`	-169 bytes	19.05kB	-0.88%
`zIndex/ZIndexLayer.js` (New)	3.14kB	3.14kB	100.0% 🚀
`zIndex/DefaultZIndexes.js` (New)	2.23kB	2.23kB	100.0% 🚀
`zIndex/ZIndexPortal.js` (New)	1.87kB	1.87kB	100.0% 🚀
`zIndex/zIndexSelectors.js` (New)	1.24kB	1.24kB	100.0% 🚀
`zIndex/getZIndexFromUnknown.js` (New)	320 bytes	320 bytes	100.0% 🚀
~~`zindex/ZIndexLayer.js`~~ (Deleted)	-3.14kB	0 bytes	-100.0% 🗑️
~~`zindex/DefaultZIndexes.js`~~ (Deleted)	-2.23kB	0 bytes	-100.0% 🗑️
~~`zindex/ZIndexPortal.js`~~ (Deleted)	-1.87kB	0 bytes	-100.0% 🗑️
~~`zindex/zIndexSelectors.js`~~ (Deleted)	-1.24kB	0 bytes	-100.0% 🗑️

ckifer

Much better

ckifer · 2025-11-06T15:45:24Z

test/cartesian/Bar.spec.tsx

+        <Bar background isAnimationActive={false} dataKey="value" />
+      </BarChart>,
+    );
+    debug();


coderabbitai bot requested a review from PavelVanecek October 30, 2025 15:24

coderabbitai bot assigned PavelVanecek Oct 30, 2025

coderabbitai bot mentioned this pull request Oct 30, 2025

Add zIndex to bar background #6536

Merged

7 tasks

Base automatically changed from stacked-bar-background to main October 30, 2025 19:18

ckifer requested changes Oct 30, 2025

View reviewed changes

coderabbitai bot and others added 10 commits November 6, 2025 19:33

CodeRabbit Generated Unit Tests: Add 71 unit tests for zIndex and uti…

e73732c

…lities

Add assertZIndexLayerOrder test utility, and use it in Bar.spec.tsx

c7bd721

Enhance Bar component: extend background prop to support ZIndexable type

88bd88a

RadialBar tests and prop

97dd33e

Refactor DefaultZIndexes: enforce type safety and streamline zIndex t…

fabe42a

…ests

Delete TEST_SUMMARY.md

490052a

Update PieSectorData tests: ensure custom data properties are include…

3306202

…d and verify selector behavior

getZIndexFromUnknown

fccb8af

Rename from zindex to zIndex to match casing of the prop

c75ee5a

npm run test-build-output -- --update

10fc4bd

PavelVanecek force-pushed the coderabbitai/utg/70a7bc9 branch from 69a06e2 to 10fc4bd Compare November 6, 2025 15:02

ckifer approved these changes Nov 6, 2025

View reviewed changes

ckifer merged commit 9dd5431 into main Nov 6, 2025
28 checks passed

PavelVanecek deleted the coderabbitai/utg/70a7bc9 branch November 6, 2025 23:45

		@@ -0,0 +1,181 @@
		# Unit Test Summary for Branch: stacked-bar-background

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coderabbitai bot commented Oct 30, 2025

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PavelVanecek commented Oct 31, 2025

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PavelVanecek commented Nov 6, 2025

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codecov bot commented Nov 6, 2025

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codecov bot commented Nov 6, 2025 •

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