Guidance Needed: Automating Complex Sankey / Flow Chart Using Selenium
Komal Rai
Hi Selenium Community,
I am working on automating a web application dashboard that contains a complex Distributor to Facility Flow visualization (Sankey-style chart with multiple nodes and colored flow paths).
The chart behavior includes:
Hovering on flow lines to display dynamic tooltips
Different flow states represented by colors (e.g., Fulfilled, In Transit, Delayed)
Multiple source nodes (Distributors) flowing through intermediate nodes to destination facilities
Filters (dropdowns) that dynamically change the chart data
I would like guidance on:
Best practices to identify and interact with SVG elements used in such Sankey charts
Reliable ways to hover on specific paths/links and capture tooltip data using Selenium
Whether ActionChains is sufficient or if JavaScript execution is recommended
How to validate data correctness when DOM attributes are dynamically generated
Any known limitations of Selenium for this use case and recommended alternatives (if any)
If anyone has experience automating:
SVG-based charts
D3.js / Highcharts / custom visualization components
Your suggestions, sample approaches, or references would be extremely helpful.
Thank you in advance for your support.
Best regards,
Komal Rai
venkatesh iyengar
- Locate path by semantic attribute (color, data-id).
- Hover with Actions → fallback to JS dispatch if tooltip doesn’t appear.
- Wait for tooltip → capture text.
- Validate attributes (
stroke,data-value) against expected dataset. - Re-locate after filters → guard against stale elements
- Regards,
- Venkatesh
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