Background
Result of spike T369863. Currently it is possible to create charts with arbitary number of data points e.g. a line chart with 100 lines. This is not going to be readable unless the reader has a large screen (but even then not good)
User story
As a user I want to be able to easily understand every chart I see.
Requirements
- Add validation code that ensures a chart has a minimum of 1 data point
- Add validation code that ensures a chart has a minimum of 10 data point
- When a graph has too many data points the user should see a error message informing them that graphs only support a maximum of 10 points.
BDD
- For QA engineer to fill out
Test Steps
- For QA engineer to fill out
Design
The default colors and order they will appear in will be noted in T375234.
Acceptance criteria
- Add acceptance criteria
Communication criteria - does this need an announcement or discussion?
- Add communication criteria
Rollback plan
- What is the rollback plan in production for this task if something goes wrong?
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