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TESTS.md

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Screenshot tests

Axes related

See the Props

All axes related props should be tested on below types of charts-

  1. Bar
  2. Stacked Bar
  3. Line
  4. Line Bicolor (secondary Y axis not supported)

This means that each of the below tests will be written 3 times (1 for each of the above charts)

  1. A chart with only +ve values should have y Axis labels and the Y-axis line at the proper position
  2. A chart with both +ve and -ve values should have y Axis labels and the Y-axis line at the proper positions both in the 1st and the 4th quadrant
  3. A chart with only +ve values, all values less than 1 should show fractional labels on the y Axis
  4. A chart with only +ve values, with values range less than 1 should show fractional labels on the y Axis (given apt yAxisOffset)
  5. A chart with only +ve values and yAxisSide = {yAxisSides.RIGHT} should have y Axis labels and the Y-axis line at the proper position
  6. A chart with both +ve and -ve values and yAxisSide = {yAxisSides.RIGHT} should have y Axis labels and the Y-axis line at the proper position
  7. A chart with secondaryYaxis should have the secondary y Axis labels and the Y-axis line at the proper position (given secondary data)
  8. A chart with secondaryYaxis and both +ve and -ve values should have the secondary y Axis labels and the Y-axis line at the proper positions both in the 1st and the 4th quadrant
  9. yAxisExtraHeight should add extra height to the chart when height is NOT given
  10. yAxisExtraHeight should add extra height to the chart when height is given
  11. yAxisLabelWidth prop should change the width of the y-Axis label and should horizontally shift the chart gracefully
  12. Check alignment of the right side y-Axis line and labels when using the yAxisLabelWidth prop along with yAxisSide = {yAxisSides.RIGHT}
  13. trimYAxisAtTop should shorten the Y axis from top without shifting the labels, chart or rules
  14. trimYAxisAtTop should shorten the Y axis from top for the right side Y-axis when used with yAxisSide = {yAxisSides.RIGHT}
  15. trimYAxisAtTop should shorten both sides Y-axis when using the secondary Y axis
  16. yAxisLabelPrefix should add the prefix to Y-axis labels
  17. yAxisLabelSuffix should add the suffix to Y-axis labels
  18. Both yAxisLabelPrefix and yAxisLabelSuffix should work together
  19. Both yAxisLabelPrefix and yAxisLabelSuffix should work together for chart with both +ve & -ve values
  20. Both yAxisLabelPrefix and yAxisLabelSuffix should work together for chart with fractional values
  21. formatYLabel should format the Y-axis labels
  22. formatYLabel should work on top of yAxisLabelPrefix and yAxisLabelSuffix
  23. rulesLength prop should work for a chart with +ve values only
  24. rulesLength prop should work for a chart with both +ve and -ve values
  25. Reference line 1 should work for a chart with +ve values only
  26. Reference line 1 should work for a chart with both +ve and -ve values
  27. Reference line 2 should work for a chart with +ve values only
  28. Reference line 2 should work for a chart with both +ve and -ve values
  29. referenceLinesOverChartContent should render reference lines over chart content
  30. showVerticalLines should work
  31. verticalLinesHeight should work
  32. verticalLinesShift should work
  33. noOfVerticalLines should work
  34. verticalLinesSpacing should work
  35. rotateLabel should work for a chart with +ve values only
  36. rotateLabel should work for a chart with both +ve and -ve values
  37. labelsDistanceFromXaxis should work for a chart with +ve values only
  38. labelsDistanceFromXaxis should work for a chart with both +ve and -ve values
  39. xAxisTextNumberOfLines should work
  40. xAxisLabelsHeight should work
  41. xAxisLabelsVerticalShift should work should work for a chart with +ve values only
  42. xAxisLabelsVerticalShift should work for a chart with both +ve and -ve values
  43. labelsDistanceFromXaxis and xAxisLabelsVerticalShift should work together for a chart with both +ve and -ve values
  44. labelsExtraHeight should work for a chart with +ve values only
  45. noOfSections should work
  46. noOfSectionsBelowXAxis should work
  47. maxValue should work
  48. stepValue should work
  49. noOfSections and maxValue should work together
  50. noOfSections and stepValue should work together
  51. maxValue and stepValue should work together
  52. mostNegativeValue should work
  53. negativeStepValue should work
  54. noOfSectionsBelowXAxis and mostNegativeValue should work together
  55. negativeStepValue and noOfSectionsBelowXAxis should work together
  56. mostNegativeValue and noOfSectionsBelowXAxis should work together

Pie chart tests

  1. A Pie chart with only 1 item in data array should work
  2. A Donut chart with only 1 item in data array should work
  3. radius should work for Pie chart
  4. radius should work for Donut chart
  5. initialAngle should work for Pie chart
  6. initialAngle should work for Donut chart
  7. sectionAutoFocus should work for Pie chart
  8. sectionAutoFocus should work for Donut chart
  9. extraRadius should work with sectionAutoFocus for Pie chart
  10. extraRadius should work with sectionAutoFocus for Donut chart
  11. inwardExtraLengthForFocused should work for Donut chart
  12. inwardExtraLengthForFocused and extraRadius should work together for Donut chart
  13. semiCircle should work for Pie chart
  14. semiCircle should work for Donut chart
  15. pieInnerComponent should work
  16. labelsPosition: inward should work
  17. labelsPosition: mid should work
  18. labelsPosition: onBorder should work
  19. labelsPosition: outward should work
  20. showExternalLabels should work


Unit tests

  1. onPress should work
  2. onLongPress should work
  3. onPress for individual data items should work


Manual tests

  1. Line and area charts with the use of the animateOnDataChange prop should not blink on moving the pointer. #849