Maestro (UI) Tests asserting markers

[cwsiteplan]

Hi,

we're using Maestro to for UI testing and I wanted to assert on map markers.
Usually we'd set

.semantics(mergeDescendants = true) {
                                testTag = tag
                                contentDescription = tag
                            }

on the UI element to be able to assert on it.
Sadly that does not work as the markers are rendered (shifted) using .graphicsLayer {} modifier and I assume that therefore they are not in the view hierarchy as they are "off screen".

To overcome that I now added a MarkerAccessibilityOverlay that renders simple invisible Boxes for each marker and layouts them above the visible markers.
In order to not impact production with that the whole overlay is only added when we're running UI tests (using an Intent flag to know if it's a UI test run)

Happy to share more if someone is interested.

[cwsiteplan]

one limitation i found now, is that we cannot assert on specific content of the marker still.
As accessibility overlay just represents a empty placeholder we can only assert if it's there or not.
The only thing is, we can encode some state in the accessiblity ID.

e.g. my marker has a label underneath - we can use a accessiblity id of marker:<label> to assert on.

[cwsiteplan]

another thing i just learned - you cannot have blanks in the testTag - so if you go for content/data in them, make sure to "serialize" properly

[p-lr]

Good to know, thanks!