TestTextInput state reset
The state of a
a stub for the system’s onscreen keyboard,
is now reset between tests.
The Flutter test framework uses a class called
to track and manipulate editing state in a widgets test.
Individual tests can make calls that modify the internal
state of this object, sometimes indirectly (such as
by setting their own handlers on
Subsequent tests might then check the state of
WidgetTester.testTextInput and get unexpected values.
Description of change
The state of
is now reset before running a
Tests that relied on dirty state from a previously run
test must be updated. For example, the following test,
'Controller can update server' test,
previously passed because of a combination of dirty state
from previous tests and a failure to actually set state
in cases where it should have been set.
Code before migration:
widgetsTest, before actually changing text on a
text editing widget, this call might have succeeded:
Code after migration:
Either remove the call entirely, or consider using the following to assert that the state hasn’t been modified yet:
Landed in version: 1.16.3
In stable release: 1.17