get_state_test.dart
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import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:get/get.dart';
void main() {
Get.lazyPut<Controller2>(() => Controller2());
testWidgets("GetController smoke test", (testr) async {
await testr.pumpWidget(
MaterialApp(
home: GetBuilder<Controller>(
init: Controller(),
builder: (controller) => Column(
children: [
Text(
'${controller.counter}',
),
FlatButton(
child: Text("increment"),
onPressed: () => controller.increment(),
),
FlatButton(
child: Text("incrementWithId"),
onPressed: () => controller.incrementWithId(),
),
GetBuilder<Controller>(
id: '1',
didChangeDependencies: (_) {
print("didChangeDependencies called");
},
builder: (controller) {
return Text('id ${controller.counter}');
}),
GetBuilder<Controller2>(builder: (controller) {
return Text('lazy ${controller.test}');
}),
GetBuilder<ControllerNonGlobal>(
init: ControllerNonGlobal(),
global: false,
builder: (controller) {
return Text('single ${controller.nonGlobal}');
})
],
),
),
),
);
expect(find.text("0"), findsOneWidget);
Controller.to.increment();
await testr.pump();
expect(find.text("1"), findsOneWidget);
await testr.tap(find.text('increment'));
await testr.pump();
expect(find.text("2"), findsOneWidget);
await testr.tap(find.text('incrementWithId'));
await testr.pump();
expect(find.text("id 3"), findsOneWidget);
expect(find.text("lazy 0"), findsOneWidget);
expect(find.text("single 0"), findsOneWidget);
});
testWidgets(
"MixinBuilder with build null",
(WidgetTester testr) async {
expect(
() => GetBuilder<Controller>(
init: Controller(),
builder: null,
),
throwsAssertionError);
},
);
testWidgets(
"GetBuilder controller error",
(WidgetTester testr) async {
expect(() => ControllerError().callBuild(),
throwsA("build method can\'t be called"));
},
);
}
class Controller extends GetController {
static Controller get to => Get.find();
int counter = 0;
void increment() {
counter++;
update(this);
}
void incrementWithId() {
counter++;
update(this, ['1']);
}
}
class Controller2 extends GetController {
int test = 0;
}
class ControllerError extends GetController {
int test = 0;
callBuild() {
BuildContext context;
build(context);
}
}
class ControllerNonGlobal extends GetController {
int nonGlobal = 0;
}