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Custom error codes on the plugin side #28

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Merged
merged 2 commits into from
Aug 22, 2019
Merged

Custom error codes on the plugin side #28

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647aef9
Custom error codes on the plugin side
davidmartos96 Aug 22, 2019
c58fadc
change plugin error method
pchampio Aug 22, 2019
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5 changes: 5 additions & 0 deletions plugin_tutorial/go-plugin-example/complex/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ func (p *Example) InitPlugin(messenger plugin.BinaryMessenger) error {

p.channel = plugin.NewMethodChannel(messenger, "instance.id/go/data", plugin.StandardMethodCodec{})
p.channel.HandleFunc("getData", getRemotesFunc)
p.channel.HandleFunc("getError", getErrorFunc)
p.channel.CatchAllHandleFunc(p.catchAllTest)

return nil
Expand Down Expand Up @@ -64,3 +65,7 @@ func getRemotesFunc(arguments interface{}) (reply interface{}, err error) {

return sectionList, nil
}

func getErrorFunc(arguments interface{}) (reply interface{}, err error) {
return nil, plugin.NewError("customErrorCode", errors.New("Some error"))
}
46 changes: 29 additions & 17 deletions plugin_tutorial/lib/main_desktop.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -21,26 +21,38 @@ void main() async {
print(batteryLevel);
});

// A more complicated plugin
//
test('Test StandardMethodCodec array of map', () async {
group('Complex plugin', () {
const platform_complex_structure =
const MethodChannel('instance.id/go/data');

final List<dynamic> result = await platform_complex_structure.invokeMethod(
'getData', "HelloFromDart"); // passing "HelloFromDart" as an argument
expect(result, [
{"instanceid": 1023, "pcbackup": "test", "brbackup": "test2"},
{"instanceid": 1024, "pcbackup": "test", "brbackup": "test2"},
{"instanceid": 1056, "pcbackup": "coucou", "brbackup": "coucou2"},
{"instanceid": 3322, "pcbackup": "finaly", "brbackup": "finaly2"}
]);

// golang can return the random methodName
final String methodName = 'test/' + new Random().nextInt(100000).toString();
final String resultPathPrefix =
await platform_complex_structure.invokeMethod(methodName);
expect(resultPathPrefix, methodName);
// A more complicated plugin
test('Test StandardMethodCodec array of map', () async {
final List<dynamic> result =
await platform_complex_structure.invokeMethod('getData',
"HelloFromDart"); // passing "HelloFromDart" as an argument
expect(result, [
{"instanceid": 1023, "pcbackup": "test", "brbackup": "test2"},
{"instanceid": 1024, "pcbackup": "test", "brbackup": "test2"},
{"instanceid": 1056, "pcbackup": "coucou", "brbackup": "coucou2"},
{"instanceid": 3322, "pcbackup": "finaly", "brbackup": "finaly2"}
]);

// golang can return the random methodName
final String methodName =
'test/' + new Random().nextInt(100000).toString();
final String resultPathPrefix =
await platform_complex_structure.invokeMethod(methodName);
expect(resultPathPrefix, methodName);
});

test('Custom errors', () async {
var matcher = predicate(
(e) => e is PlatformException && e.code == "customErrorCode");
expect(
platform_complex_structure.invokeMethod('getError'),
throwsA(matcher),
);
});
});

tearDownAll(() async {
Expand Down