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immich/mobile/test/mock_http_override.dart

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import 'dart:io';
import 'package:immich_mobile/shared/ui/transparent_image.dart';
import 'package:mocktail/mocktail.dart';
/// Mocks the http client to always return a transparent image for all the requests. Only useful in widget
/// tests to return network images
class MockHttpOverrides extends HttpOverrides {
@override
HttpClient createHttpClient(SecurityContext? context) {
final client = _MockHttpClient();
final request = _MockHttpClientRequest();
final response = _MockHttpClientResponse();
final headers = _MockHttpHeaders();
// Client mocks
when(() => client.autoUncompress).thenReturn(true);
// Request mocks
when(() => request.headers).thenAnswer((_) => headers);
when(() => request.close())
.thenAnswer((_) => Future<HttpClientResponse>.value(response));
// Response mocks
when(() => response.statusCode).thenReturn(HttpStatus.ok);
when(() => response.compressionState)
.thenReturn(HttpClientResponseCompressionState.decompressed);
when(() => response.contentLength)
.thenAnswer((_) => kTransparentImage.length);
when(
() => response.listen(
captureAny(),
cancelOnError: captureAny(named: 'cancelOnError'),
onDone: captureAny(named: 'onDone'),
onError: captureAny(named: 'onError'),
),
).thenAnswer((invocation) {
final onData =
invocation.positionalArguments[0] as void Function(List<int>);
final onDone = invocation.namedArguments[#onDone] as void Function();
final onError = invocation.namedArguments[#onError] as void
Function(Object, [StackTrace]);
final cancelOnError = invocation.namedArguments[#cancelOnError] as bool;
return Stream<List<int>>.fromIterable([kTransparentImage.toList()])
.listen(
onData,
onDone: onDone,
onError: onError,
cancelOnError: cancelOnError,
);
});
return client;
}
}
class _MockHttpClient extends Mock implements HttpClient {}
class _MockHttpClientRequest extends Mock implements HttpClientRequest {}
class _MockHttpClientResponse extends Mock implements HttpClientResponse {}
class _MockHttpHeaders extends Mock implements HttpHeaders {}