[flutter_tools] add shuffle to hermetic run_tests (#105462)

Author: christopherfujino

packages/flutter_tools/test/commands.shard/hermetic/run_test.dart

@@ -4,12 +4,6 @@
 
 // @dart = 2.8
 
-// TODO(gspencergoog): Remove this tag once this test's state leaks/test
-// dependencies have been fixed.
-// https://github.com/flutter/flutter/issues/85160
-// Fails with "flutter test --test-randomize-ordering-seed=1000"
-@Tags(<String>['no-shuffle'])
-
 import 'dart:async';
 
 import 'package:file/file.dart';
@@ -405,7 +399,6 @@ void main() {
         Usage: () => usage,
       });
 
-
       testUsingContext('passes device target platform to usage', () async {
         final RunCommand command = RunCommand();
         final FakeDevice mockDevice = FakeDevice(sdkNameAndVersion: 'iOS 13')
@@ -431,7 +424,7 @@ void main() {
         expect(usage.commands, contains(
           TestUsageCommand('run', parameters: CustomDimensions.fromMap(<String, String>{
             'cd3': 'false', 'cd4': 'ios', 'cd22': 'iOS 13',
-            'cd23': 'debug', 'cd18': 'false', 'cd15': 'swift', 'cd31': 'false',
+            'cd23': 'debug', 'cd18': 'false', 'cd15': 'swift', 'cd31': 'true',
             'cd56': 'false',
           })
         )));
@@ -441,6 +434,7 @@ void main() {
         DeviceManager: () => mockDeviceManager,
         FileSystem: () => fs,
         ProcessManager: () => FakeProcessManager.any(),
+        Stdio: () => FakeStdio(),
         Usage: () => usage,
       });
 

packages/flutter_tools/test/src/fakes.dart

@@ -222,9 +222,9 @@ class MemoryStdout extends MemoryIOSink implements io.Stdout {
 
 /// A Stdio that collects stdout and supports simulated stdin.
 class FakeStdio extends Stdio {
-  final MemoryStdout _stdout = MemoryStdout();
+  final MemoryStdout _stdout = MemoryStdout()..terminalColumns = 80;
   final MemoryIOSink _stderr = MemoryIOSink();
-  final StreamController<List<int>> _stdin = StreamController<List<int>>();
+  final FakeStdin _stdin = FakeStdin();
 
   @override
   MemoryStdout get stdout => _stdout;
@@ -233,16 +233,52 @@ class FakeStdio extends Stdio {
   MemoryIOSink get stderr => _stderr;
 
   @override
-  Stream<List<int>> get stdin => _stdin.stream;
+  Stream<List<int>> get stdin => _stdin;
 
   void simulateStdin(String line) {
-    _stdin.add(utf8.encode('$line\n'));
+    _stdin.controller.add(utf8.encode('$line\n'));
   }
 
+  @override
+  bool hasTerminal = true;
+
   List<String> get writtenToStdout => _stdout.writes.map<String>(_stdout.encoding.decode).toList();
   List<String> get writtenToStderr => _stderr.writes.map<String>(_stderr.encoding.decode).toList();
 }
 
+class FakeStdin extends Fake implements Stdin {
+  final StreamController<List<int>> controller = StreamController<List<int>>();
+
+  @override
+  bool echoMode = true;
+
+  @override
+  bool echoNewlineMode = true;
+
+  @override
+  bool lineMode = true;
+
+  @override
+  Stream<S> transform<S>(StreamTransformer<List<int>, S> transformer) {
+    return controller.stream.transform(transformer);
+  }
+
+  @override
+  StreamSubscription<List<int>> listen(
+    void Function(List<int> event)? onData, {
+    Function? onError,
+    void Function()? onDone,
+    bool? cancelOnError,
+  }) {
+    return controller.stream.listen(
+      onData,
+      onError: onError,
+      onDone: onDone,
+      cancelOnError: cancelOnError,
+    );
+  }
+}
+
 class FakePlistParser implements PlistParser {
   FakePlistParser([Map<String, Object>? underlyingValues]):
     _underlyingValues = underlyingValues ?? <String, Object>{};