Catch exceptions thrown by runChecked* when possible (#36109)

diff --git a/packages/flutter_tools/test/general.shard/android/android_device_test.dart b/packages/flutter_tools/test/general.shard/android/android_device_test.dart
index c439573..96c5632 100644
--- a/packages/flutter_tools/test/general.shard/android/android_device_test.dart
+++ b/packages/flutter_tools/test/general.shard/android/android_device_test.dart
@@ -10,6 +10,7 @@
 import 'package:flutter_tools/src/android/android_console.dart';
 import 'package:flutter_tools/src/android/android_device.dart';
 import 'package:flutter_tools/src/android/android_sdk.dart';
+import 'package:flutter_tools/src/application_package.dart';
 import 'package:flutter_tools/src/base/config.dart';
 import 'package:flutter_tools/src/base/file_system.dart';
 import 'package:flutter_tools/src/base/io.dart';
@@ -365,7 +366,7 @@
 
     testUsingContext('returns the generated host port from stdout', () async {
       when(mockProcessManager.run(argThat(contains('forward'))))
-      .thenAnswer((_) async => ProcessResult(0, 0, '456', ''));
+          .thenAnswer((_) async => ProcessResult(0, 0, '456', ''));
 
       expect(await forwarder.forward(123), equals(456));
     }, overrides: <Type, Generator>{
@@ -374,7 +375,7 @@
 
     testUsingContext('returns the supplied host port when stdout is empty', () async {
       when(mockProcessManager.run(argThat(contains('forward'))))
-      .thenAnswer((_) async => ProcessResult(0, 0, '', ''));
+          .thenAnswer((_) async => ProcessResult(0, 0, '', ''));
 
       expect(await forwarder.forward(123, hostPort: 456), equals(456));
     }, overrides: <Type, Generator>{
@@ -383,7 +384,7 @@
 
     testUsingContext('returns the supplied host port when stdout is the host port', () async {
       when(mockProcessManager.run(argThat(contains('forward'))))
-      .thenAnswer((_) async => ProcessResult(0, 0, '456', ''));
+          .thenAnswer((_) async => ProcessResult(0, 0, '456', ''));
 
       expect(await forwarder.forward(123, hostPort: 456), equals(456));
     }, overrides: <Type, Generator>{
@@ -392,12 +393,34 @@
 
     testUsingContext('throws an error when stdout is not blank nor the host port', () async {
       when(mockProcessManager.run(argThat(contains('forward'))))
-      .thenAnswer((_) async => ProcessResult(0, 0, '123456', ''));
+          .thenAnswer((_) async => ProcessResult(0, 0, '123456', ''));
 
       expect(forwarder.forward(123, hostPort: 456), throwsA(isInstanceOf<ProcessException>()));
     }, overrides: <Type, Generator>{
       ProcessManager: () => mockProcessManager,
     });
+
+    testUsingContext('forwardedPorts returns empty list when forward failed', () {
+      when(mockProcessManager.runSync(argThat(contains('forward'))))
+          .thenReturn(ProcessResult(0, 1, '', ''));
+
+      expect(forwarder.forwardedPorts, equals(const <ForwardedPort>[]));
+    }, overrides: <Type, Generator>{
+      ProcessManager: () => mockProcessManager,
+    });
+  });
+
+  group('lastLogcatTimestamp', () {
+    final ProcessManager mockProcessManager = MockProcessManager();
+    final AndroidDevice device = AndroidDevice('1234');
+
+    testUsingContext('returns null if shell command failed', () async {
+      when(mockProcessManager.runSync(argThat(contains('logcat'))))
+          .thenReturn(ProcessResult(0, 1, '', ''));
+      expect(device.lastLogcatTimestamp, isNull);
+    }, overrides: <Type, Generator>{
+      ProcessManager: () => mockProcessManager,
+    });
   });
 }
 
@@ -601,3 +624,10 @@
   @override
   void add(List<int> data) {}
 }
+
+class AndroidPackageTest extends ApplicationPackage {
+  AndroidPackageTest() : super(id: 'app-id');
+
+  @override
+  String get name => 'app-package';
+}
diff --git a/packages/flutter_tools/test/general.shard/application_package_test.dart b/packages/flutter_tools/test/general.shard/application_package_test.dart
index 620ee3f..a531335 100644
--- a/packages/flutter_tools/test/general.shard/application_package_test.dart
+++ b/packages/flutter_tools/test/general.shard/application_package_test.dart
@@ -129,6 +129,15 @@
         ),
       );
     }, overrides: overrides);
+
+    testUsingContext('returns null when failed to extract manifest', () async {
+      final AndroidSdkVersion sdkVersion = MockitoAndroidSdkVersion();
+      when(sdk.latestVersion).thenReturn(sdkVersion);
+      when(mockProcessManager.runSync(argThat(contains('logcat'))))
+          .thenReturn(ProcessResult(0, 1, '', ''));
+
+      expect(AndroidApk.fromApk(null), isNull);
+    }, overrides: overrides);
   });
 
   group('ApkManifestData', () {
diff --git a/packages/flutter_tools/test/general.shard/commands/version_test.dart b/packages/flutter_tools/test/general.shard/commands/version_test.dart
index 1e48004..304e3e0 100644
--- a/packages/flutter_tools/test/general.shard/commands/version_test.dart
+++ b/packages/flutter_tools/test/general.shard/commands/version_test.dart
@@ -6,6 +6,7 @@
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:flutter_tools/src/base/common.dart';
 import 'package:flutter_tools/src/base/io.dart';
 import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/commands/version.dart';
@@ -59,12 +60,29 @@
     }, overrides: <Type, Generator>{
       ProcessManager: () => MockProcessManager(),
     });
+
+    testUsingContext('exit tool if can\'t get the tags', () async {
+      final VersionCommand command = VersionCommand();
+
+      try {
+        await command.getTags();
+        fail('ToolExit expected');
+      } catch(e) {
+        expect(e, isInstanceOf<ToolExit>());
+      }
+    }, overrides: <Type, Generator>{
+      ProcessManager: () => MockProcessManager(failGitTag: true),
+    });
   });
 }
 
 class MockProcessManager extends Mock implements ProcessManager {
+  MockProcessManager({ this.failGitTag = false });
+
   String version = '';
 
+  bool failGitTag;
+
   @override
   Future<ProcessResult> run(
     List<dynamic> command, {
@@ -76,6 +94,9 @@
     Encoding stderrEncoding = systemEncoding,
   }) async {
     if (command[0] == 'git' && command[1] == 'tag') {
+      if (failGitTag) {
+        return ProcessResult(0, 1, '', '');
+      }
       return ProcessResult(0, 0, 'v10.0.0\r\nv20.0.0', '');
     }
     if (command[0] == 'git' && command[1] == 'checkout') {
diff --git a/packages/flutter_tools/test/general.shard/ios/code_signing_test.dart b/packages/flutter_tools/test/general.shard/ios/code_signing_test.dart
index 57a2242..a90b9b2 100644
--- a/packages/flutter_tools/test/general.shard/ios/code_signing_test.dart
+++ b/packages/flutter_tools/test/general.shard/ios/code_signing_test.dart
@@ -440,6 +440,62 @@
       Config: () => mockConfig,
       AnsiTerminal: () => testTerminal,
     });
+
+    testUsingContext('find-identity failure', () async {
+      when(mockProcessManager.runSync(<String>['which', 'security']))
+          .thenReturn(exitsHappy);
+      when(mockProcessManager.runSync(<String>['which', 'openssl']))
+          .thenReturn(exitsHappy);
+      when(mockProcessManager.runSync(
+          argThat(contains('find-identity')),
+            environment: anyNamed('environment'),
+            workingDirectory: anyNamed('workingDirectory'),
+          )).thenReturn(ProcessResult(0, 1, '', ''));
+
+      final Map<String, String> signingConfigs = await getCodeSigningIdentityDevelopmentTeam(iosApp: app);
+      expect(signingConfigs, isNull);
+    },
+    overrides: <Type, Generator>{
+      ProcessManager: () => mockProcessManager,
+      Config: () => mockConfig,
+      AnsiTerminal: () => testTerminal,
+    });
+
+    testUsingContext('find-certificate failure', () async {
+      when(mockProcessManager.runSync(<String>['which', 'security']))
+          .thenReturn(exitsHappy);
+      when(mockProcessManager.runSync(<String>['which', 'openssl']))
+          .thenReturn(exitsHappy);
+      when(mockProcessManager.runSync(
+          argThat(contains('find-identity')),
+            environment: anyNamed('environment'),
+            workingDirectory: anyNamed('workingDirectory'),
+          )).thenReturn(ProcessResult(
+            1, // pid
+            0, // exitCode
+            '''
+1) 86f7e437faa5a7fce15d1ddcb9eaeaea377667b8 "iPhone Developer: Profile 1 (1111AAAA11)"
+2) da4b9237bacccdf19c0760cab7aec4a8359010b0 "iPhone Developer: Profile 2 (2222BBBB22)"
+3) 5bf1fd927dfb8679496a2e6cf00cbe50c1c87145 "iPhone Developer: Profile 3 (3333CCCC33)"
+    3 valid identities found''',
+            '',
+          ));
+      mockTerminalStdInStream =
+          Stream<String>.fromFuture(Future<String>.value('3'));
+      when(mockProcessManager.runSync(
+        <String>['security', 'find-certificate', '-c', '3333CCCC33', '-p'],
+        environment: anyNamed('environment'),
+        workingDirectory: anyNamed('workingDirectory'),
+      )).thenReturn(ProcessResult(1, 1, '', '' ));
+
+      final Map<String, String> signingConfigs = await getCodeSigningIdentityDevelopmentTeam(iosApp: app);
+      expect(signingConfigs, isNull);
+    },
+    overrides: <Type, Generator>{
+      ProcessManager: () => mockProcessManager,
+      Config: () => mockConfig,
+      AnsiTerminal: () => testTerminal,
+    });
   });
 }
 
diff --git a/packages/flutter_tools/test/general.shard/ios/xcodeproj_test.dart b/packages/flutter_tools/test/general.shard/ios/xcodeproj_test.dart
index 9026ec0..b560538 100644
--- a/packages/flutter_tools/test/general.shard/ios/xcodeproj_test.dart
+++ b/packages/flutter_tools/test/general.shard/ios/xcodeproj_test.dart
@@ -143,6 +143,12 @@
           .thenReturn(ProcessResult(1, 0, 'Xcode 8.3.3\nBuild version 8E3004b', ''));
       expect(xcodeProjectInterpreter.isInstalled, isTrue);
     });
+
+    testUsingOsxContext('build settings is empty when xcodebuild failed to get the build settings', () {
+      when(mockProcessManager.runSync(argThat(contains(xcodebuild))))
+          .thenReturn(ProcessResult(0, 1, '', ''));
+      expect(xcodeProjectInterpreter.getBuildSettings('', ''), const <String, String>{});
+    });
   });
   group('Xcode project properties', () {
     test('properties from default project can be parsed', () {