[pigeon] Convert run_tests.sh to Dart (#3075)

* Remove test_pigeon_android, which is unused

* Update Dart unit test output names for consistency

* Simplify unit test generation

* Fold dart analysis tests into the dart unit test system, which already does analysis

* Move Java unit tests to Dart

* Remove more dead code, consolidate slightly

* Move legacy iOS unit tests to Dart

* Move command-line tests from bash to Dart

* Move default test set to Dart; eliminate sh

* Update docs reference to script

* Fix legacy iOS test

* Disable iOS integration tests

Author: stuartmorgan-g

.cirrus.yml

@@ -191,14 +191,12 @@ task:
           CHANNEL: "stable"
       << : *INSTALL_CHROME_LINUX
       local_tests_script:
-        # pigeon tests currently don't support Linux:
-        #   https://github.com/flutter/flutter/issues/100386
         # flutter_image
         #   https://github.com/flutter/flutter/issues/100387
         - if [[ "$CHANNEL" == "master" ]]; then
-        -   ./script/tool_runner.sh custom-test --exclude=pigeon
+        -   ./script/tool_runner.sh custom-test
         - else
-        -   ./script/tool_runner.sh custom-test --exclude=pigeon,flutter_image
+        -   ./script/tool_runner.sh custom-test --exclude=flutter_image
         - fi
     ### Web tasks ###
     - name: web-build_all_packages

packages/pigeon/CONTRIBUTING.md

@@ -34,7 +34,8 @@ generators with that AST.
 
 ## Testing Overview
 
-Pigeon has 3 types of tests, you'll find them all in [run_tests.sh](./run_tests.sh).
+Pigeon has 3 types of tests, you'll find them all in
+[run_tests.dart](./tool/run_tests.dart).
 
 * Unit tests - These are the fastest tests that are just typical unit tests,
   they may be generating code and checking it against a regular expression to

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/.gitignore

@@ -0,0 +1,9 @@
+# TODO(stuartmorgan) Remove this file when these are no longer generated;
+# see the TODO in _runFlutterUnitTests in run_tests.dart
+async_handlers.gen.dart
+host2flutter.gen.dart
+list.gen.dart
+void_arg_flutter.gen.dart
+void_arg_host.gen.dart
+voidflutter.gen.dart
+voidhost.gen.dart

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/all_datatypes.dart

@@ -6,7 +6,7 @@ import 'dart:async';
 
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter_unit_tests/null_safe_pigeon.dart';
+import 'package:flutter_unit_tests/flutter_unittests.gen.dart';
 import 'package:flutter_unit_tests/nullable_returns.gen.dart';
 import 'package:mockito/annotations.dart';
 import 'package:mockito/mockito.dart';

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/null_safe_pigeon.dart renamed to packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/flutter_unittests.gen.dart

@@ -4,7 +4,7 @@
 
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter_unit_tests/primitive.dart';
+import 'package:flutter_unit_tests/primitive.gen.dart';
 import 'package:mockito/annotations.dart';
 import 'package:mockito/mockito.dart';
 

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/primitive.dart renamed to packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/primitive.gen.dart

@@ -7,7 +7,7 @@ import 'dart:typed_data' as _i2;
 import 'dart:ui' as _i5;
 
 import 'package:flutter/src/services/binary_messenger.dart' as _i3;
-import 'package:flutter_unit_tests/primitive.dart' as _i6;
+import 'package:flutter_unit_tests/primitive.gen.dart' as _i6;
 import 'package:mockito/mockito.dart' as _i1;
 
 // ignore_for_file: comment_references