flutter/packages/flutter_tools
Helin Shiah cce6b3c5ae
Send text error in JSON and print in tools (#58284)
* Send text error in JSON and print in tools

* Add test for error text

* Fix analysis issues

* Move streamListen to try/catch and use global.printStatus

* Extract print error fn and listen for events in web runner

* Add extension listen request to test

* Update packages/flutter_tools/lib/src/resident_runner.dart

Co-authored-by: Jonah Williams <jonahwilliams@google.com>

* Rename error parsing method

* Allow crash if listen for extension stream fails

* Add test for error and non-error extension events

* Fix formatting for TextTreeRenderer

* Use shorter message for second exceptions

* Specify types for map

* Add empty JSON for resident_web_runner test

* Move stream listen to vmservice and add vmservice test

* Fix stream type

* Move structured error log definition to vmservice

* Use correct test matcher isNot

Co-authored-by: Jonah Williams <jonahwilliams@google.com>
2020-06-05 19:07:37 -07:00
..
bin [flutter_tools] remove zone level overrides of verbose and daemon logging (#57448) 2020-06-04 16:35:36 -07:00
doc Reland #53153 to attach to existing modules and apps for Android (#53289) 2020-03-25 16:45:49 -07:00
fuchsia_entrypoint_shim Add package_root for fuchsia_tools (#56077) 2020-05-04 18:49:01 -07:00
gradle Revert "Collect list of Android plugins from .flutter-plugins-dependencies (#57907)" (#58732) 2020-06-04 16:16:18 -07:00
ide_templates/intellij Move stocks example app into dev/benchmarks/test_apps (#49559) 2020-01-30 09:31:07 -08:00
lib Send text error in JSON and print in tools (#58284) 2020-06-05 19:07:37 -07:00
schema [flutter_tools] Don't generate native registrant classes if no pluginClass is defined (#53785) 2020-04-03 11:51:01 -07:00
static Implement screenshot test for flutter web. (#45530) 2019-12-06 14:25:39 -08:00
templates Revert "Build iOS apps using Swift Packages (#58522)" (#58549) 2020-06-02 19:00:12 -07:00
test Send text error in JSON and print in tools (#58284) 2020-06-05 19:07:37 -07:00
tool [flutter_tools] use package:test for coverage and remove build_runner test precompilation (#51966) 2020-03-04 17:12:58 -08:00
analysis_options.yaml Reland: [flutter_tool] Where possible, catch only subtypes of Exception (#52021) 2020-03-06 10:22:12 -08:00
BUILD.gn Add package_root for fuchsia_tools (#56077) 2020-05-04 18:49:01 -07:00
build.yaml Reland support flutter test on platform chrome (#33859) 2019-06-05 15:27:49 -07:00
dart_test.yaml Clean up test infrastructure (#43030) 2019-10-18 16:35:39 -07:00
pubspec.yaml Run flutter update-packages --force-upgrade. (#58104) 2020-05-30 00:13:33 +02:00
README.md remove outdated build_runner instructions (#54645) 2020-04-13 12:40:02 -07:00

Flutter Tools

This section of the Flutter repository contains the command line developer tools for building Flutter applications.

Working on Flutter Tools

Be sure to follow the instructions on CONTRIBUTING.md to set up your development environment. Further, familiarize yourself with the style guide, which we follow.

Setting up

First, ensure that the Dart SDK and other necessary artifacts are available by invoking the Flutter Tools wrapper script. In this directory run:

$ ../../bin/flutter --version

Running the Tool

To run Flutter Tools from source, in this directory run:

$ ../../bin/cache/dart-sdk/bin/dart bin/flutter_tools.dart

followed by command line arguments, as usual.

Running the analyzer

To run the analyzer on Flutter Tools, in this directory run:

$ ../../bin/flutter analyze

Writing tests

As with other parts of the Flutter repository, all changes in behavior must be tested. Tests live under the test/ subdirectory.

  • Hermetic unit tests of tool internals go under test/general.shard.
  • Tests of tool commands go under test/commands.shard. Hermetic tests go under its hermetic/ subdirectory. Non-hermetic tests go under its permeable sub-directory.
  • Integration tests (e.g. tests that run the tool in a subprocess) go under test/integration.shard.

In general, the tests for the code in a file called file.dart should go in a file called file_test.dart in the subdirectory that matches the behavior of the test.

We measure test coverage post-submit. A change that deletes code might decrease test coverage, however most changes that add new code should aim to increase coverage. In particular the coverage of the diff should be close to the average coverage, and should ideally be better.

Running the tests

To run the tests in the test/ directory, first ensure that there are no connected devices. Then, in this directory run:

$ ../../bin/cache/dart-sdk/bin/pub run test

The tests in test/integration.shard are slower to run than the tests in test/general.shard. To run only the tests in test/general.shard, in this directory run:

$ ../../bin/cache/dart-sdk/bin/pub run test test/general.shard

To run the tests in a specific file, run:

$ ../../bin/cache/dart-sdk/bin/pub run test test/general.shard/utils_test.dart

Forcing snapshot regeneration

To force the Flutter Tools snapshot to be regenerated, delete the following files:

$ rm ../../bin/cache/flutter_tools.stamp ../../bin/cache/flutter_tools.snapshot