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Reland of #134031. (Reverted in #135069.) Contains the fix for b/301051367 together with cl/567233346. Support for FFI calls with `@Native external` functions through Native assets on Linux. This enables bundling native code without any build-system boilerplate code. For more info see: * https://github.com/flutter/flutter/issues/129757 ### Implementation details for Linux. Mainly follows the design of https://github.com/flutter/flutter/pull/130494. Some differences are: * Linux does not support cross compiling or compiling for multiple architectures, so this has not been implemented. * Linux has no add2app. The assets copying is done in the install-phase of the CMake build of a flutter app. CMake requires the native assets folder to exist, so we create it also when the feature is disabled or there are no assets. ### Tests This PR adds new tests to cover the various use cases. * packages/flutter_tools/test/general.shard/linux/native_assets_test.dart * Unit tests the Linux-specific part of building native assets. It also extends various existing tests: * packages/flutter_tools/test/integration.shard/native_assets_test.dart * Runs (incl hot reload/hot restart), builds, builds frameworks for Linux and flutter-tester. |
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| .. | ||
| debug_adapter | ||
| test_data | ||
| analyze_all_templates_test.dart | ||
| analyze_once_test.dart | ||
| analyze_size_test.dart | ||
| analyze_suggestions_integration_test.dart | ||
| android_e2e_api_test.dart | ||
| android_gradle_java_version_test.dart | ||
| android_gradle_outputs_app_link_settings_test.dart | ||
| android_gradle_print_build_variants_test.dart | ||
| android_plugin_compilesdkversion_mismatch_test.dart | ||
| android_plugin_example_app_build_test.dart | ||
| android_plugin_ndkversion_mismatch_test.dart | ||
| android_plugin_new_output_dir_test.dart | ||
| background_isolate_test.dart | ||
| bash_entrypoint_test.dart | ||
| batch_entrypoint_test.dart | ||
| break_on_framework_exceptions_test.dart | ||
| build_ios_config_only_test.dart | ||
| build_macos_config_only_test.dart | ||
| cache_test.dart | ||
| command_output_test.dart | ||
| coverage_collection_test.dart | ||
| daemon_mode_test.dart | ||
| debugger_stepping_test.dart | ||
| deferred_components_test.dart | ||
| deprecated_gradle_settings_test.dart | ||
| devtools_uri_test.dart | ||
| downgrade_upgrade_integration_test.dart | ||
| exit_code_test.dart | ||
| expression_evaluation_test.dart | ||
| flutter_attach_test.dart | ||
| flutter_build_android_app_project_builddir_test.dart | ||
| flutter_build_apk_verbose_test.dart | ||
| flutter_build_config_only_test.dart | ||
| flutter_build_preview_sdk.dart | ||
| flutter_build_wasm_test.dart | ||
| flutter_build_windows_test.dart | ||
| flutter_build_with_compilation_error_test.dart | ||
| flutter_gen_test.dart | ||
| flutter_run_test.dart | ||
| flutter_run_with_error_test.dart | ||
| forbidden_imports_test.dart | ||
| gen_l10n_test.dart | ||
| gradle_non_android_plugin_test.dart | ||
| hot_reload_errors_test.dart | ||
| hot_reload_test.dart | ||
| hot_reload_with_asset_test.dart | ||
| lifetime_test.dart | ||
| multidex_build_test.dart | ||
| native_assets_test.dart | ||
| observatory_port_test.dart | ||
| overall_experience_test.dart | ||
| plist_parser_test.dart | ||
| README.md | ||
| shader_compiler_test.dart | ||
| stateless_stateful_hot_reload_test.dart | ||
| template_manifest_test.dart | ||
| test_driver.dart | ||
| test_test.dart | ||
| test_utils.dart | ||
| timeline_test.dart | ||
| tool_backend_test.dart | ||
| transition_test_utils.dart | ||
| unit_coverage_test.dart | ||
| variable_expansion_windows_test.dart | ||
| variable_expansion_windows.dart | ||
| vmservice_integration_test.dart | ||
| web_plugin_registrant_test.dart | ||
| xcode_backend_test.dart | ||
Integration tests
These tests are not hermetic, and use the actual Flutter SDK. While
they don't require actual devices, they run flutter_tester to test
Dart VM and Flutter integration.
Use this command to run (from the flutter_tools directory):
../../bin/cache/dart-sdk/bin/dart run test test/integration.shard
You need to have downloaded the Dart SDK in your Flutter clone for this
to work. Running ../../bin/flutter will automatically download it.
Coverage exclusion
These tests are expensive to run and do not give meaningful coverage
information for the flutter tool (since they are black-box tests that
run the tool as a subprocess, rather than being unit tests). For this
reason, they are in a separate shard when running on continuous
integration and are not run when calculating coverage.