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As of the migration to Dart 2, it has been necessary to compile Dart to kernel prior to execution. The embedder currently requires that the resulting kernel file be named `kernel_blob.bin` and be located at the root of the assets directory passed to the embedder API. This patch updates the test_fixtures build rule to perform a kernel compile using frontend_server, outputting `kernel_blob.bin` to `fixtures/test_target_name` directory, and updates the embedder unittests to specify the kernel file rather than the Dart source file. Since the kernel compiler requires a `main()` function to be defined, it also updates `simple_main.dart` from runtime_unittests to define `main()` rather than `simple_main()`. This also updates all existing sub-targets to be testonly. This relands commit ac9e521a1ddbb99816a93d92ce9fb70e950b3763, which was reverted in commit 494112582932af98b282617d7a34b1fbb8c90307. Rather than running as prebuilt_dart_action, we use dart_action to ensure the frontend snapshot it compatible with the VM on which it's executed.
77 lines
2.1 KiB
Plaintext
77 lines
2.1 KiB
Plaintext
# Copyright 2013 The Flutter Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import("//third_party/dart/build/dart/dart_action.gni")
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# Builds test fixtures for a unit test.
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#
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# Generates a directory structure containing an assets directory and the Dart
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# code to execute compiled to kernel, emitted to assets/kernel_blob.bin.
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template("test_fixtures") {
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testonly = true
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assert(defined(invoker.fixtures), "Test fixtures must be specified.")
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fixtures_location = "$target_gen_dir/$target_name/assets"
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fixtures_location_file = "$target_gen_dir/$target_name/test_fixtures_location.cc"
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fixtures_name_target_name = target_name + "_gen_fixtures_name"
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action(fixtures_name_target_name) {
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script = "$flutter_root/testing/build/gen_fixtures_location_symbol.py"
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outputs = [
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fixtures_location_file,
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]
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args = [
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"--fixtures_location_file",
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rebase_path(fixtures_location_file),
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"--fixtures_location",
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rebase_path(fixtures_location),
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]
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}
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fixtures_source_set_target_name = target_name + "_gen_fixtures_source_set"
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source_set(fixtures_source_set_target_name) {
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testonly = true
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sources = [
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fixtures_location_file,
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]
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deps = [
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":$fixtures_name_target_name",
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]
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}
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fixtures_kernel_target_name = target_name + "_kernel"
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dart_action(fixtures_kernel_target_name) {
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testonly = true
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script = "$root_out_dir/frontend_server.dart.snapshot"
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fixture_paths = []
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foreach(fixture, invoker.fixtures) {
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fixture_paths += [ rebase_path(fixture) ]
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}
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inputs = fixture_paths
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outputs = ["$fixtures_location/kernel_blob.bin"]
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args = [
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"--sdk-root", rebase_path("$root_out_dir/flutter_patched_sdk"),
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"--target", "flutter",
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"--output-dill", rebase_path("$fixtures_location/kernel_blob.bin"),
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] + fixture_paths
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deps = [
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"//third_party/dart/utils/kernel-service:frontend_server"
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]
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}
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group(target_name) {
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testonly = true
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deps = [
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":$fixtures_kernel_target_name",
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":$fixtures_source_set_target_name",
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]
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}
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}
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