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WIP: Consume BackgroundProcessTool from ddev #24

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WIP: Consume BackgroundProcessTool from ddev #24

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6 changes: 6 additions & 0 deletions pubspec.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,12 @@ homepage: https://github.com/Workiva/sockjs_client_wrapper
environment:
sdk: '>=2.4.0 <3.0.0'

dependency_overrides:
dart_dev:
git:
url: [email protected]:Workiva/dart_dev.git
ref: background_process_tool

dependencies:
js: ^0.6.1
w_common: ^1.20.1
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65 changes: 9 additions & 56 deletions tool/dart_dev/config.dart
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Expand Up @@ -12,68 +12,21 @@
// See the License for the specific language governing permissions and
// limitations under the License.

import 'dart:async';
import 'dart:io';

import 'package:dart_dev/dart_dev.dart';

final config = {
final Map<String, DevTool> config = {
...coreConfig,
'test': CompoundTool()
..addTool(DevTool.fromFunction(startTestServer), alwaysRun: true)
..addTool(_testServer.starter, alwaysRun: true)
..addTool(TestTool(), argMapper: takeAllArgs)
..addTool(DevTool.fromFunction(stopTestServer), alwaysRun: true),
..addTool(_testServer.stopper, alwaysRun: true),
'serve': CompoundTool()
..addTool(DevTool.fromFunction(startExampleServer), alwaysRun: true)
..addTool(_exampleServer.starter, alwaysRun: true)
..addTool(WebdevServeTool()..webdevArgs = ['example:8080'])
..addTool(DevTool.fromFunction(stopExampleServer), alwaysRun: true),
..addTool(_exampleServer.stopper, alwaysRun: true),
};

Process _exampleServer;
Process _testServer;

Future<int> startExampleServer(DevToolExecutionContext _) async {
_exampleServer = await Process.start('node', ['example/server.js'],
mode: ProcessStartMode.inheritStdio);
return firstOf([
// Exit early if it fails to start,
_exampleServer.exitCode,
// otherwise just wait a little bit to ensure it starts up completely.
Future.delayed(Duration(seconds: 2)).then((_) => 0),
]);
}

Future<int> stopExampleServer(DevToolExecutionContext _) async {
_exampleServer?.kill();
await _exampleServer.exitCode;
return 0;
}

Future<int> startTestServer(DevToolExecutionContext _) async {
_testServer = await Process.start('node', ['tool/server.js'],
mode: ProcessStartMode.inheritStdio);
return firstOf([
// Exit early if it fails to start,
_testServer.exitCode,
// otherwise just wait a little bit to ensure it starts up completely.
Future.delayed(Duration(seconds: 2)).then((_) => 0),
]);
}

Future<int> stopTestServer(DevToolExecutionContext _) async {
_testServer?.kill();
await _testServer.exitCode;
return 0;
}

Future<T> firstOf<T>(Iterable<Future<T>> futures) {
final c = Completer<T>();
for (final future in futures) {
future.then((v) {
if (!c.isCompleted) {
c.complete(v);
}
}).catchError(c.completeError);
}
return c.future;
}
final _exampleServer = ProcessTool('node', ['example/server.js'])
.backgrounded(startAfterDelay: Duration(seconds: 2));
final _testServer = ProcessTool('node', ['tool/server.js'])
.backgrounded(startAfterDelay: Duration(seconds: 2));