Merge pull request #7 from QuirijnGB/test-command

Add test command

Author: klavs

README.md

@@ -47,7 +47,8 @@ Available commands:
   exec      Execute any command.
   fmt       Run formatter.
   pub       Run pub.
-  pubspec   Update pubspec.yaml
+  pubspec   Update pubspec.yaml.
+  test      Run tests.
 ``` 
 
 `pubspec` has 3 subcommands:

bin/multipack.dart

@@ -1,8 +1,8 @@
 import "dart:io";
 
 import "package:args/command_runner.dart";
-import "package:multipack/package.dart";
 import "package:multipack/commands.dart";
+import "package:multipack/package.dart";
 
 void main(List<String> arguments) async {
   final dependencyGraph = await getPackageGraph(Directory.current);
@@ -51,6 +51,7 @@ void main(List<String> arguments) async {
   runner.addCommand(AnalyzeCommand(orderedPackages));
   runner.addCommand(ExecCommand(orderedPackages));
   runner.addCommand(PubspecCommand(orderedPackages));
+  runner.addCommand(TestCommand(orderedPackages));
 
   await runner.run(arguments);
 }

lib/commands.dart

@@ -9,3 +9,4 @@ export "commands/fmt.dart";
 export "commands/info.dart";
 export "commands/pub.dart";
 export "commands/pubspec.dart";
+export "commands/test.dart";

lib/commands/test.dart

@@ -0,0 +1,19 @@
+import "dart:async";
+
+import "package:multipack/commands/common.dart";
+import "package:multipack/package.dart";
+
+class TestCommand extends PassthroughCommand {
+  TestCommand(List<Package> packages)
+      : super(
+          "test",
+          "Run tests.",
+          packages,
+        );
+
+  @override
+  FutureOr<int> runOnPackage(Package package) => package.test(
+        argResults.arguments,
+        nameWidth: nameWidth,
+      );
+}

lib/package.dart

@@ -3,10 +3,10 @@ library package;
 
 import "dart:io";
 
+import "package:ansicolor/ansicolor.dart";
 import "package:directed_graph/directed_graph.dart";
 import "package:meta/meta.dart";
 import "package:pubspec/pubspec.dart";
-import "package:ansicolor/ansicolor.dart";
 
 final mpPen = AnsiPen()
   ..xterm(89, bg: true)
@@ -137,6 +137,21 @@ class Package {
     );
   }
 
+  Future<int> test(
+    List<String> args, {
+    int nameWidth,
+  }) {
+    final executable = isFlutter ? "flutter" : "dart";
+
+    final arguments = isFlutter ? ["test", ...args] : ["test", ...args];
+
+    return run(
+      executable,
+      arguments,
+      nameWidth: nameWidth,
+    );
+  }
+
   @override
   String toString() => name;
 }