Add validation infrastructure for "pub lish".

utils/tests/pub/pub_lish_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library pub_lish_test;
 
 import 'dart:io';
 import 'dart:json';
 
 import 'test_pub.dart';
@@ skipping 78 matching lines @@
 
     expectLater(pub.nextErrLine(), equals('OAuth2 authorization failed (your '
         'token sucks).'));
     expectLater(pub.nextLine(), equals('Pub needs your authorization to upload '
         'packages on your behalf.'));
     pub.kill();
 
     run();
   });
 
+  test('package validation has an error', () {
+    var package = package("test_pkg", "1.0.0");
+    package.remove("homepage");
+    dir(appPath, [pubspec(package)]).scheduleCreate();
+
+    var server = new ScheduledServer();
+    credentialsFile(server, 'access token').scheduleCreate();
+    var pub = startPubLish(server);
+    server.ignore('GET', '/packages/versions/new.json');
+
+    pub.shouldExit(1);
+    expectLater(pub.remainingStderr(), contains("Package validation failed."));
+
+    run();
+  });
+
+  test('package validation has a warning and is canceled', () {
+    var package = package("test_pkg", "1.0.0");
+    package["author"] = "Nathan Weizenbaum";
+    dir(appPath, [pubspec(package)]).scheduleCreate();
+
+    var server = new ScheduledServer();
+    credentialsFile(server, 'access token').scheduleCreate();
+    var pub = startPubLish(server);
+    server.ignore('GET', '/packages/versions/new.json');
+
+    pub.writeLine("n");
+    pub.shouldExit(1);
+    expectLater(pub.remainingStderr(), contains("Package upload canceled."));
+
+    run();
+  });
+
+  test('package validation has a warning and continues', () {
+    var package = package("test_pkg", "1.0.0");
+    package["author"] = "Nathan Weizenbaum";
+    dir(appPath, [pubspec(package)]).scheduleCreate();
+
+    var server = new ScheduledServer();
+    credentialsFile(server, 'access token').scheduleCreate();
+    var pub = startPubLish(server);
+    pub.writeLine("y");
+    handleUploadForm(server);
+    handleUpload(server);
+
+    server.handle('GET', '/create', (request, response) {
+      response.outputStream.writeString(JSON.stringify({
+        'success': {'message': 'Package test_pkg 1.0.0 uploaded!'}
+      }));
+      return closeHttpResponse(request, response);
+    });
+
+    pub.shouldExit(0);
+    expectLater(pub.remainingStdout(),
+        contains('Package test_pkg 1.0.0 uploaded!'));
+
+    run();
+  });
+
   test('upload form provides an error', () {
     var server = new ScheduledServer();
     credentialsFile(server, 'access token').scheduleCreate();
     var pub = startPubLish(server);
 
     server.handle('GET', '/packages/versions/new.json', (request, response) {
       response.statusCode = 400;
       response.outputStream.writeString(JSON.stringify({
         'error': {'message': 'your request sucked'}
       }));
@@ skipping 229 matching lines @@
       return closeHttpResponse(request, response);
     });
 
     expectLater(pub.nextErrLine(), equals('Invalid server response:'));
     expectLater(pub.nextErrLine(), equals(JSON.stringify(body)));
     pub.shouldExit(1);
 
     run();
   });
 }