Add appengine/gcloud/mustache dependencies.

pkg/gcloud/test/db/e2e/metamodel_test_impl.dart

+// Copyright (c) 2014, 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 metamodel_test;
+
+import 'dart:async';
+
+import 'package:unittest/unittest.dart';
+
+import 'package:gcloud/datastore.dart';
+import 'package:gcloud/datastore.dart' show Key, Query, Partition;
+import 'package:gcloud/db.dart' as db;
+import 'package:gcloud/db/metamodel.dart';
+
+List<Entity> buildEntitiesWithDifferentNamespaces() {
+  newKey(String namespace, String kind, int id) {
+    var partition = new Partition(namespace);
+    return new Key([new KeyElement(kind, id)], partition: partition);
+  }
+
+  newEntity(String namespace, String kind, {int id: 1}) {
+    return new Entity(newKey(namespace, kind, id), {'ping': 'pong'});
+  }
+
+  return [
+    newEntity(null, 'NullKind', id: 1),
+    newEntity(null, 'NullKind', id: 2),
+    newEntity(null, 'NullKind2', id: 1),
+    newEntity(null, 'NullKind2', id: 2),
+
+    newEntity('FooNamespace', 'FooKind', id: 1),
+    newEntity('FooNamespace', 'FooKind', id: 2),
+    newEntity('FooNamespace', 'FooKind2', id: 1),
+    newEntity('FooNamespace', 'FooKind2', id: 2),
+
+    newEntity('BarNamespace', 'BarKind', id: 1),
+    newEntity('BarNamespace', 'BarKind', id: 2),
+    newEntity('BarNamespace', 'BarKind2', id: 1),
+    newEntity('BarNamespace', 'BarKind2', id: 2),
+  ];
+}
+
+Future sleep(Duration duration) {
+  var completer = new Completer();
+  new Timer(duration, completer.complete);
+  return completer.future;
+}
+
+runTests(datastore, db.DatastoreDB store) {
+  // Shorten this name, so we don't have to break lines at 80 chars.
+  final cond = predicate;
+
+  group('e2e_db_metamodel', () {
+    test('namespaces__insert_lookup_delete', () {
+      var entities = buildEntitiesWithDifferentNamespaces();
+      var keys = entities.map((e) => e.key).toList();
+
+      return datastore.commit(inserts: entities).then((_) {
+        return sleep(const Duration(seconds: 10)).then((_) {
+          var namespaceQuery = store.query(Namespace);
+          return namespaceQuery.run().toList()
+              .then((List<Namespace> namespaces) {
+            expect(namespaces.length, 3);
+            expect(namespaces, contains(cond((ns) => ns.name == null)));
+            expect(namespaces,
+                   contains(cond((ns) => ns.name == 'FooNamespace')));
+            expect(namespaces,
+                   contains(cond((ns) => ns.name == 'BarNamespace')));
+
+            var futures = [];
+            for (var namespace in namespaces) {
+              var partition = store.newPartition(namespace.name);
+              var kindQuery = store.query(Kind, partition: partition);
+              futures.add(kindQuery.run().toList().then((List<Kind> kinds) {
+                expect(kinds.length, greaterThanOrEqualTo(2));
+                if (namespace.name == null) {
+                  expect(kinds, contains(cond((k) => k.name == 'NullKind')));
+                  expect(kinds, contains(cond((k) => k.name == 'NullKind2')));
+                } else if (namespace.name == 'FooNamespace') {
+                  expect(kinds, contains(cond((k) => k.name == 'FooKind')));
+                  expect(kinds, contains(cond((k) => k.name == 'FooKind2')));
+                } else if (namespace.name == 'BarNamespace') {
+                  expect(kinds, contains(cond((k) => k.name == 'BarKind')));
+                  expect(kinds, contains(cond((k) => k.name == 'BarKind2')));
+                }
+              }));
+            }
+            return Future.wait(futures).then((_) {
+              expect(datastore.commit(deletes: keys), completes);
+            });
+          });
+        });
+      });
+    });
+  });
+}
+