Global Resource Coordinator: Basic service internals

services/resource_coordinator/resource_coordinator_service_unittest.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <memory>
+
+#include "base/macros.h"
+#include "base/run_loop.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "services/resource_coordinator/public/interfaces/coordination_unit_provider.mojom.h"
+#include "services/resource_coordinator/public/interfaces/service_constants.mojom.h"
+#include "services/service_manager/public/cpp/service.h"
+#include "services/service_manager/public/cpp/service_test.h"
+
+namespace resource_coordinator {
+
+class ResourceCoordinatorTest : public service_manager::test::ServiceTest,
+                                public mojom::PolicyCallback {
+ public:
+  ResourceCoordinatorTest()
+      : service_manager::test::ServiceTest("resource_coordinator_unittests"),
+        binding_(this) {}
+  ~ResourceCoordinatorTest() override {}
+
+ protected:
+  void SetUp() override {
+    service_manager::test::ServiceTest::SetUp();
+    resource_coordinator_connection_ =
+        connector()->Connect(mojom::kServiceName);
+  }
+
+  mojom::PolicyCallbackPtr GetPolicyCallback() {
+    return binding_.CreateInterfacePtrAndBind();
+  }
+
+  void QuitOnPolicyCallback(base::RunLoop* loop) { loop_ = loop; }
+
+ private:
+  // mojom::PolicyCallback:
+  void SetPolicy(resource_coordinator::mojom::PolicyPtr policy) override {
+    loop_->Quit();
+  }
+
+  mojo::Binding<mojom::PolicyCallback> binding_;
+  base::RunLoop* loop_ = nullptr;
+  std::unique_ptr<service_manager::Connection> resource_coordinator_connection_;
+
+  DISALLOW_COPY_AND_ASSIGN(ResourceCoordinatorTest);
+};
+
+TEST_F(ResourceCoordinatorTest, ResourceCoordinatorInstantiate) {
+  mojom::CoordinationUnitProviderPtr provider;
+  connector()->BindInterface(mojom::kServiceName, mojo::MakeRequest(&provider));
+
+  CoordinationUnitID new_id(CoordinationUnitType::WEBCONTENTS, "test_id");
+  mojom::CoordinationUnitPtr coordination_unit;
+  provider->CreateCoordinationUnit(mojo::MakeRequest(&coordination_unit),
+                                   new_id);
+
+  coordination_unit->SetPolicyCallback(GetPolicyCallback());
+
+  base::RunLoop loop;
+  QuitOnPolicyCallback(&loop);
+  loop.Run();
+}
+
+}  // namespace resource_coordinator