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      1 //
      2 // Copyright (C) 2010 The Android Open Source Project
      3 //
      4 // Licensed under the Apache License, Version 2.0 (the "License");
      5 // you may not use this file except in compliance with the License.
      6 // You may obtain a copy of the License at
      7 //
      8 //      http://www.apache.org/licenses/LICENSE-2.0
      9 //
     10 // Unless required by applicable law or agreed to in writing, software
     11 // distributed under the License is distributed on an "AS IS" BASIS,
     12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 // See the License for the specific language governing permissions and
     14 // limitations under the License.
     15 //
     16 
     17 #include "update_engine/common/action.h"
     18 
     19 #include <gtest/gtest.h>
     20 #include <string>
     21 #include "update_engine/common/action_processor.h"
     22 
     23 using std::string;
     24 
     25 namespace chromeos_update_engine {
     26 
     27 using chromeos_update_engine::ActionPipe;
     28 
     29 class ActionTestAction;
     30 
     31 template<>
     32 class ActionTraits<ActionTestAction> {
     33  public:
     34   typedef string OutputObjectType;
     35   typedef string InputObjectType;
     36 };
     37 
     38 // This is a simple Action class for testing.
     39 class ActionTestAction : public Action<ActionTestAction> {
     40  public:
     41   typedef string InputObjectType;
     42   typedef string OutputObjectType;
     43   ActionPipe<string>* in_pipe() { return in_pipe_.get(); }
     44   ActionPipe<string>* out_pipe() { return out_pipe_.get(); }
     45   ActionProcessor* processor() { return processor_; }
     46   void PerformAction() {}
     47   void CompleteAction() {
     48     ASSERT_TRUE(processor());
     49     processor()->ActionComplete(this, ErrorCode::kSuccess);
     50   }
     51   string Type() const { return "ActionTestAction"; }
     52 };
     53 
     54 class ActionTest : public ::testing::Test { };
     55 
     56 // This test creates two simple Actions and sends a message via an ActionPipe
     57 // from one to the other.
     58 TEST(ActionTest, SimpleTest) {
     59   ActionTestAction action;
     60 
     61   EXPECT_FALSE(action.in_pipe());
     62   EXPECT_FALSE(action.out_pipe());
     63   EXPECT_FALSE(action.processor());
     64   EXPECT_FALSE(action.IsRunning());
     65 
     66   ActionProcessor action_processor;
     67   action_processor.EnqueueAction(&action);
     68   EXPECT_EQ(&action_processor, action.processor());
     69 
     70   action_processor.StartProcessing();
     71   EXPECT_TRUE(action.IsRunning());
     72   action.CompleteAction();
     73   EXPECT_FALSE(action.IsRunning());
     74 }
     75 
     76 }  // namespace chromeos_update_engine
     77