test_environment.h

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#pragma once
#include <gtest/gtest.h>
#include <type_traits>
#include "mock_server.h"
#include "mock_holder.h"
#include "port_searcher.h"
 
 
namespace httpmock {
 
 
template <class HTTPMock>
class TestEnvironment: public ::testing::Environment {
    HTTPMock httpServer;
  public:
    TestEnvironment()
      : httpServer()
    {
        static_assert(std::is_base_of<MockServer, HTTPMock>::value,
                      "An instance derived from httpmock::MockServer required!");
    }
 
    TestEnvironment(HTTPMock &&mock)
      : httpServer(std::move(mock))
    {
        // We want an interface of the IMockServer to be fulfilled.
        static_assert(std::is_base_of<IMockServer, HTTPMock>::value,
                      "An instance derived from httpmock::IMockServer required!");
    }
 
    virtual ~TestEnvironment() {}
 
    virtual void SetUp() {
        if (not httpServer.isRunning()) {
            httpServer.start();
        }
    }
 
    virtual void TearDown() {
        httpServer.stop();
    }
 
    const HTTPMock &getMock() const {
        return httpServer;
    }
};
 
 
template <typename HTTPMock>
::testing::Environment *createMockServerEnvironment(
        unsigned startPort = 8080, unsigned tryCount = 1000)
{
    return new TestEnvironment<MockServerHolder>(
            getFirstRunningMockServer<HTTPMock>(startPort, tryCount));
}
 
 
 
} // namespace httpmock