added first tests for control system adapter variables

tests/executables_src/testControlSystemAccessors.cc

+/*
+ * testControlSystemAccessors.cc
+ *
+ *  Created on: Jun 23, 2016
+ *      Author: Martin Hierholzer
+ */
+
+#include <future>
+
+#define BOOST_TEST_MODULE testControlSystemAccessors
+
+#include <boost/test/included/unit_test.hpp>
+#include <boost/test/test_case_template.hpp>
+#include <boost/mpl/list.hpp>
+
+#include <ControlSystemAdapter/PVManager.h>
+#include <ControlSystemAdapter/ControlSystemPVManager.h>
+#include <ControlSystemAdapter/DevicePVManager.h>
+
+#include "ScalarAccessor.h"
+#include "ApplicationModule.h"
+
+using namespace boost::unit_test_framework;
+namespace ctk = ChimeraTK;
+
+// list of user types the accessors are tested with
+typedef boost::mpl::list<int8_t,uint8_t,
+                         int16_t,uint16_t,
+                         int32_t,uint32_t,
+                         float,double>        test_types;
+
+/*********************************************************************************************************************/
+/* the ApplicationModule for the test is a template of the user type */
+
+template<typename T>
+class TestModule : public ctk::ApplicationModule {
+  public:
+
+    SCALAR_INPUT(T, consumer, "MV/m", ctk::UpdateMode::push);
+    SCALAR_OUTPUT(T, feeder, "MV/m");
+
+    void mainLoop() {}
+};
+
+/*********************************************************************************************************************/
+/* dummy application */
+
+class TestApplication : public ctk::Application {
+  public:
+    using Application::Application;
+    using Application::makeConnections;     // we call makeConnections() manually in the tests to catch exceptions etc.
+    void initialise() {}                    // the setup is done in the tests
+};
+
+/*********************************************************************************************************************/
+/* test feeding a scalar to the control system adapter */
+
+BOOST_AUTO_TEST_CASE_TEMPLATE( testFeedToCS, T, test_types ) {
+
+  TestApplication app("Test Suite");
+  TestModule<T> testModule;
+
+  auto pvManagers = mtca4u::createPVManager();
+  app.setPVManager(pvManagers.second);
+
+  testModule.feeder.feedToControlSystem("myFeeder");
+  app.makeConnections();
+
+  BOOST_CHECK_EQUAL(pvManagers.first->getAllProcessVariables().size(), 1);
+  auto myFeeder = pvManagers.first->getProcessScalar<T>("myFeeder");
+
+  testModule.feeder = 42;
+  BOOST_CHECK_EQUAL(myFeeder->receive(), false);
+  testModule.feeder.write();
+  BOOST_CHECK_EQUAL(myFeeder->receive(), true);
+  BOOST_CHECK_EQUAL(myFeeder->receive(), false);
+  BOOST_CHECK(*myFeeder == 42);
+
+  testModule.feeder = 120;
+  BOOST_CHECK_EQUAL(myFeeder->receive(), false);
+  testModule.feeder.write();
+  BOOST_CHECK_EQUAL(myFeeder->receive(), true);
+  BOOST_CHECK_EQUAL(myFeeder->receive(), false);
+  BOOST_CHECK(*myFeeder == 120);
+
+}
+
+/*********************************************************************************************************************/
+/*test consuming a scalar from the control system adapter */
+
+BOOST_AUTO_TEST_CASE_TEMPLATE( testConsumeFromCS, T, test_types ) {
+
+  TestApplication app("Test Suite");
+  TestModule<T> testModule;
+
+  auto pvManagers = mtca4u::createPVManager();
+  app.setPVManager(pvManagers.second);
+
+  testModule.consumer.consumeFromControlSystem("myConsumer");
+  app.makeConnections();
+
+  BOOST_CHECK_EQUAL(pvManagers.first->getAllProcessVariables().size(), 1);
+  auto myConsumer = pvManagers.first->getProcessScalar<T>("myConsumer");
+
+  *myConsumer = 42;
+  myConsumer->send();
+  testModule.consumer.read();
+  BOOST_CHECK(testModule.consumer == 42);
+
+  *myConsumer = 120;
+  myConsumer->send();
+  testModule.consumer.read();
+  BOOST_CHECK(testModule.consumer == 120);
+
+}
+