composite_test.cc

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#include <gtest/gtest.h>
#include <ifopt/composite.h>


namespace ifopt {

class ExComponent : public Component {
public:
  ExComponent(int n_var, const std::string& name) : Component(n_var, name) {};

  virtual VectorXd GetValues()   const { throw std::runtime_error("not implemented");};
  virtual VecBound GetBounds()   const { throw std::runtime_error("not implemented");};
  virtual Jacobian GetJacobian() const { throw std::runtime_error("not implemented");};
  virtual void SetVariables(const VectorXd& x) {};
};

} // namespace opt


using namespace ifopt;

TEST(Component, GetRows)
{
  ExComponent c(2, "ex_component");
  EXPECT_EQ(2, c.GetRows());

  c.SetRows(4);
  EXPECT_EQ(4, c.GetRows());
}


TEST(Component, GetName)
{
  ExComponent c(2, "ex_component");
  EXPECT_STREQ("ex_component", c.GetName().c_str());
}


TEST(Composite, GetRowsCost)
{
  auto c1 = std::make_shared<ExComponent>(0, "component1");
  auto c2 = std::make_shared<ExComponent>(1, "component2");
  auto c3 = std::make_shared<ExComponent>(2, "component3");

  Composite cost("cost", true);
  cost.AddComponent(c1);
  cost.AddComponent(c2);
  cost.AddComponent(c3);
  EXPECT_EQ(1, cost.GetRows());
}


TEST(Composite, GetRowsConstraint)
{
  auto c1 = std::make_shared<ExComponent>(0, "component1");
  auto c2 = std::make_shared<ExComponent>(1, "component2");
  auto c3 = std::make_shared<ExComponent>(2, "component3");

  Composite constraint("constraint", false);
  constraint.AddComponent(c1);
  constraint.AddComponent(c2);
  constraint.AddComponent(c3);
  EXPECT_EQ(0+1+2, constraint.GetRows());
}


TEST(Composite, GetComponent)
{
  auto c1 = std::make_shared<ExComponent>(0, "component1");
  auto c2 = std::make_shared<ExComponent>(1, "component2");
  auto c3 = std::make_shared<ExComponent>(2, "component3");

  Composite comp("composite", false);
  comp.AddComponent(c1);
  comp.AddComponent(c2);
  comp.AddComponent(c3);

  auto c1_new = comp.GetComponent("component1");
  EXPECT_EQ(c1->GetRows(), c1_new->GetRows());

  auto c2_new = comp.GetComponent<ExComponent>("component2");
  EXPECT_EQ(c2->GetRows(), c2_new->GetRows());

  auto c3_new = comp.GetComponent<ExComponent>("component3");
  EXPECT_NE(c1->GetRows(), c3_new->GetRows());
}


TEST(Composite, ClearComponents)
{
  auto c1 = std::make_shared<ExComponent>(0, "component1");
  auto c2 = std::make_shared<ExComponent>(1, "component2");
  auto c3 = std::make_shared<ExComponent>(2, "component3");

  Composite comp("composite", false);
  comp.AddComponent(c1);
  comp.AddComponent(c2);
  comp.AddComponent(c3);

  EXPECT_EQ(0+1+2, comp.GetRows());

  comp.ClearComponents();
  EXPECT_EQ(0, comp.GetRows());
}