Commit 08a2d6a8 authored by paarongiroux's avatar paarongiroux Committed by Kelvin Rodriguez
Browse files

Added BasisFunctionTests.cpp. Removed BasisFunction unit test and tru… (#3200) 

* Added BasisFunctionTests.cpp. Removed BasisFunction unit test and truthfile.

* changed expectedOutput values for some of the tests
parent 7a249257

isis/src/base/objs/BasisFunction/BasisFunction.truth

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Name   = Basis

Ncoefs = 2

Vars   = 2

0.5

-0.5

---

0.5

0.5

-0.5

---

-0.5

1

2

---

Name   = Basis1

Ncoefs = 1

Vars   = 1

5

---

10

isis/src/base/objs/BasisFunction/unitTest.cpp

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#include "BasisFunction.h"

#include "Preference.h"

#include <iostream>



using namespace Isis;

using namespace std;



int main() {

  Preference::Preferences(true);

  BasisFunction b("Basis", 2, 2);

  vector<double> coefs;

  coefs.push_back(0.5);

  coefs.push_back(-0.5);

  b.SetCoefficients(coefs);



  cout << "Name   = " << b.Name() << endl;

  cout << "Ncoefs = " << b.Coefficients() << endl;

  cout << "Vars   = " << b.Variables() << endl;

  for (int i = 0; i < b.Coefficients(); i++) {

    cout << b.Coefficient(i) << endl;

  }



  cout << "---" << endl;

  vector<double> vars = coefs;

  cout << b.Evaluate(vars) << endl;

  for (int i = 0; i < b.Coefficients(); i++) {

    cout << b.Term(i) << endl;

  }



  cout << "---" << endl;

  vars[0] = 1.0;

  vars[1] = 2.0;

  cout << b.Evaluate(vars) << endl;

  for (int i = 0; i < b.Coefficients(); i++) {

    cout << b.Term(i) << endl;

  }

  

  cout << "---" << endl;

  BasisFunction b1("Basis1", 1, 1);

  vector<double> coefs1;

  coefs1.push_back(5.0);

  b1.SetCoefficients(coefs1);

  

  cout << "Name   = " << b1.Name() << endl;

  cout << "Ncoefs = " << b1.Coefficients() << endl;

  cout << "Vars   = " << b1.Variables() << endl;

  for (int i = 0; i < b1.Coefficients(); i++) {

    cout << b1.Coefficient(i) << endl;

  }

  

  cout << "---" << endl;

  double var1 = 2.0;

  cout << b1.Evaluate(var1) << endl;

}

isis/tests/BasisFunctionTests.cpp

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#include <gtest/gtest.h>

#include <QString>

#include "BasisFunction.h"

#include "IException.h"



TEST(BasisFunction, Initialization)

{

  std::string name("basis1");

  Isis::BasisFunction testBasis("basis1", 3, 3);



  EXPECT_EQ(testBasis.Coefficients(), 3);

  EXPECT_EQ(testBasis.Variables(), 3);

  EXPECT_STREQ(testBasis.Name().toStdString().c_str(), name.c_str());

}



TEST(BasisFunction, Evaluation)

{

  Isis::BasisFunction testBasis("basis", 3, 3);

  double expectedOutput = 12.7;

  double output;

  std::vector <double> vars;

  std::vector <double> coefs;



  coefs.push_back(2.5);

  coefs.push_back(3.2);

  coefs.push_back(1.0);

  testBasis.SetCoefficients(coefs);



  vars.push_back(3.0);

  vars.push_back(1.0);

  vars.push_back(2.0);



  output = testBasis.Evaluate(vars);

  EXPECT_DOUBLE_EQ(output, expectedOutput);



  vars[0] = 3.5;

  vars[1] = 1.2;

  vars[2] = 10.8;



  expectedOutput = 23.39;

  output = testBasis.Evaluate(vars);

  EXPECT_DOUBLE_EQ(output, expectedOutput);

}



TEST(BasisFunction, InequalCoefficientAmount)

{

  Isis:: BasisFunction testBasis("basis", 1, 1);

  std::vector <double> coefs;



  coefs.push_back(1.0);

  coefs.push_back(1.0);



  try

  {

    testBasis.SetCoefficients(coefs);

  }

  catch(Isis::IException &e)

  {

    EXPECT_TRUE(e.toString().toLatin1().contains("Unable to set coefficients vector"))

      << e.toString().toStdString();

  }

  catch(...)

  {

    FAIL() << "Expected an IException with message: "

      "\"Unable to set coefficients vector. The size of the given vector "

                  "does not match number of coefficients "

                  "in the basis equation\"";

  }



}



TEST(BasisFunction, InequalVariableAmount)

{

  Isis:: BasisFunction testBasis("basis", 1, 1);

  std::vector <double> coefs;

  std::vector <double> vars;



  coefs.push_back(1.0);

  testBasis.SetCoefficients(coefs);



  vars.push_back(1.0);

  vars.push_back(1.0);



  try

  {

    testBasis.Evaluate(vars);

  }

  catch(Isis::IException &e)

  {

    EXPECT_TRUE(e.toString().toLatin1().contains("Unable to evaluate function"))

      << e.toString().toStdString();

  }

  catch(...)

  {

    FAIL() << "Expected an IException with message: "

              "\"Unable to set coefficients vector. The size of the given vector"

              " does not match number of coefficients in the basis equation\"";

  }

}



TEST(BasisFunction, ExtraCoefficients)

{

  Isis::BasisFunction testBasis("basis", 1, 2);

  std::vector <double> coefs;

  std::vector <double> vars;



  coefs.push_back(1.0);

  coefs.push_back(1.0);

  testBasis.SetCoefficients(coefs);



  vars.push_back(1.0);

  try

  {

    testBasis.Evaluate(vars);

  }

  catch(Isis::IException &e)

  {

    EXPECT_TRUE(e.toString().toLatin1().contains("Unable to evaluate function"))

      << e.toString().toStdString();

  }

  catch(...)

  {

    FAIL() << "Expected an IException with message: "

               "\"Unable to evaluate function for the given vector of values. "

               "The number of terms in the expansion does not "

               "match number of coefficients in the basis equation\"";

  }

}



TEST(BasisFunction, NonVectorVariable)

{

  Isis::BasisFunction testBasis("basis", 1, 1);

  double var = 1.2;

  double expectedOutput = 3.0;

  double output;

  std::vector <double> coefs;



  coefs.push_back(2.5);

  testBasis.SetCoefficients(coefs);

  output = testBasis.Evaluate(var);

  EXPECT_DOUBLE_EQ(output, expectedOutput);

}