ProjectEulerJava/src/test/java/com/mattrixwv/project_euler/problems/TestProblem8.java

package com.mattrixwv.project_euler.problems;


import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.junit.jupiter.MockitoExtension;

import com.mattrixwv.project_euler.exceptions.Unsolved;


@ExtendWith(MockitoExtension.class)
public class TestProblem8 extends BaseTest{
	@InjectMocks
	private Problem8 problem;


	@Test
	@Override
	public void testDescription(){
		assertEquals("Find the thirteen adjacent digits in the 1000-digit number that have the greatest product. What is the value of this product?", problem.getDescription());
		assertFalse(problem.getSolved());
	}

	@Test
	@Override
	public void testSolve(){
		assertThrows(Unsolved.class, () -> { problem.getLargestNums(); });
		assertThrows(Unsolved.class, () -> { problem.getLargestProduct(); });

		problem.solve();

		//Verify result
		assertEquals("5576689664895", problem.getLargestNums());
		assertEquals(23514624000L, problem.getLargestProduct());
		assertEquals(String.format("The greatest product is 23514624000%nThe numbers are 5576689664895"), problem.getResult());
		//Verify the problem variables and functions were called
		verifyProblem(problem);

		//Verify the porblem won't be run again
		verifyProblemSecondRun(problem);
	}

	@Test
	@Override
	public void testReset(){
		problem.reset();

		//Verify solved was reset
		assertFalse(problem.getSolved());
		super.testReset();

		//Verify the problem can be solved again
		testSolve();
	}
}