Files
freecodecamp-sudoku-solver/tests/1_unit-tests.js
T

139 lines
3.7 KiB
JavaScript

const chai = require('chai');
const assert = chai.assert;
const { puzzlesAndSolutions } = require('../controllers/puzzle-strings');
const Solver = require('../controllers/sudoku-solver');
const solver = new Solver();
suite('UnitTests', () => {
test('SudokuSolver.validate(puzzleString) valid puzzle string of 81 characters', (done) => {
const input = puzzlesAndSolutions[0][0];
assert.equal(solver.validate(input), true);
done();
});
test('SudokuSolver.validate(puzzleString) puzzle string of 81 characters with invalid characters', (done) => {
const input = puzzlesAndSolutions[0][0].replace(/\./g, '?');
assert.equal(solver.validate(input), false);
done();
});
test('SudokuSolver.validate(puzzleString) puzzle string of 82 characters with valid characters', (done) => {
const input = puzzlesAndSolutions[0][0] + '0';
assert.equal(solver.validate(input), false);
done();
});
test('checkRowPlacement(puzzleString, row, column, value) valid row placement', (done) => {
const input = puzzlesAndSolutions[0][0];
const row = 'A';
const column = '2';
const value = '9';
assert.equal(solver.checkRowPlacement(input, row, column, value), true);
done();
});
test('checkRowPlacement(puzzleString, row, column, value) invalid row placement', (done) => {
const input = puzzlesAndSolutions[0][0];
const row = 'A';
const column = '2';
const value = '1';
assert.equal(solver.checkRowPlacement(input, row, column, value), false);
done();
});
test('checkColPlacement(puzzleString, row, column, value) valid column placement', (done) => {
const input = puzzlesAndSolutions[0][0];
const row = 'A';
const column = '2';
const value = '5';
assert.equal(solver.checkColPlacement(input, row, column, value), true);
done();
});
test('checkColPlacement(puzzleString, row, column, value) invalid column placement', (done) => {
const input = puzzlesAndSolutions[0][0];
const row = 'A';
const column = '2';
const value = '6';
assert.equal(solver.checkColPlacement(input, row, column, value), false);
done();
});
test('checkRegionPlacement(puzzleString, row, column, value) valid region placement', (done) => {
const input = puzzlesAndSolutions[0][0];
const row = 'A';
const column = '2';
const value = '4';
assert.equal(solver.checkRegionPlacement(input, row, column, value), true);
done();
});
test('checkRegionPlacement(puzzleString, row, column, value) invalid region placement', (done) => {
const input = puzzlesAndSolutions[0][0];
const row = 'A';
const column = '2';
const value = '2';
assert.equal(solver.checkRegionPlacement(input, row, column, value), false);
done();
});
test('solve(puzzleString) valid puzzle string', (done) => {
const puzzle = puzzlesAndSolutions[0][0];
const solution = puzzlesAndSolutions[0][1];
assert.equal(solver.solve(puzzle), solution);
done();
});
test('solve(puzzleString) invalid puzzle string', (done) => {
const puzzle = puzzlesAndSolutions[0][0]+'0';
assert.equal(solver.solve(puzzle), false);
done();
});
test('solve(puzzleString) uncomplete puzzle yields expected solution', (done) => {
const puzzle = puzzlesAndSolutions[0][0];
const solution = puzzlesAndSolutions[0][1];
assert.equal(solver.solve(puzzle), solution);
done();
});
});