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connect4.test.js
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connect4.test.js
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const { takeTurn,
getLowestAvailableRowInColumn,
verticalWinner,
horizontalWinner,
diagonalDownWinner,
diagonalUpWinner,
nobodyWinner,
resetGame } = require('./connect4_code');
// horizontalWinner() test
describe('when 4 consecutive horizontal slots are placed', () => {
// Arrange
const tests =
[ // test 1
[
{
grid: [
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null]
],
player: 'red',
column: 1 && 2 && 3 && 4
},
//structure with the result
[
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, 'red', 'red', 'red', 'red', null, null]
]
],
// test 2
[
{
grid: [
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null]
],
player: 'red',
column: 0 && 1 && 2 && 3
},
//structure with the result
[
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
['red', 'red', 'red', 'red', null, null, null]
]
],
// test 3
[
{
grid: [
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null]
],
player: 'red',
column: 2 && 3 && 4 && 5
},
//structure with the result
[
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, 'red', 'red', 'red', 'red', null]
]
],
// test 4
[
{
grid: [
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
],
player: 'red',
column: 3 && 4 && 5 && 6
},
//structure with the result
[
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, null, null, null, null],
[null, null, null, 'red', 'red', 'red', 'red']
]
],
]
it.each(test)('function returns true', (input, expectedOutput) => {
// Act
const actualOutput = horizontalWinnerModule.horizontalWinner(input.grid, input.player, input.column)
// Assert
expect(actualOutput).toStrictEqual(expectedOutput)
})
})