79 lines
2 KiB
JavaScript
Executable file
79 lines
2 KiB
JavaScript
Executable file
const test = require('tap').test
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const pattern = require('core/alignment-pattern')
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/**
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* Row/column coordinates of the center module of each alignment pattern.
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* Each sub-array refers to a qr code version.
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*
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* @type {Array}
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*/
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const EXPECTED_POSITION_TABLE = [
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[],
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[6, 18],
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[6, 22],
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[6, 26],
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[6, 30],
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[6, 34],
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[6, 22, 38],
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[6, 24, 42],
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[6, 26, 46],
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[6, 28, 50],
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[6, 30, 54],
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[6, 32, 58],
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[6, 34, 62],
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[6, 26, 46, 66],
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[6, 26, 48, 70],
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[6, 26, 50, 74],
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[6, 30, 54, 78],
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[6, 30, 56, 82],
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[6, 30, 58, 86],
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[6, 34, 62, 90],
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[6, 28, 50, 72, 94],
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[6, 26, 50, 74, 98],
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[6, 30, 54, 78, 102],
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[6, 28, 54, 80, 106],
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[6, 32, 58, 84, 110],
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[6, 30, 58, 86, 114],
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[6, 34, 62, 90, 118],
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[6, 26, 50, 74, 98, 122],
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[6, 30, 54, 78, 102, 126],
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[6, 26, 52, 78, 104, 130],
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[6, 30, 56, 82, 108, 134],
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[6, 34, 60, 86, 112, 138],
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[6, 30, 58, 86, 114, 142],
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[6, 34, 62, 90, 118, 146],
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[6, 30, 54, 78, 102, 126, 150],
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[6, 24, 50, 76, 102, 128, 154],
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[6, 28, 54, 80, 106, 132, 158],
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[6, 32, 58, 84, 110, 136, 162],
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[6, 26, 54, 82, 110, 138, 166],
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[6, 30, 58, 86, 114, 142, 170]
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]
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test('Alignment pattern - Row/Col coords', function (t) {
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t.plan(40)
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for (let i = 1; i <= 40; i++) {
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const pos = pattern.getRowColCoords(i)
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t.deepEqual(pos, EXPECTED_POSITION_TABLE[i - 1], 'Should return correct coords')
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}
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})
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test('Alignment pattern - Positions', function (t) {
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for (let i = 1; i <= 40; i++) {
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const pos = pattern.getPositions(i)
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const expectedPos = EXPECTED_POSITION_TABLE[i - 1]
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const expectedLength = (Math.pow(expectedPos.length, 2) || 3) - 3
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t.equal(pos.length, expectedLength, 'Should return correct number of positions')
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// For each coord value check if it's present in the expected coords table
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pos.forEach(function (position) {
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position.forEach(function (coord) {
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t.notEqual(expectedPos.indexOf(coord), -1, 'Should return valid coord value')
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})
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})
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}
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t.end()
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})
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