77064f5e5e
* Split core lib into multiple files * Refactor data encoding methods * Refactor data masking process * Improve qr code generation process * Increase minimum required node version to 0.10 * Add linter * Add tests and tests coverage * Update travis config to fix compilation issues * Add examples folder * Add missing license tag in package.json * Update build script and add sourcemap support * Publish only strictly needed files on npm * Update readme
123 lines
2.9 KiB
JavaScript
Executable file
123 lines
2.9 KiB
JavaScript
Executable file
var test = require('tap').test
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var BitMatrix = require('core/bit-matrix')
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var MaskPattern = require('core/mask-pattern')
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test('Mask pattern - Pattern references', function (t) {
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var patternsCount = Object.keys(MaskPattern.Patterns).length
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t.equals(patternsCount, 8, 'Should return 8 patterns')
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t.end()
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})
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var expectedPattern000 = [
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1, 0, 1, 0, 1, 0,
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0, 1, 0, 1, 0, 1,
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1, 0, 1, 0, 1, 0,
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0, 1, 0, 1, 0, 1,
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1, 0, 1, 0, 1, 0,
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0, 1, 0, 1, 0, 1
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]
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var expectedPattern001 = [
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1, 1, 1, 1, 1, 1,
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0, 0, 0, 0, 0, 0,
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1, 1, 1, 1, 1, 1,
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0, 0, 0, 0, 0, 0,
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1, 1, 1, 1, 1, 1,
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0, 0, 0, 0, 0, 0
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]
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var expectedPattern010 = [
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1, 0, 0, 1, 0, 0,
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1, 0, 0, 1, 0, 0,
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1, 0, 0, 1, 0, 0,
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1, 0, 0, 1, 0, 0,
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1, 0, 0, 1, 0, 0,
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1, 0, 0, 1, 0, 0
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]
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var expectedPattern011 = [
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1, 0, 0, 1, 0, 0,
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0, 0, 1, 0, 0, 1,
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0, 1, 0, 0, 1, 0,
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1, 0, 0, 1, 0, 0,
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0, 0, 1, 0, 0, 1,
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0, 1, 0, 0, 1, 0
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]
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var expectedPattern100 = [
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1, 1, 1, 0, 0, 0,
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1, 1, 1, 0, 0, 0,
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0, 0, 0, 1, 1, 1,
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0, 0, 0, 1, 1, 1,
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1, 1, 1, 0, 0, 0,
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1, 1, 1, 0, 0, 0
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]
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var expectedPattern101 = [
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1, 1, 1, 1, 1, 1,
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1, 0, 0, 0, 0, 0,
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1, 0, 0, 1, 0, 0,
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1, 0, 1, 0, 1, 0,
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1, 0, 0, 1, 0, 0,
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1, 0, 0, 0, 0, 0
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]
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var expectedPattern110 = [
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1, 1, 1, 1, 1, 1,
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1, 1, 1, 0, 0, 0,
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1, 1, 0, 1, 1, 0,
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1, 0, 1, 0, 1, 0,
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1, 0, 1, 1, 0, 1,
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1, 0, 0, 0, 1, 1
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]
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var expectedPattern111 = [
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1, 0, 1, 0, 1, 0,
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0, 0, 0, 1, 1, 1,
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1, 0, 0, 0, 1, 1,
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0, 1, 0, 1, 0, 1,
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1, 1, 1, 0, 0, 0,
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0, 1, 1, 1, 0, 0
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]
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test('Mask pattern - Apply mask', function (t) {
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var patterns = Object.keys(MaskPattern.Patterns).length
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var expectedPatterns = [
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expectedPattern000, expectedPattern001, expectedPattern010, expectedPattern011,
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expectedPattern100, expectedPattern101, expectedPattern110, expectedPattern111
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]
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for (var p = 0; p < patterns; p++) {
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var matrix = new BitMatrix(6)
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MaskPattern.applyMask(p, matrix)
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t.deepEqual(matrix.data, new Buffer(expectedPatterns[p]), 'Should return correct pattern')
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}
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matrix = new BitMatrix(2)
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matrix.set(0, 0, false, true)
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matrix.set(0, 1, false, true)
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matrix.set(1, 0, false, true)
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matrix.set(1, 1, false, true)
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MaskPattern.applyMask(0, matrix)
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t.deepEqual(matrix.data, new Buffer([false, false, false, false]), 'Should leave reserved bit unchanged')
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t.throws(function () { MaskPattern.applyMask(-1, new BitMatrix(1)) }, 'Should throw if pattern is invalid')
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t.end()
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})
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test('Mask pattern - Best mask', function (t) {
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var matrix = new BitMatrix(7)
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// Draw a pattern with ratio 1:1:3:1:1 to test penality N3
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matrix.set(0, 1, true)
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matrix.set(0, 5, true)
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matrix.set(1, 0, true)
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matrix.set(5, 0, true)
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var mask = MaskPattern.getBestMask(matrix)
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t.ok(!isNaN(mask), 'Should return a number')
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t.end()
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})
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