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precis-js

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A JavaScript implementation of RFC 7564 (The PRECIS Framework).

github.com/eloquent/precis-js

eloquent/precis-js

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fs = require 'fs' UnicodeTrie = require 'unicode-trie' CodepointPropertyReader = require '../../src/unicode/CodepointPropertyReader' InvalidCodepointError = require '../../src/error/InvalidCodepointError' precis = require '../../src/constants' PrecisPreparer = require '../../src/PrecisPreparer' WidthMapper = require '../../src/unicode/WidthMapper' describe 'PrecisPreparer', -> before -> trieData = fs.readFileSync __dirname + '/../../data/properties.trie' widthMappingData = JSON.parse fs.readFileSync __dirname + '/../../data/width-mapping.json' @trie = new UnicodeTrie trieData @propertyReader = new CodepointPropertyReader @trie @widthMapper = new WidthMapper widthMappingData beforeEach -> @subject = new PrecisPreparer @propertyReader, @widthMapper describe 'prepare()', -> it 'supports custom prepare logic', -> @profile = prepare: sinon.spy() @subject.prepare @profile, 'ab' sinon.assert.calledWith @profile.prepare, 'ab', @subject it 'supports custom pre-prepare mapping logic', -> passedCodepoints = [-1, -1] @profile = stringClass: precis.STRING_CLASS.FREEFORM prePrepareMap: (codepoints) -> passedCodepoints[0] = codepoints[0] passedCodepoints[1] = codepoints[1] codepoints[0] = 111 codepoints[1] = 222 assert.deepEqual @subject.prepare(@profile, 'ab'), [111, 222] assert.deepEqual passedCodepoints, [97, 98] it 'throws an error if the string class is not implemented', -> assert.throws (=> @subject.prepare stringClass: 111, ''), 'PRECIS string class not implemented.' describe 'for FreeformClass string class profiles', -> beforeEach -> @profile = stringClass: precis.STRING_CLASS.FREEFORM it 'allows characters in the FreeformClass string class', -> assert.deepEqual @subject.prepare(@profile, ' !'), [0x0020, 0x0021] it 'rejects characters outside the FreeformClass string class', -> assert.throws (=> @subject.prepare @profile, "\u0000"), InvalidCodepointError assert.throws (=> @subject.prepare @profile, "\u007F"), InvalidCodepointError assert.throws (=> @subject.prepare @profile, "\u00B7"), InvalidCodepointError assert.throws (=> @subject.prepare @profile, "\u0378"), InvalidCodepointError assert.throws (=> @subject.prepare @profile, "\u200C"), InvalidCodepointError describe 'for IdentifierClass string class profiles', -> beforeEach -> @profile = stringClass: precis.STRING_CLASS.IDENTIFIER it 'allows characters in the IdentifierClass string class', -> assert.deepEqual @subject.prepare(@profile, '!'), [0x0021] it 'rejects characters outside the IdentifierClass string class', -> assert.throws (=> @subject.prepare @profile, "\u0000"), InvalidCodepointError assert.throws (=> @subject.prepare @profile, "\u0020"), InvalidCodepointError assert.throws (=> @subject.prepare @profile, "\u007F"), InvalidCodepointError assert.throws (=> @subject.prepare @profile, "\u00B7"), InvalidCodepointError assert.throws (=> @subject.prepare @profile, "\u0378"), InvalidCodepointError assert.throws (=> @subject.prepare @profile, "\u200C"), InvalidCodepointError