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charSet.js
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import test from 'ava'
import CharSet from '../lib/charSet';
test.beforeEach('Create CharSets', t => {
t.context.charSet64 = new CharSet('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_')
t.context.charSet32 = new CharSet('2346789bdfghjmnpqrtBDFGHJLMNPQRT')
t.context.charSet16 = new CharSet('0123456789abcdef')
t.context.charSet8 = new CharSet('01234567')
t.context.charSet4 = new CharSet('ATCG')
t.context.charSet2 = new CharSet('01')
})
test('char set 64', t => {
const charSet = t.context.charSet64
const length = charSet.getChars().length
t.is(length, 64)
const bitsPerChar = Math.log2(length)
t.is(charSet.getBitsPerChar(), bitsPerChar)
t.is(charSet.getCharsPerChunk(), 4)
})
test('char set 32', t => {
const charSet = t.context.charSet32
const length = charSet.getChars().length
t.is(length, 32)
const bitsPerChar = Math.log2(length)
t.is(charSet.getBitsPerChar(), bitsPerChar)
t.is(charSet.getCharsPerChunk(), 8)
})
test('char set 16', t => {
const charSet = t.context.charSet16
const length = charSet.getChars().length
t.is(length, 16)
const bitsPerChar = Math.log2(length)
t.is(charSet.getBitsPerChar(), bitsPerChar)
t.is(charSet.getCharsPerChunk(), 2)
})
test('char set 8', t => {
const charSet = t.context.charSet8
const length = charSet.getChars().length
t.is(length, 8)
const bitsPerChar = Math.log2(length)
t.is(charSet.getBitsPerChar(), bitsPerChar)
t.is(charSet.getCharsPerChunk(), 8)
})
test('char set 4', t => {
const charSet = t.context.charSet4
const length = charSet.getChars().length
t.is(length, 4)
const bitsPerChar = Math.log2(length)
t.is(charSet.getBitsPerChar(), bitsPerChar)
t.is(charSet.getCharsPerChunk(), 4)
})
test('char set 2', t => {
const charSet = t.context.charSet2
const length = charSet.getChars().length
t.is(length, 2)
const bitsPerChar = Math.log2(length)
t.is(charSet.getBitsPerChar(), bitsPerChar)
t.is(charSet.getCharsPerChunk(), 8)
})
test('Custom chars: 64', t => {
let error = t.throws(() => {
new CharSet('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789ab')
}, Error)
t.regex(error.message, /.*unique/)
error = t.throws(() => {
new CharSet('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz)!@#$%^&*(+=0')
}, Error)
t.regex(error.message, /.*count/)
error = t.throws(() => {
new CharSet('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz)!@#$%^&*(+')
}, Error)
t.regex(error.message, /.*count/)
})
test('Custom chars: 32', t => {
let error = t.throws(() => {
new CharSet('01234567890123456789012345678901')
}, Error)
t.regex(error.message, /.*unique/)
error = t.throws(() => {
new CharSet('0123456789abcdefghijklmnopqrstu')
}, Error)
t.regex(error.message, /.*count/)
error = t.throws(() => {
new CharSet('0123456789abcdefghijklmnopqrstuvw')
}, Error)
t.regex(error.message, /.*count/)
})
test('Custom chars: 16', t => {
let error = t.throws(() => {
new CharSet('0123456789abcde0')
}, Error)
t.regex(error.message, /.*unique/)
error = t.throws(() => {
new CharSet('0123456789abcde')
}, Error)
t.regex(error.message, /.*count/)
error = t.throws(() => {
new CharSet('0123456789abcdefg')
}, Error)
t.regex(error.message, /.*count/)
})
test('Custom chars: 8', t => {
let error = t.throws(() => {
new CharSet('abcdefga')
}, Error)
t.regex(error.message, /.*unique/)
error = t.throws(() => {
new CharSet('abcdefg')
}, Error)
t.regex(error.message, /.*count/)
error = t.throws(() => {
new CharSet('abcdefghi')
}, Error)
t.regex(error.message, /.*count/)
})
test('Custom chars: 4', t => {
let error = t.throws(() => {
new CharSet('abbc')
}, Error)
t.regex(error.message, /.*unique/)
error = t.throws(() => {
new CharSet('abc')
}, Error)
t.regex(error.message, /.*count/)
error = t.throws(() => {
new CharSet('abcde')
}, Error)
t.regex(error.message, /.*count/)
})
test('Custom chars: 2', t => {
let error = t.throws(() => {
new CharSet('TT')
}, Error)
t.regex(error.message, /.*unique/)
error = t.throws(() => {
new CharSet('T')
}, Error)
t.regex(error.message, /.*count/)
error = t.throws(() => {
new CharSet('H20')
}, Error)
t.regex(error.message, /.*count/)
})