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| 1 | +import { expect } from 'chai' |
| 2 | + |
| 3 | +import hashify, { hashArray, hashObject } from 'eslint-module-utils/hash' |
| 4 | + |
| 5 | +const createHash = require('crypto').createHash |
| 6 | + |
| 7 | +function expectHash(actualHash, expectedString) { |
| 8 | + const expectedHash = createHash('sha256') |
| 9 | + expectedHash.update(expectedString) |
| 10 | + expect(actualHash.digest('hex'), 'to be a hex digest of sha256 hash of string <' + expectedString + '>').to.equal(expectedHash.digest('hex')) |
| 11 | +} |
| 12 | + |
| 13 | +describe('hash', function () { |
| 14 | + describe('hashify', function () { |
| 15 | + it('handles null', function () { |
| 16 | + expectHash(hashify(null), 'null') |
| 17 | + }) |
| 18 | + |
| 19 | + it('handles undefined', function () { |
| 20 | + expectHash(hashify(undefined), 'undefined') |
| 21 | + }) |
| 22 | + |
| 23 | + it('handles numbers', function () { |
| 24 | + expectHash(hashify(123.456), '123.456') |
| 25 | + }) |
| 26 | + |
| 27 | + it('handles strings', function () { |
| 28 | + expectHash(hashify('a string'), '"a string"') |
| 29 | + }) |
| 30 | + |
| 31 | + it('handles Array instances', function () { |
| 32 | + expectHash(hashify([ 'a string' ]), '["a string",]') |
| 33 | + }) |
| 34 | + |
| 35 | + it('handles empty Array instances', function () { |
| 36 | + expectHash(hashify([]), '[]') |
| 37 | + }) |
| 38 | + |
| 39 | + it('handles Object instances', function () { |
| 40 | + expectHash(hashify({ foo: 123.456, 'a key': 'a value' }), '{"a key":"a value","foo":123.456,}') |
| 41 | + }) |
| 42 | + |
| 43 | + it('handles nested Object instances', function () { |
| 44 | + expectHash(hashify({ foo: 123.456, 'a key': 'a value', obj: { abc: { def: 'ghi' } } }), '{"a key":"a value","foo":123.456,"obj":{"abc":{"def":"ghi",},},}') |
| 45 | + }) |
| 46 | + |
| 47 | + it('handles nested Object and Array instances', function () { |
| 48 | + expectHash(hashify({ foo: 123.456, 'a key': 'a value', obj: { arr: [ { def: 'ghi' } ] } }), '{"a key":"a value","foo":123.456,"obj":{"arr":[{"def":"ghi",},],},}') |
| 49 | + }) |
| 50 | + }) |
| 51 | + |
| 52 | + describe('hashArray', function () { |
| 53 | + it('handles Array instances', function () { |
| 54 | + expectHash(hashArray([ 'a string' ]), '["a string",]') |
| 55 | + }) |
| 56 | + |
| 57 | + it('handles empty Array instances', function () { |
| 58 | + expectHash(hashArray([]), '[]') |
| 59 | + }) |
| 60 | + }) |
| 61 | + |
| 62 | + describe('hashObject', function () { |
| 63 | + it('handles Object instances', function () { |
| 64 | + expectHash(hashObject({ foo: 123.456, 'a key': 'a value' }), '{"a key":"a value","foo":123.456,}') |
| 65 | + }) |
| 66 | + |
| 67 | + it('handles nested Object instances', function () { |
| 68 | + expectHash(hashObject({ foo: 123.456, 'a key': 'a value', obj: { abc: { def: 'ghi' } } }), '{"a key":"a value","foo":123.456,"obj":{"abc":{"def":"ghi",},},}') |
| 69 | + }) |
| 70 | + |
| 71 | + it('handles nested Object and Array instances', function () { |
| 72 | + expectHash(hashObject({ foo: 123.456, 'a key': 'a value', obj: { arr: [ { def: 'ghi' } ] } }), '{"a key":"a value","foo":123.456,"obj":{"arr":[{"def":"ghi",},],},}') |
| 73 | + }) |
| 74 | + }) |
| 75 | + |
| 76 | +}) |
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