99 lines
2.5 KiB
JavaScript
99 lines
2.5 KiB
JavaScript
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const assume = require('assume');
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const tripleBeam = require('./');
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describe('triple-beam', function () {
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describe('LEVEL constant', function () {
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it('is exposed', function () {
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assume(tripleBeam.LEVEL);
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});
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it('is a Symbol', function () {
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assume(tripleBeam.LEVEL).is.a('symbol');
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});
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it('is not mutable', function () {
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//
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// Assert that the symbol does not change
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// even though the operation does not throw.
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//
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const OVERWRITE = Symbol('overwrite');
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const LEVEL = tripleBeam.LEVEL;
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assume(LEVEL).not.equals(OVERWRITE);
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tripleBeam.LEVEL = OVERWRITE;
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assume(tripleBeam.LEVEL).equals(LEVEL);
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});
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});
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describe('MESSAGE constant', function () {
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it('is exposed', function () {
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assume(tripleBeam.MESSAGE);
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});
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it('is a Symbol', function () {
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assume(tripleBeam.MESSAGE).is.a('symbol');
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});
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it('is not mutable', function () {
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//
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// Assert that the symbol does not change
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// even though the operation does not throw.
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//
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const OVERWRITE = Symbol('overwrite');
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const MESSAGE = tripleBeam.MESSAGE;
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assume(MESSAGE).not.equals(OVERWRITE);
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tripleBeam.MESSAGE = OVERWRITE;
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assume(tripleBeam.MESSAGE).equals(MESSAGE);
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});
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});
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describe('SPLAT constant', function () {
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it('is exposed', function () {
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assume(tripleBeam.SPLAT);
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});
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it('is a Symbol', function () {
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assume(tripleBeam.SPLAT).is.a('symbol');
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});
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it('is not mutable', function () {
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//
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// Assert that the symbol does not change
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// even though the operation does not throw.
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//
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const OVERWRITE = Symbol('overwrite');
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const SPLAT = tripleBeam.SPLAT;
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assume(SPLAT).not.equals(OVERWRITE);
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tripleBeam.SPLAT = OVERWRITE;
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assume(tripleBeam.SPLAT).equals(SPLAT);
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});
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});
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describe('configs constant', function () {
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it('is exposed', function () {
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assume(tripleBeam.configs);
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});
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it('is a Symbol', function () {
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assume(tripleBeam.configs).is.an('Object');
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});
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it('is not mutable', function () {
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//
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// Assert that the object does not change
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// even though the operation does not throw.
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//
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const overwrite = {
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overwrite: 'overwrite'
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};
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const configs = tripleBeam.configs;
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assume(configs).not.equals(overwrite);
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tripleBeam.configs = overwrite;
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assume(tripleBeam.configs).equals(configs);
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});
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});
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});
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