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76 lines
1.8 KiB
76 lines
1.8 KiB
4 years ago
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'use strict'
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var test = require('tape')
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var supports = require('..')
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var shape = require('./shape')
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var cloneable = require('./cloneable')
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test('no options', function (t) {
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shape(t, supports())
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cloneable(t, supports())
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t.end()
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})
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test('falsy options', function (t) {
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;[null, false, undefined, 0, ''].forEach(function (value) {
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var manifest = supports({
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bufferKeys: value,
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additionalMethods: {
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foo: value
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}
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})
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shape(t, manifest)
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t.is(manifest.bufferKeys, false)
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})
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t.end()
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})
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test('truthy options', function (t) {
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;[true, {}, 'yes', 1, []].forEach(function (value) {
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var manifest = supports({
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streams: value,
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additionalMethods: {
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foo: value
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}
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})
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shape(t, manifest)
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t.same(manifest.streams, value)
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t.same(manifest.additionalMethods.foo, value)
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})
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t.end()
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})
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test('merges input objects without mutating them', function (t) {
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var input1 = { bufferKeys: null, streams: false }
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var input2 = { streams: true, additionalMethods: {} }
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var manifest = supports(input1, input2)
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manifest.foobar = true
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manifest.additionalMethods.baz = true
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t.same(input1, { bufferKeys: null, streams: false })
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t.same(input2, { streams: true, additionalMethods: {} })
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t.is(manifest.bufferKeys, false)
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t.is(manifest.streams, true)
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shape(t, manifest)
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t.end()
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})
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test('inherits additionalMethods', function (t) {
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var manifest = supports({ additionalMethods: { foo: true } }, {})
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t.same(manifest.additionalMethods, { foo: true })
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t.end()
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})
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test('does not merge additionalMethods', function (t) {
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var input1 = { additionalMethods: { foo: true } }
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var input2 = { additionalMethods: { bar: true } }
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var manifest = supports(input1, input2)
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t.same(manifest.additionalMethods, { bar: true })
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t.end()
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})
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