test.js
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var test = require('tape')
var Expand = require('./')
test('default expands {} placeholders', function (t) {
var expand = Expand()
t.equal(typeof expand, 'function', 'is a function')
t.equal(expand('{foo}/{bar}', {
foo: 'BAR', bar: 'FOO'
}), 'BAR/FOO')
t.equal(expand('{foo}{foo}{foo}', {
foo: 'FOO'
}), 'FOOFOOFOO', 'expands one placeholder many times')
t.end()
})
test('support for custom separators', function (t) {
var expand = Expand({ sep: '[]' })
t.equal(expand('[foo]/[bar]', {
foo: 'BAR', bar: 'FOO'
}), 'BAR/FOO')
t.equal(expand('[foo][foo][foo]', {
foo: 'FOO'
}), 'FOOFOOFOO', 'expands one placeholder many times')
t.end()
})
test('support for longer custom separators', function (t) {
var expand = Expand({ sep: '[[]]' })
t.equal(expand('[[foo]]/[[bar]]', {
foo: 'BAR', bar: 'FOO'
}), 'BAR/FOO')
t.equal(expand('[[foo]][[foo]][[foo]]', {
foo: 'FOO'
}), 'FOOFOOFOO', 'expands one placeholder many times')
t.end()
})
test('whitespace-insensitive', function (t) {
var expand = Expand({ sep: '[]' })
t.equal(expand('[ foo ]/[ bar ]', {
foo: 'BAR', bar: 'FOO'
}), 'BAR/FOO')
t.equal(expand('[ foo ][ foo ][ foo]', {
foo: 'FOO'
}), 'FOOFOOFOO', 'expands one placeholder many times')
t.end()
})
test('dollar escape', function (t) {
var expand = Expand()
t.equal(expand('before {foo} after', {
foo: '$'
}), 'before $ after')
t.equal(expand('before {foo} after', {
foo: '$&'
}), 'before $& after')
t.equal(expand('before {foo} after', {
foo: '$`'
}), 'before $` after')
t.equal(expand('before {foo} after', {
foo: '$\''
}), 'before $\' after')
t.equal(expand('before {foo} after', {
foo: '$0'
}), 'before $0 after')
t.end()
})