import {EOL} from 'node:os'
import {expect, test} from '@jest/globals'
import * as mime from 'mime-types'
import {MIMEMessageContent} from '../src/entrypoints/node.js'
const envctx = {
toBase64: function toBase64(data) {
return (new Buffer(data)).toString('base64')
},
toBase64WebSafe: function toBase64WebSafe(data) {
return (new Buffer(data)).toString('base64')
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=+$/, '')
},
eol: EOL,
validateContentType: (v) => {
return mime.lookup(v)
}
}
const sampleImageBase64 = '/9j/4AAQSkZJRgABAgEASABIAAD/2wCEAAEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQECAgICAgICAgICAgMDAwMDAwMDAwMBAQEBAQEBAgEBAgICAQICAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDA//AABEIAAUABQMAEQABEQECEQH/xABPAAEAAAAAAAAAAAAAAAAAAAAKEAEBAQEBAQAAAAAAAAAAAAAFBgQDAgEBAQAAAAAAAAAAAAAAAAAAAAARAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwAAARECEQA/AHsDDIlo1m7dWUFHmo6DMyOOzmleB0EdwlZme6ycn1npkJbZP7FgtTvTo7qaV+KtbefPb4N8Hn4A/9k='
test('plain text content', () => {
const content = new MIMEMessageContent(envctx, 'hello there', {'Content-Type': 'plain/text'})
expect(content.isAttachment()).toBe(false)
expect(content.getHeader('Content-Type')).toBe('plain/text')
expect(content.dump({mixed: 'abcdef', alt: 'ghjklm'})).toBe(
'Content-Type: plain/text' + envctx.eol + envctx.eol +
'hello there'
)
})
test('base64 encoded image attachment', () => {
const content = new MIMEMessageContent(envctx, sampleImageBase64, {
'Content-Type': 'image/jpg; charset=UTF-8',
'Content-Transfer-Encoding': 'base64',
'Content-Disposition': 'attachment;filename="sample.jpg"'
})
expect(content.isAttachment()).toBe(true)
expect(content.getHeader('Content-Type')).toBe('image/jpg; charset=UTF-8')
expect(content.dump()).toBe(
'Content-Type: image/jpg; charset=UTF-8' + envctx.eol +
'Content-Transfer-Encoding: base64' + envctx.eol +
'Content-Disposition: attachment;filename="sample.jpg"' + envctx.eol + envctx.eol +
sampleImageBase64
)
})
test('image attachment and inline attachment together', () => {
const content = new MIMEMessageContent(envctx, sampleImageBase64, {
'Content-Type': 'image/jpg; charset=UTF-8',
'Content-Transfer-Encoding': 'base64',
'Content-Disposition': 'inline;filename="sample.jpg"'
})
expect(content.isInlineAttachment()).toBe(true)
expect(content.getHeader('Content-Type')).toBe('image/jpg; charset=UTF-8')
expect(content.dump()).toBe(
'Content-Type: image/jpg; charset=UTF-8' + envctx.eol +
'Content-Transfer-Encoding: base64' + envctx.eol +
'Content-Disposition: inline;filename="sample.jpg"' + envctx.eol + envctx.eol +
sampleImageBase64
)
})
