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|
'use strict'
const { test } = require('tap')
const HeaderParser = require('../deps/dicer/lib/HeaderParser')
test('dicer-headerparser', t => {
const DCRLF = '\r\n\r\n'
const MAXED_BUFFER = Buffer.allocUnsafe(128 * 1024)
MAXED_BUFFER.fill(0x41) // 'A'
const tests = [
{
source: DCRLF,
expected: {},
what: 'No header'
},
{
source: ['Content-Type:\t text/plain',
'Content-Length:0'
].join('\r\n') + DCRLF,
expected: { 'content-type': [' text/plain'], 'content-length': ['0'] },
what: 'Value spacing'
},
{
source: ['Content-Type:\t text/plain',
'Content-Length:0'
].join('\r\n') + DCRLF,
cfg: {
maxHeaderPairs: 0
},
expected: {},
what: 'should enforce maxHeaderPairs of 0'
},
{
source: ['Content-Type:\t text/plain',
'Content-Length:0'
].join('\r\n') + DCRLF,
cfg: {
maxHeaderPairs: 1
},
expected: { 'content-type': [' text/plain'] },
what: 'should enforce maxHeaderPairs of 1'
},
{
source: ['Content-Type:\r\n text/plain',
'Foo:\r\n bar\r\n baz'
].join('\r\n') + DCRLF,
expected: {},
cfg: {
maxHeaderSize: 0
},
what: 'should enforce maxHeaderSize of 0'
},
{
source: ['Content-Type:\r\n text/plain',
'Foo:\r\n bar\r\n baz'
].join('\r\n') + DCRLF,
expected: { 'content-type': [' text/plai'] },
cfg: {
maxHeaderSize: 25
},
what: 'should enforce maxHeaderSize of 25'
},
{
source: ['Content-Type:\r\n text/plain',
'Foo:\r\n bar\r\n baz'
].join('\r\n') + DCRLF,
expected: { 'content-type': [' text/plain'] },
cfg: {
maxHeaderSize: 31
},
what: 'should enforce maxHeaderSize of 31 and ignore the second header'
},
{
source: ['Content-Type:\r\n text/plain',
'Foo:\r\n bar\r\n baz'
].join('\r\n') + DCRLF,
expected: { 'content-type': [' text/plain'], foo: [''] },
cfg: {
maxHeaderSize: 32
},
what: 'should enforce maxHeaderSize of 32 and only add key of second header'
},
{
source: ['Content-Type:\r\n text/plain',
'Foo:\r\n bar\r\n baz'
].join('\r\n') + DCRLF,
expected: { 'content-type': [' text/plain'], foo: ['\r'] },
cfg: {
maxHeaderSize: 33
},
what: 'should enforce maxHeaderSize of 32 and get only first character of second pair'
},
{
source: ['Content-Type:\r\n text/plain',
' : '
].join('\r\n') + DCRLF,
expected: { 'content-type': [' text/plain : '] },
what: 'should not break if invalid header pair (colon exists but empty key and value) is provided'
},
{
source: ['Content-Type:\r\n text/plain',
'FoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobaz'
].join('\r\n') + DCRLF,
expected: { 'content-type': [' text/plain'] },
what: 'should not break if invalid header pair (no distinctive colon) is provided'
},
{
source: ['Content-Type:\r\n text/plain',
':FoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobazFoobaz'
].join('\r\n') + DCRLF,
expected: { 'content-type': [' text/plain'] },
what: 'should not break if invalid header pair (no key) is provided'
},
{
source: ['Content-Type:\t text/plain',
'Content-Length:0'
].join('\r\n') + DCRLF,
cfg: {
maxHeaderPairs: 2
},
expected: { 'content-type': [' text/plain'], 'content-length': ['0'] },
what: 'should enforce maxHeaderPairs of 2'
},
{
source: ['Content-Type:\r\n text/plain',
'Foo:\r\n bar\r\n baz'
].join('\r\n') + DCRLF,
expected: { 'content-type': [' text/plain'], foo: [' bar baz'] },
what: 'Folded values'
},
{
source: [
'Foo: bar',
'Foo: baz'
].join('\r\n') + DCRLF,
expected: { foo: ['bar', 'baz'] },
what: 'Folded values'
},
{
source: ['Content-Type:',
'Foo: '
].join('\r\n') + DCRLF,
expected: { 'content-type': [''], foo: [''] },
what: 'Empty values'
},
{
source: MAXED_BUFFER.toString('ascii') + DCRLF,
expected: {},
what: 'Max header size (single chunk)'
},
{
source: ['ABCDEFGHIJ', MAXED_BUFFER.toString('ascii'), DCRLF],
expected: {},
what: 'Max header size (multiple chunks #1)'
},
{
source: [MAXED_BUFFER.toString('ascii'), MAXED_BUFFER.toString('ascii'), DCRLF],
expected: {},
what: 'Max header size (multiple chunk #2)'
}
]
t.plan(tests.length)
tests.forEach(function (v) {
t.test(v.what, t => {
t.plan(4)
const cfg = {
...v.cfg
}
const parser = Object.keys(cfg).length ? new HeaderParser(cfg) : new HeaderParser()
let fired = false
parser.on('header', function (header) {
t.ok(!fired, `${v.what}: Header event fired more than once`)
fired = true
t.strictSame(header,
v.expected,
`${v.what}: Parsed result mismatch`)
})
if (!Array.isArray(v.source)) { v.source = [v.source] }
v.source.forEach(function (s) {
parser.push(s)
})
t.ok(fired, `${v.what}: Did not receive header from parser`)
t.pass()
})
})
})
|
