File size: 10,957 Bytes
1e92f2d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 |
import type { IncomingHttpHeaders } from 'http'
import { HeadersAdapter, ReadonlyHeadersError } from './headers'
describe('HeadersAdapter', () => {
it('should be able to create a new instance from an IncomingHttpHeaders', () => {
const headers = {
'content-type': 'application/json',
'x-custom-header': 'custom',
}
const adapter = HeadersAdapter.from(headers)
expect(adapter).toBeInstanceOf(HeadersAdapter)
expect(adapter.get('content-type')).toBe('application/json')
expect(adapter.get('x-custom-header')).toBe('custom')
})
it('should be able to create a new instance from a Headers', () => {
const headers = new Headers({
'content-type': 'application/json',
'x-custom-header': 'custom',
})
const adapter = HeadersAdapter.from(headers)
expect(adapter).toBeInstanceOf(Headers)
expect(adapter.get('content-type')).toBe('application/json')
expect(adapter.get('x-custom-header')).toBe('custom')
})
it('should be able to create a new instance from a HeadersAdapter', () => {
const headers = new HeadersAdapter({
'content-type': 'application/json',
'x-custom-header': 'custom',
})
const adapter = HeadersAdapter.from(headers)
expect(adapter).toBeInstanceOf(HeadersAdapter)
expect(adapter.get('content-type')).toBe('application/json')
expect(adapter.get('x-custom-header')).toBe('custom')
})
it('should be able to create a new instance from an object', () => {
const headers = {
'content-type': 'application/json',
'x-custom-header': 'custom',
}
const adapter = new HeadersAdapter(headers)
expect(adapter).toBeInstanceOf(HeadersAdapter)
expect(adapter.get('content-type')).toBe('application/json')
expect(adapter.get('x-custom-header')).toBe('custom')
})
it('should handle multiple values for a header', () => {
const headers: IncomingHttpHeaders = {
'content-type': 'application/json',
'x-custom-headers': ['custom', 'custom2'],
}
const adapter = HeadersAdapter.from(headers)
expect(adapter).toBeInstanceOf(HeadersAdapter)
expect(adapter.get('content-type')).toBe('application/json')
expect(adapter.get('x-custom-headers')).toBe('custom, custom2')
})
describe('entries', () => {
it('should return an iterator of entries', () => {
const headers = new HeadersAdapter({
'Content-Type': 'application/json',
'X-Custom-Header': 'custom',
})
expect(headers).toBeInstanceOf(HeadersAdapter)
expect(headers).toBeInstanceOf(Headers)
// Check to see that the entries is an iterator.
const entries = headers.entries()
expect(typeof entries[Symbol.iterator]).toBe('function')
expect(typeof entries.next).toBe('function')
headers.set('x-custom-header', 'custom2')
// Check to see that the iterator returns the correct values with
// lowercased header names.
const array = Array.from(headers.entries())
expect(array).toBeInstanceOf(Array)
expect(array).toHaveLength(2)
expect(array).toEqual([
['content-type', 'application/json'],
['x-custom-header', 'custom2'],
])
})
})
describe('keys', () => {
it('should return an iterator of keys', () => {
const headers = new HeadersAdapter({
'Content-Type': 'application/json',
'X-Custom-Header': 'custom',
})
// Check to see that the keys is an iterator.
const keys = headers.keys()
expect(typeof keys[Symbol.iterator]).toBe('function')
expect(typeof keys.next).toBe('function')
headers.set('x-custom-header', 'custom2')
// Check to see that the iterator returns the correct values with
// lowercased header names.
const array = Array.from(headers.keys())
expect(array).toBeInstanceOf(Array)
expect(array).toHaveLength(2)
expect(array).toEqual(['content-type', 'x-custom-header'])
})
})
describe('values', () => {
it('should return an iterator of values', () => {
const headers = new HeadersAdapter({
'Content-Type': 'application/json',
'X-Custom-Header': 'custom',
})
// Check to see that the values is an iterator.
const values = headers.values()
expect(typeof values[Symbol.iterator]).toBe('function')
expect(typeof values.next).toBe('function')
headers.set('x-custom-header', 'custom2')
// Check to see that the iterator returns the correct values.
const array = Array.from(headers.values())
expect(array).toBeInstanceOf(Array)
expect(array).toHaveLength(2)
expect(array).toEqual(['application/json', 'custom2'])
})
})
describe('forEach', () => {
it('should iterate over all entries', () => {
const headers = new HeadersAdapter({
'Content-Type': 'application/json',
'X-Custom-Header': 'custom',
})
const spy = jest.fn()
headers.forEach(spy)
expect(spy).toHaveBeenCalledTimes(2)
expect(spy).toHaveBeenNthCalledWith(
1,
'application/json',
'content-type',
headers
)
expect(spy).toHaveBeenNthCalledWith(
2,
'custom',
'x-custom-header',
headers
)
})
})
describe('iterator', () => {
it('should iterate over all entries', () => {
const headers = new HeadersAdapter({
'Content-Type': 'application/json',
'X-Custom-Header': 'custom',
})
const array = Array.from(headers)
expect(array).toBeInstanceOf(Array)
expect(array).toHaveLength(2)
expect(array).toEqual([
['content-type', 'application/json'],
['x-custom-header', 'custom'],
])
headers.set('x-custom-header', 'custom2')
const array2 = Array.from(headers)
expect(array2).toBeInstanceOf(Array)
expect(array2).toHaveLength(2)
expect(array2).toEqual([
['content-type', 'application/json'],
['x-custom-header', 'custom2'],
])
})
})
describe('case-insensitive', () => {
it('should handle different case for header names', () => {
const headers = new HeadersAdapter({
'Content-Type': 'application/json',
})
expect(headers).toBeInstanceOf(HeadersAdapter)
expect(headers).toBeInstanceOf(Headers)
expect(headers.get('content-type')).toBe('application/json')
expect(headers.get('Content-Type')).toBe('application/json')
})
it('should handle different case for header names when mutated out of band', () => {
const incoming: IncomingHttpHeaders = {
'Content-Type': 'application/json',
}
const headers = new HeadersAdapter(incoming)
expect(headers).toBeInstanceOf(HeadersAdapter)
expect(headers).toBeInstanceOf(Headers)
expect(headers.get('content-type')).toBe('application/json')
expect(headers.get('Content-Type')).toBe('application/json')
incoming['X-Custom-Header'] = 'custom'
expect(headers.get('X-Custom-Header')).toBe('custom')
expect(headers.get('x-custom-header')).toBe('custom')
headers.set('x-custom-header', 'custom2')
expect(headers.get('X-Custom-Header')).toBe('custom2')
expect(headers.get('x-custom-header')).toBe('custom2')
// Ensure the original headers object was mutated.
expect(incoming['X-Custom-Header']).toBe('custom2')
})
})
describe('sealed', () => {
it('should be able to seal a Headers instance', () => {
const headers = new Headers({
'content-type': 'application/json',
'x-custom-header': 'custom',
})
const sealed = HeadersAdapter.seal(headers)
expect(sealed).toBeInstanceOf(Headers)
expect(sealed.get('content-type')).toBe('application/json')
expect(sealed.get('x-custom-header')).toBe('custom')
// These methods are not available on the sealed instance
expect(() =>
(sealed as any).append('x-custom-header', 'custom2')
).toThrow(ReadonlyHeadersError)
expect(() =>
(sealed as any).append('x-custom-header', 'custom2')
).toThrow(ReadonlyHeadersError)
expect(() => (sealed as any).delete('x-custom-header')).toThrow(
ReadonlyHeadersError
)
expect(() => (sealed as any).set('x-custom-header', 'custom2')).toThrow(
ReadonlyHeadersError
)
expect(sealed.get('content-type')).toBe('application/json')
expect(sealed.get('x-custom-header')).toBe('custom')
})
it('should be able to seal a HeadersAdapter instance', () => {
const headers = new HeadersAdapter({
'content-type': 'application/json',
'x-custom-header': 'custom',
})
const sealed = HeadersAdapter.seal(headers)
expect(sealed).toBeInstanceOf(HeadersAdapter)
expect(sealed).toBeInstanceOf(Headers)
// These methods are not available on the sealed instance
expect(() =>
(sealed as any).append('x-custom-header', 'custom2')
).toThrow(ReadonlyHeadersError)
expect(() => (sealed as any).delete('x-custom-header')).toThrow(
ReadonlyHeadersError
)
expect(() => (sealed as any).set('x-custom-header', 'custom2')).toThrow(
ReadonlyHeadersError
)
// Ensure nothing was actually changed.
expect(sealed.get('content-type')).toBe('application/json')
expect(sealed.get('x-custom-header')).toBe('custom')
})
it('should be able to seal a HeadersAdapter and still mutate the original', () => {
const incoming: IncomingHttpHeaders = {
'content-type': 'application/json',
'X-Custom-Header': 'custom',
}
const headers = new HeadersAdapter(incoming)
const sealed = HeadersAdapter.seal(headers)
expect(sealed).toBeInstanceOf(HeadersAdapter)
expect(sealed).toBeInstanceOf(Headers)
// These methods are not available on the sealed instance
expect(() =>
(sealed as any).append('x-custom-header', 'custom2')
).toThrow(ReadonlyHeadersError)
expect(() => (sealed as any).delete('x-custom-header')).toThrow(
ReadonlyHeadersError
)
expect(() => (sealed as any).set('x-custom-header', 'custom2')).toThrow(
ReadonlyHeadersError
)
// Ensure nothing was actually changed.
expect(sealed.get('content-type')).toBe('application/json')
expect(sealed.get('x-custom-header')).toBe('custom')
// Mutate the original.
headers.append('x-custom-header', 'custom2')
// Ensure the original was mutated.
expect(headers.get('content-type')).toBe('application/json')
expect(headers.get('x-custom-header')).toBe('custom, custom2')
// Mutate the incoming headers object.
incoming['X-Custom-Header'] = 'custom3'
expect(headers.get('x-custom-header')).toBe('custom3')
expect(sealed.get('x-custom-header')).toBe('custom3')
})
})
})
|