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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 | 1x 1x 1x 1x 1x 1x 1x 72x 72x 72x 72x 72x 72x 1x 1x 66x 66x 66x 66x 66x 1x 92x 18x 18x 74x 74x 74x 22x 22x 2x 22x 52x 23x 23x 29x 29x 1x 73x 73x 73x 73x 73x 8x 73x 73x 1x 73x 73x 6x 2x 4x 73x 83x 73x 73x 1x 27x 27x 7x 7x 2x 2x 2x 20x 11x 11x 11x 7x 1x 4x 1x 21x 21x 21x 21x 20x 5x 15x 13x 6x 2x 1x 17x 3x 3x 3x 1x 83x 83x 3x 83x 7x 7x 7x 7x 7x | /** * Module dependencies. */ var request = require('superagent'); var util = require('util'); var http = require('http'); var https = require('https'); var assert = require('assert'); var Request = request.Request; /** * Expose `Test`. */ module.exports = Test; /** * Initialize a new `Test` with the given `app`, * request `method` and `path`. * * @param {Server} app * @param {String} method * @param {String} path * @api public */ function Test(app, method, path, host) { Request.call(this, method.toUpperCase(), path); this.redirects(0); this.buffer(); this.app = app; this._asserts = []; this.url = typeof app === 'string' ? app + path : this.serverAddress(app, path, host); } /** * Inherits from `Request.prototype`. */ Object.setPrototypeOf(Test.prototype, Request.prototype); /** * Returns a URL, extracted from a server. * * @param {Server} app * @param {String} path * @returns {String} URL address * @api private */ Test.prototype.serverAddress = function(app, path, host) { var addr = app.address(); var port; var protocol; if (!addr) this._server = app.listen(0); port = app.address().port; protocol = app instanceof https.Server ? 'https' : 'http'; return protocol + '://' + (host || '127.0.0.1') + ':' + port + path; }; /** * Expectations: * * .expect(200) * .expect(200, fn) * .expect(200, body) * .expect('Some body') * .expect('Some body', fn) * .expect('Content-Type', 'application/json') * .expect('Content-Type', 'application/json', fn) * .expect(fn) * * @return {Test} * @api public */ Test.prototype.expect = function(a, b, c) { // callback if (typeof a === 'function') { this._asserts.push(a); return this; } if (typeof b === 'function') this.end(b); if (typeof c === 'function') this.end(c); // status if (typeof a === 'number') { this._asserts.push(this._assertStatus.bind(this, a)); // body if (typeof b !== 'function' && arguments.length > 1) { this._asserts.push(this._assertBody.bind(this, b)); } return this; } // header field if (typeof b === 'string' || typeof b === 'number' || b instanceof RegExp) { this._asserts.push(this._assertHeader.bind(this, { name: '' + a, value: b })); return this; } // body this._asserts.push(this._assertBody.bind(this, a)); return this; }; /** * Defer invoking superagent's `.end()` until * the server is listening. * * @param {Function} fn * @api public */ Test.prototype.end = function(fn) { var self = this; var server = this._server; var end = Request.prototype.end; end.call(this, function(err, res) { if (server && server._handle) return server.close(localAssert); localAssert(); function localAssert() { self.assert(err, res, fn); } }); return this; }; /** * Perform assertions and invoke `fn(err, res)`. * * @param {?Error} resError * @param {Response} res * @param {Function} fn * @api private */ Test.prototype.assert = function(resError, res, fn) { var error; var i; // check for unexpected network errors or server not running/reachable errors // when there is no response and superagent sends back a System Error // do not check further for other asserts, if any, in such case // https://nodejs.org/api/errors.html#errors_common_system_errors var sysErrors = { ECONNREFUSED: 'Connection refused', ECONNRESET: 'Connection reset by peer', EPIPE: 'Broken pipe', ETIMEDOUT: 'Operation timed out' }; if (!res && resError) { if (resError instanceof Error && resError.syscall === 'connect' && Object.getOwnPropertyNames(sysErrors).indexOf(resError.code) >= 0) { error = new Error(resError.code + ': ' + sysErrors[resError.code]); } else { error = resError; } } // asserts for (i = 0; i < this._asserts.length && !error; i += 1) { error = this._assertFunction(this._asserts[i], res); } // set unexpected superagent error if no other error has occurred. Iif (!error && resError instanceof Error && (!res || resError.status !== res.status)) { error = resError; } fn.call(this, error || null, res); }; /** * Perform assertions on a response body and return an Error upon failure. * * @param {Mixed} body * @param {Response} res * @return {?Error} * @api private */ Test.prototype._assertBody = function(body, res) { var isregexp = body instanceof RegExp; var a; var b; // parsed if (typeof body === 'object' && !isregexp) { try { assert.deepStrictEqual(body, res.body); } catch (err) { a = util.inspect(body); b = util.inspect(res.body); return error('expected ' + a + ' response body, got ' + b, body, res.body); } } else if (body !== res.text) { // string a = util.inspect(body); b = util.inspect(res.text); // regexp if (isregexp) { if (!body.test(res.text)) { return error('expected body ' + b + ' to match ' + body, body, res.body); } } else { return error('expected ' + a + ' response body, got ' + b, body, res.body); } } }; /** * Perform assertions on a response header and return an Error upon failure. * * @param {Object} header * @param {Response} res * @return {?Error} * @api private */ Test.prototype._assertHeader = function(header, res) { var field = header.name; var actual = res.header[field.toLowerCase()]; var fieldExpected = header.value; if (typeof actual === 'undefined') return new Error('expected "' + field + '" header field'); // This check handles header values that may be a String or single element Array if ((Array.isArray(actual) && actual.toString() === fieldExpected) || fieldExpected === actual) { return; } if (fieldExpected instanceof RegExp) { if (!fieldExpected.test(actual)) { return new Error('expected "' + field + '" matching ' + fieldExpected + ', got "' + actual + '"'); } } else { return new Error('expected "' + field + '" of "' + fieldExpected + '", got "' + actual + '"'); } }; /** * Perform assertions on the response status and return an Error upon failure. * * @param {Number} status * @param {Response} res * @return {?Error} * @api private */ Test.prototype._assertStatus = function(status, res) { var a; var b; if (res.status !== status) { a = http.STATUS_CODES[status]; b = http.STATUS_CODES[res.status]; return new Error('expected ' + status + ' "' + a + '", got ' + res.status + ' "' + b + '"'); } }; /** * Performs an assertion by calling a function and return an Error upon failure. * * @param {Function} fn * @param {Response} res * @return {?Error} * @api private */ Test.prototype._assertFunction = function(fn, res) { var err; try { err = fn(res); } catch (e) { err = e; } if (err instanceof Error) return err; }; /** * Return an `Error` with `msg` and results properties. * * @param {String} msg * @param {Mixed} expected * @param {Mixed} actual * @return {Error} * @api private */ function error(msg, expected, actual) { var err = new Error(msg); err.expected = expected; err.actual = actual; err.showDiff = true; return err; } |