django-rest-framework - Web APIs for Django.

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docs/api-guide/exceptions.md

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/**
 * The MIT License
 *
 * Copyright (c) 2010 Adam Abrons and Misko Hevery http://getangular.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */


/*

 NUGGGGGH MUST TONGUE WANGS
                           \
                                .....
                               C C  /
                              /<   /
               ___ __________/_#__=o
              /(- /(\_\________   \
              \ ) \ )_      \o     \
              /|\ /|\       |'     |
                            |     _|
                            /o   __\
                           / '     |
                          / /      |
                         /_/\______|
                        (   _(    <
                         \    \    \
                          \    \    |
                           \____\____\
                           ____\_\__\_\
                         /`   /`     o\
                         |___ |_______|.. . b'ger


 IN THE FINAL BUILD THIS FILE DOESN'T HAVE DIRECT ACCESS TO GLOBAL FUNCTIONS
 DEFINED IN Angular.js YOU *MUST* REFER TO THEM VIA angular OBJECT
 (e.g. angular.forEach(...)) AND MAKE SURE THAT THE GIVEN FUNCTION IS EXPORTED
 TO THE angular NAMESPACE in AngularPublic.js

 */


function MockBrowser() {
  var self = this,
      expectations = {},
      requests = [];

  this.isMock = true;
  self.url = "http://server";
  self.lastUrl = self.url; // used by url polling fn
  self.pollFns = [];


  // register url polling fn

  self.onHashChange = function(listener) {
    self.pollFns.push(
      function() {
        if (self.lastUrl != self.url) {
          listener();
        }
      }
    );

    return listener;
  };


  self.xhr = function(method, url, data, callback) {
    if (angular.isFunction(data)) {
      callback = data;
      data = null;
    }
    if (data && angular.isObject(data)) data = angular.toJson(data);
    if (data && angular.isString(data)) url += "|" + data;
    var expect = expectations[method] || {};
    var response = expect[url];
    if (!response) {
      throw {
        message: "Unexpected request for method '" + method + "' and url '" + url + "'.",
        name: "Unexpected Request"
      };
    }
    requests.push(function(){
      callback(response.code, response.response);
    });
  };
  self.xhr.expectations = expectations;
  self.xhr.requests = requests;
  self.xhr.expect = function(method, url, data) {
    if (data && angular.isObject(data)) data = angular.toJson(data);
    if (data && angular.isString(data)) url += "|" + data;
    var expect = expectations[method] || (expectations[method] = {});
    return {
      respond: function(code, response) {
        if (!angular.isNumber(code)) {
          response = code;
          code = 200;
        }
        expect[url] = {code:code, response:response};
      }
    };
  };
  self.xhr.expectGET    = angular.bind(self, self.xhr.expect, 'GET');
  self.xhr.expectPOST   = angular.bind(self, self.xhr.expect, 'POST');
  self.xhr.expectDELETE = angular.bind(self, self.xhr.expect, 'DELETE');
  self.xhr.expectPUT    = angular.bind(self, self.xhr.expect, 'PUT');
  self.xhr.expectJSON   = angular.bind(self, self.xhr.expect, 'JSON');
  self.xhr.flush = function() {
    while(requests.length) {
      requests.pop()();
    }
  };

  self.cookieHash = {};
  self.lastCookieHash = {};
  self.deferredFns = [];

  self.defer = function(fn) {
    self.deferredFns.push(fn);
  };

  self.defer.flush = function() {
    while (self.deferredFns.length) self.deferredFns.shift()();
  };
}
MockBrowser.prototype = {

  poll: function poll(){
    angular.forEach(this.pollFns, function(pollFn){
      pollFn();
    });
  },

  addPollFn: function(pollFn) {
    this.pollFns.push(pollFn);
    return pollFn;
  },

  hover: function(onHover) {
  },

  getUrl: function(){
    return this.url;
  },

  setUrl: function(url){
    this.url = url;
  },

  cookies:  function(name, value) {
    if (name) {
      if (value == undefined) {
        delete this.cookieHash[name];
      } else {
        if (angular.isString(value) &&       //strings only
            value.length <= 4096) {          //strict cookie storage limits
          this.cookieHash[name] = value;
        }
      }
    } else {
      if (!angular.equals(this.cookieHash, this.lastCookieHash)) {
        this.lastCookieHash = angular.copy(this.cookieHash);
        this.cookieHash = angular.copy(this.cookieHash);
      }
      return this.cookieHash;
    }
  }
};

angular.service('$browser', function(){
  return new MockBrowser();
});


/**
 * Mock of the Date type which has its timezone specified via constroctor arg.
 *
 * The main purpose is to create Date-like instances with timezone fixed to the specified timezone
 * offset, so that we can test code that depends on local timezone settings without dependency on
 * the time zone settings of the machine where the code is running.
 *
 * @param {number} offset Offset of the *desired* timezone in hours (fractions will be honored)
 * @param {(number|string)} timestamp Timestamp representing the desired time in *UTC*
 *
 * @example
 * var newYearInBratislava = new TzDate(-1, '2009-12-31T23:00:00Z');
 * newYearInBratislava.getTimezoneOffset() => -60;
 * newYearInBratislava.getFullYear() => 2010;
 * newYearInBratislava.getMonth() => 0;
 * newYearInBratislava.getDate() => 1;
 * newYearInBratislava.getHours() => 0;
 * newYearInBratislava.getMinutes() => 0;
 *
 *
 * !!!! WARNING !!!!!
 * This is not a complete Date object so only methods that were implemented can be called safely.
 * To make matters worse, TzDate instances inherit stuff from Date via a prototype.
 *
 * We do our best to intercept calls to "unimplemented" methods, but since the list of methods is
 * incomplete we might be missing some non-standard methods. This can result in errors like:
 * "Date.prototype.foo called on incompatible Object".
 */
function TzDate(offset, timestamp) {
  if (angular.isString(timestamp)) {
    var tsStr = timestamp;

    this.origDate = angular.String.toDate(timestamp);

    timestamp = this.origDate.getTime();
    if (isNaN(timestamp))
      throw {
        name: "Illegal Argument",
        message: "Arg '" + tsStr + "' passed into TzDate constructor is not a valid date string"
      };
  } else {
    this.origDate = new Date(timestamp);
  }

  var localOffset = new Date(timestamp).getTimezoneOffset();
  this.offsetDiff = localOffset*60*1000 - offset*1000*60*60;
  this.date = new Date(timestamp + this.offsetDiff);

  this.getTime = function() {
    return this.date.getTime() - this.offsetDiff;
  };

  this.toLocaleDateString = function() {
    return this.date.toLocaleDateString();
  };

  this.getFullYear = function() {
    return this.date.getFullYear();
  };

  this.getMonth = function() {
    return this.date.getMonth();
  };

  this.getDate = function() {
    return this.date.getDate();
  };

  this.getHours = function() {
    return this.date.getHours();
  };

  this.getMinutes = function() {
    return this.date.getMinutes();
  };

  this.getSeconds = function() {
    return this.date.getSeconds();
  };

  this.getTimezoneOffset = function() {
    return offset * 60;
  };

  this.getUTCFullYear = function() {
    return this.origDate.getUTCFullYear();
  };

  this.getUTCMonth = function() {
    return this.origDate.getUTCMonth();
  };

  this.getUTCDate = function() {
    return this.origDate.getUTCDate();
  };

  this.getUTCHours = function() {
    return this.origDate.getUTCHours();
  };

  this.getUTCMinutes = function() {
    return this.origDate.getUTCMinutes();
  };

  this.getUTCSeconds = function() {
    return this.origDate.getUTCSeconds();
  };


  //hide all methods not implemented in this mock that the Date prototype exposes
  var unimplementedMethods = ['getDay', 'getMilliseconds', 'getTime', 'getUTCDay',
      'getUTCMilliseconds', 'getYear', 'setDate', 'setFullYear', 'setHours', 'setMilliseconds',
      'setMinutes', 'setMonth', 'setSeconds', 'setTime', 'setUTCDate', 'setUTCFullYear',
      'setUTCHours', 'setUTCMilliseconds', 'setUTCMinutes', 'setUTCMonth', 'setUTCSeconds',
      'setYear', 'toDateString', 'toJSON', 'toGMTString', 'toLocaleFormat', 'toLocaleString',
      'toLocaleTimeString', 'toSource', 'toString', 'toTimeString', 'toUTCString', 'valueOf'];

  angular.forEach(unimplementedMethods, function(methodName) {
    this[methodName] = function() {
      throw {
        name: "MethodNotImplemented",
        message: "Method '" + methodName + "' is not implemented in the TzDate mock"
      };
    };
  });
}

//make "tzDateInstance instanceof Date" return true
TzDate.prototype = Date.prototype;