Jasmine Promise Matchers

jasmine.promise-matchers.coffee

jasmine.Matchers.prototype.toBePromise = ->
  this.actual.done && !this.actual.resolve
jasmine.Matchers.prototype.toBeRejected = -> this.actual.isRejected()
jasmine.Matchers.prototype.toBeResolved = -> this.actual.isResolved()
jasmine.Matchers.prototype.toBeResolvedWith = -> 
  expectedArgs = jasmine.util.argsToArray(arguments);
  
  unless this.actual.done
    throw new Error('Expected a promise, but got ' + jasmine.pp(this.actual) + '.');
  
  done = jasmine.createSpy 'done'
  this.actual.done done
  
  this.message = ->
    if done.callCount == 0
      return [
        "Expected spy " + done.identity + " to have been resolved with " + jasmine.pp(expectedArgs) + " but it was never resolved.",
        "Expected spy " + done.identity + " not to have been resolved with " + jasmine.pp(expectedArgs) + " but it was."
      ];
    else
      return [
        "Expected spy " + done.identity + " to have been resolved with " + jasmine.pp(expectedArgs) + " but was resolved with " + jasmine.pp(done.argsForCall),
        "Expected spy " + done.identity + " not to have been resolved with " + jasmine.pp(expectedArgs) + " but was resolved with " + jasmine.pp(done.argsForCall)
      ];

  return this.env.contains_(done.argsForCall, expectedArgs);

jasmine.Matchers.prototype.toBeRejectedWith = -> 
  expectedArgs = jasmine.util.argsToArray(arguments);
  
  unless this.actual.fail
    throw new Error('Expected a promise, but got ' + jasmine.pp(this.actual) + '.');
  
  fail = jasmine.createSpy 'fail'
  this.actual.fail fail
  
  this.message = ->
    if fail.callCount == 0
      return [
        "Expected spy " + fail.identity + " to have been resolved with " + jasmine.pp(expectedArgs) + " but it was never resolved.",
        "Expected spy " + fail.identity + " not to have been resolved with " + jasmine.pp(expectedArgs) + " but it was."
      ];
    else
      return [
        "Expected spy " + fail.identity + " to have been resolved with " + jasmine.pp(expectedArgs) + " but was resolved with " + jasmine.pp(fail.argsForCall),
        "Expected spy " + fail.identity + " not to have been resolved with " + jasmine.pp(expectedArgs) + " but was resolved with " + jasmine.pp(fail.argsForCall)
      ];

  return this.env.contains_(fail.argsForCall, expectedArgs);

jasmine.promise-matchers.js

jasmine.Matchers.prototype.toBePromise = function() {
  return this.actual.done && !this.actual.resolve;
};

jasmine.Matchers.prototype.toBeRejected = function() {
  return this.actual.isRejected();
};

jasmine.Matchers.prototype.toBeResolved = function() {
  return this.actual.isResolved();
};

jasmine.Matchers.prototype.toBeResolvedWith = function() {
  var done, expectedArgs;
  expectedArgs = jasmine.util.argsToArray(arguments);
  if (!this.actual.done) {
    throw new Error('Expected a promise, but got ' + jasmine.pp(this.actual) + '.');
  }
  done = jasmine.createSpy('done');
  this.actual.done(done);
  this.message = function() {
    if (done.callCount === 0) {
      return ["Expected spy " + done.identity + " to have been resolved with " + jasmine.pp(expectedArgs) + " but it was never resolved.", "Expected spy " + done.identity + " not to have been resolved with " + jasmine.pp(expectedArgs) + " but it was."];
    } else {
      return ["Expected spy " + done.identity + " to have been resolved with " + jasmine.pp(expectedArgs) + " but was resolved with " + jasmine.pp(done.argsForCall), "Expected spy " + done.identity + " not to have been resolved with " + jasmine.pp(expectedArgs) + " but was resolved with " + jasmine.pp(done.argsForCall)];
    }
  };
  return this.env.contains_(done.argsForCall, expectedArgs);
};

jasmine.Matchers.prototype.toBeRejectedWith = function() {
  var expectedArgs, fail;
  expectedArgs = jasmine.util.argsToArray(arguments);
  if (!this.actual.fail) {
    throw new Error('Expected a promise, but got ' + jasmine.pp(this.actual) + '.');
  }
  fail = jasmine.createSpy('fail');
  this.actual.fail(fail);
  this.message = function() {
    if (fail.callCount === 0) {
      return ["Expected spy " + fail.identity + " to have been resolved with " + jasmine.pp(expectedArgs) + " but it was never resolved.", "Expected spy " + fail.identity + " not to have been resolved with " + jasmine.pp(expectedArgs) + " but it was."];
    } else {
      return ["Expected spy " + fail.identity + " to have been resolved with " + jasmine.pp(expectedArgs) + " but was resolved with " + jasmine.pp(fail.argsForCall), "Expected spy " + fail.identity + " not to have been resolved with " + jasmine.pp(expectedArgs) + " but was resolved with " + jasmine.pp(fail.argsForCall)];
    }
  };
  return this.env.contains_(fail.argsForCall, expectedArgs);
};