avit

  # Mock all calls through .find on an ActiveRecord model
  # or its chained scopes
  def expect_find(model)
    @scope ||= model.scoped
    model.stub!(:scoped).and_return @scope
    @scope.should_receive(:find).ordered
  end

avit

std = Time.local(2013, 11, 3, 01, 00, 00)
# => 2013-11-03 01:00:00 -0800

dst = std - 3600
# => 2013-11-03 01:00:00 -0700

## Challenge:

# Is it possible to instantiate a time in the last hour of DST (01:00 - 01:59)
# without first having to create a nearby time to subtract from?

avit

require 'bundler'
require 'barometer'
require 'fakeweb'

module TestStubs
  module Barometer
    def self.stub!
      FakeWeb.register_uri(
        :get, %r[^http://api\.wunderground\.com/auto/wui/geo/WXCurrentObXML/index\.xml\?query],
        body: File.read(current_fixture_path)

avit

## app/models/project.rb

class Project
  autoload :Report, 'project_report'
end

## app/models/project_report.rb

class Project::Report
end

avit

class NullObject
  def true?;    false end
  def false?;   true end
  def nil?;     true end
  def blank?;   true end
  def present?; false end
  def empty?;   true end
  def to_s(*);  "" end
  def !;        true end

avit

module BacktickAttributeSyntax

  extend self

  # WARNING: this is a dangerous hack. Don't use it. It'll bite you if you ever
  # accidentally call backticks outside of a model.

  # Override backtick syntax to return an Arel attribute for use with
  # predications like `.gteq` in the model. To use the original shell
  # behaviour, (which should be very uncommon in ActiveRecord models), you can

avit

class Foo < ActiveRecord::Base

  serialize :check_in, TimeOfDayAttribute # dump/load for valid, empty, nil values tested independently

  # Setter will handle both String & TimeOfDay input
  # I want to test the getter before defining (and depending on) this method
  def check_in=(param)
    # ...
  end
end

avit

Oct 16 19:56:48 localhost mysqld_safe[27557]: ERROR: 1064  You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ALTER TABLE user ADD column Show_view_priv enum('N','Y') CHARACTER SET utf8 NOT ' at line 1
Oct 16 19:56:48 localhost mysqld_safe[27557]: 121016 19:56:48 [ERROR] Aborting

avit

<!-- this combination of inputs will throw Rack -->

<input name="event[dates][]" type="date" />
<input id="event_dates__destroy" name="event[dates][_destroy]" type="hidden" />

avit

class SomethingsController < ActionController::Base
  def create
    Time.zone = current_user.time_zone
    @another_user = current_user.friends.find(params[:friend_id])

    FriendMailer.message(@another_user).deliver

    # Wouldn't Time.zone be reset by the mailer before rendering the page here?
  end
end