\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
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\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Ash Angell}
\pdfinfo{
  /Title (factorybot.pdf)
  /Creator (Cheatography)
  /Author (Ash Angell)
  /Subject (FactoryBot Cheat Sheet)
}

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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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% Font and Colours
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\definecolor{DarkBackground}{HTML}{5E29A3}
\definecolor{LightBackground}{HTML}{F4F1F9}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{FactoryBot Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Ash Angell} via \textcolor{DarkBackground}{\uline{cheatography.com/120958/cs/21962/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Ash Angell \\
  \uline{cheatography.com/ash-angell} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 7th March, 2020.\\
   Updated 8th March, 2020.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Defining factories}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{FactoryBot.define do \newline  \newline   \# Default  \newline   \# It will use the User class \newline   factory :user do \newline     first\_name \{ "John" \} \newline     last\_name \{ "Doe" \} \newline     admin \{ false \} \newline   end \newline  \newline   \# Specifying the class  \newline   \# It will use the User class, instead of Admin class \newline   factory :admin, class: User do \newline     first\_name \{ "Admin" \} \newline     last\_name \{ "User" \} \newline     admin \{ true \} \newline   end \newline end} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Options (transients)}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{factory :user do \newline   transient do \newline     upcased true \newline   end \newline  \newline   after :create do |user, options| \newline     user.name.upcase! if options.upcased \newline   end \newline end \newline   \newline create(user, upcased: true)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Transient attributes will not get passed to the model, but will be available in after-create hooks.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Nested Factories}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{factory :user do \newline   first\_name 'John' \newline  \newline   factory :sample\_user do \newline     first\_name \{ Faker::Name.first\_name \} \newline   end \newline end \newline  \newline create :sample\_user} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Traits}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{FactoryBot.define do \newline   factory :post do \newline     title \{ 'An awesome post' \} \newline     body \{ 'Lorem Ipsum...' \} \newline  \newline     trait :published do \newline       status \{ :published \} \newline     end \newline  \newline     trait :unpublished do \newline       status \{ :draft \} \newline     end \newline      \newline     trait :with\_comments do \newline       after(:create) do |post| \newline         create\_list :comment, 2, todo\_item: post \newline       end \newline     end \newline   end \newline end \newline  \newline \# then in your test \newline let(:post) \{ create(:post, :published) \} \newline  \newline \# or even with \newline let(:post) \{ create(:post, :published, :with\_comments) \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Trait helps you to remove duplication.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Building factories}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# Returns an User instance that's not saved \newline user = FactoryBot.build(:user) \newline  \newline \# Returns a saved User instance \newline user = FactoryBot.create(:user) \newline  \newline \# Returns a hash of attributes that can be used to build an User instance \newline attrs = \seqsplit{FactoryBot.attributes\_for(:user)} \newline  \newline \# Returns an object with all defined attributes stubbed out \newline stub = \seqsplit{FactoryBot.build\_stubbed(:user)} \newline  \newline \# Passing a block to any of the methods above will yield the return object \newline FactoryBot.create(:user) do |user| \newline   \seqsplit{user.posts.create(attributes\_for(:post))} \newline end \newline  \newline \# Overriding attributes of a factory \newline user = FactoryBot.build(:user, first\_name: "Joe") \newline user.first\_name \newline \# =\textgreater{} "Joe" \newline  \newline \# No matter which build strategy is used to override attributes \newline user = FactoryBot.create(:user, first\_name: "Joe") \newline user.first\_name \newline \# =\textgreater{} "Joe"} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Associations}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\# If the factory name is the same as the association name, it's simple \newline factory :post do \newline   author \newline end \newline  \newline \# You can also specify a different factory or override attributes \newline factory :post do \newline   \# ... \newline   association :author, factory: :user, last\_name: "Writely" \newline end \newline  \newline \# Builds and saves a User and a Post \newline post = FactoryBot.create(:post) \newline post.new\_record?        \# =\textgreater{} false \newline post.author.new\_record? \# =\textgreater{} false \newline  \newline \# Builds and saves a User, and then builds but does not save a Post \newline post = FactoryBot.build(:post) \newline post.new\_record?        \# =\textgreater{} true \newline post.author.new\_record? \# =\textgreater{} false} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Dependent attributes}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{factory :user do \newline   first\_name \{ "Joe" \} \newline   last\_name \{ "Blow" \} \newline   email \{ "\#\{first\_name\}.\#\{last\_name\}@example.com".downcase \} \newline end} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Attributes can be based on the values of other attributes.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Aliases}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{factory :user, aliases: {[}:author, :commenter{]} do \newline   first\_name \{ "John" \} \newline   last\_name \{ "Doe" \} \newline   date\_of\_birth \{ 18.years.ago \} \newline end \newline  \newline factory :post do \newline   \# instead of association :author, factory: :user \newline   author \newline   title \{ "How to read a book effectively" \} \newline   body \{ "There are five steps involved." \} \newline end \newline  \newline factory :comment do \newline   \# instead of association :commenter, factory: :user \newline   commenter \newline   body \{ "Great article!" \} \newline end} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Aliases allow to use named associations more easily.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}