--- a/testing-debugging/slides.tex Wed Nov 17 23:24:57 2010 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,278 +0,0 @@
-% Created 2010-11-12 Fri 02:00
-\documentclass[presentation]{beamer}
-\usepackage[latin1]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage{fixltx2e}
-\usepackage{graphicx}
-\usepackage{longtable}
-\usepackage{float}
-\usepackage{wrapfig}
-\usepackage{soul}
-\usepackage{t1enc}
-\usepackage{textcomp}
-\usepackage{marvosym}
-\usepackage{wasysym}
-\usepackage{latexsym}
-\usepackage{amssymb}
-\usepackage{hyperref}
-\tolerance=1000
-\usepackage[english]{babel} \usepackage{ae,aecompl}
-\usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}
-\usepackage{listings}
-\lstset{language=Python, basicstyle=\ttfamily\bfseries,
-commentstyle=\color{red}\itshape, stringstyle=\color{red},
-showstringspaces=false, keywordstyle=\color{blue}\bfseries}
-\providecommand{\alert}[1]{\textbf{#1}}
-
-\title{Testing and debugging}
-\author{FOSSEE}
-\date{}
-
-\usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent}
-\begin{document}
-
-\maketitle
-
-
-
-
-
-
-
-
-
-\begin{frame}
-\frametitle{Outline}
-\label{sec-1}
-
-\begin{itemize}
-\item What software Testing is?
-\item Learn to test simple functions for their functionality.
-\item Learn how to automate tests.
-\item Need for coding style and some of the standards followed by the Python Community.
-\item Handling Errors and Exceptions.
-\end{itemize}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{gcd function}
-\label{sec-2}
-
-\begin{itemize}
-\item Create gcd.py file with:
-\end{itemize}
-
-\begin{verbatim}
-def gcd(a, b):
- if a % b == 0:
- return b
- return gcd(b, a%b)
-\end{verbatim}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Test for gcd.py}
-\label{sec-3}
-
-\begin{itemize}
-\item Edit gcd.py file
-\end{itemize}
-
-\begin{verbatim}
-def gcd(a, b):
- if b == 0:
- return a
- return gcd(b, a%b)
-
-if __name__=='__main__':
- result = gcd(48, 64)
- if result != 16:
- print "Test failed"
- print "Test Passed"
-\end{verbatim}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Automating tests}
-\label{sec-4}
-
-\begin{verbatim}
-if __name=__='__main__':
-for line in open('numbers.txt'):
- numbers = line.split()
- x = int(numbers[0])
- y = int(numbers[1])
- result = int(numbers[2])
- if gcd(x, y) != result:
- print "Failed gcd test
- for", x, y
-\end{verbatim}
-\end{frame}
-\begin{frame}
-\frametitle{Question 1}
-\label{sec-5}
-
- For the same inputs as gcd write automated tests for LCM.
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Solution 1}
-\label{sec-6}
-
-\begin{verbatim}
-def gcd(a, b):
- if a % b == 0:
- return b
- return gcd(b, a%b)
-
- def lcm(a, b):
- return (a * b) / gcd(a, b)
-
- if __name__ == '__main__':
- for line in open('lcmtestcases.txt'):
- numbers = line.split()
- x = int(numbers[0])
- y = int(numbers[1])
- result = int(numbers[2])
- if lcm(x, y) != result:
- print "Failed lcm test for", x, y
-\end{verbatim}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Meaning full names}
-\label{sec-7}
-
-\begin{verbatim}
-
-amount = 12.68
-denom = 0.05
-nCoins = round(amount / denom)
-rAmount = nCoins * denom
-\end{verbatim}
-\end{frame}
-\begin{frame}
-\frametitle{Code style}
-\label{sec-8}
-
-\begin{itemize}
-\item Four Space Indentation
-\item 79 character limit on a line
-\item Funtions should be seperated by
- blank line
-\item Use Docstring
-\item White space around operators
-
-\begin{itemize}
-\item l = 32 \% 4
-\end{itemize}
-
-\end{itemize}
-\end{frame}
-\begin{frame}
-\frametitle{Question 2}
-\label{sec-9}
-
-\begin{itemize}
-\item Give meaningful names to the variables in following
- code
-
-\begin{itemize}
-\item c = a / b
-\end{itemize}
-
-\end{itemize}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Solution 2}
-\label{sec-10}
-
-\begin{verbatim}
-
-quotient = dividend / divisor
-\end{verbatim}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Code Snippet}
-\label{sec-11}
-
-\begin{verbatim}
-
-while True print 'Hello world'
-\end{verbatim}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Error}
-\label{sec-12}
-
-\begin{lstlisting}
- while True print 'Hello world'
- \end{lstlisting}
- \begin{lstlisting}
- File "<stdin>", line 1, in ?
- while True print 'Hello world'
-SyntaxError: invalid syntax
-\end{lstlisting}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Code Snippet}
-\label{sec-13}
-
-\begin{verbatim}
-a = raw_input("Enter a number")
-try:
- num = int(a)
- except:
- print "Wrong input ..."
-\end{verbatim}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Using idb}
-\label{sec-14}
-
-\small
-\begin{lstlisting}
-In []: import mymodule
-In []: mymodule.test()
----------------------------------------------
-NameError Traceback (most recent call last)
-<ipython console> in <module>()
-mymodule.py in test()
- 1 def test():
- 2 total=1+1
-----> 3 print spam
-NameError: global name 'spam' is not defined
-
-In []: %debug
-> mymodule.py(2)test()
- 0 print spam
-ipdb> total
-2
-\end{lstlisting}
-\end{frame}
-\begin{frame}
-\frametitle{Summary}
-\label{sec-15}
-
-\begin{itemize}
-\item Create simple tests for a function.
-\item Learn to Automate tests using many predefined test cases.
-\item Good coding standards.
-\item Difference between syntax error and exception.
-\item Handling exception using try and except.
-\item Using \%debug for debugging on ipython.
-\end{itemize}
-\end{frame}
-\begin{frame}
-\frametitle{Thank you!}
-\label{sec-16}
-
- \begin{block}{}
- \begin{center}
- This spoken tutorial has been produced by the
- \textcolor{blue}{FOSSEE} team, which is funded by the
- \end{center}
- \begin{center}
- \textcolor{blue}{National Mission on Education through \\
- Information \& Communication Technology \\
- MHRD, Govt. of India}.
- \end{center}
- \end{block}
-\end{frame}
-
-\end{document}