add exercise for testing

Tutorials/T05-PyUnit/slides/Unit Testing.tex

@@ -405,16 +405,32 @@ class TestCircles:
 	\begin{itemize}
 		\item{\url{https://pypi.python.org/pypi/pytest-cov}}
 		\item{You can install it via pip: \texttt{pip install pytest-cov}}
-		\item{Then, in the source code directory, run \texttt{pytest --cov}}
 	\end{itemize}
-	\begin{figure}[b]
-		{\includegraphics[width=8cm]{test-coverage}}
-	\end{figure}
 \end{frame}
 
+\begin{frame}[fragile]
+\frametitle{Running the coverage plugin}
+\begin{itemize}
+	\item{In the source code directory, run \texttt{pytest --cov}}
+\end{itemize}
+\begin{figure}[b]
+	{\includegraphics[width=6cm]{test-coverage}}
+\end{figure}
+\begin{itemize}
+	\item{We can see that \texttt{CircleADT.py} has onlyl 51\% coverage. This is because only the methods \texttt{xcoord} and \texttt{ycoord} were tested}
+\end{itemize}
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{Exercise}
+\begin{itemize}
+	\item{The rest of the methods are left for you as practices}
+	\item{You can Refer to testStatistics.py for a more complete breakdown on how to test complicated functions}
+\end{itemize}
+\end{frame}
 
 \begin{frame}[fragile]
-\frametitle{Documentation on pytest}
+\frametitle{References}
 \begin{itemize}
 	\item {\url{https://docs.pytest.org/en/latest/xunit_setup.html}}
 	\item {\url{https://en.wikipedia.org/wiki/Code_coverage}}