X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=a2%2F1cases.tex;h=6eaa380ce941cc9fc178418605396b876f184cc7;hb=843e1ab911205f4b72de3749b10471f38a235568;hp=d8825ed5ce81eb5b5b6157eefd39fc350c0e7c11;hpb=48364b0cd18f9740aedb204b1c1b571a5cd91e67;p=tt2015.git diff --git a/a2/1cases.tex b/a2/1cases.tex index d8825ed..6eaa380 100644 --- a/a2/1cases.tex +++ b/a2/1cases.tex @@ -1,51 +1,116 @@ \subsection{Preflight checklist} - Before actual certification is commenced we perform a manual test using a checklist. If any of the checks fail we immediately reject the product. - -\begin{enumerate} - \item Is the product complete? - \item Does the product come with a manual or quick start guide? - \item Is it possible to get the product in a usable state? - \item Can we use the product to initiate a connection in a corruption - free environment? -\end{enumerate} - -\textbf{DIT MOET VERANDERD WORDEN, HET PRODUCT ZOU AFGEKEURD WORDEN!} +The checklist is given in the table below. All commands in \texttt{monospace} +are to be run in a terminal. Commands prefixed with a \texttt{\#} should be run +with root permissions. Commands prefixed with a \texttt{\$} should be run with +user permissions. + +\begin{longtabu}{|l|X|} + \hline + Check 1 & Get the SUT in a workable state. \\ + \hline + Course of action & + \begin{enumerate} + \item Import the VirtualBox image into VirtualBox. + \item Boot the vm. + \item Verify the SUT booted successfully and the network modules + are loaded. + \end{enumerate}\\ + \hline Passed & \textit{Yes/No} \\ + \hline\hline + Check 2 & Verify the SUT is complete. \\\hline + Course of action & + \begin{enumerate} + \item Boot the SUT as in \emph{Check 1}. + \item Verify the loopback device exists by running + \texttt{\$ ifconfig}. + \item Verify the \emph{echo-server} is present on the system. + \item Verify \emph{Scapy} is present on the system by running + \texttt{\$ scapy}. + \item Verify all scripts used for testing are present on the + system. + \end{enumerate}\\ + \hline + Passed & \textit{Yes/No}\\ + Check 3 & Initialize the testing environment.\\ + \hline + Course of action & + \begin{enumerate} + \item Boot the SUT as in \emph{Check 1}. + \item Setup iptables by executing + \texttt{\# code/iptables.sh}~\footnote{ The IPTables script + ensures that the OS does not drop packets due to an the + unknown source.} + \item Navigate to the working directory by running + \texttt{\$ cd /home/student/tt2015} + \item Compile the echo server by running + \texttt{\# cd code/server \&\& make \&\& cd -} + \item Start the echo server by running + \texttt{\# cd code/server \&\& java Main} + \end{enumerate}\\ + \hline + Passed & \textit{Yes/No}\\ + \hline\hline + Check 4 & Test the tool environment.\\ + \hline + Course of action & + \begin{enumerate} + \item Initialize the SUT as in \emph{Check 3} + \item Execute the test script by running + \texttt{\# code/client/helloworld.py}. + \item Verify the console displays a success message. + \end{enumerate}\\ + \hline + Passed & \textit{Yes/No}\\ + \hline\hline + Check 5 & All test inputs and scripts are present. \\\hline + % DIT MOET NOG EVEN ANDERS + Course of action & + \begin{enumerate} + \item Boot the SUT as in \emph{Check 1}. + \item Execute the command \texttt{ls scripts/tests} + \item Verify that there is a file named case$X$ for each test case $X$ + \item Use \emph{ls packets} + \item Verify that there is a file named \texttt{single.pcap} and + \texttt{multi.pcap}. + \end{enumerate}\\ + \hline + Passed & \textit{Yes/No}\\ + \hline + \caption{Preflight checklist\label{tbl:preflight}} +\end{longtabu} \subsection{Testing of SUT} - -The SUT is a series of services for other computer programs with no end-user -facing -interface. Therefore the SUT will be tested solely by calling it's services -through various automated scripts. An automated test suite will be available -which executes all these automated scripts and aggregates their results to -asses whether or not the SUT has passed the test. +The SUT is a series of services for other computer programs with no end-user +facing interface. Therefore the SUT will be tested solely by calling it's +services through various automated scripts. An automated test suite will be +available which executes all these automated scripts and aggregates their +results to asses whether or not the SUT has passed the test. The implementation of the SUT is tested using black box testing techniques. A series of tests asses the correctness of the implementation with regards to the TCP specification. These tests are specified in Table~\textbf{referentie naar -tests-tabel}. The test cases aim to cover the most interesting parts of the -TCP specification. +tests-tabel}. The test cases aim to cover the most interesting parts of the TCP +specification. To cover the TCP specification as complete as possible while still maintaining a feasible test suite the tests are divided into equivalence partitions. Below these partitions are given. \begin{enumerate} - \item \emph{Number of packets} in request\footnotemark - \footnotetext{A request is considered establishing a connection - (handshake) and any n number of payloadpackts} + \item \emph{Number of packets} in request~\footnote{A request is considered + establishing a connection (handshake) and a number of payload packets} \begin{enumerate} \item 0 payload packets \item 1 payload packet \item n=small payload packets \item n=big payload packets \end{enumerate} - \item Correct or Incorrect \emph{source port} - \item Correct or Incorrect \emph{Destination port} - \item Bits flipped in \emph{Payload} + \item Correct or incorrect \emph{source port} + \item Correct or incorrect \emph{destination port} + \item Bits flipped in \emph{payload} \begin{enumerate} \item Correct payload \item Payload with even number of bits flipped @@ -55,17 +120,33 @@ these partitions are given. \item Packets received in or out of order, or missing packets \end{enumerate} -\textbf{hier iets over waarom deze partities relevant zijn!} +\textbf{hier iets over waarom deze partities relevant zijn! Waarom odd en +even number of bits flipped bijv interessant?} +\bigskip Partitions 2 to 6 are tested using pairwise testing to keep the number of test cases feasible. The pairs are then all *except some where it does not make sense to do so) tested with the different request sizes of partition 1. -This is expressed in the table below. - -\vspace{3mm} -\textbf{Hier daadwerkelijke decision tabel} -\vspace{3mm} +This is expressed in Table~\ref{table:testpairs}. + +\begin{table} +% DIT MAAK IK NOG EVEN MOOI + \begin{tabularx}{\linewidth}{p{2cm} | l | p{2cm} | l | p{1cm} || c | c | p{1.3cm} | p{1.3cm}} + \textbf{Payload} & \textbf{checksum} & \textbf{destination port} & \textbf{order} & \textbf{source port} & \textbf{payload 0} & \textbf{payload 1} & \textbf{payload small} & \textbf{payload big} \\ \hline \hline + Correct & Correct & Correct & In order & Correct & \checkmark & \checkmark & \checkmark & \checkmark \\ \hline + Correct & Incorrect & Incorrect & Missing packet & Incorrect & \xmark & \xmark & \checkmark & \checkmark \\ \hline + odd\# of bits flipped & Correct & Incorrect & Out of order & Incorrect & \xmark & \xmark & \checkmark & \checkmark \\ \hline + odd\# of bits flipped & Incorrect & Correct & Missing packet & Correct & \xmark & \xmark & \checkmark & \checkmark \\ \hline + even\# of bits flipped & Correct & Incorrect & Missing packet & Correct & \xmark & \xmark & \checkmark & \checkmark \\ \hline + even\# of bits flipped & Incorrect & Correct & Out of order & Incorrect & \xmark & \xmark & \checkmark & \checkmark \\ \hline + odd\# of bits flipped & Incorrect & Incorrect & In order & Incorrect & \checkmark & \checkmark & \checkmark & \checkmark \\ \hline + even\# of bits flipped & Incorrect & Incorrect & In order & Incorrect & \checkmark & \checkmark & \checkmark & \checkmark \\ \hline + Correct & Incorrect & Incorrect & Out of order & Correct & \xmark & \xmark & \checkmark & \checkmark \\ +\end{tabularx} +\caption{Combinations of test cases} +\label{table:testpairs} +\end{table} \subsection{Quality, completeness and coverage of tests} @@ -95,6 +176,53 @@ to ensure a test suite. To further decrease the number of tests needed test cases are divided into equivalence partitions and the combination of cases as described in -Table~(\textbf{referentie naar decision table}) ensures that all partitions are +Table~\ref{table:testpairs} ensures that all partitions are covered and the number of individual tests is still feasible. + +% +% wat ik ook probeer ik krijg de eerste collum +% zijn tekst niet verticaal gecentered +% + + +\subsection{Test cases} + +%\begin{table} +%\begin{tabularx}{\linewidth}{| l | X|} +%\hline +%Nr & 1 \\\hline +%Title & Single valid request. \\\hline +%Input & Pcap file with prerecorded valid packets. \\\hline +%Expected output & Pcap file with valid response to request. \\\hline +%Course of action & \begin{enumerate} +% \item Execute \emph{./scripts/tests/case1-single-valid.sh} +% \item Load \emph{output/case1.pcap} with ... +%\end{enumerate} \\\hline +%Valid trace & \begin{enumerate} +% \item \textbf{Hier packets benoemen?} +%\end{enumerate} \\\hline +%\end{tabularx} +% +%\begin{tabularx}{\linewidth}{| l | X|} +% \hline +% Nr & 2 \\\hline +%Title & Single request with corrupted checksum. \\\hline +% Input & Pcap file used as \emph{test-case 1} input. \\\hline +% Expected output & No response from SUT, logs with rejected packets. \\\hline +% Course of action & \begin{enumerate} +% \item Load input pcap file into .... +% \item Corrupt checksum of loaded packets. +% \item Save resulting packets as pcap file. +% \item Load new pcap file into ... +% \item Replay new pcap file. +% \item Record SUT response using... +% \item Extract log with rejected packets. +% \item Save recorded packets as a pcap file. +% \item Analyze packets in resulting file. +% \end{enumerate} \\\hline +% Valid trace & \begin{enumerate} +% \item \textbf{Aangeven welke packets corrupted zijn?} +% \end{enumerate} \\\hline +%\end{tabularx} +%\end{table}