1 #!/bin/bash

     2 

     3 # to make the script fail safely

     4 set -euo pipefail

     5 

     6 

     7 out=${1:-output}

     8 

     9 echo "" > $out

    10 

    11 echo -e `date` >> $out

    12 echo -e  "" >> $out

    13 echo "Below is the feedback and provisional marks for your submission" >> $out

    14 echo "for the Main Part 4 (Scala).  Please note all marks are provisional until" >> $out

    15 echo "ratified by the assessment board -- this is not an official" >> $out

    16 echo "results transcript." >> $out

    17 echo "" >> $out

    18 

    19 # marks for Main CW4

    20 marks=$(( 0 ))

    21 

    22 # compilation tests

    23 

    24 function scala_compile {

    25   (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -Xprint:parser "$1" 2> c$out 1> c$out)

    26 }

    27 

    28 # functional tests

    29 

    30 function scala_assert {

    31   (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)

    32 }

    33 

    34 function scala_assert_thirty {

    35   (ulimit -t 40; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)  

    36 }

    37 

    38 # purity test

    39 

    40 function scala_vars {

    41    (egrep '\bvar\b|\breturn\b|\.par\.|\.par |ListBuffer|AtomicInteger|mutable|util.control|new Array' c$out 2> /dev/null 1> /dev/null)

    42 }

    43 

    44 echo -e "" >> $out

    45 echo -e  "Below is the feedback for your submission knight1.scala" >> $out

    46 echo -e  "" >> $out

    47 

    48 

    49 # compilation test

    50 

    51 echo -e "knight1.scala is present?" | tee -a $out

    52 

    53 if [ -f "knight1.scala" ]; then

    54     echo -e "  --> success" | tee -a $out

    55     tsts=$(( 0 ))

    56 else 

    57     echo -e "  --> knight1.scala is not present\n" | tee -a $out

    58     tsts=$(( 1 )) 

    59 fi

    60 

    61 

    62 

    63 

    64 if [ $tsts -eq 0 ]

    65 then

    66     echo -e "knight1.scala runs?" | tee -a $out

    67     

    68     if (scala_compile knight1.scala)

    69     then

    70 	echo -e "  --> success " | tee -a $out

    71 	tsts=$(( 0 ))

    72     else

    73 	echo -e "  --> SCALA DID NOT RUN knight1.scala\n" | tee -a $out

    74 	tsts=$(( 1 )) 

    75     fi

    76 else

    77     tsts=$(( 1 ))  

    78 fi 

    79 

    80 # knights1: purity test

    81 

    82 

    83 if [ $tsts -eq 0 ]

    84 then 

    85     echo -e "knight1.scala does not contain VARS, RETURNS etc?" | tee -a $out

    86 

    87     if (scala_vars knight1.scala)

    88     then

    89 	echo -e "  --> TEST FAILED\n" | tee -a $out

    90 	tsts=$(( 1 ))

    91     else

    92 	echo -e "  --> success" | tee -a $out

    93 	tsts=$(( 0 )) 

    94     fi

    95 else

    96     tsts=$(( 1 ))  

    97 fi    

    98 

    99 

   100 ### knight4 test

   101 

   102 if [ $tsts -eq 0 ]

   103 then

   104   echo -e " Let f = (x:(Int, Int)) => if (x._1 > 3) Some(List(x)) else None " | tee -a $out

   105   echo -e "   first(List((1,0),(2,0),(3,0),(4,0)), f) == Some(List((4,0)))" | tee -a $out

   106   echo -e "   first(List((1,0),(2,0),(3,0)), f) == None" | tee -a $out  

   107   

   108   if (scala_assert "knight1.scala" "knight1_test4.scala") 

   109   then

   110       echo -e "  --> success" | tee -a $out

   111       marks=$(( marks + 1 ))

   112   else

   113       echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out

   114   fi

   115 fi

   116 

   117 sleep 4

   118 

   119 ### knight5 test

   120 

   121 if [ $tsts -eq 0 ]

   122 then

   123   echo -e " is first_tour(6, List((0,0))) ok? " | tee -a $out

   124   echo -e " is first_tour(4, List((0,0))) == None " | tee -a $out

   125   START=$(date +%s)

   126   

   127   if (scala_assert_thirty "knight1.scala" "knight1_test5.scala") 

   128   then

   129       END=$(date +%s)

   130       DIFF=$(( $END - $START ))

   131       echo -e "  This test ran for $DIFF seconds" | tee -a $out  

   132       echo -e "  --> success" | tee -a $out

   133       marks=$(( marks + 1 ))

   134   else

   135       END=$(date +%s)

   136       DIFF=$(( $END - $START ))

   137       echo -e "  This test ran for $DIFF seconds" | tee -a $out 

   138       echo -e "  --> TEST FAILED\n" | tee -a $out

   139   fi

   140 fi

   141 

   142 

   143 echo -e "" >> $out

   144 echo -e  "Below is the feedback for your submission knight2.scala" >> $out

   145 echo -e  "" >> $out

   146 

   147 

   148 # knights2: compilation test

   149 

   150 echo "knight2.scala runs?" | tee -a $out

   151 

   152 if (scala_compile knight2.scala)

   153 then

   154     echo -e "  --> success" | tee -a $out

   155     tsts=$(( 0 ))

   156 else

   157     echo -e "  --> SCALA DID NOT RUN knight2.scala\n" | tee -a $out

   158     tsts=$(( 1 )) 

   159 fi

   160 

   161 

   162 

   163 # knights2: purity test

   164 #

   165 if [ $tsts -eq 0 ]

   166 then 

   167     echo "knight2.scala does not VARS, RETURNS etc?" | tee -a $out

   168 

   169     if (scala_vars knight2.scala)

   170     then   

   171 	echo -e "  --> TEST FAILED\n" | tee -a $out

   172 	tsts=$(( 1 ))

   173     else

   174 	echo -e "  --> success" | tee -a $out

   175 	tsts=$(( 0 )) 

   176     fi

   177 else

   178     tsts=$(( 1 ))  

   179 fi

   180 

   181 

   182 # ordered move test

   183 

   184 if [ $tsts -eq 0 ]

   185 then

   186   echo -e " ordered_moves(8, List((3,4), (3,2)), (1,3)) == List((0,1), (0,5), (2,1), (2,5))" | tee -a $out

   187   echo -e " ordered_moves(8, List((4,0)), (0,0)) == List((2,1), (1,2))" | tee -a $out

   188   echo -e " ordered_moves(8, List((0,4)), (0,0)) == List((1,2), (2,1))" | tee -a $out

   189   

   190   if (scala_assert "knight2.scala" "knight2_test6.scala")

   191   then

   192       echo -e "  --> success" | tee -a $out

   193       marks=$(( marks + 1 ))

   194   else

   195       echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out

   196   fi

   197 fi

   198 

   199 sleep 4

   200 

   201 # first-closed-tour test

   202 

   203 if [ $tsts -eq 0 ]

   204 then

   205   echo -e " first_closed_tour_heuristics(6, List((3,3))) found and correct?" | tee -a $out

   206   START=$(date +%s)

   207   

   208   if (scala_assert_thirty "knight2.scala" "knight2_test7.scala")

   209   then

   210       END=$(date +%s)

   211       DIFF=$(( $END - $START ))

   212       echo -e "  This test ran for $DIFF seconds" | tee -a $out 

   213       echo -e "  --> success" | tee -a $out

   214       marks=$(( marks + 1 ))

   215   else

   216       END=$(date +%s)

   217       DIFF=$(( $END - $START ))

   218       echo -e "  This test ran for $DIFF seconds." | tee -a $out 

   219       echo -e "  --> TEST FAILED\n" | tee -a $out

   220   fi

   221 fi

   222 

   223 sleep 4

   224 

   225 # first-tour test

   226 

   227 if [ $tsts -eq 0 ]

   228 then

   229   echo -e " first_tour_heuristics(8, List((0,0))) found and correct?" | tee -a $out

   230   echo -e " first_tour_heuristics(30, List((0,0))) found and correct?" | tee -a $out

   231   START=$(date +%s)

   232   

   233   if (scala_assert_thirty "knight2.scala" "knight2_test8.scala")

   234   then

   235       END=$(date +%s)

   236       DIFF=$(( $END - $START ))

   237       echo "  This test ran for $DIFF seconds" | tee -a $out

   238       echo -e "  --> success" | tee -a $out

   239       marks=$(( marks + 1 ))

   240   else

   241       END=$(date +%s)

   242       DIFF=$(( $END - $START ))

   243       echo "  This test ran for $DIFF seconds." | tee -a $out

   244       echo -e "  --> ONE OF THE TESTS FAILED\n" | tee -a $out

   245   fi

   246 fi

   247 

   248 echo -e "" >> $out

   249 echo -e  "Below is the feedback for your submission knight3.scala" >> $out

   250 echo -e  "" >> $out

   251 

   252 # compilation test

   253 echo "knight3.scala runs?" | tee -a $out

   254 

   255 if (scala_compile knight3.scala)

   256 then

   257     echo "  --> success" | tee -a $out

   258     tsts=$(( 0 ))

   259 else

   260     echo -e "  --> SCALA DID NOT RUN knight3.scala\n" | tee -a $out  

   261     tsts=$(( 1 )) 

   262 fi

   263 

   264 

   265 # knights3: purity test

   266 #

   267 if [ $tsts -eq 0 ]

   268 then 

   269     echo -e "knight3.scala does not contain VARS, RETURNS etc?" | tee -a $out

   270 

   271     if (scala_vars knight3.scala)

   272     then

   273 	echo "  --> TEST FAILED\n" | tee -a $out

   274 	tsts=$(( 1 ))

   275     else

   276 	echo "  --> success" | tee -a $out

   277 	tsts=$(( 0 )) 

   278     fi

   279 else

   280     tsts=$(( 1 ))  

   281 fi

   282 

   283 sleep 4

   284 

   285 if [ $tsts -eq 0 ]

   286 then

   287   echo -e " tour_on_mega_board(70, List((0,0))) found and correct?" | tee -a $out

   288   START=$(date +%s)

   289   

   290   if (scala_assert_thirty "knight3.scala" "knight3_test9.scala")

   291   then

   292       END=$(date +%s)

   293       DIFF=$(( $END - $START ))

   294       echo -e "  This test ran for $DIFF seconds." | tee -a $out

   295       echo -e "  --> success" | tee -a $out

   296       marks=$(( marks + 1 ))

   297   else

   298       END=$(date +%s)

   299       DIFF=$(( $END - $START ))

   300       echo -e "  This test ran for $DIFF seconds." | tee -a $out

   301       echo -e "  --> TEST FAILED\n" | tee -a $out 

   302   fi

   303 fi

   304 

   305 sleep 4

   306 

   307 ## final marks

   308 echo -e "" >> $out

   309 echo -e "Overall mark for Main Part 4 (Scala)" | tee -a $out

   310 echo -e "$marks" | tee -a $out