1 #!/bin/bash

     2 set -euo pipefail

     3 

     4 

     5 out=${1:-output}

     6 

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

     8 echo "for assignment 6 Advanced Part 3.  Please note all marks are provisional until" >> $out

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

    10 echo "results transcript." >> $out

    11 echo "" >> $out

    12 

    13 # marks for CW6 part 3

    14 marks=$(( 0 ))

    15 

    16 

    17 # compilation tests

    18 

    19 function scala_compile {

    20     (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc "$1" 2> /dev/null 1> /dev/null)

    21 }

    22 

    23 # functional tests

    24 

    25 function scala_assert {

    26     (ulimit -t 30; JAVA_OPTS="-Xmx4g" scala -i -nc "$1" "$2" -e "" 2> /dev/null 1> /dev/null)

    27 }

    28 

    29 

    30 # purity test

    31 

    32 function scala_vars {

    33    (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable|new Array' "$1" 2> /dev/null 1> /dev/null)

    34 }

    35 

    36 

    37 

    38 # var, .par return, ListBuffer test

    39 #

    40 echo "drumb.scala does not contain vars, returns, Arrays, ListBuffers etc?" | tee -a $out

    41 

    42 if (scala_vars drumb.scala)

    43 then

    44   echo "  --> test failed" | tee -a $out

    45   tsts0=$(( 1 ))

    46 else

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

    48   tsts0=$(( 0 )) 

    49 fi

    50 

    51 

    52 # compilation test

    53 if  [ $tsts0 -eq 0 ]

    54 then 

    55   echo "drumb.scala runs?" | tee -a $out

    56 

    57   if (scala_compile drumb.scala)

    58   then

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

    60     tsts=$(( 0 ))

    61   else

    62     echo "  --> scala drumb.scala did not run successfully" | tee -a $out

    63     tsts=$(( 1 )) 

    64   fi

    65 else

    66   tsts=$(( 1 ))     

    67 fi

    68 

    69 

    70 ### get_delta test

    71 

    72 if [ $tsts -eq 0 ]

    73 then

    74   echo "  get_delta(None, None) == None" | tee -a $out

    75   echo "  get_delta(Some(100.0), None) == None" | tee -a $out

    76   echo "  get_delta(None, Some(50.0)) == None" | tee -a $out

    77   echo "  get_delta(Some(100.0), Some(50.0)) == Some(1.0)" | tee -a $out

    78 

    79   if (scala_assert "drumb.scala" "drumb_test4.scala")

    80   then

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

    82       marks=$(( marks + 1 ))

    83   else

    84       echo "  --> test failed" | tee -a $out

    85   fi

    86 fi

    87 

    88 

    89 ### get_deltas_test

    90 

    91 if [ $tsts -eq 0 ]

    92 then

    93   echo -e "  get_deltas(get_prices(List(\"GOOG\", \"AAPL\"), 2010 to 2012)) == " | tee -a $out

    94   echo -e "    List(List(Some(-0.03573992567129673), Some(0.539975124774038)), " | tee -a $out

    95   echo -e "         List(Some(0.10103412653643493), Some(0.24777709700099845)))" | tee -a $out

    96   echo -e "" | tee -a $out

    97   echo -e "  get_deltas(get_prices(List(\"BIDU\"), 2004 to 2008)) == " | tee -a $out

    98   echo -e "    List(List(None), List(None),                          " | tee -a $out

    99   echo -e "         List(Some(0.9277165354330709)), List(Some(2.119679764725104)))) " | tee -a $out

   100   

   101   if (scala_assert "drumb.scala" "drumb_test5.scala") 

   102   then

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

   104      marks=$(( marks + 1 ))

   105   else

   106      echo "  --> test failed" | tee -a $out

   107   fi

   108 fi

   109 

   110 

   111 ### yield_tests

   112 

   113 if [ $tsts -eq 0 ]

   114 then

   115   echo -e "  val ds = get_deltas(get_prices(List(\"GOOG\", \"AAPL\"), 2010 to 2012))" | tee -a $out

   116   echo -e "  yearly_yield(get_deltas(ds, 100, 0) == 125" | tee -a $out

   117   echo -e "  yearly_yield(get_deltas(ds, 100, 1) == 117" | tee -a $out

   118   

   119   if (scala_assert "drumb.scala" "drumb_test6.scala") 

   120   then

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

   122       marks=$(( marks + 1 ))

   123   else

   124       echo "  --> test failed" | tee -a $out

   125   fi

   126 fi

   127 

   128 

   129 ### investment_test

   130 

   131 if [ $tsts -eq 0 ]

   132 then

   133   echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2000, 100) == 100"   | tee -a $out

   134   echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2001, 100) == 27 "   | tee -a $out

   135   echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2002, 100) == 42 "   | tee -a $out

   136   echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2003, 100) == 27 "   | tee -a $out

   137   echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2004, 100) == 38 "   | tee -a $out

   138   echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2005, 100) == 113"   | tee -a $out

   139   echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2006, 100) == 254"   | tee -a $out

   140   echo -e "  investment(List(\"GOOG\", \"AAPL\", \"BIDU\"), 2000 to 2007, 100) == 349"   | tee -a $out

   141   

   142   if (scala_assert "drumb.scala" "drumb_test7.scala") 

   143   then

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

   145       marks=$(( marks + 1 ))

   146   else

   147       echo "  --> test failed" | tee -a $out

   148   fi

   149 fi

   150 

   151 

   152 

   153 ## final marks

   154 echo "Overall mark for CW 6, Part 3" | tee -a $out

   155 echo "$marks" | tee -a $out