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1 #!/bin/bash |
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2 |
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3 # to make the script fail safely |
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4 set -euo pipefail |
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5 |
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6 |
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7 out=${1:-output} |
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8 |
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9 echo "" > $out |
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10 |
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11 echo "Below is the feedback for your submission danube.scala" >> $out |
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12 echo "" >> $out |
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13 |
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14 |
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15 # compilation tests |
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16 |
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17 function scala_compile { |
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18 (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala "$1" 2>> $out 1>> $out) |
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19 } |
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20 |
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21 # functional tests |
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22 |
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23 function scala_assert { |
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24 (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" "$2" -e "" 2> /dev/null 1> /dev/null) |
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25 } |
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26 |
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27 # purity test |
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28 |
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29 function scala_vars { |
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30 (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable' "$1" 2> /dev/null 1> /dev/null) |
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31 } |
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32 |
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33 |
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34 # var, .par return, ListBuffer test |
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35 # |
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36 echo "danube.scala does not contain vars, returns etc?" >> $out |
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37 |
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38 if (scala_vars danube.scala) |
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39 then |
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40 echo " --> fail (make triple-sure your program conforms to the required format)" >> $out |
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41 tsts0=$(( 0 )) |
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42 else |
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43 echo " --> success" >> $out |
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44 tsts0=$(( 0 )) |
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45 fi |
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46 |
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47 ### compilation test |
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48 |
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49 |
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50 if [ $tsts0 -eq 0 ] |
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51 then |
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52 echo "danube.scala runs?" >> $out |
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53 |
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54 if (scala_compile danube.scala) |
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55 then |
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56 echo " --> success" >> $out |
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57 tsts=$(( 0 )) |
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58 else |
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59 echo " --> scala did not run danube.scala" >> $out |
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60 tsts=$(( 1 )) |
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61 fi |
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62 else |
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63 tsts=$(( 1 )) |
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64 fi |
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65 |
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66 ### danube get_cvs_url tests |
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67 |
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68 if [ $tsts -eq 0 ] |
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69 then |
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70 echo "danube.scala tests:" >> $out |
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71 echo " val movies_url = \"\"\"https://nms.kcl.ac.uk/christian.urban/movies.csv\"\"\"" >> $out |
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72 echo " get_csv_url(movies_url).length == 9742" >> $out |
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73 |
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74 if (scala_assert "danube.scala" "danube_test1.scala") |
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75 then |
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76 echo " --> success" >> $out |
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77 else |
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78 echo " --> one of the tests failed" >> $out |
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79 fi |
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80 fi |
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81 |
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82 ### danube processing tests |
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83 |
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84 if [ $tsts -eq 0 ] |
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85 then |
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86 echo " val good_ratings = process_ratings(ratings)" >> $out |
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87 echo " val movie_names = process_movies(movies)" >> $out |
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88 echo " " >> $out |
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89 echo " good_ratings.length == 48580 " >> $out |
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90 echo " movie_names.length == 9742 " >> $out |
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91 |
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92 if (scala_assert "danube.scala" "danube_test2.scala") |
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93 then |
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94 echo " --> success" >> $out |
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95 else |
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96 echo " --> one of the tests failed" >> $out |
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97 fi |
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98 fi |
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99 |