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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 -Xprint:parser "$1" 2> c$out 1> c$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" -- "$2" -e "" 2> /dev/null 1> /dev/null) |
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25 } |
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26 |
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27 # purity test |
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28 |
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29 function scala_vars { |
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30 (egrep '\bvar\b|\breturn\b|\.par\.|\.par |ListBuffer|mutable|util.control|new Array' c$out 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 |
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35 ### compilation test |
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36 |
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37 echo "danube.scala runs?" >> $out |
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38 |
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39 if (scala_compile danube.scala) |
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40 then |
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41 echo " --> success" >> $out |
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42 tsts=$(( 0 )) |
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43 else |
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44 echo " --> SCALA DID NOT RUN danube.scala" >> $out |
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45 tsts=$(( 1 )) |
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46 fi |
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47 |
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48 # var, .par return, ListBuffer test |
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49 # |
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50 |
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51 if [ $tsts -eq 0 ] |
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52 then |
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53 echo "danube.scala does not contain vars, returns etc?" >> $out |
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54 |
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55 if (scala_vars danube.scala) |
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56 then |
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57 echo " --> FAIL (make triple-sure your program conforms to the required format)" >> $out |
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58 tsts=$(( 1 )) |
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59 else |
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60 echo " --> success" >> $out |
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61 tsts=$(( 0 )) |
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62 fi |
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63 fi |
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64 |
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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 -e " --> success" >> $out |
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77 else |
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78 echo -e " --> ONE OF THE TESTS FAILED\n" >> $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 -e " --> success" >> $out |
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95 else |
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96 echo -e " --> ONE OF THE TESTS FAILED\n" >> $out |
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97 fi |
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98 fi |
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99 |
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100 ### danube groupById test |
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101 |
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102 if [ $tsts -eq 0 ] |
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103 then |
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104 echo -e " val ls1 = List((\"1\", \"a\"), (\"2\", \"a\"), (\"1\", \"c\"), (\"2\", \"a\"), (\"1\", \"c\"))" >> $out |
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105 echo -e " val ls2 = List((\"1\", \"a\"), (\"1\", \"b\"), (\"2\", \"x\"), (\"3\", \"a\"), (\"2\", \"y\"), (\"3\", \"c\"))" >> $out |
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106 echo -e " groupById(ls1, Map()) == Map(1 -> List(c, c, a), 2 -> List(a, a))" >> $out |
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107 echo -e " groupById(ls2, Map()) == Map(1 -> List(b, a), 2 -> List(x, y), 3 -> List(c, a))" >> $out |
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108 echo -e " where the order in the lists is unimportant" >> $out |
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109 echo -e " val ls3 = (1 to 1000).map(_.toString).toList" >> $out |
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110 echo -e " val ls4 = ls3 zip ls3.tail" >> $out |
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111 echo -e " val ls5 = ls4 ::: ls4.reverse" >> $out |
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112 echo -e " groupById(ls5, Map()) == Map(1 -> List(2,2), 2 -> List(3,3), ....)" >> $out |
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113 |
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114 if (scala_assert "danube.scala" "danube_test3.scala") |
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115 then |
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116 echo -e -e " --> success" >> $out |
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117 else |
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118 echo -e -e " --> ONE OF THE TESTS FAILED\n" >> $out |
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119 fi |
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120 fi |
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121 |
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122 ### danube favourites tests |
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123 |
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124 if [ $tsts -eq 0 ] |
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125 then |
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126 echo -e " val good_ratings = process_ratings(ratings)" >> $out |
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127 echo -e " val ratings_map = groupById(good_ratings, Map())" >> $out |
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128 echo -e " favourites(ratings_map, \"912\").length == 80 " >> $out |
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129 echo -e " favourites(ratings_map, \"858\").length == 158 " >> $out |
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130 echo -e " favourites(ratings_map, \"260\").length == 201 " >> $out |
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131 |
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132 if (scala_assert "danube.scala" "danube_test4.scala") |
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133 then |
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134 echo -e " --> success" >> $out |
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135 else |
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136 echo -e " --> ONE OF THE TESTS FAILED\n" >> $out |
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137 fi |
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138 fi |
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139 |
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140 ### danube suggestions tests |
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141 |
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142 if [ $tsts -eq 0 ] |
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143 then |
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144 echo -e " val good_ratings = process_ratings(ratings)" >> $out |
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145 echo -e " val ratings_map = groupById(good_ratings, Map())" >> $out |
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146 echo -e " suggestions(ratings_map, \"912\").length == 4110 " >> $out |
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147 echo -e " suggestions(ratings_map, \"858\").length == 4883 " >> $out |
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148 echo -e " suggestions(ratings_map, \"260\").length == 4970 " >> $out |
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149 |
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150 if (scala_assert "danube.scala" "danube_test5.scala") |
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151 then |
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152 echo -e " --> success" >> $out |
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153 else |
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154 echo -e " --> ONE OF THE TESTS FAILED\n" >> $out |
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155 fi |
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156 fi |
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157 |
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158 ### danube recommendation tests |
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159 |
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160 if [ $tsts -eq 0 ] |
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161 then |
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162 echo -e " recommendations(ratings_map, movies_map, \"1\").length == 2 " >> $out |
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163 echo -e " recommendations(ratings_map, movies_map, \"2\").length == 2 " >> $out |
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164 echo -e " recommendations(ratings_map, movies_map, \"3\").length == 2 " >> $out |
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165 echo -e " recommendations(ratings_map, movies_map, \"4\").length == 0 " >> $out |
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166 echo -e " recommendations(ratings_map, movies_map, \"5\").length == 2 " >> $out |
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167 |
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168 if (scala_assert "danube.scala" "danube_test6.scala") |
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169 then |
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170 echo -e " --> success" >> $out |
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171 else |
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172 echo -e " --> ONE OF THE TESTS FAILED\n" >> $out |
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173 fi |
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174 fi |
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175 |