1 #!/bin/zsh |
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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 -e `date` >> $out |
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12 echo -e "" >> $out |
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13 echo -e "Below is the feedback and provisional marks for your submission" >> $out |
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14 echo -e "of the Main Part 2 (Scala). Please note all marks are provisional until" >> $out |
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15 echo -e "ratified by the assessment board -- this is not an official" >> $out |
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16 echo -e "results transcript." >> $out |
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17 echo -e "" >> $out |
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18 |
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19 # marks for core CW7 |
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20 marks=$(( 0.0 )) |
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21 |
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22 |
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23 # compilation tests |
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24 |
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25 function scala_compile { |
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26 (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -Xprint:parser "$1" 2> c$out 1> c$out) |
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27 } |
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28 |
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29 # functional tests |
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30 |
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31 function scala_assert { |
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32 (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null) |
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33 } |
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34 |
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35 function scala_assert_thirty { |
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36 (ulimit -t 40; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null) |
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37 } |
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38 |
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39 # purity test |
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40 function scala_vars { |
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41 (sed 's/immutable/ok/g' c$out > cb$out; |
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42 egrep '\bvar\b|\breturn\b|\.par\.|\.par |ListBuffer|AtomicInteger|mutable|util.control|new Array' cb$out 2> /dev/null 1> /dev/null) |
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43 } |
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44 |
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45 |
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46 echo -e "" >> $out |
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47 echo -e "Below is the feedback for your submission danube.scala" >> $out |
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48 echo -e "" >> $out |
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49 |
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50 |
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51 |
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52 |
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53 ### compilation test |
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54 |
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55 echo -e "danube.scala runs?" | tee -a $out |
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56 |
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57 if (scala_compile danube.scala) |
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58 then |
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59 echo -e " --> success" | tee -a $out |
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60 tsts=$(( 0 )) |
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61 else |
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62 echo -e " --> SCALA DID NOT RUN danube.scala" | tee -a $out |
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63 tsts=$(( 1 )) |
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64 fi |
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65 |
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66 |
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67 # var, .par return, ListBuffer test |
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68 # |
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69 |
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70 if [ $tsts -eq 0 ] |
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71 then |
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72 echo -e "danube.scala does not contain VARS, RETURNS etc?" | tee -a $out |
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73 |
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74 if (scala_vars danube.scala) |
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75 then |
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76 echo -e " --> TEST FAILED\n" | tee -a $out |
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77 tsts=$(( 1 )) |
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78 else |
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79 echo -e " --> success" | tee -a $out |
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80 tsts=$(( 0 )) |
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81 fi |
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82 else |
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83 tsts=$(( 1 )) |
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84 fi |
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85 |
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86 |
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87 |
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88 ### danube get_cvs_url tests |
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89 |
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90 if [ $tsts -eq 0 ] |
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91 then |
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92 echo -e "danube.scala tests:" | tee -a $out |
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93 echo -e " val movies_url = \"\"\"https://nms.kcl.ac.uk/christian.urban/movies.csv\"\"\"" | tee -a $out |
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94 echo -e " get_csv_url(movies_url).length == 9742" | tee -a $out |
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95 |
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96 if (scala_assert "danube.scala" "danube_test1.scala") |
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97 then |
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98 echo -e " --> success" | tee -a $out |
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99 marks=$(( marks + 1.0 )) |
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100 else |
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101 echo -e " --> TEST FAILED\n" | tee -a $out |
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102 fi |
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103 fi |
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104 |
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105 ### danube processing tests |
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106 |
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107 if [ $tsts -eq 0 ] |
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108 then |
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109 echo -e " val good_ratings = process_ratings(ratings)" | tee -a $out |
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110 echo -e " val movie_names = process_movies(movies)" | tee -a $out |
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111 echo -e " " | tee -a $out |
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112 echo -e " good_ratings.length == 48580 " | tee -a $out |
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113 echo -e " movie_names.length == 9742 " | tee -a $out |
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114 echo -e " " | tee -a $out |
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115 echo -e " val r_elems = List((\"1\",\"1\"), (\"1\",\"3\"), (\"1\",\"6\"), (\"1\",\"47\")) " | tee -a $out |
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116 echo -e " r_elems.forall(good_ratings.contains(_)) == true" | tee -a $out |
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117 |
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118 if (scala_assert "danube.scala" "danube_test2.scala") |
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119 then |
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120 echo -e " --> success" | tee -a $out |
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121 marks=$(( marks + 1.0 )) |
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122 else |
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123 echo -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out |
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124 fi |
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125 fi |
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126 |
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127 ### danube groupById test |
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128 |
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129 if [ $tsts -eq 0 ] |
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130 then |
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131 echo -e " val ls1 = List((\"1\", \"a\"), (\"2\", \"a\"), (\"1\", \"c\"), (\"2\", \"a\"), (\"1\", \"c\"))" | tee -a $out |
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132 echo -e " val ls2 = List((\"1\", \"a\"), (\"1\", \"b\"), (\"2\", \"x\"), (\"3\", \"a\"), (\"2\", \"y\"), (\"3\", \"c\"))" | tee -a $out |
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133 echo -e " groupById(ls1, Map()) == Map(1 -> List(c, c, a), 2 -> List(a, a))" | tee -a $out |
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134 echo -e " groupById(ls2, Map()) == Map(1 -> List(b, a), 2 -> List(x, y), 3 -> List(c, a))" | tee -a $out |
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135 echo -e " where the order in the lists is unimportant" | tee -a $out |
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136 echo -e " val ls3 = (11 to 1000 by 5).map(_.toString).toList" | tee -a $out |
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137 echo -e " val ls4 = ls3 zip ls3.tail" | tee -a $out |
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138 echo -e " val ls5 = ls4 ::: ls4.reverse" | tee -a $out |
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139 echo -e " groupById(ls5, Map()) == Map(11 -> List(16,16), 16 -> List(21,21), ....)" | tee -a $out |
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140 |
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141 if (scala_assert "danube.scala" "danube_test3.scala") |
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142 then |
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143 echo -e -e " --> success" | tee -a $out |
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144 marks=$(( marks + 1.0 )) |
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145 else |
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146 echo -e -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out |
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147 fi |
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148 fi |
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149 |
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150 ### danube favourites tests |
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151 |
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152 if [ $tsts -eq 0 ] |
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153 then |
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154 echo -e " val good_ratings = process_ratings(ratings)" | tee -a $out |
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155 echo -e " val ratings_map = groupById(good_ratings, Map())" | tee -a $out |
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156 echo -e " favourites(ratings_map, \"912\").length == 80 " | tee -a $out |
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157 echo -e " favourites(ratings_map, \"858\").length == 158 " | tee -a $out |
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158 echo -e " favourites(ratings_map, \"260\").length == 201 " | tee -a $out |
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159 |
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160 if (scala_assert "danube.scala" "danube_test4.scala") |
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161 then |
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162 echo -e " --> success" | tee -a $out |
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163 marks=$(( marks + 1.0 )) |
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164 else |
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165 echo -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out |
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166 fi |
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167 fi |
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168 |
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169 ### danube suggestions tests |
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170 |
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171 if [ $tsts -eq 0 ] |
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172 then |
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173 echo -e " val good_ratings = process_ratings(ratings)" | tee -a $out |
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174 echo -e " val ratings_map = groupById(good_ratings, Map())" | tee -a $out |
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175 echo -e " suggestions(ratings_map, \"912\").length == 4110 " | tee -a $out |
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176 echo -e " suggestions(ratings_map, \"858\").length == 4883 " | tee -a $out |
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177 echo -e " suggestions(ratings_map, \"260\").length == 4970 " | tee -a $out |
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178 |
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179 if (scala_assert "danube.scala" "danube_test5.scala") |
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180 then |
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181 echo -e " --> success" | tee -a $out |
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182 marks=$(( marks + 1.0 )) |
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183 else |
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184 echo -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out |
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185 fi |
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186 fi |
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187 |
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188 ### danube recommendation tests |
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189 |
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190 if [ $tsts -eq 0 ] |
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191 then |
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192 echo -e " recommendations(ratings_map, movies_map, \"1\").length == 2 " | tee -a $out |
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193 echo -e " recommendations(ratings_map, movies_map, \"2\").length == 2 " | tee -a $out |
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194 echo -e " recommendations(ratings_map, movies_map, \"3\").length == 2 " | tee -a $out |
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195 echo -e " recommendations(ratings_map, movies_map, \"4\").length == 0 " | tee -a $out |
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196 echo -e " recommendations(ratings_map, movies_map, \"5\").length == 2 " | tee -a $out |
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197 |
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198 if (scala_assert "danube.scala" "danube_test6.scala") |
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199 then |
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200 echo -e " --> success" | tee -a $out |
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201 marks=$(( marks + 1.0 )) |
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202 else |
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203 echo -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out |
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204 fi |
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205 fi |
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206 |
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207 |
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208 |
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209 ## final marks |
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210 echo -e "Overall mark for Main Part 2 (Scala)" | tee -a $out |
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211 printf " %0.1f\n" $marks | tee -a $out |
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212 |
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213 |
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