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 "Below is the feedback and provisional marks for your submission" >> $out |
|
12 echo "for assignment 7 Part 3. Please note all marks are provisional until" >> $out |
|
13 echo "ratified by the assessment board -- this is not an official" >> $out |
|
14 echo "results transcript." >> $out |
|
15 echo "" >> $out |
|
16 |
|
17 # marks for CW7 part 3 |
|
18 marks=$(( 0 )) |
|
19 |
|
20 |
|
21 # compilation tests |
|
22 |
|
23 function scala_compile { |
|
24 (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc "$1" 2>> $out 1>> $out) |
|
25 } |
|
26 |
|
27 # functional tests |
|
28 |
|
29 function scala_assert { |
|
30 (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc -i "$1" "$2" -e "" 2> /dev/null 1> /dev/null) |
|
31 } |
|
32 |
|
33 # purity test |
|
34 |
|
35 function scala_vars { |
|
36 (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable|new Array' "$1" 2> /dev/null 1> /dev/null) |
|
37 } |
|
38 |
|
39 |
|
40 # var, .par return, ListBuffer test |
|
41 # |
|
42 echo "danube.scala does not contain vars, returns etc?" | tee -a $out |
|
43 |
|
44 if (scala_vars danube.scala) |
|
45 then |
|
46 echo " --> test failed" | tee -a $out |
|
47 tsts0=$(( 1 )) |
|
48 else |
|
49 echo -e " --> success" | tee -a $out |
|
50 tsts0=$(( 0 )) |
|
51 fi |
|
52 |
|
53 |
|
54 ### compilation test |
|
55 |
|
56 |
|
57 if [ $tsts0 -eq 0 ] |
|
58 then |
|
59 echo "danube.scala runs?" | tee -a $out |
|
60 |
|
61 if (scala_compile danube.scala) |
|
62 then |
|
63 echo -e " --> success" | tee -a $out |
|
64 tsts=$(( 0 )) |
|
65 else |
|
66 echo " --> scala danube.scala did not run successfully" | tee -a $out |
|
67 tsts=$(( 1 )) |
|
68 fi |
|
69 else |
|
70 tsts=$(( 1 )) |
|
71 fi |
|
72 |
|
73 ### danube groupById test |
|
74 |
|
75 if [ $tsts -eq 0 ] |
|
76 then |
|
77 echo " val ls1 = List((\"1\", \"a\"), (\"2\", \"a\"), (\"1\", \"c\"), (\"2\", \"a\"), (\"1\", \"c\"))" | tee -a $out |
|
78 echo " val ls2 = List((\"1\", \"a\"), (\"1\", \"b\"), (\"2\", \"x\"), (\"3\", \"a\"), (\"2\", \"y\"), (\"3\", \"c\"))" | tee -a $out |
|
79 echo " groupById(ls1, Map()) == Map(1 -> List(c, c, a), 2 -> List(a, a))" | tee -a $out |
|
80 echo " groupById(ls2, Map()) == Map(1 -> List(b, a), 2 -> List(x, y), 3 -> List(c, a))" | tee -a $out |
|
81 echo " where the order in the lists is unimportant" | tee -a $out |
|
82 echo " val ls3 = (1 to 1000).map(_.toString).toList" | tee -a $out |
|
83 echo " val ls4 = ls3 zip ls3.tail" | tee -a $out |
|
84 echo " val ls5 = ls4 ::: ls4.reverse" | tee -a $out |
|
85 echo " groupById(ls5, Map()) == Map(1 -> List(2,2), 2 -> List(3,3), ....)" | tee -a $out |
|
86 |
|
87 if (scala_assert "danube.scala" "danube_test3.scala") |
|
88 then |
|
89 echo -e " --> success" | tee -a $out |
|
90 marks=$(( marks + 1 )) |
|
91 else |
|
92 echo -e " --> test failed" | tee -a $out |
|
93 fi |
|
94 fi |
|
95 |
|
96 ### danube favourites tests |
|
97 |
|
98 if [ $tsts -eq 0 ] |
|
99 then |
|
100 echo " val good_ratings = process_ratings(ratings)" | tee -a $out |
|
101 echo " val ratings_map = groupById(good_ratings, Map())" | tee -a $out |
|
102 echo " favourites(ratings_map, \"912\").length == 80 " | tee -a $out |
|
103 echo " favourites(ratings_map, \"858\").length == 158 " | tee -a $out |
|
104 echo " favourites(ratings_map, \"260\").length == 201 " | tee -a $out |
|
105 |
|
106 if (scala_assert "danube.scala" "danube_test4.scala") |
|
107 then |
|
108 echo " --> success" | tee -a $out |
|
109 marks=$(( marks + 1 )) |
|
110 else |
|
111 echo " --> one of the tests failed" | tee -a $out |
|
112 fi |
|
113 fi |
|
114 |
|
115 ### danube suggestions tests |
|
116 |
|
117 if [ $tsts -eq 0 ] |
|
118 then |
|
119 echo " val good_ratings = process_ratings(ratings)" | tee -a $out |
|
120 echo " val ratings_map = groupById(good_ratings, Map())" | tee -a $out |
|
121 echo " suggestions(ratings_map, \"912\").length == 4110 " | tee -a $out |
|
122 echo " suggestions(ratings_map, \"858\").length == 4883 " | tee -a $out |
|
123 echo " suggestions(ratings_map, \"260\").length == 4970 " | tee -a $out |
|
124 |
|
125 if (scala_assert "danube.scala" "danube_test5.scala") |
|
126 then |
|
127 echo " --> success" | tee -a $out |
|
128 marks=$(( marks + 1 )) |
|
129 else |
|
130 echo " --> one of the tests failed" | tee -a $out |
|
131 fi |
|
132 fi |
|
133 |
|
134 ### danube recommendation tests |
|
135 |
|
136 if [ $tsts -eq 0 ] |
|
137 then |
|
138 echo " recommendations(ratings_map, movies_map, \"1\").length == 2 " | tee -a $out |
|
139 echo " recommendations(ratings_map, movies_map, \"2\").length == 2 " | tee -a $out |
|
140 echo " recommendations(ratings_map, movies_map, \"3\").length == 2 " | tee -a $out |
|
141 echo " recommendations(ratings_map, movies_map, \"4\").length == 0 " | tee -a $out |
|
142 echo " recommendations(ratings_map, movies_map, \"5\").length == 2 " | tee -a $out |
|
143 |
|
144 if (scala_assert "danube.scala" "danube_test6.scala") |
|
145 then |
|
146 echo " --> success" | tee -a $out |
|
147 marks=$(( marks + 1 )) |
|
148 else |
|
149 echo " --> one of the tests failed" | tee -a $out |
|
150 fi |
|
151 fi |
|
152 |
|
153 |
|
154 ## final marks |
|
155 echo "Overall mark for CW 7, Part 3" | tee -a $out |
|
156 echo "$marks" | tee -a $out |
|
157 |
|