--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main_marking2/danube_test.sh Mon Jan 25 00:21:00 2021 +0000
@@ -0,0 +1,260 @@
+#!/bin/zsh
+
+# to make the script fail safely
+set -euo pipefail
+
+
+out=${1:-output}
+
+echo "" > $out
+
+echo -e `date` >> $out
+echo -e "" >> $out
+echo -e "Below is the feedback and provisional marks for your submission" >> $out
+echo -e "of the Main Part 2 (Scala). Please note all marks are provisional until" >> $out
+echo -e "ratified by the assessment board -- this is not an official" >> $out
+echo -e "results transcript." >> $out
+echo -e "" >> $out
+
+# marks for core CW7
+marks=$(( 0.0 ))
+
+echo -e "" >> $out
+echo -e "Below is the feedback for your submission danube.scala" >> $out
+echo -e "" >> $out
+
+
+
+
+# compilation tests
+
+function scala_compile {
+ (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -Xprint:parser "$1" 2> c$out 1> c$out)
+}
+
+# functional tests
+
+function scala_assert {
+ (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)
+}
+
+function scala_assert_thirty {
+ (ulimit -t 40; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)
+}
+
+# purity test
+
+function scala_vars {
+ (egrep '\bvar\b|\breturn\b|\.par\.|\.par |ListBuffer|AtomicInteger|mutable|util.control|new Array' c$out 2> /dev/null 1> /dev/null)
+}
+
+
+### compilation test
+
+echo -e "danube.scala runs?" | tee -a $out
+
+if (scala_compile danube.scala)
+then
+ echo -e " --> success" | tee -a $out
+ tsts=$(( 0 ))
+else
+ echo -e " --> SCALA DID NOT RUN danube.scala" | tee -a $out
+ tsts=$(( 1 ))
+fi
+
+
+# var, .par return, ListBuffer test
+#
+
+if [ $tsts -eq 0 ]
+ then
+ echo -e "danube.scala does not contain VARS, RETURNS etc?" | tee -a $out
+
+ if (scala_vars danube.scala)
+ then
+ echo -e " --> TEST FAILED\n" | tee -a $out
+ tsts=$(( 1 ))
+ else
+ echo -e " --> success" | tee -a $out
+ tsts=$(( 0 ))
+ fi
+else
+ tsts=$(( 1 ))
+fi
+
+
+
+### danube get_cvs_url tests
+
+if [ $tsts -eq 0 ]
+then
+ echo -e "danube.scala tests:" | tee -a $out
+ echo -e " val movies_url = \"\"\"https://nms.kcl.ac.uk/christian.urban/movies.csv\"\"\"" | tee -a $out
+ echo -e " get_csv_url(movies_url).length == 9742" | tee -a $out
+
+ if (scala_assert "danube.scala" "danube_test1.scala")
+ then
+ echo -e " --> success" | tee -a $out
+ marks=$(( marks + 1.0 ))
+ else
+ echo -e " --> TEST FAILED\n" | tee -a $out
+ fi
+fi
+
+### danube processing tests
+
+if [ $tsts -eq 0 ]
+then
+ echo -e " val good_ratings = process_ratings(ratings)" | tee -a $out
+ echo -e " val movie_names = process_movies(movies)" | tee -a $out
+ echo -e " " | tee -a $out
+ echo -e " good_ratings.length == 48580 " | tee -a $out
+ echo -e " movie_names.length == 9742 " | tee -a $out
+
+ if (scala_assert "danube.scala" "danube_test2.scala")
+ then
+ echo -e " --> success" | tee -a $out
+ marks=$(( marks + 1.0 ))
+ else
+ echo -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out
+ fi
+fi
+
+### danube groupById test
+
+if [ $tsts -eq 0 ]
+then
+ echo -e " val ls1 = List((\"1\", \"a\"), (\"2\", \"a\"), (\"1\", \"c\"), (\"2\", \"a\"), (\"1\", \"c\"))" | tee -a $out
+ echo -e " val ls2 = List((\"1\", \"a\"), (\"1\", \"b\"), (\"2\", \"x\"), (\"3\", \"a\"), (\"2\", \"y\"), (\"3\", \"c\"))" | tee -a $out
+ echo -e " groupById(ls1, Map()) == Map(1 -> List(c, c, a), 2 -> List(a, a))" | tee -a $out
+ echo -e " groupById(ls2, Map()) == Map(1 -> List(b, a), 2 -> List(x, y), 3 -> List(c, a))" | tee -a $out
+ echo -e " where the order in the lists is unimportant" | tee -a $out
+ echo -e " val ls3 = (11 to 1000 by 5).map(_.toString).toList" | tee -a $out
+ echo -e " val ls4 = ls3 zip ls3.tail" | tee -a $out
+ echo -e " val ls5 = ls4 ::: ls4.reverse" | tee -a $out
+ echo -e " groupById(ls5, Map()) == Map(11 -> List(16,16), 16 -> List(21,21), ....)" | tee -a $out
+
+ if (scala_assert "danube.scala" "danube_test3.scala")
+ then
+ echo -e -e " --> success" | tee -a $out
+ marks=$(( marks + 1.0 ))
+ else
+ echo -e -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out
+ fi
+fi
+
+### danube favourites tests
+
+if [ $tsts -eq 0 ]
+then
+ echo -e " val good_ratings = process_ratings(ratings)" | tee -a $out
+ echo -e " val ratings_map = groupById(good_ratings, Map())" | tee -a $out
+ echo -e " favourites(ratings_map, \"912\").length == 80 " | tee -a $out
+ echo -e " favourites(ratings_map, \"858\").length == 158 " | tee -a $out
+ echo -e " favourites(ratings_map, \"260\").length == 201 " | tee -a $out
+
+ if (scala_assert "danube.scala" "danube_test4.scala")
+ then
+ echo -e " --> success" | tee -a $out
+ marks=$(( marks + 1.0 ))
+ else
+ echo -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out
+ fi
+fi
+
+### danube suggestions tests
+
+if [ $tsts -eq 0 ]
+then
+ echo -e " val good_ratings = process_ratings(ratings)" | tee -a $out
+ echo -e " val ratings_map = groupById(good_ratings, Map())" | tee -a $out
+ echo -e " suggestions(ratings_map, \"912\").length == 4110 " | tee -a $out
+ echo -e " suggestions(ratings_map, \"858\").length == 4883 " | tee -a $out
+ echo -e " suggestions(ratings_map, \"260\").length == 4970 " | tee -a $out
+
+ if (scala_assert "danube.scala" "danube_test5.scala")
+ then
+ echo -e " --> success" | tee -a $out
+ marks=$(( marks + 1.0 ))
+ else
+ echo -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out
+ fi
+fi
+
+### danube recommendation tests
+
+if [ $tsts -eq 0 ]
+then
+ echo -e " recommendations(ratings_map, movies_map, \"1\").length == 2 " | tee -a $out
+ echo -e " recommendations(ratings_map, movies_map, \"2\").length == 2 " | tee -a $out
+ echo -e " recommendations(ratings_map, movies_map, \"3\").length == 2 " | tee -a $out
+ echo -e " recommendations(ratings_map, movies_map, \"4\").length == 0 " | tee -a $out
+ echo -e " recommendations(ratings_map, movies_map, \"5\").length == 2 " | tee -a $out
+
+ if (scala_assert "danube.scala" "danube_test6.scala")
+ then
+ echo -e " --> success" | tee -a $out
+ marks=$(( marks + 1.0 ))
+ else
+ echo -e " --> ONE OF THE TESTS FAILED\n" | tee -a $out
+ fi
+fi
+
+### danube most_recommended 1
+gd=$(( 0 ))
+
+if [ $tsts -eq 0 ]
+then
+ echo -e " val rmap = Map(\"1\" -> List(\"b\", \"a\"), " | tee -a $out
+ echo -e " \"2\" -> List(\"y\", \"x\"), " | tee -a $out
+ echo -e " \"3\" -> List(\"c\", \"a\")) " | tee -a $out
+ echo -e " val nmap = Map(\"a\" -> \"A\", \"b\" -> \"B\", \"c\" -> \"C\", " | tee -a $out
+ echo -e " \"x\" -> \"X\", \"y\" -> \"Y\") " | tee -a $out
+ echo -e " most_recommended(rmap, nmap).toSet == " | tee -a $out
+ echo -e " Set((\"A\",2), (\"B\",1), (\"C\",1), (\"X\",1), (\"Y\",1)) " | tee -a $out
+
+ if (scala_assert "danube.scala" "danube_test7a.scala")
+ then
+ echo -e " --> success (0.5% Marks)" | tee -a $out
+ marks=$(( marks + 0.5 ))
+ else
+ echo -e " --> TEST FAILED\n" | tee -a $out
+ gd=$(( 1 ))
+ fi
+fi
+
+### danube most_recommended 2
+
+sleep 10
+
+if [ $gd -eq 0 ]
+then
+ if [ $tsts -eq 0 ]
+ then
+ echo -e " most_recommended(ratings_map, movie_map) runs within allocated time? " | tee -a $out
+ START=$(date +%s)
+
+ if (scala_assert_thirty "danube.scala" "danube_test7b.scala")
+ then
+ END=$(date +%s)
+ DIFF=$(( $END - $START ))
+ echo " This test ran for $DIFF seconds." | tee -a $out
+ echo -e " --> success (0.5% Marks)" | tee -a $out
+ marks=$(( marks + 0.5 ))
+ else
+ END=$(date +%s)
+ DIFF=$(( $END - $START ))
+ echo " This test ran for $DIFF seconds." | tee -a $out
+ echo -e " --> TEST FAILED\n" | tee -a $out
+ fi
+ fi
+fi
+
+sleep 10
+
+
+## final marks
+echo -e "Overall mark for Main Part 2 (Scala)" | tee -a $out
+printf " %0.1f\n" $marks | tee -a $out
+
+