diff -r 663c2a9108d1 -r 4de31fdc0d67 testing2/danube_test.sh
--- a/testing2/danube_test.sh	Sun Nov 01 01:21:31 2020 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,175 +0,0 @@
-#!/bin/bash
-
-# to make the script fail safely
-set -euo pipefail
-
-
-out=${1:-output}
-
-echo "" > $out
-
-echo "Below is the feedback for your submission danube.scala" >> $out
-echo "" >> $out
-
-
-# compilation tests
-
-function scala_compile {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala "$1" 2>> $out 1>> $out) 
-}
-
-# functional tests
-
-function scala_assert {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" 2> /dev/null 1> /dev/null)
-}
-
-# purity test
-
-function scala_vars {
-   (egrep '\bvar\b|\breturn\b|\.par|ListBuffer|mutable' "$1" 2> /dev/null 1> /dev/null)
-}
-
-
-# var, .par return, ListBuffer test
-#
-echo "danube.scala does not contain vars, returns etc?" >> $out
-
-if (scala_vars danube.scala)
-then
-  echo "  --> FAIL (make triple-sure your program conforms to the required format)" >> $out
-  tsts0=$(( 0 ))
-else
-  echo "  --> success" >> $out
-  tsts0=$(( 0 )) 
-fi
-
-### compilation test
-
-
-if  [ $tsts0 -eq 0 ]
-then 
-  echo "danube.scala runs?" >> $out
-
-  if (scala_compile danube.scala)
-  then
-    echo "  --> success" >> $out
-    tsts=$(( 0 ))
-  else
-    echo "  --> SCALA DID NOT RUN danube.scala" >> $out
-    tsts=$(( 1 )) 
-  fi
-else
-  tsts=$(( 1 ))     
-fi
-
-### danube get_cvs_url tests
-
-if [ $tsts -eq 0 ]
-then
-  echo "danube.scala tests:" >> $out
-  echo "  val movies_url = \"\"\"https://nms.kcl.ac.uk/christian.urban/movies.csv\"\"\"" >> $out
-  echo "  get_csv_url(movies_url).length == 9742" >> $out
-
-  if (scala_assert "danube.scala" "danube_test1.scala")
-  then
-    echo -e "  --> success" >> $out
-  else
-    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $out
-  fi
-fi
-
-### danube processing tests
-
-if [ $tsts -eq 0 ]
-then
-  echo "  val good_ratings = process_ratings(ratings)" >> $out
-  echo "  val movie_names = process_movies(movies)" >> $out  
-  echo "  " >> $out
-  echo "  good_ratings.length == 48580 " >> $out
-  echo "  movie_names.length == 9742 " >> $out
-
-  if (scala_assert "danube.scala" "danube_test2.scala") 
-  then
-    echo -e "  --> success" >> $out
-  else
-    echo -e "  --> ONE OF THE TESTS FAILED\n" >> $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\"))" >> $out
-  echo -e  "  val ls2 = List((\"1\", \"a\"), (\"1\", \"b\"), (\"2\", \"x\"), (\"3\", \"a\"), (\"2\", \"y\"), (\"3\", \"c\"))" >> $out
-  echo -e  "  groupById(ls1, Map()) == Map(1 -> List(c, c, a), 2 -> List(a, a))" >> $out
-  echo -e  "  groupById(ls2, Map()) == Map(1 -> List(b, a), 2 -> List(x, y), 3 -> List(c, a))" >> $out
-  echo -e  "      where the order in the lists is unimportant" >> $out
-  echo -e  "  val ls3 = (1 to 1000).map(_.toString).toList" >> $out
-  echo -e  "  val ls4 = ls3 zip ls3.tail" >> $out
-  echo -e  "  val ls5 = ls4 ::: ls4.reverse" >> $out
-  echo -e  "  groupById(ls5, Map()) == Map(1 -> List(2,2), 2 -> List(3,3), ....)" >> $out
-
-  if (scala_assert "danube.scala" "danube_test3.scala")
-  then
-      echo -e  -e "  --> success" >> $out
-  else
-      echo -e  -e "  --> ONE OF THE TESTS FAILED\n" >> $out
-  fi
-fi
-
-### danube favourites tests
-
-if [ $tsts -eq 0 ]
-then
-  echo -e  "  val good_ratings = process_ratings(ratings)" >> $out
-  echo -e  "  val ratings_map = groupById(good_ratings, Map())" >> $out
-  echo -e  "  favourites(ratings_map, \"912\").length  == 80 " >> $out
-  echo -e  "  favourites(ratings_map, \"858\").length  == 158 " >> $out
-  echo -e  "  favourites(ratings_map, \"260\").length  == 201 " >> $out  
-
-  if (scala_assert "danube.scala" "danube_test4.scala") 
-  then
-    echo -e  "  --> success" >> $out
-  else
-    echo -e  "  --> ONE OF THE TESTS FAILED\n" >> $out
-  fi
-fi
-
-### danube suggestions tests
-
-if [ $tsts -eq 0 ]
-then
-  echo -e  "  val good_ratings = process_ratings(ratings)" >> $out
-  echo -e  "  val ratings_map = groupById(good_ratings, Map())" >> $out
-  echo -e  "  suggestions(ratings_map, \"912\").length  == 4110 " >> $out
-  echo -e  "  suggestions(ratings_map, \"858\").length  == 4883 " >> $out
-  echo -e  "  suggestions(ratings_map, \"260\").length  == 4970 " >> $out  
-
-  if (scala_assert "danube.scala" "danube_test5.scala") 
-  then
-    echo -e  "  --> success" >> $out
-  else
-    echo -e  "  --> ONE OF THE TESTS FAILED\n" >> $out
-  fi
-fi
-
-### danube recommendation tests
-
-if [ $tsts -eq 0 ]
-then
-  echo -e  "  recommendations(ratings_map, movies_map, \"1\").length  == 2 " >> $out
-  echo -e  "  recommendations(ratings_map, movies_map, \"2\").length  == 2 " >> $out
-  echo -e  "  recommendations(ratings_map, movies_map, \"3\").length  == 2 " >> $out
-  echo -e  "  recommendations(ratings_map, movies_map, \"4\").length  == 0 " >> $out
-  echo -e  "  recommendations(ratings_map, movies_map, \"5\").length  == 2 " >> $out
-
-  if (scala_assert "danube.scala" "danube_test6.scala") 
-  then
-    echo -e  "  --> success" >> $out
-  else
-    echo -e  "  --> ONE OF THE TESTS FAILED\n" >>  $out
-  fi
-fi
-