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Курс във Факултета по Математика и Информатика към СУ

Решение на Втора задача от Томислав Иванов

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Резултати

  • 0 точки от тестове
  • 0 бонус точки
  • 0 точки общо
  • 0 успешни тест(а)
  • 12 неуспешни тест(а)

Код

class Song
def initialize(string2)
arr=[]
string2.concat('.').each_line('.') { |n| arr.push n.strip }
@name = arr[0].gsub('.','')
@artist = arr[1].gsub('.','')
@genre = arr[2].split(',')
if(@genre[1] != nil)
@subgenre = @genre[1].strip.gsub('.','')
else
@subgenre = 'none'
end
@genre = @genre[0].gsub('.','')
if(arr[3] != '.' && arr[3] != nil)
@tags = arr[3].gsub('.','')
else
@tags = 'none'
end
end
def change_tags (tags)
if @tags != '' and @tags != 'none'
@tags = @tags.concat(', ').concat(tags).gsub('[','').gsub(']','')
else
@tags = tags.gsub('[','').gsub(']','').gsub('"','')
end
end
def name
@name
end
def artist
@artist
end
def genre
@genre
end
def subgenre
@subgenre
end
def tags
@tags
end
end
class Collection
def initialize(string, stringTags)
@arrSongs = []
arrArtist = []
i=0
string.each_line { |n| @arrSongs.push Song.new(n) }
@arrSongs.each do |n|
arrArtist.push n.artist
end
arrArtist.each do |value|
if stringTags.has_key? (value)
@arrSongs[i].change_tags (stringTags[value].to_s.gsub('"',''))
end
i+=1
end
end
def arraySongs
@arrSongs
end
def find(criteria)
arraySongs.select do |k|
puts k.artist == criteria['artist:']
end
end
end

Лог от изпълнението

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Failures:

  1) Collection returns all entries if called without parameters
     Failure/Error: collection.find({}).should have(input.lines.count).items
       expected 20 items, got 0
     # /tmp/d20111115-13548-ehj0df/spec.rb:37:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  2) Collection can look up songs by artist
     Failure/Error: songs(artist: 'Bill Evans').map(&:name).should =~ ['Autumn Leaves', 'Waltz for Debbie']
       expected collection contained:  ["Autumn Leaves", "Waltz for Debbie"]
       actual collection contained:    []
       the missing elements were:      ["Autumn Leaves", "Waltz for Debbie"]
     # /tmp/d20111115-13548-ehj0df/spec.rb:41:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  3) Collection can look up songs by name
     Failure/Error: songs(name: "'Round Midnight").map(&:artist).should =~ ['John Coltrane', 'Thelonious Monk']
       expected collection contained:  ["John Coltrane", "Thelonious Monk"]
       actual collection contained:    []
       the missing elements were:      ["John Coltrane", "Thelonious Monk"]
     # /tmp/d20111115-13548-ehj0df/spec.rb:45:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  4) Collection uses the genre and subgenre as tags
     Failure/Error: song(name: 'Miles Runs the Voodoo Down').tags.should include('jazz', 'fusion')
     NoMethodError:
       undefined method `tags' for nil:NilClass
     # /tmp/d20111115-13548-ehj0df/spec.rb:49:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  5) Collection can find songs by tag
     Failure/Error: songs(tags: 'baroque').map(&:name).should =~ ['Toccata e Fuga', 'Goldberg Variations']
       expected collection contained:  ["Goldberg Variations", "Toccata e Fuga"]
       actual collection contained:    []
       the missing elements were:      ["Goldberg Variations", "Toccata e Fuga"]
     # /tmp/d20111115-13548-ehj0df/spec.rb:53:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  6) Collection can find songs by multiple tags
     Failure/Error: songs(tags: %w[popular violin]).map(&:name).should eq ['Eine Kleine Nachtmusik']
       
       expected: ["Eine Kleine Nachtmusik"]
            got: []
       
       (compared using ==)
       
       Diff:
       @@ -1,2 +1,2 @@
       -["Eine Kleine Nachtmusik"]
       +[]
     # /tmp/d20111115-13548-ehj0df/spec.rb:57:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  7) Collection can find songs that don't have a tag
     Failure/Error: songs(tags: %w[weird cool!]).map(&:name).should eq ['Miles Runs the Voodoo Down']
       
       expected: ["Miles Runs the Voodoo Down"]
            got: []
       
       (compared using ==)
       
       Diff:
       @@ -1,2 +1,2 @@
       -["Miles Runs the Voodoo Down"]
       +[]
     # /tmp/d20111115-13548-ehj0df/spec.rb:61:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  8) Collection can filter songs by a lambda
     Failure/Error: songs(filter: ->(song) { song.name == 'Autumn Leaves' }).map(&:name).should eq ['Autumn Leaves']
       
       expected: ["Autumn Leaves"]
            got: []
       
       (compared using ==)
       
       Diff:
       @@ -1,2 +1,2 @@
       -["Autumn Leaves"]
       +[]
     # /tmp/d20111115-13548-ehj0df/spec.rb:65:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  9) Collection adds the artist tags to the songs
     Failure/Error: songs(tags: 'polyphone').map(&:name).should =~ ['Toccata e Fuga', 'Goldberg Variations']
       expected collection contained:  ["Goldberg Variations", "Toccata e Fuga"]
       actual collection contained:    []
       the missing elements were:      ["Goldberg Variations", "Toccata e Fuga"]
     # /tmp/d20111115-13548-ehj0df/spec.rb:69:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  10) Collection allows multiple criteria
     Failure/Error: songs(name: "'Round Midnight", tags: 'bebop').map(&:artist).should eq ['Thelonious Monk']
       
       expected: ["Thelonious Monk"]
            got: []
       
       (compared using ==)
       
       Diff:
       @@ -1,2 +1,2 @@
       -["Thelonious Monk"]
       +[]
     # /tmp/d20111115-13548-ehj0df/spec.rb:73:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  11) Collection allows all criteria
     Failure/Error: ).map(&:artist).should eq ['Thelonious Monk']
       
       expected: ["Thelonious Monk"]
            got: []
       
       (compared using ==)
       
       Diff:
       @@ -1,2 +1,2 @@
       -["Thelonious Monk"]
       +[]
     # /tmp/d20111115-13548-ehj0df/spec.rb:82:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  12) Collection constructs an object for each song
     Failure/Error: song.name.should      eq 'Tutu'
     NoMethodError:
       undefined method `name' for nil:NilClass
     # /tmp/d20111115-13548-ehj0df/spec.rb:88:in `block (2 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/homework/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

Finished in 0.57473 seconds
12 examples, 12 failures

Failed examples:

rspec /tmp/d20111115-13548-ehj0df/spec.rb:36 # Collection returns all entries if called without parameters
rspec /tmp/d20111115-13548-ehj0df/spec.rb:40 # Collection can look up songs by artist
rspec /tmp/d20111115-13548-ehj0df/spec.rb:44 # Collection can look up songs by name
rspec /tmp/d20111115-13548-ehj0df/spec.rb:48 # Collection uses the genre and subgenre as tags
rspec /tmp/d20111115-13548-ehj0df/spec.rb:52 # Collection can find songs by tag
rspec /tmp/d20111115-13548-ehj0df/spec.rb:56 # Collection can find songs by multiple tags
rspec /tmp/d20111115-13548-ehj0df/spec.rb:60 # Collection can find songs that don't have a tag
rspec /tmp/d20111115-13548-ehj0df/spec.rb:64 # Collection can filter songs by a lambda
rspec /tmp/d20111115-13548-ehj0df/spec.rb:68 # Collection adds the artist tags to the songs
rspec /tmp/d20111115-13548-ehj0df/spec.rb:72 # Collection allows multiple criteria
rspec /tmp/d20111115-13548-ehj0df/spec.rb:76 # Collection allows all criteria
rspec /tmp/d20111115-13548-ehj0df/spec.rb:85 # Collection constructs an object for each song

История (1 версия и 0 коментара)

Томислав обнови решението на 31.10.2011 16:56 (преди над 12 години)

+class Song
+ def initialize(string2)
+ arr=[]
+ string2.concat('.').each_line('.') { |n| arr.push n.strip }
+ @name = arr[0].gsub('.','')
+ @artist = arr[1].gsub('.','')
+ @genre = arr[2].split(',')
+ if(@genre[1] != nil)
+ @subgenre = @genre[1].strip.gsub('.','')
+ else
+ @subgenre = 'none'
+ end
+ @genre = @genre[0].gsub('.','')
+ if(arr[3] != '.' && arr[3] != nil)
+ @tags = arr[3].gsub('.','')
+ else
+ @tags = 'none'
+ end
+ end
+ def change_tags (tags)
+ if @tags != '' and @tags != 'none'
+ @tags = @tags.concat(', ').concat(tags).gsub('[','').gsub(']','')
+ else
+ @tags = tags.gsub('[','').gsub(']','').gsub('"','')
+ end
+ end
+ def name
+ @name
+ end
+ def artist
+ @artist
+ end
+ def genre
+ @genre
+ end
+ def subgenre
+ @subgenre
+ end
+ def tags
+ @tags
+ end
+
+end
+class Collection
+ def initialize(string, stringTags)
+ @arrSongs = []
+ arrArtist = []
+ i=0
+ string.each_line { |n| @arrSongs.push Song.new(n) }
+ @arrSongs.each do |n|
+ arrArtist.push n.artist
+ end
+ arrArtist.each do |value|
+ if stringTags.has_key? (value)
+ @arrSongs[i].change_tags (stringTags[value].to_s.gsub('"',''))
+ end
+ i+=1
+ end
+ end
+ def arraySongs
+ @arrSongs
+ end
+
+ def find(criteria)
+ arraySongs.select do |k|
+ puts k.artist == criteria['artist:']
+ end
+ end
+
+
+
+
+ end