Хешове и keyword аргументи на блокове

Програмиране с Ruby

Курс във Факултета по Математика и Информатика към СУ

Решение на Осма задача от Росен Тодоров

Обратно към всички решения

Към профила на Росен Тодоров

Резултати

  • 2 точки от тестове
  • 0 бонус точки
  • 2 точки общо
  • 14 успешни тест(а)
  • 26 неуспешни тест(а)

Код

class Spreadsheet
attr_accessor :table, :row, :column
def initialize(string = nil)
if(string)
@table = edit(string)
else
@table = Array.new
end
end
def empty?
@table.empty?
end
def cell_at(cell_index)
if( ! /^[A-Z]+\d+$/.match(cell_index) )
raise Spreadsheet::Error, "Invalid cell index '#{cell_index}'"
end
calculate(cell_index)
if( ! @table[@row] || ! @table[@row][@column] )
raise Spreadsheet::Error, "Cell '#{cell_index}' does not exist"
end
@table[@row][@column]
end
def calculate(cell_index)
@row = /\d+/.match(cell_index).to_s.to_i - 1
@column = fix( /[A-Z]+/.match(cell_index).to_s ) - 1
end
def [](cell_index)
cell_at(cell_index)
end
def to_s
@table.map { |x| x.join("\t") }.join("\n")
end
def fix(string)
alphabet = ('A'..'Z').to_a.each_with_index.to_h
sum = 0
string.split("").reverse.each_with_index do |letter, index|
sum += (alphabet[letter] + 1) * (26 ** index)
end
sum
end
def edit(string)
array = string.split /\n+/
array.map! { |x| x.split(/(\t| +)/) }
array.each{ |x| x.delete_if(&:empty?) }
array.each{ |x| x.delete_if{ |x| /^\s+$/.match x}}
array.each{ |x| x.map!(&:strip) }
array.delete_if(&:empty?)
end
end
class Spreadsheet::Error < Exception
end

Лог от изпълнението

.........F.....FFFFFFFFFFFFFFFFFFFFFFFFF

Failures:

  1) Spreadsheet#to_s returns the evaluated spreadsheet as a table
     Failure/Error: expect(sheet.to_s).to eq \
       
       expected: "foo\t10\t2.1\t15\nbar\t11\t2.2\t5\nbaz\t12\t2.3\t27.60"
            got: "foo\t10\t2.1\t=ADD(B1, C1, 2.9)\nbar\t11\t2.2\t=DIVIDE(B2, C2)\nbaz\t12\t2.3\t=MULTIPLY(C3, B3)"
       
       (compared using ==)
       
       Diff:
       @@ -1,4 +1,4 @@
       -foo	10	2.1	15
       -bar	11	2.2	5
       -baz	12	2.3	27.60
       +foo	10	2.1	=ADD(B1, C1, 2.9)
       +bar	11	2.2	=DIVIDE(B2, C2)
       +baz	12	2.3	=MULTIPLY(C3, B3)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:50:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  2) Spreadsheet#[] returns the calculated value of formulae cells
     Failure/Error: expect(sheet['C1']).to eq '4'
       
       expected: "4"
            got: "=ADD(2, 2)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:103:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  3) Spreadsheet#[] adds two numbers with ADD
     Failure/Error: expect(sheet['A1']).to eq('4')
       
       expected: "4"
            got: "=ADD(2, 2)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:109:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  4) Spreadsheet#[] adds five numbers with ADD
     Failure/Error: expect(sheet['A1']).to eq('15')
       
       expected: "15"
            got: "=ADD(1, 2, 3, 4, 5)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:115:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  5) Spreadsheet#[] raises an exception for less than two arguments passed to ADD
     Failure/Error: expect { Spreadsheet.new('=ADD(1)')['A1'] }.to raise_error(
       expected Spreadsheet::Error with message matching /Wrong number of arguments for 'ADD': expected at least 2, got 1/ but nothing was raised
     # /tmp/d20160121-5693-nl5dp9/spec.rb:119:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  6) Spreadsheet#[] adds numbers from cell references and as immediate arguments with ADD
     Failure/Error: expect(sheet['B1']).to eq('55')
       
       expected: "55"
            got: "=ADD(1, A1, 2, C1)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:131:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  7) Spreadsheet#[] adds numbers only from cell references with ADD
     Failure/Error: expect(sheet['D1']).to eq('10')
       
       expected: "10"
            got: "=ADD(B1, A1, C1)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:137:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  8) Spreadsheet#[] multiplies numbers with MULTIPLY
     Failure/Error: expect(sheet1['A1']).to eq('120')
       
       expected: "120"
            got: "=MULTIPLY(1, 2, 3, 4, 5)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:144:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  9) Spreadsheet#[] raises an exception for less than two arguments to MULTIPLY
     Failure/Error: expect { Spreadsheet.new('=MULTIPLY(1)')['A1'] }.to raise_error(
       expected Spreadsheet::Error with message matching /Wrong number of arguments for 'MULTIPLY': expected at least 2, got 1/ but nothing was raised
     # /tmp/d20160121-5693-nl5dp9/spec.rb:149:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  10) Spreadsheet#[] subtracts two numbers with SUBTRACT
     Failure/Error: expect(sheet['A1']).to eq('2')
       
       expected: "2"
            got: "=SUBTRACT(5, 3)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:161:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  11) Spreadsheet#[] subtracts numbers via cell references
     Failure/Error: expect(sheet['D1']).to eq('4')
       
       expected: "4"
            got: "=SUBTRACT(C1, 1)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:167:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  12) Spreadsheet#[] raises an exception when SUBTRACT is called with a wrong number of arguments
     Failure/Error: expect { Spreadsheet.new('=SUBTRACT(1)')['A1'] }.to raise_error(
       expected Spreadsheet::Error with message matching /Wrong number of arguments for 'SUBTRACT': expected 2, got 1/ but nothing was raised
     # /tmp/d20160121-5693-nl5dp9/spec.rb:171:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  13) Spreadsheet#[] divides two numbers with DIVIDE
     Failure/Error: expect(sheet['A1']).to eq('42')
       
       expected: "42"
            got: "=DIVIDE(84, 2)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:183:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  14) Spreadsheet#[] divides numbers via cell references
     Failure/Error: expect(sheet1['C1']).to eq('42')
       
       expected: "42"
            got: "=DIVIDE(B1, A1)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:190:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  15) Spreadsheet#[] raises an exception when DIVIDE is called with a wrong number of arguments
     Failure/Error: expect { Spreadsheet.new('=DIVIDE(1)')['A1'] }.to raise_error(
       expected Spreadsheet::Error with message matching /Wrong number of arguments for 'DIVIDE': expected 2, got 1/ but nothing was raised
     # /tmp/d20160121-5693-nl5dp9/spec.rb:195:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  16) Spreadsheet#[] calculates the modulo of two numbers with MOD
     Failure/Error: expect(Spreadsheet.new('=MOD(42, 5)')['A1']).to eq('2')
       
       expected: "2"
            got: "=MOD(42, 5)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:205:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  17) Spreadsheet#[] calculates the modulo of two numbers with MOD via cell references
     Failure/Error: expect(sheet1['C1']).to eq('4')
       
       expected: "4"
            got: "=MOD(B1, A1)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:214:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  18) Spreadsheet#[] raises an exception when MOD is called with a wrong number of arguments
     Failure/Error: expect { Spreadsheet.new('=MOD(1)')['A1'] }.to raise_error(
       expected Spreadsheet::Error with message matching /Wrong number of arguments for 'MOD': expected 2, got 1/ but nothing was raised
     # /tmp/d20160121-5693-nl5dp9/spec.rb:219:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  19) Spreadsheet#[] adds floating point numbers with ADD
     Failure/Error: expect(Spreadsheet.new('10  =ADD(A1, 1.1)')['B1']).to eq '11.10'
       
       expected: "11.10"
            got: "=ADD(A1, 1.1)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:229:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  20) Spreadsheet#[] subtracts floating point numbers with SUBTRACT
     Failure/Error: expect(Spreadsheet.new('10  =SUBTRACT(A1, 1.1)')['B1']).to eq '8.90'
       
       expected: "8.90"
            got: "=SUBTRACT(A1, 1.1)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:234:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  21) Spreadsheet#[] multiplies floating point numbers with MULTIPLY
     Failure/Error: expect(Spreadsheet.new('10  =MULTIPLY(A1, 1.1)')['B1']).to eq '11'
       
       expected: "11"
            got: "=MULTIPLY(A1, 1.1)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:239:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  22) Spreadsheet#[] divides floating point numbers with DIVIDE
     Failure/Error: expect(Spreadsheet.new('10  =DIVIDE(A1, 4)')['B1']).to eq '2.50'
       
       expected: "2.50"
            got: "=DIVIDE(A1, 4)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:244:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  23) Spreadsheet#[] evaluates deeply-nested cell references
     Failure/Error: expect(Spreadsheet.new('10  =ADD(5, A1)  3  =DIVIDE(B1, C1)  =MOD(D1, 4)')['E1']).to eq '1'
       
       expected: "1"
            got: "=MOD(D1, 4)"
       
       (compared using ==)
     # /tmp/d20160121-5693-nl5dp9/spec.rb:250:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  24) Spreadsheet#[] raises an exception for unknown functions
     Failure/Error: expect { Spreadsheet.new('=FOO(42)  100')['A1'] }.to raise_error(
       expected Spreadsheet::Error with message matching /Unknown function 'FOO'/ but nothing was raised
     # /tmp/d20160121-5693-nl5dp9/spec.rb:254:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  25) Spreadsheet#[] raises an exception for missing cells passed as function arguments
     Failure/Error: expect { Spreadsheet.new('=ADD(1, B4)  100')['A1'] }.to raise_error(
       expected Spreadsheet::Error with message matching /Cell 'B4' does not exist/ but nothing was raised
     # /tmp/d20160121-5693-nl5dp9/spec.rb:260:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  26) Spreadsheet#[] raises an exception for invalid expressions
     Failure/Error: expect { Spreadsheet.new('=FOO  100')['A1'] }.to raise_error(
       expected Spreadsheet::Error with message matching /Invalid expression 'FOO'/ but nothing was raised
     # /tmp/d20160121-5693-nl5dp9/spec.rb:266:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

Finished in 0.03091 seconds
40 examples, 26 failures

Failed examples:

rspec /tmp/d20160121-5693-nl5dp9/spec.rb:43 # Spreadsheet#to_s returns the evaluated spreadsheet as a table
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:98 # Spreadsheet#[] returns the calculated value of formulae cells
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:106 # Spreadsheet#[] adds two numbers with ADD
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:112 # Spreadsheet#[] adds five numbers with ADD
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:118 # Spreadsheet#[] raises an exception for less than two arguments passed to ADD
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:128 # Spreadsheet#[] adds numbers from cell references and as immediate arguments with ADD
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:134 # Spreadsheet#[] adds numbers only from cell references with ADD
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:140 # Spreadsheet#[] multiplies numbers with MULTIPLY
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:148 # Spreadsheet#[] raises an exception for less than two arguments to MULTIPLY
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:158 # Spreadsheet#[] subtracts two numbers with SUBTRACT
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:164 # Spreadsheet#[] subtracts numbers via cell references
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:170 # Spreadsheet#[] raises an exception when SUBTRACT is called with a wrong number of arguments
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:180 # Spreadsheet#[] divides two numbers with DIVIDE
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:186 # Spreadsheet#[] divides numbers via cell references
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:194 # Spreadsheet#[] raises an exception when DIVIDE is called with a wrong number of arguments
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:204 # Spreadsheet#[] calculates the modulo of two numbers with MOD
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:210 # Spreadsheet#[] calculates the modulo of two numbers with MOD via cell references
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:218 # Spreadsheet#[] raises an exception when MOD is called with a wrong number of arguments
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:228 # Spreadsheet#[] adds floating point numbers with ADD
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:233 # Spreadsheet#[] subtracts floating point numbers with SUBTRACT
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:238 # Spreadsheet#[] multiplies floating point numbers with MULTIPLY
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:243 # Spreadsheet#[] divides floating point numbers with DIVIDE
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:249 # Spreadsheet#[] evaluates deeply-nested cell references
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:253 # Spreadsheet#[] raises an exception for unknown functions
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:259 # Spreadsheet#[] raises an exception for missing cells passed as function arguments
rspec /tmp/d20160121-5693-nl5dp9/spec.rb:265 # Spreadsheet#[] raises an exception for invalid expressions

История (1 версия и 0 коментара)

Росен обнови решението на 11.01.2016 17:19 (преди над 8 години)

+class Spreadsheet
+ attr_accessor :table, :row, :column
+
+ def initialize(string = nil)
+ if(string)
+ @table = edit(string)
+ else
+ @table = Array.new
+ end
+ end
+
+ def empty?
+ @table.empty?
+ end
+
+ def cell_at(cell_index)
+ if( ! /^[A-Z]+\d+$/.match(cell_index) )
+ raise Spreadsheet::Error, "Invalid cell index '#{cell_index}'"
+ end
+
+ calculate(cell_index)
+
+ if( ! @table[@row] || ! @table[@row][@column] )
+ raise Spreadsheet::Error, "Cell '#{cell_index}' does not exist"
+ end
+
+ @table[@row][@column]
+ end
+
+ def calculate(cell_index)
+ @row = /\d+/.match(cell_index).to_s.to_i - 1
+ @column = fix( /[A-Z]+/.match(cell_index).to_s ) - 1
+ end
+
+ def [](cell_index)
+ cell_at(cell_index)
+ end
+
+ def to_s
+ @table.map { |x| x.join("\t") }.join("\n")
+ end
+
+ def fix(string)
+ alphabet = ('A'..'Z').to_a.each_with_index.to_h
+ sum = 0
+ string.split("").reverse.each_with_index do |letter, index|
+ sum += (alphabet[letter] + 1) * (26 ** index)
+ end
+
+ sum
+ end
+
+ def edit(string)
+ array = string.split /\n+/
+ array.map! { |x| x.split(/(\t| +)/) }
+ array.each{ |x| x.delete_if(&:empty?) }
+ array.each{ |x| x.delete_if{ |x| /^\s+$/.match x}}
+ array.each{ |x| x.map!(&:strip) }
+ array.delete_if(&:empty?)
+ end
+end
+
+class Spreadsheet::Error < Exception
+end