Решение на Четвърта задача - Unit тестване от Иво Яков

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Код

RSpec.describe 'Version' do

  describe '#initialize' do

    it 'can initialize with a string argument' do

      expect { Version.new('1.2.3') }.not_to raise_error

      expect { Version.new('') }.not_to raise_error

    end

    it 'can initialize with no arguments' do

      expect { Version.new }.not_to raise_error

    end

    it 'can initialize with Object of type Version as argument' do

      expect { Version.new(Version.new('1.2')) }.not_to raise_error

    end

    it 'can find invalid argument empty string' do

      expect { Version.new(' ') }.to raise_error(ArgumentError)

    end

    it 'can find invalid argument string that has letters' do

      expect { Version.new('0.a') }.to raise_error(ArgumentError)

      expect { Version.new('f.0') }.to raise_error(ArgumentError)

      expect { Version.new('0.1.1f') }.to raise_error(ArgumentError)

    end

    it 'can find invalid argument string with negative numbers' do

      expect { Version.new('0.0.-12') }.to raise_error(ArgumentError)

      expect { Version.new('-1') }.to raise_error(ArgumentError)

    end

    it 'can find invalid argument string with missing numbers' do

      expect { Version.new('0..3') }.to raise_error(ArgumentError)

      expect { Version.new('.3') }.to raise_error(ArgumentError)

    end

  let(:vers) { Version.new }

  let(:vers0) { Version.new('0') }

  let(:vers1) { Version.new('1.0.0') }

  let(:vers2) { Version.new('2.0.0') }

  let(:vers0_1) { Version.new('0.1') }

  let(:vers0_2) { Version.new('0.2') }

  let(:vers0_1_123) { Version.new('0.1.123.0') }

  let(:vers0_1_124) { Version.new('0.1.124.0') }

  describe '#Operators <=>' do

    describe 'Operator <' do

      it 'can check true cases' do

        expect(vers1).to be < vers2

        expect(vers0_1).to be < vers0_2

        expect(vers0_1_123).to be < vers0_1_124

        expect(vers0_1).to be < vers0_1_123

      end

      it 'can check false cases' do

        expect(vers2).to_not be < vers1

        expect(vers0_2).to_not be < vers0_1

        expect(vers0_1_124).to_not be < vers0_1_123

        expect(vers0_1_124).to_not be < vers0_1_124

      end

    end

    describe 'Operator >' do

      it 'can check true cases' do

        expect(vers2).to be > vers1

        expect(vers0_2).to be > vers0_1

        expect(vers0_1_124).to be > vers0_1_123

        expect(vers0_1_123).to be > vers0_1

      end

      it 'can check false cases' do

        expect(vers1).to_not be > vers2

        expect(vers0_1).to_not be > vers0_1_124

        expect(vers0_1_123).to_not be > vers0_1_124

        expect(vers0_1_124).to_not be > vers0_1_124

      end

    end

    describe 'Operator >=' do

      it 'can check true cases' do

        expect(vers0_1_123).to be >= vers0_1_123

        expect(vers0_1_124).to be >= vers0_1_123

        expect(vers0_1_123).to be >= vers0_1

      end

      it 'can check false cases' do

        expect(vers0_1_123).to_not be >= vers0_1_124

        expect(vers0_1).to_not be >= vers0_1_123

      end

    end

    describe 'Operator <=' do

      it 'can check true cases' do

        expect(vers0_1_123).to be <= vers0_1_123

        expect(vers0_1_123).to be <= vers0_1_124

        expect(vers0_1).to be <= vers0_1_123

      end

      it 'can check false cases' do

        expect(vers0_1_124).to_not be <= vers0_1_123

        expect(vers0_1_123).to_not be <= vers0_1

      end

    end

    describe 'Operator ==' do

      it 'can check true cases' do

        expect(vers).to be == vers0

        expect(vers1).to be == vers1

        expect(vers0_1).to be == vers0_1

        expect(vers0_1_123).to be == vers0_1_123

      end

      it 'can check false cases' do

        expect(vers1).to_not be == vers2

        expect(vers2).to_not be == vers1

        expect(vers0_1).to_not be == vers0_2

        expect(vers0_2).to_not be == vers0_1

        expect(vers0_1_123).to_not be == vers0_1_124

        expect(vers0_1_124).to_not be == vers0_1_123

        expect(vers1).to_not be == vers0_1

      end

    end

  describe '#to_s' do

    it 'can work without errors' do

      expect { vers0.to_s }.not_to raise_error

    end

    it 'can parse zero version' do

      expect(vers0.to_s).to eq('')

    end

    it 'can parse and canonize' do

      expect(vers1.to_s).to eq('1')

    end

    it 'can parse with subversions and canonize' do

      expect(vers0_1_123.to_s).to eq('0.1.123')

    end

  describe '#components' do

    it 'can work without errors' do

      expect { vers0_1.components(3) }.not_to raise_error

    end

    it 'does not allow version data modification' do

      a = vers0_1_123.components

      a[1] = 12

      expect(vers0_1_123.components[1]).not_to eq(12)

    end

    it 'can get components with single version number' do

      expect(vers1.components).to eq [1]

    end

    it 'can get components with subversions' do

      expect(vers0_1.components).to eq [0, 1]

    end

    it 'can get components with multiple version digits' do

      expect(vers0_1_123.components).to eq [0, 1, 123]

    end

    it 'can get N components with single version number' do

      expect(vers1.components(1)).to eq [1]

    end

    it 'can get N components with subversions' do

      expect(vers0_1.components(2)).to eq [0, 1]

    end

    it 'can get N components with multiple version digits' do

      expect(vers0_1_123.components(3)).to eq [0, 1, 123]

    end

    it 'can get N components that are more' do

      expect(vers0_1.components(3)).to eq [0, 0, 1]

    end

  describe 'Version::Range' do

    describe '#initialize' do

      it 'can initialize with Object arguments' do

        expected = expect do

          Version::Range.new(Version.new('0.1'), Version.new('2'))

        expected.not_to raise_error

      end

      it 'can initialize with String arguments' do

        expect { Version::Range.new('0.1', '1.2') }.not_to raise_error

      end

      it 'can initialize with mixed type arguments' do

        expected = expect do

          Version::Range.new(Version.new('0.1'), '1.2')

        expected.not_to raise_error

      end

      it 'can find invalid argument empty string' do

        expect { Version::Range.new(' ', ' ') }.to raise_error(ArgumentError)

      end

      it 'can find invalid argument string that has letters' do

        expect { Version::Range.new('1', '0.f') }.to raise_error(ArgumentError)

        expect { Version::Range.new('a.0', '1f') }.to raise_error(ArgumentError)

        expect { Version::Range.new('f', '') }.to raise_error(ArgumentError)

      end

      it 'can find invalid argument string with negative numbers' do

        expect { Version::Range.new('0', '-12') }.to raise_error(ArgumentError)

        expect { Version::Range.new('', '0.-12') }.to raise_error(ArgumentError)

      end

      it 'can find invalid argument string with missing numbers' do

        expect { Version::Range.new('', '0..3') }.to raise_error(ArgumentError)

        expect { Version::Range.new('', '.3') }.to raise_error(ArgumentError)

      end

    end

    let(:range01_to_2) do

      Version::Range.new(Version.new('0.1'), Version.new('2'))

    end

    let(:range0_to_01) do

      Version::Range.new(Version.new('0'), Version.new('0.1'))

    end

    describe '#include?' do

      it 'can work without errors' do

        expect { range01_to_2.include? Version.new('1') }.not_to raise_error

      end

      it 'can work with string as argument' do

        expect((range01_to_2.include? '1.2')).to be true

      end

      it 'can find invalid argument empty string' do

        expect { range01_to_2.include? ' ' }.to raise_error(ArgumentError)

      end

      it 'can find invalid argument string that has letters' do

        expect { range01_to_2.include? '0.g' }.to raise_error(ArgumentError)

        expect { range01_to_2.include? 'z.0' }.to raise_error(ArgumentError)

        expect { range01_to_2.include? '0.1.1g' }.to raise_error(ArgumentError)

      end

      it 'can find invalid argument string with negative numbers' do

        expect { range01_to_2.include? '0.-12' }.to raise_error(ArgumentError)

        expect { range01_to_2.include? '-1' }.to raise_error(ArgumentError)

      end

      it 'can find invalid argument string with missing numbers' do

        expect { range01_to_2.include? '.3' }.to raise_error(ArgumentError)

        expect { range01_to_2.include? '0..3' }.to raise_error(ArgumentError)

      end

      context 'with object as argument' do

        it 'can check supranges' do

          expect((range01_to_2.include? Version.new('1'))).to be true

        it 'can check if at start of ranges' do

          expect((range01_to_2.include? Version.new('0'))).to be false

          expect((range01_to_2.include? Version.new('0.1'))).to be true

          expect((range01_to_2.include? Version.new('0.2'))).to be true

        it 'can check if at end of ranges' do

          expect((range01_to_2.include? Version.new('1.9'))).to be true

          expect((range01_to_2.include? Version.new('2'))).to be false

          expect((range01_to_2.include? Version.new('2.1'))).to be false

        it 'can check deep subranges' do

          expect((range01_to_2.include? Version.new('1.2.3.4'))).to be true

        it 'can check ranges that start with zero' do

          expect((range0_to_01.include? Version.new('0'))).to be true

          expect((range0_to_01.include? Version.new('0.0.0.1'))).to be true

      end

      context 'with string as argument' do

        it 'can check supranges' do

          expect((range01_to_2.include? '1')).to be true

        it 'can check if at start of ranges' do

          expect((range01_to_2.include? '0')).to be false

          expect((range01_to_2.include? '0.1')).to be true

          expect((range01_to_2.include? '0.2')).to be true

        it 'can check if at end of ranges' do

          expect((range01_to_2.include? '1.9')).to be true

          expect((range01_to_2.include? '2')).to be false

          expect((range01_to_2.include? '2.1')).to be false

        it 'can check deep subranges' do

          expect((range01_to_2.include? '1.2.3.4')).to be true

        it 'can check ranges that start with zero' do

          expect((range0_to_01.include? '0')).to be true

          expect((range0_to_01.include? '0.0.0.1')).to be true

      end

    end

    describe '#to_a' do

      it 'can work without errors' do

        expect { range0_to_01.to_a }.not_to raise_error

      end

      it 'can give first elements of range' do

        expect(range0_to_01.to_a[0]).to eq(Version.new)

        expect(range0_to_01.to_a[1]).to eq(Version.new('0.0.1'))

      end

      it 'can give last elements of subrange' do

        expect(range0_to_01.to_a[8]).to eq(Version.new('0.0.8'))

        expect(range0_to_01.to_a[9]).to eq(Version.new('0.0.9'))

        expect(range0_to_01.to_a[10]).to eq(nil)

      end

      it 'can give last elements of suprange' do

        expect(range01_to_2.to_a[90]).to eq(Version.new('1'))

        expect(range01_to_2.to_a[189]).to eq(Version.new('1.9.9'))

        expect(range0_to_01.to_a[190]).to eq(nil)

      end

      it 'gives all elements' do

        arr = range0_to_01.to_a.map(&:to_s)

        expect(arr).to eq [

          '', '0.0.1', '0.0.2', '0.0.3',

          '0.0.4', '0.0.5', '0.0.6',

          '0.0.7', '0.0.8', '0.0.9'

      end

      it 'works for maximum 3 component Versions' do

        range1 = Version::Range.new(Version.new('0'), Version.new('0.0.1'))

        four_component = range1.to_a.map(&:to_s)

        expect(four_component).to eq([''])

        range2 = Version::Range.new(Version.new('0'), Version.new('0.0.0.1'))

        five_component = range2.to_a.map(&:to_s)

        expect(five_component).to eq([''])

      end

    end

Лог от изпълнението

F

Failures:

  1) spec passes for the correct solution
     Failure/Error: expect(SOLUTION).to pass_tests
       expected this solution to pass the tests:
       
         class Version
           VALID_VERSION_REGEXP = /\A\z|\A[0-9]+(\.[0-9]+)*\z/
         
           include Comparable
         
           def initialize(version = '')
             unless VALID_VERSION_REGEXP.match(version.to_s)
               raise ArgumentError, "Invalid version string '#{version}'"
             end
         
             @components = version.to_s
               .split('.')
               .map(&:to_i)
               .reverse
               .drop_while(&:zero?)
               .reverse
           end
         
           def <=>(other)
             @components <=> Version.new(other).internal_components
           end
         
           def internal_components(positions = 0)
             padding_size = positions - @components.size
         
             if padding_size > 0
               @components + [0] * padding_size
             elsif positions != 0
               @components.take(positions)
             else
               @components.dup
             end
           end
         
           def components(positions = 0)
             padding_size = positions - @components.size
         
             if padding_size > 0
               @components + [0] * padding_size
             elsif positions != 0
               @components.take(positions)
             else
               @components.dup
             end
           end
         
           def to_s
             @components.join('.')
           end
         
           class Range
             include Enumerable
         
             def initialize(start_version, end_version)
               @start_version = Version.new(start_version)
               @end_version   = Version.new(end_version)
             end
         
             def include?(version)
               (@start_version <=> version) < 1 && (@end_version <=> version) == 1
             end
         
             def each
               current_version = @start_version
         
               while (current_version <=> @end_version) == -1
                 yield current_version
         
                 current_version = increment_version(current_version)
               end
             end
         
             private
         
             def increment_version(version)
               components = version.internal_components(3)
         
               components[2] += 1
         
               components.to_enum.with_index.reverse_each do |_, index|
                 component = components[index]
         
                 if component >= 10 && components[index - 1]
                   components[index]      = 0
                   components[index - 1] += 1
                 end
               end
         
               Version.new(components.join('.'))
             end
           end
         end
       
       
       RSpec log:
       
         .............................F.............................
         
         Failures:
         
           1) Version #components can get N components that are more
              Failure/Error: expect(vers0_1.components(3)).to eq [0, 0, 1]
                
                expected: [0, 0, 1]
                     got: [0, 1, 0]
                
                (compared using ==)
              # ./solution_spec.rb:157:in `block (3 levels) in <top (required)>'
         
         Finished in 0.05332 seconds
         59 examples, 1 failure
         
         Failed examples:
         
         rspec ./solution_spec.rb:156 # Version #components can get N components that are more
     # /tmp/d20161119-19072-k5in34/spec.rb:180:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:7:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:7:in `block (2 levels) in <top (required)>'

Finished in 0.83407 seconds
1 example, 1 failure

Failed examples:

rspec /tmp/d20161119-19072-k5in34/spec.rb:179 # spec passes for the correct solution

История (1 версия и 0 коментара)

Иво обнови решението на 18.11.2016 13:55 (преди над 7 години)

+RSpec.describe 'Version' do

+  describe '#initialize' do

+    it 'can initialize with a string argument' do

+      expect { Version.new('1.2.3') }.not_to raise_error

+      expect { Version.new('') }.not_to raise_error

+    end

+    it 'can initialize with no arguments' do

+      expect { Version.new }.not_to raise_error

+    end

+    it 'can initialize with Object of type Version as argument' do

+      expect { Version.new(Version.new('1.2')) }.not_to raise_error

+    end

+    it 'can find invalid argument empty string' do

+      expect { Version.new(' ') }.to raise_error(ArgumentError)

+    end

+    it 'can find invalid argument string that has letters' do

+      expect { Version.new('0.a') }.to raise_error(ArgumentError)

+      expect { Version.new('f.0') }.to raise_error(ArgumentError)

+      expect { Version.new('0.1.1f') }.to raise_error(ArgumentError)

+    end

+    it 'can find invalid argument string with negative numbers' do

+      expect { Version.new('0.0.-12') }.to raise_error(ArgumentError)

+      expect { Version.new('-1') }.to raise_error(ArgumentError)

+    end

+    it 'can find invalid argument string with missing numbers' do

+      expect { Version.new('0..3') }.to raise_error(ArgumentError)

+      expect { Version.new('.3') }.to raise_error(ArgumentError)

+    end

+  let(:vers) { Version.new }

+  let(:vers0) { Version.new('0') }

+  let(:vers1) { Version.new('1.0.0') }

+  let(:vers2) { Version.new('2.0.0') }

+  let(:vers0_1) { Version.new('0.1') }

+  let(:vers0_2) { Version.new('0.2') }

+  let(:vers0_1_123) { Version.new('0.1.123.0') }

+  let(:vers0_1_124) { Version.new('0.1.124.0') }

+  describe '#Operators <=>' do

+    describe 'Operator <' do

+      it 'can check true cases' do

+        expect(vers1).to be < vers2

+        expect(vers0_1).to be < vers0_2

+        expect(vers0_1_123).to be < vers0_1_124

+        expect(vers0_1).to be < vers0_1_123

+      end

+      it 'can check false cases' do

+        expect(vers2).to_not be < vers1

+        expect(vers0_2).to_not be < vers0_1

+        expect(vers0_1_124).to_not be < vers0_1_123

+        expect(vers0_1_124).to_not be < vers0_1_124

+      end

+    end

+    describe 'Operator >' do

+      it 'can check true cases' do

+        expect(vers2).to be > vers1

+        expect(vers0_2).to be > vers0_1

+        expect(vers0_1_124).to be > vers0_1_123

+        expect(vers0_1_123).to be > vers0_1

+      end

+      it 'can check false cases' do

+        expect(vers1).to_not be > vers2

+        expect(vers0_1).to_not be > vers0_1_124

+        expect(vers0_1_123).to_not be > vers0_1_124

+        expect(vers0_1_124).to_not be > vers0_1_124

+      end

+    end

+    describe 'Operator >=' do

+      it 'can check true cases' do

+        expect(vers0_1_123).to be >= vers0_1_123

+        expect(vers0_1_124).to be >= vers0_1_123

+        expect(vers0_1_123).to be >= vers0_1

+      end

+      it 'can check false cases' do

+        expect(vers0_1_123).to_not be >= vers0_1_124

+        expect(vers0_1).to_not be >= vers0_1_123

+      end

+    end

+    describe 'Operator <=' do

+      it 'can check true cases' do

+        expect(vers0_1_123).to be <= vers0_1_123

+        expect(vers0_1_123).to be <= vers0_1_124

+        expect(vers0_1).to be <= vers0_1_123

+      end

+      it 'can check false cases' do

+        expect(vers0_1_124).to_not be <= vers0_1_123

+        expect(vers0_1_123).to_not be <= vers0_1

+      end

+    end

+    describe 'Operator ==' do

+      it 'can check true cases' do

+        expect(vers).to be == vers0

+        expect(vers1).to be == vers1

+        expect(vers0_1).to be == vers0_1

+        expect(vers0_1_123).to be == vers0_1_123

+      end

+      it 'can check false cases' do

+        expect(vers1).to_not be == vers2

+        expect(vers2).to_not be == vers1

+        expect(vers0_1).to_not be == vers0_2

+        expect(vers0_2).to_not be == vers0_1

+        expect(vers0_1_123).to_not be == vers0_1_124

+        expect(vers0_1_124).to_not be == vers0_1_123

+        expect(vers1).to_not be == vers0_1

+      end

+    end

+  describe '#to_s' do

+    it 'can work without errors' do

+      expect { vers0.to_s }.not_to raise_error

+    end

+    it 'can parse zero version' do

+      expect(vers0.to_s).to eq('')

+    end

+    it 'can parse and canonize' do

+      expect(vers1.to_s).to eq('1')

+    end

+    it 'can parse with subversions and canonize' do

+      expect(vers0_1_123.to_s).to eq('0.1.123')

+    end

+  describe '#components' do

+    it 'can work without errors' do

+      expect { vers0_1.components(3) }.not_to raise_error

+    end

+    it 'does not allow version data modification' do

+      a = vers0_1_123.components

+      a[1] = 12

+      expect(vers0_1_123.components[1]).not_to eq(12)

+    end

+    it 'can get components with single version number' do

+      expect(vers1.components).to eq [1]

+    end

+    it 'can get components with subversions' do

+      expect(vers0_1.components).to eq [0, 1]

+    end

+    it 'can get components with multiple version digits' do

+      expect(vers0_1_123.components).to eq [0, 1, 123]

+    end

+    it 'can get N components with single version number' do

+      expect(vers1.components(1)).to eq [1]

+    end

+    it 'can get N components with subversions' do

+      expect(vers0_1.components(2)).to eq [0, 1]

+    end

+    it 'can get N components with multiple version digits' do

+      expect(vers0_1_123.components(3)).to eq [0, 1, 123]

+    end

+    it 'can get N components that are more' do

+      expect(vers0_1.components(3)).to eq [0, 0, 1]

+    end

+  describe 'Version::Range' do

+    describe '#initialize' do

+      it 'can initialize with Object arguments' do

+        expected = expect do

+          Version::Range.new(Version.new('0.1'), Version.new('2'))

+        end

+        expected.not_to raise_error

+      end

+      it 'can initialize with String arguments' do

+        expect { Version::Range.new('0.1', '1.2') }.not_to raise_error

+      end

+      it 'can initialize with mixed type arguments' do

+        expected = expect do

+          Version::Range.new(Version.new('0.1'), '1.2')

+        end

+        expected.not_to raise_error

+      end

+      it 'can find invalid argument empty string' do

+        expect { Version::Range.new(' ', ' ') }.to raise_error(ArgumentError)

+      end

+      it 'can find invalid argument string that has letters' do

+        expect { Version::Range.new('1', '0.f') }.to raise_error(ArgumentError)

+        expect { Version::Range.new('a.0', '1f') }.to raise_error(ArgumentError)

+        expect { Version::Range.new('f', '') }.to raise_error(ArgumentError)

+      end

+      it 'can find invalid argument string with negative numbers' do

+        expect { Version::Range.new('0', '-12') }.to raise_error(ArgumentError)

+        expect { Version::Range.new('', '0.-12') }.to raise_error(ArgumentError)

+      end

+      it 'can find invalid argument string with missing numbers' do

+        expect { Version::Range.new('', '0..3') }.to raise_error(ArgumentError)

+        expect { Version::Range.new('', '.3') }.to raise_error(ArgumentError)

+      end

+    end

+    let(:range01_to_2) do

+      Version::Range.new(Version.new('0.1'), Version.new('2'))

+    end

+    let(:range0_to_01) do

+      Version::Range.new(Version.new('0'), Version.new('0.1'))

+    end

+    describe '#include?' do

+      it 'can work without errors' do

+        expect { range01_to_2.include? Version.new('1') }.not_to raise_error

+      end

+      it 'can work with string as argument' do

+        expect((range01_to_2.include? '1.2')).to be true

+      end

+      it 'can find invalid argument empty string' do

+        expect { range01_to_2.include? ' ' }.to raise_error(ArgumentError)

+      end

+      it 'can find invalid argument string that has letters' do

+        expect { range01_to_2.include? '0.g' }.to raise_error(ArgumentError)

+        expect { range01_to_2.include? 'z.0' }.to raise_error(ArgumentError)

+        expect { range01_to_2.include? '0.1.1g' }.to raise_error(ArgumentError)

+      end

+      it 'can find invalid argument string with negative numbers' do

+        expect { range01_to_2.include? '0.-12' }.to raise_error(ArgumentError)

+        expect { range01_to_2.include? '-1' }.to raise_error(ArgumentError)

+      end

+      it 'can find invalid argument string with missing numbers' do

+        expect { range01_to_2.include? '.3' }.to raise_error(ArgumentError)

+        expect { range01_to_2.include? '0..3' }.to raise_error(ArgumentError)

+      end

+      context 'with object as argument' do

+        it 'can check supranges' do

+          expect((range01_to_2.include? Version.new('1'))).to be true

+        end

+        it 'can check if at start of ranges' do

+          expect((range01_to_2.include? Version.new('0'))).to be false

+          expect((range01_to_2.include? Version.new('0.1'))).to be true

+          expect((range01_to_2.include? Version.new('0.2'))).to be true

+        end

+        it 'can check if at end of ranges' do

+          expect((range01_to_2.include? Version.new('1.9'))).to be true

+          expect((range01_to_2.include? Version.new('2'))).to be false

+          expect((range01_to_2.include? Version.new('2.1'))).to be false

+        end

+        it 'can check deep subranges' do

+          expect((range01_to_2.include? Version.new('1.2.3.4'))).to be true

+        end

+        it 'can check ranges that start with zero' do

+          expect((range0_to_01.include? Version.new('0'))).to be true

+          expect((range0_to_01.include? Version.new('0.0.0.1'))).to be true

+        end

+      end

+      context 'with string as argument' do

+        it 'can check supranges' do

+          expect((range01_to_2.include? '1')).to be true

+        end

+        it 'can check if at start of ranges' do

+          expect((range01_to_2.include? '0')).to be false

+          expect((range01_to_2.include? '0.1')).to be true

+          expect((range01_to_2.include? '0.2')).to be true

+        end

+        it 'can check if at end of ranges' do

+          expect((range01_to_2.include? '1.9')).to be true

+          expect((range01_to_2.include? '2')).to be false

+          expect((range01_to_2.include? '2.1')).to be false

+        end

+        it 'can check deep subranges' do

+          expect((range01_to_2.include? '1.2.3.4')).to be true

+        end

+        it 'can check ranges that start with zero' do

+          expect((range0_to_01.include? '0')).to be true

+          expect((range0_to_01.include? '0.0.0.1')).to be true

+        end

+      end

+    end

+    describe '#to_a' do

+      it 'can work without errors' do

+        expect { range0_to_01.to_a }.not_to raise_error

+      end

+      it 'can give first elements of range' do

+        expect(range0_to_01.to_a[0]).to eq(Version.new)

+        expect(range0_to_01.to_a[1]).to eq(Version.new('0.0.1'))

+      end

+      it 'can give last elements of subrange' do

+        expect(range0_to_01.to_a[8]).to eq(Version.new('0.0.8'))

+        expect(range0_to_01.to_a[9]).to eq(Version.new('0.0.9'))

+        expect(range0_to_01.to_a[10]).to eq(nil)

+      end

+      it 'can give last elements of suprange' do

+        expect(range01_to_2.to_a[90]).to eq(Version.new('1'))

+        expect(range01_to_2.to_a[189]).to eq(Version.new('1.9.9'))

+        expect(range0_to_01.to_a[190]).to eq(nil)

+      end

+      it 'gives all elements' do

+        arr = range0_to_01.to_a.map(&:to_s)

+        expect(arr).to eq [

+          '', '0.0.1', '0.0.2', '0.0.3',

+          '0.0.4', '0.0.5', '0.0.6',

+          '0.0.7', '0.0.8', '0.0.9'

+      end

+      it 'works for maximum 3 component Versions' do

+        range1 = Version::Range.new(Version.new('0'), Version.new('0.0.1'))

+        four_component = range1.to_a.map(&:to_s)

+        expect(four_component).to eq([''])

+        range2 = Version::Range.new(Version.new('0'), Version.new('0.0.0.1'))

+        five_component = range2.to_a.map(&:to_s)

+        expect(five_component).to eq([''])

+      end

+    end

Програмиране с Ruby

Курс във Факултета по Математика и Информатика към СУ

Решение на Четвърта задача - Unit тестване от Иво Яков

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История (1 версия и 0 коментара)

Иво обнови решението на 18.11.2016 13:55 (преди над 7 години)