Създаване на хеш чрез map

Програмиране с Ruby

Курс във Факултета по Математика и Информатика към СУ

Решение на Четвърта задача - Unit тестване от Мая Терзиева

Обратно към всички решения

Към профила на Мая Терзиева

Резултати

  • 5 точки от тестове
  • 0 бонус точки
  • 5 точки общо
  • 16 успешни тест(а)
  • 3 неуспешни тест(а)

Код

RSpec.describe 'Version' do
describe '#initialize' do
it 'raises error with a wrong parameter' do
wrong_version = 'banana'
expect { Version.new(wrong_version) }
.to raise_error(
ArgumentError,
"Invalid version string \'#{wrong_version}\'"
)
end
end
describe '#compare' do
it 'distinguishes lower or equal version' do
lower_version = Version.new('1.2.3')
higher_version = Version.new('1.3')
expect(lower_version < higher_version).to be true
expect(lower_version <= higher_version).to be true
expect(lower_version <= Version.new(lower_version)).to be true
end
it 'distinguishes higher or equal version' do
lower_version = Version.new('1.0.2.3')
higher_version = Version.new('2.3')
expect(higher_version > lower_version).to be true
expect(higher_version >= lower_version).to be true
expect(lower_version >= Version.new(lower_version)).to be true
end
it 'distinguishes equal versions' do
version = Version.new('0.1')
expect(version == Version.new(version)).to be true
end
it 'distinguishes different versions' do
version = Version.new('1.0.4')
another_version = Version.new('2.35')
expect(version != another_version).to be true
expect(version <=> another_version).to eq -1
end
it 'ignores trailing zeros' do
expect(Version.new('1.2.3') == Version.new('1.2.3.0.0')).to be true
end
it 'considers intermediate zeros' do
expect(Version.new('1.2.0.3') == Version.new('1.2.3')).to be false
end
end
describe '#components' do
it 'returns version components in the correct order' do
expect(Version.new('1.2.3.40').components).to eq([1, 2, 3, 40])
end
it 'ignores trailing zeros' do
expect(Version.new('1.2.3.0.0').components).to eq([1, 2, 3])
end
it 'keeps intermediate zeros' do
expect(Version.new('0.1.0.2.3').components).to eq([0, 1, 0, 2, 3])
end
it 'fills missing positions with zeros' do
expect(Version.new('1.2.3').components(6)).to eq([1, 2, 3, 0, 0, 0])
end
it 'returns first N components in the correct order' do
expect(Version.new('1.2.3.4.5.6').components(3)).to eq([1, 2, 3])
end
it 'returns copy of the version components' do
version = Version.new('1.2.3')
expect(version.components.reverse!).not_to eq(version.components)
end
end
describe '#to_s' do
it 'represents version from a string' do
parameter = '4.78.1.2'
version = Version.new(parameter)
expect(version.to_s).to eq parameter
end
it 'represents version from another instance' do
parameter = '4.78.1.2'
version = Version.new(parameter)
another_version = Version.new(version)
expect(another_version.to_s).to eq parameter
end
it 'represents version from an empty string' do
version = Version.new('')
expect(version.to_s).to eq ''
end
it 'ignores trailing zeros' do
version_string = '1.2.3.0.0.0'
version = Version.new(version_string)
expect(version.to_s).to eq version_string.chomp('.0.0.0')
end
it 'keeps trailing zeros when part of the last component' do
version_string = '1.20.3.50'
version = Version.new(version_string)
expect(version.to_s).to eq version_string
end
it 'keeps intermediate zeros' do
version_string = '1.2.3.0.0.0.6'
version = Version.new(version_string)
expect(version.to_s).to eq version_string
end
end
end
RSpec.describe 'Version::Range' do
describe '#include?' do
it 'works with strings' do
lower_version = '1.2.30'
higher_version = '1.30.6'
middle_version = '1.3'
range = Version::Range.new(lower_version, higher_version)
expect((range.include? middle_version)).to be true
end
it 'works with version instances' do
lower_version = Version.new('1.2.3')
higher_version = Version.new('1.3.6')
middle_version = Version.new('1.3')
range = Version::Range.new(lower_version, higher_version)
expect((range.include? Version.new(middle_version))).to be true
end
it 'considers a range with equal bounds empty' do
range = Version::Range.new('1.2.3', '1.2.3')
expect((range.include? '1.2.3')).to be false
end
it 'detects version is within range' do
range = Version::Range.new('', '9.19.9')
expect((range.include? '0.5')).to be true
end
it 'detects version is out of range' do
range = Version::Range.new('', '1.2.3')
expect((range.include? '9.9.9')).to be false
end
it 'includes the lower bound of a range' do
range = Version::Range.new('0.1', '9.9.9')
expect((range.include? '0.1')).to be true
end
it 'excludes the higher bound of a range' do
range = Version::Range.new('', '9.9.9')
expect((range.include? '9.9.9')).to be false
end
end
describe '#to_a' do
it 'generates all versions within range' do
range = Version::Range.new('1.1.0', '1.2.2')
expect(range.to_a).to eq(
[
'1.1', '1.1.1', '1.1.2',
'1.1.3', '1.1.4', '1.1.5',
'1.1.6', '1.1.7', '1.1.8',
'1.1.9', '1.2', '1.2.1'
]
)
end
it 'generates empty array for a range with equal bounds' do
expect(Version::Range.new('1.1', '1.1').to_a).to eq([])
end
it 'includes the lower bound and excludes the higher bound of a range' do
expect(Version::Range.new('0.1.1', '0.1.2').to_a).to eq(['0.1.1'])
end
it 'correctly increments versions' do
expect(Version::Range.new('0.1.9', '0.2').to_a).to eq(['0.1.9'])
expect(Version::Range.new('0.9.9', '1').to_a).to eq(['0.9.9'])
end
end
end

Лог от изпълнението

....F.F.........F..

Failures:

  1) spec Version checks that initialize can be given no arguments
     Failure/Error: expect(@solution).to_not pass_tests
       expected this solution to not 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
     # /tmp/d20161119-19072-qe4jz6/spec.rb:314:in `block (3 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)>'

  2) spec Version checks for comparison operators negatively
     Failure/Error: expect(@solution).to_not pass_tests
       expected this solution to not pass the tests:
       
         class Version
         def >(other)
           true
         end
           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
     # /tmp/d20161119-19072-qe4jz6/spec.rb:359:in `block (3 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)>'

  3) spec Version::Range tests include? with versions lower than the start one
     Failure/Error: expect(@solution).to_not pass_tests
       expected this solution to not 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)
               @end_version > version
             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
     # /tmp/d20161119-19072-qe4jz6/spec.rb:522:in `block (3 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 16.74 seconds
19 examples, 3 failures

Failed examples:

rspec /tmp/d20161119-19072-qe4jz6/spec.rb:298 # spec Version checks that initialize can be given no arguments
rspec /tmp/d20161119-19072-qe4jz6/spec.rb:353 # spec Version checks for comparison operators negatively
rspec /tmp/d20161119-19072-qe4jz6/spec.rb:515 # spec Version::Range tests include? with versions lower than the start one

История (3 версии и 0 коментара)

Мая обнови решението на 18.11.2016 23:20 (преди над 8 години)

+RSpec.describe 'Version' do
+ describe '#initialize' do
+ it 'raises error with wrong parameter' do
+ wrong_version = 'banana'
+
+ expect { Version.new(wrong_version) }
+ .to raise_error(
+ ArgumentError,
+ "Invalid version string \'#{wrong_version}\'"
+ )
+ end
+ end
+
+ describe '#compare' do
+ it 'distinguishes lower or equal version' do
+ lower_version = Version.new('1.2.3')
+ higher_version = Version.new('1.3')
+
+ expect(lower_version < higher_version).to be true
+ expect(lower_version <= higher_version).to be true
+ expect(lower_version <= Version.new(lower_version)).to be true
+ end
+
+ it 'distinguishes strictly higher or equal version' do
+ lower_version = Version.new('1.0.2.3')
+ higher_version = Version.new('2.3')
+
+ expect(higher_version > lower_version).to be true
+ expect(higher_version >= lower_version).to be true
+ expect(lower_version >= Version.new(lower_version)).to be true
+ end
+
+ it 'distinguishes equal versions' do
+ version = Version.new('0.1')
+
+ expect(version == Version.new(version)).to be true
+ end
+
+ it 'distinguishes different versions' do
+ version = Version.new('1.0.4')
+ another_version = Version.new('2.35')
+
+ expect(version != another_version).to be true
+ expect(version <=> another_version).to eq -1
+ end
+
+ it 'ignores trailing zeros' do
+ expect(Version.new('1.2.3') == Version.new('1.2.3.0.0')).to be true
+ end
+
+ it 'considers intermediate zeros' do
+ expect(Version.new('1.2.0.3') == Version.new('1.2.3')).to be false
+ end
+ end
+
+ describe '#components' do
+ it 'returns version components in the correct order' do
+ expect(Version.new('1.2.3.40').components).to eq([1, 2, 3, 40])
+ end
+
+ it 'ignores trailing zeros' do
+ expect(Version.new('1.2.3.0.0').components).to eq([1, 2, 3])
+ end
+
+ it 'keeps intermediate zeros' do
+ expect(Version.new('0.1.0.2.3').components).to eq([0, 1, 0, 2, 3])
+ end
+
+ it 'fills missing positions with zeros' do
+ expect(Version.new('1.2.3').components(6)).to eq([1, 2, 3, 0, 0, 0])
+ end
+
+ it 'returns first N components in the correct order' do
+ expect(Version.new('1.2.3.4.5.6').components(3)).to eq([1, 2, 3])
+ end
+
+ it 'returns copy of the version components' do
+ version = Version.new('1.2.3')
+ expect(version.components.reverse!).not_to eq(version.components)
+ end
+ end
+
+ describe '#to_s' do
+ it 'represents version from a string' do
+ parameter = '4.78.1.2'
+ version = Version.new(parameter)
+
+ expect(version.to_s).to eq parameter
+ end
+
+ it 'represents version from another instance' do
+ parameter = '4.78.1.2'
+ version = Version.new(parameter)
+ another_version = Version.new(version)
+
+ expect(another_version.to_s).to eq parameter
+ end
+
+ it 'represents version from an empty string' do
+ version = Version.new('')
+
+ expect(version.to_s).to eq ''
+ end
+
+ it 'ignores trailing zeros' do
+ version_string = '1.2.3.0.0.0'
+ version = Version.new(version_string)
+
+ expect(version.to_s).to eq version_string.chomp('.0.0.0')
+ end
+
+ it 'keeps trailing zeros when part of the last component' do
+ version_string = '1.20.3.50'
+ version = Version.new(version_string)
+
+ expect(version.to_s).to eq version_string
+ end
+
+ it 'keeps intermediate zeros' do
+ version_string = '1.2.3.0.0.0.6'
+ version = Version.new(version_string)
+
+ expect(version.to_s).to eq version_string
+ end
+ end
+end
+
+RSpec.describe 'Version::Range' do
+ describe '#include?' do
+ it 'works with strings' do
+ lower_version = '1.2.30'
+ higher_version = '1.30.6'
+ middle_version = '1.3'
+ range = Version::Range.new(lower_version, higher_version)
+
+ expect((range.include? middle_version)).to be true
+ end
+
+ it 'works with version instances' do
+ lower_version = Version.new('1.2.3')
+ higher_version = Version.new('1.3.6')
+ middle_version = Version.new('1.3')
+ range = Version::Range.new(lower_version, higher_version)
+
+ expect((range.include? Version.new(middle_version))).to be true
+ end
+
+ it 'considers a range with equal bounds empty' do
+ range = Version::Range.new('1.2.3', '1.2.3')
+
+ expect((range.include? '1.2.3')).to be false
+ end
+
+ it 'detects version is within a range' do
+ range = Version::Range.new('', '9.19.9')
+
+ expect((range.include? '0.5')).to be true
+ end
+
+ it 'detects version is out of a range' do
+ range = Version::Range.new('', '1.2.3')
+
+ expect((range.include? '9.9.9')).to be false
+ end
+
+ it 'includes the lower bound of a range' do
+ range = Version::Range.new('0.1', '9.9.9')
+
+ expect((range.include? '0.1')).to be true
+ end
+
+ it 'excludes the higher bound of a range' do
+ range = Version::Range.new('', '9.9.9')
+
+ expect((range.include? '9.9.9')).to be false
+ end
+ end
+
+ describe '#to_a' do
+ it 'generates all versions within a range' do
+ range = Version::Range.new('1.1.0', '1.2.2')
+
+ expect(range.to_a).to eq(
+ [
+ '1.1', '1.1.1', '1.1.2',
+ '1.1.3', '1.1.4', '1.1.5',
+ '1.1.6', '1.1.7', '1.1.8',
+ '1.1.9', '1.2', '1.2.1'
+ ]
+ )
+ end
+
+ it 'generates empty array for a range with equal bounds' do
+ expect(Version::Range.new('1.1', '1.1').to_a).to eq([])
+ end
+
+ it 'includes the lower bound and excludes the higher bound of a range' do
+ expect(Version::Range.new('0.1.1', '0.1.2').to_a).to eq(['0.1.1'])
+ end
+
+ it 'correctly increments versions' do
+ expect(Version::Range.new('0.1.9', '0.2').to_a).to eq(['0.1.9'])
+ expect(Version::Range.new('0.9.9', '1').to_a).to eq(['0.9.9'])
+ end
+ end
+end

Мая обнови решението на 18.11.2016 23:22 (преди над 8 години)

RSpec.describe 'Version' do
describe '#initialize' do
it 'raises error with wrong parameter' do
wrong_version = 'banana'
expect { Version.new(wrong_version) }
.to raise_error(
ArgumentError,
"Invalid version string \'#{wrong_version}\'"
)
end
end
describe '#compare' do
it 'distinguishes lower or equal version' do
lower_version = Version.new('1.2.3')
higher_version = Version.new('1.3')
expect(lower_version < higher_version).to be true
expect(lower_version <= higher_version).to be true
expect(lower_version <= Version.new(lower_version)).to be true
end
it 'distinguishes strictly higher or equal version' do
lower_version = Version.new('1.0.2.3')
higher_version = Version.new('2.3')
expect(higher_version > lower_version).to be true
expect(higher_version >= lower_version).to be true
expect(lower_version >= Version.new(lower_version)).to be true
end
it 'distinguishes equal versions' do
version = Version.new('0.1')
expect(version == Version.new(version)).to be true
end
it 'distinguishes different versions' do
version = Version.new('1.0.4')
another_version = Version.new('2.35')
expect(version != another_version).to be true
expect(version <=> another_version).to eq -1
end
it 'ignores trailing zeros' do
expect(Version.new('1.2.3') == Version.new('1.2.3.0.0')).to be true
end
it 'considers intermediate zeros' do
expect(Version.new('1.2.0.3') == Version.new('1.2.3')).to be false
end
end
describe '#components' do
it 'returns version components in the correct order' do
expect(Version.new('1.2.3.40').components).to eq([1, 2, 3, 40])
end
it 'ignores trailing zeros' do
expect(Version.new('1.2.3.0.0').components).to eq([1, 2, 3])
end
it 'keeps intermediate zeros' do
expect(Version.new('0.1.0.2.3').components).to eq([0, 1, 0, 2, 3])
end
it 'fills missing positions with zeros' do
expect(Version.new('1.2.3').components(6)).to eq([1, 2, 3, 0, 0, 0])
end
it 'returns first N components in the correct order' do
expect(Version.new('1.2.3.4.5.6').components(3)).to eq([1, 2, 3])
end
it 'returns copy of the version components' do
version = Version.new('1.2.3')
expect(version.components.reverse!).not_to eq(version.components)
end
end
describe '#to_s' do
it 'represents version from a string' do
parameter = '4.78.1.2'
version = Version.new(parameter)
expect(version.to_s).to eq parameter
end
it 'represents version from another instance' do
parameter = '4.78.1.2'
version = Version.new(parameter)
another_version = Version.new(version)
expect(another_version.to_s).to eq parameter
end
it 'represents version from an empty string' do
version = Version.new('')
expect(version.to_s).to eq ''
end
it 'ignores trailing zeros' do
version_string = '1.2.3.0.0.0'
version = Version.new(version_string)
expect(version.to_s).to eq version_string.chomp('.0.0.0')
end
it 'keeps trailing zeros when part of the last component' do
version_string = '1.20.3.50'
version = Version.new(version_string)
expect(version.to_s).to eq version_string
end
it 'keeps intermediate zeros' do
version_string = '1.2.3.0.0.0.6'
version = Version.new(version_string)
expect(version.to_s).to eq version_string
end
end
end
RSpec.describe 'Version::Range' do
describe '#include?' do
it 'works with strings' do
lower_version = '1.2.30'
higher_version = '1.30.6'
middle_version = '1.3'
range = Version::Range.new(lower_version, higher_version)
expect((range.include? middle_version)).to be true
end
it 'works with version instances' do
lower_version = Version.new('1.2.3')
higher_version = Version.new('1.3.6')
middle_version = Version.new('1.3')
range = Version::Range.new(lower_version, higher_version)
expect((range.include? Version.new(middle_version))).to be true
end
it 'considers a range with equal bounds empty' do
range = Version::Range.new('1.2.3', '1.2.3')
expect((range.include? '1.2.3')).to be false
end
- it 'detects version is within a range' do
+ it 'detects version is within range' do
range = Version::Range.new('', '9.19.9')
expect((range.include? '0.5')).to be true
end
- it 'detects version is out of a range' do
+ it 'detects version is out of range' do
range = Version::Range.new('', '1.2.3')
expect((range.include? '9.9.9')).to be false
end
it 'includes the lower bound of a range' do
range = Version::Range.new('0.1', '9.9.9')
expect((range.include? '0.1')).to be true
end
it 'excludes the higher bound of a range' do
range = Version::Range.new('', '9.9.9')
expect((range.include? '9.9.9')).to be false
end
end
describe '#to_a' do
- it 'generates all versions within a range' do
+ it 'generates all versions within range' do
range = Version::Range.new('1.1.0', '1.2.2')
expect(range.to_a).to eq(
[
'1.1', '1.1.1', '1.1.2',
'1.1.3', '1.1.4', '1.1.5',
'1.1.6', '1.1.7', '1.1.8',
'1.1.9', '1.2', '1.2.1'
]
)
end
it 'generates empty array for a range with equal bounds' do
expect(Version::Range.new('1.1', '1.1').to_a).to eq([])
end
it 'includes the lower bound and excludes the higher bound of a range' do
expect(Version::Range.new('0.1.1', '0.1.2').to_a).to eq(['0.1.1'])
end
it 'correctly increments versions' do
expect(Version::Range.new('0.1.9', '0.2').to_a).to eq(['0.1.9'])
expect(Version::Range.new('0.9.9', '1').to_a).to eq(['0.9.9'])
end
end
-end
+end

Мая обнови решението на 18.11.2016 23:24 (преди над 8 години)

RSpec.describe 'Version' do
describe '#initialize' do
- it 'raises error with wrong parameter' do
+ it 'raises error with a wrong parameter' do
wrong_version = 'banana'
expect { Version.new(wrong_version) }
.to raise_error(
ArgumentError,
"Invalid version string \'#{wrong_version}\'"
)
end
end
describe '#compare' do
it 'distinguishes lower or equal version' do
lower_version = Version.new('1.2.3')
higher_version = Version.new('1.3')
expect(lower_version < higher_version).to be true
expect(lower_version <= higher_version).to be true
expect(lower_version <= Version.new(lower_version)).to be true
end
- it 'distinguishes strictly higher or equal version' do
+ it 'distinguishes higher or equal version' do
lower_version = Version.new('1.0.2.3')
higher_version = Version.new('2.3')
expect(higher_version > lower_version).to be true
expect(higher_version >= lower_version).to be true
expect(lower_version >= Version.new(lower_version)).to be true
end
it 'distinguishes equal versions' do
version = Version.new('0.1')
expect(version == Version.new(version)).to be true
end
it 'distinguishes different versions' do
version = Version.new('1.0.4')
another_version = Version.new('2.35')
expect(version != another_version).to be true
expect(version <=> another_version).to eq -1
end
it 'ignores trailing zeros' do
expect(Version.new('1.2.3') == Version.new('1.2.3.0.0')).to be true
end
it 'considers intermediate zeros' do
expect(Version.new('1.2.0.3') == Version.new('1.2.3')).to be false
end
end
describe '#components' do
it 'returns version components in the correct order' do
expect(Version.new('1.2.3.40').components).to eq([1, 2, 3, 40])
end
it 'ignores trailing zeros' do
expect(Version.new('1.2.3.0.0').components).to eq([1, 2, 3])
end
it 'keeps intermediate zeros' do
expect(Version.new('0.1.0.2.3').components).to eq([0, 1, 0, 2, 3])
end
it 'fills missing positions with zeros' do
expect(Version.new('1.2.3').components(6)).to eq([1, 2, 3, 0, 0, 0])
end
it 'returns first N components in the correct order' do
expect(Version.new('1.2.3.4.5.6').components(3)).to eq([1, 2, 3])
end
it 'returns copy of the version components' do
version = Version.new('1.2.3')
expect(version.components.reverse!).not_to eq(version.components)
end
end
describe '#to_s' do
it 'represents version from a string' do
parameter = '4.78.1.2'
version = Version.new(parameter)
expect(version.to_s).to eq parameter
end
it 'represents version from another instance' do
parameter = '4.78.1.2'
version = Version.new(parameter)
another_version = Version.new(version)
expect(another_version.to_s).to eq parameter
end
it 'represents version from an empty string' do
version = Version.new('')
expect(version.to_s).to eq ''
end
it 'ignores trailing zeros' do
version_string = '1.2.3.0.0.0'
version = Version.new(version_string)
expect(version.to_s).to eq version_string.chomp('.0.0.0')
end
it 'keeps trailing zeros when part of the last component' do
version_string = '1.20.3.50'
version = Version.new(version_string)
expect(version.to_s).to eq version_string
end
it 'keeps intermediate zeros' do
version_string = '1.2.3.0.0.0.6'
version = Version.new(version_string)
expect(version.to_s).to eq version_string
end
end
end
RSpec.describe 'Version::Range' do
describe '#include?' do
it 'works with strings' do
lower_version = '1.2.30'
higher_version = '1.30.6'
middle_version = '1.3'
range = Version::Range.new(lower_version, higher_version)
expect((range.include? middle_version)).to be true
end
it 'works with version instances' do
lower_version = Version.new('1.2.3')
higher_version = Version.new('1.3.6')
middle_version = Version.new('1.3')
range = Version::Range.new(lower_version, higher_version)
expect((range.include? Version.new(middle_version))).to be true
end
it 'considers a range with equal bounds empty' do
range = Version::Range.new('1.2.3', '1.2.3')
expect((range.include? '1.2.3')).to be false
end
it 'detects version is within range' do
range = Version::Range.new('', '9.19.9')
expect((range.include? '0.5')).to be true
end
it 'detects version is out of range' do
range = Version::Range.new('', '1.2.3')
expect((range.include? '9.9.9')).to be false
end
it 'includes the lower bound of a range' do
range = Version::Range.new('0.1', '9.9.9')
expect((range.include? '0.1')).to be true
end
it 'excludes the higher bound of a range' do
range = Version::Range.new('', '9.9.9')
expect((range.include? '9.9.9')).to be false
end
end
describe '#to_a' do
it 'generates all versions within range' do
range = Version::Range.new('1.1.0', '1.2.2')
expect(range.to_a).to eq(
[
'1.1', '1.1.1', '1.1.2',
'1.1.3', '1.1.4', '1.1.5',
'1.1.6', '1.1.7', '1.1.8',
'1.1.9', '1.2', '1.2.1'
]
)
end
it 'generates empty array for a range with equal bounds' do
expect(Version::Range.new('1.1', '1.1').to_a).to eq([])
end
it 'includes the lower bound and excludes the higher bound of a range' do
expect(Version::Range.new('0.1.1', '0.1.2').to_a).to eq(['0.1.1'])
end
it 'correctly increments versions' do
expect(Version::Range.new('0.1.9', '0.2').to_a).to eq(['0.1.9'])
expect(Version::Range.new('0.9.9', '1').to_a).to eq(['0.9.9'])
end
end
end