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Курс във Факултета по Математика и Информатика към СУ

Решение на Четвърта задача от Валентин Гелински

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Към профила на Валентин Гелински

Резултати

  • 1 точка от тестове
  • 0 бонус точки
  • 1 точка общо
  • 8 успешни тест(а)
  • 33 неуспешни тест(а)

Код

class Validations
EMAIL_REGEX = /\w[\w_\+\.]{0,200}@(\w[\w-]{0,61}\w)(\.\g<1>)*[a-zA-Z]{2,3}(\.[a-zA-Z]{2})?/
PHONE_REGEX = /(0)|((00)(\+[1-9]\d{0,2}))([ \(\)-]{0,2}\d){6,11}/
HOSTNAME_REGEX = /(\w[\w-]{0,61}\w)(\.\g<1>)*[a-zA-Z]{2,3}(\.[a-zA-Z]{2})?/
NUMBER_REGEX = /\-?\d+(\.\d)?\d*/
INTEGER_REGEX = /\-?\d+/
DATE_REGEX = /\d{4}\-\d{2}-\d{2}/
TIME_REGEX = /\d{2}:\d{2}:\d{2}/
DATE_TIME_REGEX = /\d{4}\-\d{2}-\d{2}[ T]d{2}:\d{2}:\d{2}/
def Validations.email?(value)
EMAIL_REGEX.match(value) != nil
end
def Validations.hostname?(value)
HOSTNAME_REGEX.match(value) != nil
end
def Validations.phone?(value)
PHONE_REGEX.match(value) != nil
end
def Validations.number?(value)
NUMBER_REGEX.match(value) != nil
end
def Validations.integer?(value)
INTEGER_REGEX.match(value) != nil
end
def Validations.date?(value)
DATE_REGEX.match(value) != nil
end
def Validations.time?(value)
TIME_REGEX.match(value) != nil
end
def Validations.date_time?(value)
DATE_TIME_REGEX.match(value) != nil
end
end

Лог от изпълнението

FFFFFFFFFFFFFFFFF.FFFF.FF.FF.FF...FFF.FFF

Failures:

  1) PrivacyFilter works with blank or whitespace strings and preserves whitespace
     Failure/Error: PrivacyFilter.new(text).filtered
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-1022qvb/spec.rb:21: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) PrivacyFilter obfuscates simple emails
     Failure/Error: PrivacyFilter.new(text).filtered
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-1022qvb/spec.rb:27: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) PrivacyFilter obfuscates more complicated emails
     Failure/Error: PrivacyFilter.new(text).filtered
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-1022qvb/spec.rb:40:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-1022qvb/spec.rb:39:in `each'
     # /tmp/d20130203-23049-1022qvb/spec.rb:39: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) PrivacyFilter does not filter invalid emails
     Failure/Error: PrivacyFilter.new(text).filtered
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-1022qvb/spec.rb:52:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-1022qvb/spec.rb:46:in `each'
     # /tmp/d20130203-23049-1022qvb/spec.rb:46: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) PrivacyFilter allows email hostname to be preserved
     Failure/Error: filter = PrivacyFilter.new(text)
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:9:in `filter_email_usernames'
     # /tmp/d20130203-23049-1022qvb/spec.rb:60: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) PrivacyFilter allows email usernames to be partially preserved
     Failure/Error: filter = PrivacyFilter.new(text)
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:15:in `partially_filter_email_usernames'
     # /tmp/d20130203-23049-1022qvb/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)>'

  7) PrivacyFilter filters whole email usernames if too short
     Failure/Error: filter = PrivacyFilter.new(text)
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:15:in `partially_filter_email_usernames'
     # /tmp/d20130203-23049-1022qvb/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)>'

  8) PrivacyFilter does not brake with unicode
     Failure/Error: filter = PrivacyFilter.new(text)
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:15:in `partially_filter_email_usernames'
     # /tmp/d20130203-23049-1022qvb/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)>'

  9) PrivacyFilter filters more complex phone numbers
     Failure/Error: PrivacyFilter.new(text).filtered
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-1022qvb/spec.rb:85:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-1022qvb/spec.rb:84:in `each'
     # /tmp/d20130203-23049-1022qvb/spec.rb:84: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) PrivacyFilter does not filter invalid phone numbers
     Failure/Error: PrivacyFilter.new(text).filtered
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-1022qvb/spec.rb:96:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-1022qvb/spec.rb:95:in `each'
     # /tmp/d20130203-23049-1022qvb/spec.rb:95: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) PrivacyFilter preserves whitespace around phones
     Failure/Error: PrivacyFilter.new(text).filtered
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-1022qvb/spec.rb:101: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) PrivacyFilter filters more than one phone or email
     Failure/Error: PrivacyFilter.new(text).filtered
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:5:in `filter'
     # /tmp/d20130203-23049-1022qvb/spec.rb:119: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)>'

  13) PrivacyFilter allows country code to be preserved for internationally-formatted phone numbers
     Failure/Error: filter = PrivacyFilter.new(text)
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:130:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-1022qvb/spec.rb:129:in `each'
     # /tmp/d20130203-23049-1022qvb/spec.rb:129: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)>'

  14) PrivacyFilter separates preserved country code from filtered phone with a space
     Failure/Error: filter = PrivacyFilter.new(text)
     NameError:
       uninitialized constant PrivacyFilter
     # /tmp/d20130203-23049-1022qvb/spec.rb:142:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-1022qvb/spec.rb:141:in `each'
     # /tmp/d20130203-23049-1022qvb/spec.rb:141: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)>'

  15) Validations allows validation for emails
     Failure/Error: Validations.email?('foo@bar.com').should be_true
       expected: true value
            got: false
     # /tmp/d20130203-23049-1022qvb/spec.rb:151: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)>'

  16) Validations returns boolean true or false
     Failure/Error: Validations.email?('foo@bar.com').should be(true)
       
       expected #<TrueClass:2> => true
            got #<FalseClass:0> => false
       
       Compared using equal?, which compares object identity,
       but expected and actual are not the same object. Use
       'actual.should eq(expected)' if you don't care about
       object identity in this example.
     # /tmp/d20130203-23049-1022qvb/spec.rb:156: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)>'

  17) Validations can validate more complex emails
     Failure/Error: Validations.email?(email).should be(valid)
       
       expected #<TrueClass:2> => true
            got #<FalseClass:0> => false
       
       Compared using equal?, which compares object identity,
       but expected and actual are not the same object. Use
       'actual.should eq(expected)' if you don't care about
       object identity in this example.
     # /tmp/d20130203-23049-1022qvb/spec.rb:171:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-1022qvb/spec.rb:170:in `each'
     # /tmp/d20130203-23049-1022qvb/spec.rb:170: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)>'

  18) Validations validates phone numbers
     Failure/Error: Validations.phone?('+35929555111').should be_true
       expected: true value
            got: false
     # /tmp/d20130203-23049-1022qvb/spec.rb:180: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)>'

  19) Validations can validate more complex phone numbers
     Failure/Error: Validations.phone?(phone).should be(valid)
       
       expected #<TrueClass:2> => true
            got #<FalseClass:0> => false
       
       Compared using equal?, which compares object identity,
       but expected and actual are not the same object. Use
       'actual.should eq(expected)' if you don't care about
       object identity in this example.
     # /tmp/d20130203-23049-1022qvb/spec.rb:210:in `block (3 levels) in <top (required)>'
     # /tmp/d20130203-23049-1022qvb/spec.rb:209:in `each'
     # /tmp/d20130203-23049-1022qvb/spec.rb:209: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)>'

  20) Validations does not break on phones in multiline strings
     Failure/Error: Validations.phone?("0885123123\nwat?").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:215: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)>'

  21) Validations validates hostnames
     Failure/Error: Validations.hostname?('localhost').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:221: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)>'

  22) Validations validates IP addresses
     Failure/Error: Validations.ip_address?('1.2.3.4').should be_true
     NoMethodError:
       undefined method `ip_address?' for Validations:Class
     # /tmp/d20130203-23049-1022qvb/spec.rb:238: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)>'

  23) Validations handles multiline strings in IP validation properly
     Failure/Error: Validations.ip_address?("8.8.8.8\n").should be_false
     NoMethodError:
       undefined method `ip_address?' for Validations:Class
     # /tmp/d20130203-23049-1022qvb/spec.rb:245: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)>'

  24) Validations validates more complex numbers
     Failure/Error: Validations.number?(' 42 ').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:258: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)>'

  25) Validations handles multiline strings in numbers validation properly
     Failure/Error: Validations.number?("42\n24").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:274: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)>'

  26) Validations validates more complex integers
     Failure/Error: Validations.integer?(' 42 ').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:284: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)>'

  27) Validations handles multiline strings in integer validation properly
     Failure/Error: Validations.number?("42\n24").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:295: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)>'

  28) Validations does not allow zero months or days in dates
     Failure/Error: Validations.date?('1000-00-01').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:315: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)>'

  29) Validations does not allow invalid months or days in dates
     Failure/Error: Validations.date?('2012-13-01').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:321: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)>'

  30) Validations handles newlines in date validation
     Failure/Error: Validations.date?("2012-11-19\n").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:327: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)>'

  31) Validations does not allow invalid hours, minutes or seconds
     Failure/Error: Validations.time?('24:00:00').should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:340: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)>'

  32) Validations validates datetime values
     Failure/Error: Validations.date_time?('2012-11-19 19:00:00').should be_true
       expected: true value
            got: false
     # /tmp/d20130203-23049-1022qvb/spec.rb:348: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)>'

  33) Validations handles newlines in time and datetime validation
     Failure/Error: Validations.time?("12:01:01\n").should be_false
       expected: false value
            got: true
     # /tmp/d20130203-23049-1022qvb/spec.rb:360: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 0.06221 seconds
41 examples, 33 failures

Failed examples:

rspec /tmp/d20130203-23049-1022qvb/spec.rb:20 # PrivacyFilter works with blank or whitespace strings and preserves whitespace
rspec /tmp/d20130203-23049-1022qvb/spec.rb:26 # PrivacyFilter obfuscates simple emails
rspec /tmp/d20130203-23049-1022qvb/spec.rb:30 # PrivacyFilter obfuscates more complicated emails
rspec /tmp/d20130203-23049-1022qvb/spec.rb:44 # PrivacyFilter does not filter invalid emails
rspec /tmp/d20130203-23049-1022qvb/spec.rb:59 # PrivacyFilter allows email hostname to be preserved
rspec /tmp/d20130203-23049-1022qvb/spec.rb:64 # PrivacyFilter allows email usernames to be partially preserved
rspec /tmp/d20130203-23049-1022qvb/spec.rb:68 # PrivacyFilter filters whole email usernames if too short
rspec /tmp/d20130203-23049-1022qvb/spec.rb:72 # PrivacyFilter does not brake with unicode
rspec /tmp/d20130203-23049-1022qvb/spec.rb:76 # PrivacyFilter filters more complex phone numbers
rspec /tmp/d20130203-23049-1022qvb/spec.rb:89 # PrivacyFilter does not filter invalid phone numbers
rspec /tmp/d20130203-23049-1022qvb/spec.rb:100 # PrivacyFilter preserves whitespace around phones
rspec /tmp/d20130203-23049-1022qvb/spec.rb:104 # PrivacyFilter filters more than one phone or email
rspec /tmp/d20130203-23049-1022qvb/spec.rb:122 # PrivacyFilter allows country code to be preserved for internationally-formatted phone numbers
rspec /tmp/d20130203-23049-1022qvb/spec.rb:136 # PrivacyFilter separates preserved country code from filtered phone with a space
rspec /tmp/d20130203-23049-1022qvb/spec.rb:150 # Validations allows validation for emails
rspec /tmp/d20130203-23049-1022qvb/spec.rb:155 # Validations returns boolean true or false
rspec /tmp/d20130203-23049-1022qvb/spec.rb:160 # Validations can validate more complex emails
rspec /tmp/d20130203-23049-1022qvb/spec.rb:179 # Validations validates phone numbers
rspec /tmp/d20130203-23049-1022qvb/spec.rb:184 # Validations can validate more complex phone numbers
rspec /tmp/d20130203-23049-1022qvb/spec.rb:214 # Validations does not break on phones in multiline strings
rspec /tmp/d20130203-23049-1022qvb/spec.rb:218 # Validations validates hostnames
rspec /tmp/d20130203-23049-1022qvb/spec.rb:237 # Validations validates IP addresses
rspec /tmp/d20130203-23049-1022qvb/spec.rb:244 # Validations handles multiline strings in IP validation properly
rspec /tmp/d20130203-23049-1022qvb/spec.rb:257 # Validations validates more complex numbers
rspec /tmp/d20130203-23049-1022qvb/spec.rb:273 # Validations handles multiline strings in numbers validation properly
rspec /tmp/d20130203-23049-1022qvb/spec.rb:283 # Validations validates more complex integers
rspec /tmp/d20130203-23049-1022qvb/spec.rb:294 # Validations handles multiline strings in integer validation properly
rspec /tmp/d20130203-23049-1022qvb/spec.rb:314 # Validations does not allow zero months or days in dates
rspec /tmp/d20130203-23049-1022qvb/spec.rb:320 # Validations does not allow invalid months or days in dates
rspec /tmp/d20130203-23049-1022qvb/spec.rb:326 # Validations handles newlines in date validation
rspec /tmp/d20130203-23049-1022qvb/spec.rb:339 # Validations does not allow invalid hours, minutes or seconds
rspec /tmp/d20130203-23049-1022qvb/spec.rb:347 # Validations validates datetime values
rspec /tmp/d20130203-23049-1022qvb/spec.rb:359 # Validations handles newlines in time and datetime validation

История (1 версия и 0 коментара)

Валентин обнови решението на 28.11.2012 01:34 (преди почти 12 години)

+class Validations
+
+EMAIL_REGEX = /\w[\w_\+\.]{0,200}@(\w[\w-]{0,61}\w)(\.\g<1>)*[a-zA-Z]{2,3}(\.[a-zA-Z]{2})?/
+PHONE_REGEX = /(0)|((00)(\+[1-9]\d{0,2}))([ \(\)-]{0,2}\d){6,11}/
+HOSTNAME_REGEX = /(\w[\w-]{0,61}\w)(\.\g<1>)*[a-zA-Z]{2,3}(\.[a-zA-Z]{2})?/
+NUMBER_REGEX = /\-?\d+(\.\d)?\d*/
+INTEGER_REGEX = /\-?\d+/
+DATE_REGEX = /\d{4}\-\d{2}-\d{2}/
+TIME_REGEX = /\d{2}:\d{2}:\d{2}/
+DATE_TIME_REGEX = /\d{4}\-\d{2}-\d{2}[ T]d{2}:\d{2}:\d{2}/
+
+ def Validations.email?(value)
+ EMAIL_REGEX.match(value) != nil
+ end
+
+ def Validations.hostname?(value)
+ HOSTNAME_REGEX.match(value) != nil
+ end
+
+ def Validations.phone?(value)
+ PHONE_REGEX.match(value) != nil
+ end
+
+ def Validations.number?(value)
+ NUMBER_REGEX.match(value) != nil
+ end
+
+ def Validations.integer?(value)
+ INTEGER_REGEX.match(value) != nil
+ end
+
+ def Validations.date?(value)
+ DATE_REGEX.match(value) != nil
+ end
+
+ def Validations.time?(value)
+ TIME_REGEX.match(value) != nil
+ end
+
+ def Validations.date_time?(value)
+ DATE_TIME_REGEX.match(value) != nil
+ end
+
+end