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SimpleLayout has missing safe method 'create_multiapp_builtin_pages!'
Open

  def create_multiapp_builtin_pages!
Severity: Minor
Found in app/lib/simple_layout.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

Stats::Aggregation::Rule#volatile? performs a nil-check
Open

        !expires_in.nil?
Severity: Minor
Found in app/lib/stats/aggregation/rule.rb by reek

A NilCheck is a type check. Failures of NilCheck violate the "tell, don't ask" principle.

Additionally, type checks often mask bigger problems in your source code like not using OOP and / or polymorphism when you should.

Example

Given

class Klass
  def nil_checker(argument)
    if argument.nil?
      puts "argument isn't nil!"
    end
  end
end

Reek would emit the following warning:

test.rb -- 1 warning:
  [3]:Klass#nil_checker performs a nil-check. (NilCheck)

ProxyConfigAffectingChanges::ModelExtension takes parameters ['attr_name', 'value'] to 3 methods
Open

      def write_attribute(attr_name, value)
        track_proxy_affecting_changes if proxy_config_affecting_attributes.include?(attr_name.to_s)
        super
      end
Severity: Minor
Found in app/lib/proxy_config_affecting_changes.rb by reek

In general, a Data Clump occurs when the same two or three items frequently appear together in classes and parameter lists, or when a group of instance variable names start or end with similar substrings.

The recurrence of the items often means there is duplicate code spread around to handle them. There may be an abstraction missing from the code, making the system harder to understand.

Example

Given

class Dummy
  def x(y1,y2); end
  def y(y1,y2); end
  def z(y1,y2); end
end

Reek would emit the following warning:

test.rb -- 1 warning:
  [2, 3, 4]:Dummy takes parameters [y1, y2] to 3 methods (DataClump)

A possible way to fix this problem (quoting from Martin Fowler):

The first step is to replace data clumps with objects and use the objects whenever you see them. An immediate benefit is that you'll shrink some parameter lists. The interesting stuff happens as you begin to look for behavior to move into the new objects.

DeprecationWarning#message is a writable attribute
Open

  attr_accessor :message, :gem_name, :deprecation_horizon
Severity: Minor
Found in app/lib/system/error_reporting.rb by reek

A class that publishes a setter for an instance variable invites client classes to become too intimate with its inner workings, and in particular with its representation of state.

The same holds to a lesser extent for getters, but Reek doesn't flag those.

Example

Given:

class Klass
  attr_accessor :dummy
end

Reek would emit the following warning:

reek test.rb

test.rb -- 1 warning:
  [2]:Klass declares the writable attribute dummy (Attribute)

Switches::Switch has missing safe method 'hide!'
Open

    def hide!
Severity: Minor
Found in app/lib/switches.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

Switches::ClassMethods#hide_basic_switches? doesn't depend on instance state (maybe move it to another class?)
Open

    def hide_basic_switches?
Severity: Minor
Found in app/lib/switches.rb by reek

A Utility Function is any instance method that has no dependency on the state of the instance.

Pdf::Report has missing safe method 'send_notification!'
Open

    def send_notification!
Severity: Minor
Found in app/lib/pdf/report.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

SimpleLayout has missing safe method 'import_js_and_css!'
Open

  def import_js_and_css!
Severity: Minor
Found in app/lib/simple_layout.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

Pdf::Report#account is a writable attribute
Open

    attr_accessor :account, :period, :pdf, :service, :report
Severity: Minor
Found in app/lib/pdf/report.rb by reek

A class that publishes a setter for an instance variable invites client classes to become too intimate with its inner workings, and in particular with its representation of state.

The same holds to a lesser extent for getters, but Reek doesn't flag those.

Example

Given:

class Klass
  attr_accessor :dummy
end

Reek would emit the following warning:

reek test.rb

test.rb -- 1 warning:
  [2]:Klass declares the writable attribute dummy (Attribute)

SimpleLayout has missing safe method 'create_multiservice_builtin_pages!'
Open

  def create_multiservice_builtin_pages!
Severity: Minor
Found in app/lib/simple_layout.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

SimpleLayout has missing safe method 'import_static_pages!'
Open

  def import_static_pages!
Severity: Minor
Found in app/lib/simple_layout.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

ThreeScale::Money#exchange_service is a writable attribute
Open

      attr_accessor :exchange_service
Severity: Minor
Found in app/lib/three_scale/money.rb by reek

A class that publishes a setter for an instance variable invites client classes to become too intimate with its inner workings, and in particular with its representation of state.

The same holds to a lesser extent for getters, but Reek doesn't flag those.

Example

Given:

class Klass
  attr_accessor :dummy
end

Reek would emit the following warning:

reek test.rb

test.rb -- 1 warning:
  [2]:Klass declares the writable attribute dummy (Attribute)

SimpleLayout has missing safe method 'create_service_plans_builtin_pages!'
Open

  def create_service_plans_builtin_pages!
Severity: Minor
Found in app/lib/simple_layout.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

Switches::Switch has missing safe method 'show!'
Open

    def show!
Severity: Minor
Found in app/lib/switches.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

Switches::SwitchDenied has missing safe method 'hide!'
Open

    def hide!
Severity: Minor
Found in app/lib/switches.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

DeprecationWarning#gem_name is a writable attribute
Open

  attr_accessor :message, :gem_name, :deprecation_horizon
Severity: Minor
Found in app/lib/system/error_reporting.rb by reek

A class that publishes a setter for an instance variable invites client classes to become too intimate with its inner workings, and in particular with its representation of state.

The same holds to a lesser extent for getters, but Reek doesn't flag those.

Example

Given:

class Klass
  attr_accessor :dummy
end

Reek would emit the following warning:

reek test.rb

test.rb -- 1 warning:
  [2]:Klass declares the writable attribute dummy (Attribute)

ThreeScale::Analytics::SidekiqMiddleware#call doesn't depend on instance state (maybe move it to another class?)
Open

      def call(*)
Severity: Minor
Found in app/lib/three_scale/analytics/sidekiq_middleware.rb by reek

A Utility Function is any instance method that has no dependency on the state of the instance.

Finance::Builder::XmlMarkup has missing safe method 'invoice!'
Open

  def invoice!(invoice)
Severity: Minor
Found in app/lib/finance/builder/xml_markup.rb by reek

A candidate method for the Missing Safe Method smell are methods whose names end with an exclamation mark.

An exclamation mark in method names means (the explanation below is taken from here ):

The ! in method names that end with ! means, “This method is dangerous”—or, more precisely, this method is the “dangerous” version of an otherwise equivalent method, with the same name minus the !. “Danger” is relative; the ! doesn’t mean anything at all unless the method name it’s in corresponds to a similar but bang-less method name. So, for example, gsub! is the dangerous version of gsub. exit! is the dangerous version of exit. flatten! is the dangerous version of flatten. And so forth.

Such a method is called Missing Safe Method if and only if her non-bang version does not exist and this method is reported as a smell.

Example

Given

class C
  def foo; end
  def foo!; end
  def bar!; end
end

Reek would report bar! as Missing Safe Method smell but not foo!.

Reek reports this smell only in a class context, not in a module context in order to allow perfectly legit code like this:

class Parent
  def foo; end
end

module Dangerous
  def foo!; end
end

class Son < Parent
  include Dangerous
end

class Daughter < Parent
end

In this example, Reek would not report the Missing Safe Method smell for the method foo of the Dangerous module.

Pdf::Data#top_users performs a nil-check
Open

        next if entry[:id].nil? # there are some data inconsistencies in our dbs
Severity: Minor
Found in app/lib/pdf/data.rb by reek

A NilCheck is a type check. Failures of NilCheck violate the "tell, don't ask" principle.

Additionally, type checks often mask bigger problems in your source code like not using OOP and / or polymorphism when you should.

Example

Given

class Klass
  def nil_checker(argument)
    if argument.nil?
      puts "argument isn't nil!"
    end
  end
end

Reek would emit the following warning:

test.rb -- 1 warning:
  [3]:Klass#nil_checker performs a nil-check. (NilCheck)

Pdf::Report#period is a writable attribute
Open

    attr_accessor :account, :period, :pdf, :service, :report
Severity: Minor
Found in app/lib/pdf/report.rb by reek

A class that publishes a setter for an instance variable invites client classes to become too intimate with its inner workings, and in particular with its representation of state.

The same holds to a lesser extent for getters, but Reek doesn't flag those.

Example

Given:

class Klass
  attr_accessor :dummy
end

Reek would emit the following warning:

reek test.rb

test.rb -- 1 warning:
  [2]:Klass declares the writable attribute dummy (Attribute)
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