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VAGAScom/basquiat

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lib/basquiat/support/configuration.rb

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Basquiat has no descriptive comment
Open

module Basquiat
Severity: Minor
Found in lib/basquiat/support/configuration.rb by reek

Classes and modules are the units of reuse and release. It is therefore considered good practice to annotate every class and module with a brief comment outlining its responsibilities.

Example

Given

class Dummy
  # Do things...
end

Reek would emit the following warning:

test.rb -- 1 warning:
  [1]:Dummy has no descriptive comment (IrresponsibleModule)

Fixing this is simple - just an explaining comment:

# The Dummy class is responsible for ...
class Dummy
  # Do things...
end

Basquiat::Configuration has no descriptive comment
Open

  class Configuration
Severity: Minor
Found in lib/basquiat/support/configuration.rb by reek

Classes and modules are the units of reuse and release. It is therefore considered good practice to annotate every class and module with a brief comment outlining its responsibilities.

Example

Given

class Dummy
  # Do things...
end

Reek would emit the following warning:

test.rb -- 1 warning:
  [1]:Dummy has no descriptive comment (IrresponsibleModule)

Fixing this is simple - just an explaining comment:

# The Dummy class is responsible for ...
class Dummy
  # Do things...
end

Basquiat::Configuration assumes too much for instance variable '@logger'
Open

  class Configuration
Severity: Minor
Found in lib/basquiat/support/configuration.rb by reek

Classes should not assume that instance variables are set or present outside of the current class definition.

Good:

class Foo
  def initialize
    @bar = :foo
  end

  def foo?
    @bar == :foo
  end
end

Good as well:

class Foo
  def foo?
    bar == :foo
  end

  def bar
    @bar ||= :foo
  end
end

Bad:

class Foo
  def go_foo!
    @bar = :foo
  end

  def foo?
    @bar == :foo
  end
end

Example

Running Reek on:

class Dummy
  def test
    @ivar
  end
end

would report:

[1]:InstanceVariableAssumption: Dummy assumes too much for instance variable @ivar

Note that this example would trigger this smell warning as well:

class Parent
  def initialize(omg)
    @omg = omg
  end
end

class Child < Parent
  def foo
    @omg
  end
end

The way to address the smell warning is that you should create an attr_reader to use @omg in the subclass and not access @omg directly like this:

class Parent
  attr_reader :omg

  def initialize(omg)
    @omg = omg
  end
end

class Child < Parent
  def foo
    omg
  end
end

Directly accessing instance variables is considered a smell because it breaks encapsulation and makes it harder to reason about code.

If you don't want to expose those methods as public API just make them private like this:

class Parent
  def initialize(omg)
    @omg = omg
  end

  private
  attr_reader :omg
end

class Child < Parent
  def foo
    omg
  end
end

Current Support in Reek

An instance variable must:

  • be set in the constructor
  • or be accessed through a method with lazy initialization / memoization.

If not, Instance Variable Assumption will be reported.

Basquiat::Configuration assumes too much for instance variable '@queue_name'
Open

  class Configuration
Severity: Minor
Found in lib/basquiat/support/configuration.rb by reek

Classes should not assume that instance variables are set or present outside of the current class definition.

Good:

class Foo
  def initialize
    @bar = :foo
  end

  def foo?
    @bar == :foo
  end
end

Good as well:

class Foo
  def foo?
    bar == :foo
  end

  def bar
    @bar ||= :foo
  end
end

Bad:

class Foo
  def go_foo!
    @bar = :foo
  end

  def foo?
    @bar == :foo
  end
end

Example

Running Reek on:

class Dummy
  def test
    @ivar
  end
end

would report:

[1]:InstanceVariableAssumption: Dummy assumes too much for instance variable @ivar

Note that this example would trigger this smell warning as well:

class Parent
  def initialize(omg)
    @omg = omg
  end
end

class Child < Parent
  def foo
    @omg
  end
end

The way to address the smell warning is that you should create an attr_reader to use @omg in the subclass and not access @omg directly like this:

class Parent
  attr_reader :omg

  def initialize(omg)
    @omg = omg
  end
end

class Child < Parent
  def foo
    omg
  end
end

Directly accessing instance variables is considered a smell because it breaks encapsulation and makes it harder to reason about code.

If you don't want to expose those methods as public API just make them private like this:

class Parent
  def initialize(omg)
    @omg = omg
  end

  private
  attr_reader :omg
end

class Child < Parent
  def foo
    omg
  end
end

Current Support in Reek

An instance variable must:

  • be set in the constructor
  • or be accessed through a method with lazy initialization / memoization.

If not, Instance Variable Assumption will be reported.

Basquiat::Configuration assumes too much for instance variable '@exchange_name'
Open

  class Configuration
Severity: Minor
Found in lib/basquiat/support/configuration.rb by reek

Classes should not assume that instance variables are set or present outside of the current class definition.

Good:

class Foo
  def initialize
    @bar = :foo
  end

  def foo?
    @bar == :foo
  end
end

Good as well:

class Foo
  def foo?
    bar == :foo
  end

  def bar
    @bar ||= :foo
  end
end

Bad:

class Foo
  def go_foo!
    @bar = :foo
  end

  def foo?
    @bar == :foo
  end
end

Example

Running Reek on:

class Dummy
  def test
    @ivar
  end
end

would report:

[1]:InstanceVariableAssumption: Dummy assumes too much for instance variable @ivar

Note that this example would trigger this smell warning as well:

class Parent
  def initialize(omg)
    @omg = omg
  end
end

class Child < Parent
  def foo
    @omg
  end
end

The way to address the smell warning is that you should create an attr_reader to use @omg in the subclass and not access @omg directly like this:

class Parent
  attr_reader :omg

  def initialize(omg)
    @omg = omg
  end
end

class Child < Parent
  def foo
    omg
  end
end

Directly accessing instance variables is considered a smell because it breaks encapsulation and makes it harder to reason about code.

If you don't want to expose those methods as public API just make them private like this:

class Parent
  def initialize(omg)
    @omg = omg
  end

  private
  attr_reader :omg
end

class Child < Parent
  def foo
    omg
  end
end

Current Support in Reek

An instance variable must:

  • be set in the constructor
  • or be accessed through a method with lazy initialization / memoization.

If not, Instance Variable Assumption will be reported.

Basquiat::Configuration assumes too much for instance variable '@environment'
Open

  class Configuration
Severity: Minor
Found in lib/basquiat/support/configuration.rb by reek

Classes should not assume that instance variables are set or present outside of the current class definition.

Good:

class Foo
  def initialize
    @bar = :foo
  end

  def foo?
    @bar == :foo
  end
end

Good as well:

class Foo
  def foo?
    bar == :foo
  end

  def bar
    @bar ||= :foo
  end
end

Bad:

class Foo
  def go_foo!
    @bar = :foo
  end

  def foo?
    @bar == :foo
  end
end

Example

Running Reek on:

class Dummy
  def test
    @ivar
  end
end

would report:

[1]:InstanceVariableAssumption: Dummy assumes too much for instance variable @ivar

Note that this example would trigger this smell warning as well:

class Parent
  def initialize(omg)
    @omg = omg
  end
end

class Child < Parent
  def foo
    @omg
  end
end

The way to address the smell warning is that you should create an attr_reader to use @omg in the subclass and not access @omg directly like this:

class Parent
  attr_reader :omg

  def initialize(omg)
    @omg = omg
  end
end

class Child < Parent
  def foo
    omg
  end
end

Directly accessing instance variables is considered a smell because it breaks encapsulation and makes it harder to reason about code.

If you don't want to expose those methods as public API just make them private like this:

class Parent
  def initialize(omg)
    @omg = omg
  end

  private
  attr_reader :omg
end

class Child < Parent
  def foo
    omg
  end
end

Current Support in Reek

An instance variable must:

  • be set in the constructor
  • or be accessed through a method with lazy initialization / memoization.

If not, Instance Variable Assumption will be reported.

Basquiat::Configuration#exchange_name is a writable attribute
Open

    attr_writer :queue_name, :exchange_name, :logger, :environment
Severity: Minor
Found in lib/basquiat/support/configuration.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)

Basquiat::Configuration#connection is a writable attribute
Open

    attr_accessor :connection, :rescue_proc
Severity: Minor
Found in lib/basquiat/support/configuration.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)

Basquiat::Configuration#logger is a writable attribute
Open

    attr_writer :queue_name, :exchange_name, :logger, :environment
Severity: Minor
Found in lib/basquiat/support/configuration.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)

Basquiat::Configuration#reload_classes doesn't depend on instance state (maybe move it to another class?)
Open

    def reload_classes
Severity: Minor
Found in lib/basquiat/support/configuration.rb by reek

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

Basquiat::Configuration#environment is a writable attribute
Open

    attr_writer :queue_name, :exchange_name, :logger, :environment
Severity: Minor
Found in lib/basquiat/support/configuration.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)

Basquiat::Configuration#queue_name is a writable attribute
Open

    attr_writer :queue_name, :exchange_name, :logger, :environment
Severity: Minor
Found in lib/basquiat/support/configuration.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)

Basquiat::Configuration#rescue_proc is a writable attribute
Open

    attr_accessor :connection, :rescue_proc
Severity: Minor
Found in lib/basquiat/support/configuration.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)

Line is too long. [128/119]
Open

      @yaml = YAML.safe_load(ERB.new(IO.readlines(path).join).result, aliases: true, permitted_classes: [Symbol]).symbolize_keys
Severity: Minor
Found in lib/basquiat/support/configuration.rb by rubocop

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