Showing 22 of 22 total issues
Block has too many lines. [56/25] Open
included do
after_commit :reindex_associations
private
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This cop checks if the length of a block exceeds some maximum value. Comment lines can optionally be ignored. The maximum allowed length is configurable. The cop can be configured to ignore blocks passed to certain methods.
Method reindex_associations_describe_old_polymorphic_association
has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring. Open
def reindex_associations_describe_old_polymorphic_association(key, type)
if (previous_changes[key] && previous_changes[key].first) || (previous_changes[type] && previous_changes[type].first)
old_klass = previous_changes[type].first rescue NameError
send(type).constantize if old_klass == NameError # old_klass
end
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Cognitive Complexity
Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.
A method's cognitive complexity is based on a few simple rules:
- Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
- Code is considered more complex for each "break in the linear flow of the code"
- Code is considered more complex when "flow breaking structures are nested"
Further reading
Assignment Branch Condition size for reindex_associations_describe_old_polymorphic_association is too high. [17.49/15] Open
def reindex_associations_describe_old_polymorphic_association(key, type)
if (previous_changes[key] && previous_changes[key].first) || (previous_changes[type] && previous_changes[type].first)
old_klass = previous_changes[type].first rescue NameError
send(type).constantize if old_klass == NameError # old_klass
end
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This cop checks that the ABC size of methods is not higher than the configured maximum. The ABC size is based on assignments, branches (method calls), and conditions. See http://c2.com/cgi/wiki?AbcMetric
Cyclomatic complexity for reindex_associations_describe_old_polymorphic_association is too high. [8/6] Open
def reindex_associations_describe_old_polymorphic_association(key, type)
if (previous_changes[key] && previous_changes[key].first) || (previous_changes[type] && previous_changes[type].first)
old_klass = previous_changes[type].first rescue NameError
send(type).constantize if old_klass == NameError # old_klass
end
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This cop checks that the cyclomatic complexity of methods is not higher than the configured maximum. The cyclomatic complexity is the number of linearly independent paths through a method. The algorithm counts decision points and adds one.
An if statement (or unless or ?:) increases the complexity by one. An else branch does not, since it doesn't add a decision point. The && operator (or keyword and) can be converted to a nested if statement, and ||/or is shorthand for a sequence of ifs, so they also add one. Loops can be said to have an exit condition, so they add one.
Perceived complexity for reindex_associations_describe_old_polymorphic_association is too high. [8/7] Open
def reindex_associations_describe_old_polymorphic_association(key, type)
if (previous_changes[key] && previous_changes[key].first) || (previous_changes[type] && previous_changes[type].first)
old_klass = previous_changes[type].first rescue NameError
send(type).constantize if old_klass == NameError # old_klass
end
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This cop tries to produce a complexity score that's a measure of the
complexity the reader experiences when looking at a method. For that
reason it considers when
nodes as something that doesn't add as much
complexity as an if
or a &&
. Except if it's one of those special
case
/when
constructs where there's no expression after case
. Then
the cop treats it as an if
/elsif
/elsif
... and lets all the when
nodes count. In contrast to the CyclomaticComplexity cop, this cop
considers else
nodes as adding complexity.
Example:
def my_method # 1
if cond # 1
case var # 2 (0.8 + 4 * 0.2, rounded)
when 1 then func_one
when 2 then func_two
when 3 then func_three
when 4..10 then func_other
end
else # 1
do_something until a && b # 2
end # ===
end # 7 complexity points
Block has too many lines. [37/25] Open
Gem::Specification.new do |spec|
spec.name = 'has_reindexable_associations'
spec.version = HasReindexableAssociations::VERSION
spec.authors = ['Marcin Kalita']
spec.email = ['mkalita@efigence.com']
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This cop checks if the length of a block exceeds some maximum value. Comment lines can optionally be ignored. The maximum allowed length is configurable. The cop can be configured to ignore blocks passed to certain methods.
Dependencies should be sorted in an alphabetical order within their section of the gemspec. Dependency bundler
should appear before sqlite3
. Open
spec.add_development_dependency 'bundler', '~> 1.11'
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Dependencies in the gemspec should be alphabetically sorted.
Example:
# bad
spec.add_dependency 'rubocop'
spec.add_dependency 'rspec'
# good
spec.add_dependency 'rspec'
spec.add_dependency 'rubocop'
# good
spec.add_dependency 'rubocop'
spec.add_dependency 'rspec'
# bad
spec.add_development_dependency 'rubocop'
spec.add_development_dependency 'rspec'
# good
spec.add_development_dependency 'rspec'
spec.add_development_dependency 'rubocop'
# good
spec.add_development_dependency 'rubocop'
spec.add_development_dependency 'rspec'
# bad
spec.add_runtime_dependency 'rubocop'
spec.add_runtime_dependency 'rspec'
# good
spec.add_runtime_dependency 'rspec'
spec.add_runtime_dependency 'rubocop'
# good
spec.add_runtime_dependency 'rubocop'
spec.add_runtime_dependency 'rspec'
# good only if TreatCommentsAsGroupSeparators is true
# For code quality
spec.add_dependency 'rubocop'
# For tests
spec.add_dependency 'rspec'
Dependencies should be sorted in an alphabetical order within their section of the gemspec. Dependency minitest
should appear before rake
. Open
spec.add_development_dependency 'minitest', '~> 5.0'
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Dependencies in the gemspec should be alphabetically sorted.
Example:
# bad
spec.add_dependency 'rubocop'
spec.add_dependency 'rspec'
# good
spec.add_dependency 'rspec'
spec.add_dependency 'rubocop'
# good
spec.add_dependency 'rubocop'
spec.add_dependency 'rspec'
# bad
spec.add_development_dependency 'rubocop'
spec.add_development_dependency 'rspec'
# good
spec.add_development_dependency 'rspec'
spec.add_development_dependency 'rubocop'
# good
spec.add_development_dependency 'rubocop'
spec.add_development_dependency 'rspec'
# bad
spec.add_runtime_dependency 'rubocop'
spec.add_runtime_dependency 'rspec'
# good
spec.add_runtime_dependency 'rspec'
spec.add_runtime_dependency 'rubocop'
# good
spec.add_runtime_dependency 'rubocop'
spec.add_runtime_dependency 'rspec'
# good only if TreatCommentsAsGroupSeparators is true
# For code quality
spec.add_dependency 'rubocop'
# For tests
spec.add_dependency 'rspec'
Line is too long. [123/120] Open
if (previous_changes[key] && previous_changes[key].first) || (previous_changes[type] && previous_changes[type].first)
- Exclude checks
Dependencies should be sorted in an alphabetical order within their section of the gemspec. Dependency codeclimate-test-reporter
should appear before simplecov
. Open
spec.add_development_dependency 'codeclimate-test-reporter', '~> 0.5.0'
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- Exclude checks
Dependencies in the gemspec should be alphabetically sorted.
Example:
# bad
spec.add_dependency 'rubocop'
spec.add_dependency 'rspec'
# good
spec.add_dependency 'rspec'
spec.add_dependency 'rubocop'
# good
spec.add_dependency 'rubocop'
spec.add_dependency 'rspec'
# bad
spec.add_development_dependency 'rubocop'
spec.add_development_dependency 'rspec'
# good
spec.add_development_dependency 'rspec'
spec.add_development_dependency 'rubocop'
# good
spec.add_development_dependency 'rubocop'
spec.add_development_dependency 'rspec'
# bad
spec.add_runtime_dependency 'rubocop'
spec.add_runtime_dependency 'rspec'
# good
spec.add_runtime_dependency 'rspec'
spec.add_runtime_dependency 'rubocop'
# good
spec.add_runtime_dependency 'rubocop'
spec.add_runtime_dependency 'rspec'
# good only if TreatCommentsAsGroupSeparators is true
# For code quality
spec.add_dependency 'rubocop'
# For tests
spec.add_dependency 'rspec'
Use a guard clause instead of wrapping the code inside a conditional expression. Open
if spec.respond_to?(:metadata)
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Use a guard clause instead of wrapping the code inside a conditional expression
Example:
# bad
def test
if something
work
end
end
# good
def test
return unless something
work
end
# also good
def test
work if something
end
# bad
if something
raise 'exception'
else
ok
end
# good
raise 'exception' if something
ok
Rename has_reindexable_associations
to reindexable_associations?
. Open
def has_reindexable_associations(*args)
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This cop makes sure that predicates are named properly.
Example:
# bad
def is_even?(value)
end
# good
def even?(value)
end
# bad
def has_value?
end
# good
def value?
end
Unnecessary utf-8 encoding comment. Open
# coding: utf-8
- Exclude checks
Avoid using rescue
in its modifier form. Open
old_klass = previous_changes[type].first rescue NameError
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- Exclude checks
This cop checks for uses of rescue in its modifier form.
Example:
# bad
some_method rescue handle_error
# good
begin
some_method
rescue
handle_error
end
Dependencies should be sorted in an alphabetical order within their section of the gemspec. Dependency coveralls
should appear before minitest
. Open
spec.add_development_dependency 'coveralls', '~> 0.8.13'
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- Exclude checks
Dependencies in the gemspec should be alphabetically sorted.
Example:
# bad
spec.add_dependency 'rubocop'
spec.add_dependency 'rspec'
# good
spec.add_dependency 'rspec'
spec.add_dependency 'rubocop'
# good
spec.add_dependency 'rubocop'
spec.add_dependency 'rspec'
# bad
spec.add_development_dependency 'rubocop'
spec.add_development_dependency 'rspec'
# good
spec.add_development_dependency 'rspec'
spec.add_development_dependency 'rubocop'
# good
spec.add_development_dependency 'rubocop'
spec.add_development_dependency 'rspec'
# bad
spec.add_runtime_dependency 'rubocop'
spec.add_runtime_dependency 'rspec'
# good
spec.add_runtime_dependency 'rspec'
spec.add_runtime_dependency 'rubocop'
# good
spec.add_runtime_dependency 'rubocop'
spec.add_runtime_dependency 'rspec'
# good only if TreatCommentsAsGroupSeparators is true
# For code quality
spec.add_dependency 'rubocop'
# For tests
spec.add_dependency 'rspec'
Line is too long. [123/120] Open
spec.description = 'Keep specified associations in sync with ease using async reindexing (searchkick gem is required).'
- Exclude checks
Provide an exception class and message as arguments to raise
. Open
raise NoMethodError.new("foreign key '#{reindexable_association}' is not defined, verify has_reindexable_associations options")
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- Exclude checks
This cop checks the args passed to fail
and raise
. For exploded
style (default), it recommends passing the exception class and message
to raise
, rather than construct an instance of the error. It will
still allow passing just a message, or the construction of an error
with more than one argument.
The exploded style works identically, but with the addition that it will also suggest constructing error objects when the exception is passed multiple arguments.
Example: EnforcedStyle: exploded (default)
# bad
raise StandardError.new("message")
# good
raise StandardError, "message"
fail "message"
raise MyCustomError.new(arg1, arg2, arg3)
raise MyKwArgError.new(key1: val1, key2: val2)
Example: EnforcedStyle: compact
# bad
raise StandardError, "message"
raise RuntimeError, arg1, arg2, arg3
# good
raise StandardError.new("message")
raise MyCustomError.new(arg1, arg2, arg3)
fail "message"
Freeze mutable objects assigned to constants. Open
VERSION = '0.1.4'
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- Exclude checks
This cop checks whether some constant value isn't a mutable literal (e.g. array or hash).
Example:
# bad
CONST = [1, 2, 3]
# good
CONST = [1, 2, 3].freeze
Do not suppress exceptions. Open
rescue NameError
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- Exclude checks
This cop checks for rescue blocks with no body.
Example:
# bad
def some_method
do_something
rescue
# do nothing
end
Example:
# bad
begin
do_something
rescue
# do nothing
end
Example:
# good
def some_method
do_something
rescue
handle_exception
end
Example:
# good
begin
do_something
rescue
handle_exception
end
Add an empty line after magic comments. Open
lib = File.expand_path('../lib', __FILE__)
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- Exclude checks
Checks for a newline after the final magic comment.
Example:
# good
# frozen_string_literal: true
# Some documentation for Person
class Person
# Some code
end
# bad
# frozen_string_literal: true
# Some documentation for Person
class Person
# Some code
end