Showing 475 of 475 total issues
MaskCalculationMethods#self.calculate_mask_candidates calls 'charset_counts[composite_char]' 2 times Open
elsif charset_counts[composite_char]
variable_candidates *= BigDecimal(charset_counts[composite_char].to_s)
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Duplication occurs when two fragments of code look nearly identical, or when two fragments of code have nearly identical effects at some conceptual level.
Reek implements a check for Duplicate Method Call.
Example
Here's a very much simplified and contrived example. The following method will report a warning:
def double_thing()
@other.thing + @other.thing
end
One quick approach to silence Reek would be to refactor the code thus:
def double_thing()
thing = @other.thing
thing + thing
end
A slightly different approach would be to replace all calls of double_thing
by calls to @other.double_thing
:
class Other
def double_thing()
thing + thing
end
end
The approach you take will depend on balancing other factors in your code.
Avoid too many return
statements within this method. Open
return nil if patch_match.empty?
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Avoid too many return
statements within this method. Open
return tasks.create(attack: attack, start_date: Time.zone.now) if meets_performance_threshold?(attack.hash_mode)
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Render path contains parameter value Open
<%= render Railsboot::ButtonComponent.new(tag: "a", href: url_for([:download, @resource]), size: "sm") do %>
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When a call to render
uses a dynamically generated path, template name, file name, or action, there is the possibility that a user can access templates that should be restricted. The issue may be worse if those templates execute code or modify the database.
This warning is shown whenever the path to be rendered is not a static string or symbol.
These warnings are often false positives, however, because it can be difficult to manipulate Rails' assumptions about paths to perform malicious behavior. Reports of dynamic render paths should be checked carefully to see if they can actually be manipulated maliciously by the user.
Avoid too many return
statements within this method. Open
return nil if latest.nil?
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Avoid too many return
statements within this method. Open
return pending_task if pending_task
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Avoid too many return
statements within this method. Open
return head :gone if @task.paused?
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Avoid too many return
statements within this method. Open
return unless task.completed?
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Avoid too many return
statements within this method. Open
return patch_match.first if patch_match.first.patch_version > sem_version.patch
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Avoid too many return
statements within this method. Open
return head :no_content
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Method sidebar_link
has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring. Open
def sidebar_link(name, path, icon)
class_name = current_page?(path) ? "active" : ""
content_tag :li, class: "nav-item" do
link_to path, class: "nav-link #{class_name}" do
if icon.nil?
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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
Method initialize
has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring. Open
def initialize(builder, attribute_name, column, input_type, options = {}) # rubocop:disable Metrics/ParameterLists
raise ArgumentError, "EnumInput requires an enum column." unless column.is_a? ActiveRecord::Enum::EnumType
# Enum's are only required if we do not allow nil values
inclusion_validator = builder.object.class.validators_on(attribute_name).find { |v| v.kind == :inclusion }
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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
Method update
has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring. Open
def update
respond_to do |format|
if @attack.update(attack_params)
@attack.abandon! if @attack.can_abandon?
format.html { redirect_to campaigns_path(@attack.campaign), notice: "Attack was successfully updated." }
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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
CalculateMaskComplexityJob#perform doesn't depend on instance state (maybe move it to another class?) Open
def perform(mask_list_id)
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A Utility Function is any instance method that has no dependency on the state of the instance.
CalculateMaskComplexityJob#perform performs a nil-check Open
return if mask_list.nil? || mask_list.file.nil? || mask_list.complexity_value != 0
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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)
UpdateStatusJob#check_agents_online_status doesn't depend on instance state (maybe move it to another class?) Open
def check_agents_online_status
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A Utility Function is any instance method that has no dependency on the state of the instance.
UpdateStatusJob#remove_finished_tasks_status doesn't depend on instance state (maybe move it to another class?) Open
def remove_finished_tasks_status
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A Utility Function is any instance method that has no dependency on the state of the instance.
UpdateStatusJob#pause_lower_priority_campaigns doesn't depend on instance state (maybe move it to another class?) Open
def pause_lower_priority_campaigns
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A Utility Function is any instance method that has no dependency on the state of the instance.
ApplicationHelper#current_url doesn't depend on instance state (maybe move it to another class?) Open
def current_url(request)
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A Utility Function is any instance method that has no dependency on the state of the instance.