Assignment Branch Condition size for clear_event is too high. [19/15] Open
def clear_event
session.delete(:address_string)
session.delete(:address_lat)
session.delete(:address_lng)
session.delete(:receiver)
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- Exclude checks
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
Method has too many lines. [13/10] Open
def index
if params[:login]
@login = true
end
if session[:id]
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- Exclude checks
This cop checks if the length of a method exceeds some maximum value. Comment lines can optionally be ignored. The maximum allowed length is configurable.
Space missing to the left of {. Open
@history.sort!{ |x,y| y[:created_at] <=> x[:created_at] }
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- Exclude checks
Checks that block braces have or don't have a space before the opening brace depending on configuration.
Example:
# bad
foo.map{ |a|
a.bar.to_s
}
# good
foo.map { |a|
a.bar.to_s
}
Useless assignment to variable - i
. Open
i = 0
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- Exclude checks
This cop checks for every useless assignment to local variable in every
scope.
The basic idea for this cop was from the warning of ruby -cw
:
assigned but unused variable - foo
Currently this cop has advanced logic that detects unreferenced reassignments and properly handles varied cases such as branch, loop, rescue, ensure, etc.
Example:
# bad
def some_method
some_var = 1
do_something
end
Example:
# good
def some_method
some_var = 1
do_something(some_var)
end
Missing top-level class documentation comment. Open
class WelcomeController < ApplicationController
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- Exclude checks
This cop checks for missing top-level documentation of classes and modules. Classes with no body are exempt from the check and so are namespace modules - modules that have nothing in their bodies except classes, other modules, or constant definitions.
The documentation requirement is annulled if the class or module has a "#:nodoc:" comment next to it. Likewise, "#:nodoc: all" does the same for all its children.
Example:
# bad
class Person
# ...
end
# good
# Description/Explanation of Person class
class Person
# ...
end
Line is too long. [81/80] Open
e[:duration_setting] = WelcomeHelper.toDurationString(e[:duration_setting])
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Trailing whitespace detected. Open
- Exclude checks
Trailing whitespace detected. Open
- Exclude checks
Trailing whitespace detected. Open
- Exclude checks
Line is too long. [82/80] Open
# logger.debug "session[:formatted_address]: #{session[:formatted_address]}"
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Space missing after comma. Open
@history.sort!{ |x,y| y[:created_at] <=> x[:created_at] }
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- Exclude checks
Checks for comma (,) not followed by some kind of space.
Example:
# bad
[1,2]
{ foo:bar,}
# good
[1, 2]
{ foo:bar, }
Trailing whitespace detected. Open
- Exclude checks
Line is too long. [95/80] Open
# render text: "<script>window.location = '#{event_summary_path}';</script>", status: 200
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Extra empty line detected at method body end. Open
end
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- Exclude checks
This cops checks if empty lines exist around the bodies of methods.
Example:
# good
def foo
# ...
end
# bad
def bar
# ...
end
Trailing whitespace detected. Open
- Exclude checks
Trailing whitespace detected. Open
if session[:id]
- Exclude checks
Prefer single-quoted strings when you don't need string interpolation or special symbols. Open
redirect_to "/"
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- Exclude checks
Checks if uses of quotes match the configured preference.
Example: EnforcedStyle: single_quotes (default)
# bad
"No special symbols"
"No string interpolation"
"Just text"
# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"
Example: EnforcedStyle: double_quotes
# bad
'Just some text'
'No special chars or interpolation'
# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"
Favor modifier if
usage when having a single-line body. Another good alternative is the usage of control flow &&
/||
. Open
if params[:login]
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- Exclude checks
Checks for if and unless statements that would fit on one line
if written as a modifier if/unless. The maximum line length is
configured in the Metrics/LineLength
cop.
Example:
# bad
if condition
do_stuff(bar)
end
unless qux.empty?
Foo.do_something
end
# good
do_stuff(bar) if condition
Foo.do_something unless qux.empty?
Favor unless
over if
for negative conditions. Open
if !user
session[:id] = nil
return
end
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- Exclude checks
Checks for uses of if with a negated condition. Only ifs without else are considered. There are three different styles:
- both
- prefix
- postfix
Example: EnforcedStyle: both (default)
# enforces `unless` for `prefix` and `postfix` conditionals
# bad
if !foo
bar
end
# good
unless foo
bar
end
# bad
bar if !foo
# good
bar unless foo
Example: EnforcedStyle: prefix
# enforces `unless` for just `prefix` conditionals
# bad
if !foo
bar
end
# good
unless foo
bar
end
# good
bar if !foo
Example: EnforcedStyle: postfix
# enforces `unless` for just `postfix` conditionals
# bad
bar if !foo
# good
bar unless foo
# good
if !foo
bar
end
Prefer single-quoted strings when you don't need string interpolation or special symbols. Open
redirect_to "/"
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- Exclude checks
Checks if uses of quotes match the configured preference.
Example: EnforcedStyle: single_quotes (default)
# bad
"No special symbols"
"No string interpolation"
"Just text"
# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"
Example: EnforcedStyle: double_quotes
# bad
'Just some text'
'No special chars or interpolation'
# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"