rspec/rules/S126/ruby/rule.adoc
Fred Tingaud 51369b610e
Make sure that includes are always surrounded by empty lines (#2270)
When an include is not surrounded by empty lines, its content is inlined
on the same line as the adjacent content. That can lead to broken tags
and other display issues.
This PR fixes all such includes and introduces a validation step that
forbids introducing the same problem again.
2023-06-22 10:38:01 +02:00

54 lines
1.3 KiB
Plaintext

== Why is this an issue?
This rule applies whenever an ``++if++`` statement is followed by one or more ``++elsif++`` statements; the final ``++elsif++`` should be followed by an ``++else++`` statement.
The requirement for a final ``++else++`` statement is defensive programming.
The ``++else++`` statement should either take appropriate action or contain a suitable comment as to why no action is taken. This is consistent with the requirement to have a final ``++else++`` clause in a ``++case++`` statement.
=== Noncompliant code example
[source,ruby]
----
if x == 0
doSomething
elsif x == 1
doSomethingElse
end
----
=== Compliant solution
[source,ruby]
----
if x == 0
doSomething
elsif x == 1
doSomethingElse
else
raise 'An error has occured'
end
----
=== Exceptions
When all branches of an ``++if++``-``++else if++`` end with ``++return++``, ``++break++`` or ``++throw++``, the code that comes after the ``++if++`` implicitly behaves as if it was in an ``++else++`` clause. This rule will therefore ignore that case.
ifdef::env-github,rspecator-view[]
'''
== Implementation Specification
(visible only on this page)
include::../message.adoc[]
'''
== Comments And Links
(visible only on this page)
include::../comments-and-links.adoc[]
endif::env-github,rspecator-view[]