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Fix mutations on when without body

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This commit is contained in:
Markus Schirp 2014-04-06 21:41:01 +00:00
parent 30ddd95ffb
commit 09c6c94ab6
2 changed files with 31 additions and 30 deletions
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32
lib/mutant/mutator/node/when.rb
View file

@ -18,7 +18,11 @@ module Mutant
# @api private
#
def dispatch
mutate_body
if body
mutate_body
else
emit_child_update(body_index, RAISE)
end
mutate_conditions
end
@ -43,7 +47,31 @@ module Mutant
# @api private
#
def mutate_body
mutate_child(children.length - 1)
mutate_child(body_index)
end
# Return body node
#
# @return [Parser::AST::Node]
# if body is present
#
# @return [nil]
# otherwise
#
# @api private
#
def body
children[body_index]
end
# Return body index
#
# @return [Fixnum]
#
# @api private
#
def body_index
children.length - 1
end
end # When

29
spec/unit/mutant/mutator/node/case_spec.rb
View file

@ -14,7 +14,6 @@ describe Mutant::Mutator::Node::Case do
<<-RUBY
case :condition
when :foo
:foo
when :bar, :baz
:barbaz
else
@ -38,7 +37,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
else
:else
end
@ -46,7 +44,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when :bar, :baz
:barbaz
end
@ -56,7 +53,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case nil
when :foo
:foo
when :bar, :baz
:barbaz
else
@ -66,7 +62,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :srandom
when :foo
:foo
when :bar, :baz
:barbaz
else
@ -78,7 +73,7 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
nil
raise
when :bar, :baz
:barbaz
else
@ -88,17 +83,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:srandom
when :bar, :baz
:barbaz
else
:else
end
RUBY
mutations << <<-RUBY
case :condition
when :foo
:foo
when :bar, :baz
:srandom
else
@ -108,7 +92,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when :bar, :baz
nil
else
@ -118,7 +101,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when :bar, :baz
:barbaz
else
@ -128,7 +110,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when :bar, :baz
:barbaz
else
@ -140,7 +121,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :srandom
:foo
when :bar, :baz
:barbaz
else
@ -150,7 +130,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when nil
:foo
when :bar, :baz
:barbaz
else
@ -160,7 +139,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when :srandom, :baz
:barbaz
else
@ -170,7 +148,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when nil, :baz
:barbaz
else
@ -180,7 +157,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when :bar, nil
:barbaz
else
@ -190,7 +166,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when :bar, :srandom
:barbaz
else
@ -200,7 +175,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when :baz
:barbaz
else
@ -210,7 +184,6 @@ describe Mutant::Mutator::Node::Case do
mutations << <<-RUBY
case :condition
when :foo
:foo
when :bar
:barbaz
else