shard-ameba/spec/ameba/rule/empty_ensure_spec.cr

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2017-11-16 14:31:32 +00:00
require "../../spec_helper"
module Ameba::Rule
describe EmptyEnsure do
subject = EmptyEnsure.new
it "passes if there is no empty ensure blocks" do
s = Source.new %(
def some_method
do_some_stuff
ensure
do_something_else
end
begin
do_some_stuff
ensure
do_something_else
end
def method_with_rescue
rescue
ensure
nil
end
)
subject.catch(s).should be_valid
end
it "fails if there is an empty ensure in method" do
s = Source.new %(
def method
do_some_stuff
ensure
end
)
subject.catch(s).should_not be_valid
end
it "fails if there is an empty ensure in a block" do
s = Source.new %(
begin
do_some_stuff
ensure
# nothing here
end
)
subject.catch(s).should_not be_valid
end
it "reports rule, pos and message" do
s = Source.new %(
begin
do_some_stuff
rescue
do_some_other_stuff
ensure
end
), "source.cr"
subject.catch(s).should_not be_valid
error = s.errors.first
error.rule.should_not be_nil
error.location.to_s.should eq "source.cr:3:11"
error.message.should eq "Empty `ensure` block detected"
end
end
end