Crystal 0.24.1 support

spec/ameba/rule/base_spec.cr

@@ -1,4 +1,4 @@
-require "../../spec/spec_helper"
+require "../../spec_helper"
 
 module Ameba
   describe Rule::Base do

spec/ameba/rule/empty_expression_spec.cr

@@ -104,7 +104,7 @@ module Ameba
       error = s.errors.first
       error.rule.should_not be_nil
       error.location.to_s.should eq "source.cr:2:12"
-      error.message.should eq "Avoid empty expression '()'"
+      error.message.should eq "Avoid empty expressions"
     end
   end
 end

spec/ameba/rule/shadowed_exception_spec.cr

@@ -158,14 +158,15 @@ module Ameba::Rule
     it "reports rule, location and a message" do
       s = Source.new %q(
         begin
+          do_something
         rescue Exception | IndexError
         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:2:9"
+      error.location.to_s.should eq "source.cr:3:11"
       error.message.should eq(
         "Exception handler has shadowed exceptions: IndexError"
       )

src/ameba/formatter/todo_formatter.cr

@@ -53,11 +53,14 @@ module Ameba::Formatter
               .compact
               .uniq!
 
-      YAML.build do |yaml|
-        yaml.mapping do
-          rule.name.to_yaml(yaml)
-          rule.to_yaml(yaml)
-        end
+      nodes_builder = YAML::Nodes::Builder.new
+      nodes_builder.mapping do
+        rule.name.to_yaml nodes_builder
+        rule.to_yaml nodes_builder
+      end
+
+      YAML.build do |builder|
+        nodes_builder.document.to_yaml(builder)
       end
     end
   end