Few tweaks and readability refactors

spec/ameba/rule/style/constant_names_spec.cr

@@ -17,7 +17,7 @@ module Ameba
     it "passes if type names are screaming-cased" do
       expect_no_issues subject, <<-CRYSTAL
         LUCKY_NUMBERS     = [3, 7, 11]
-        DOCUMENTATION_URL = "http://crystal-lang.org/docs"
+        DOCUMENTATION_URL = "https://crystal-lang.org/docs"
 
         Int32
 

spec/spec_helper.cr

@@ -286,3 +286,7 @@ end
 def as_nodes(source)
   Ameba::TestNodeVisitor.new(as_node source)
 end
+
+def trailing_whitespace
+  ' '
+end

src/ameba/rule/style/parentheses_around_condition.cr

@@ -57,8 +57,7 @@ module Ameba::Rule::Style
 
       if cond.is_a?(Crystal::Assign) && allow_safe_assignment?
         issue_for cond, MSG_MISSING do |corrector|
-          corrector.insert_before(cond, '(')
-          corrector.insert_after(cond, ')')
+          corrector.wrap(cond, '(', ')')
         end
         return
       end

src/ameba/source.cr

@@ -27,6 +27,7 @@ module Ameba
     def correct
       corrector = Corrector.new(code)
       issues.each(&.correct(corrector))
+
       corrected_code = corrector.process
       return false if code == corrected_code
 

src/ameba/source/rewriter.cr

@@ -125,7 +125,9 @@ class Ameba::Source
 
     private def check_range_validity(begin_pos, end_pos)
       return unless begin_pos < 0 || end_pos > code.size
-      raise IndexError.new("The range #{begin_pos}...#{end_pos} is outside the bounds of the source")
+      raise IndexError.new(
+        "The range #{begin_pos}...#{end_pos} is outside the bounds of the source"
+      )
     end
   end
 end

src/ameba/spec/annotated_source.cr

@@ -2,7 +2,8 @@
 class Ameba::Spec::AnnotatedSource
   ANNOTATION_PATTERN_1 = /\A\s*(# )?(\^+|\^{})( error:)? /
   ANNOTATION_PATTERN_2 = " # error: "
-  ABBREV               = "[...]"
+
+  ABBREV = "[...]"
 
   getter lines : Array(String)
 
@@ -15,6 +16,7 @@ class Ameba::Spec::AnnotatedSource
   def self.parse(annotated_code)
     lines = [] of String
     annotations = [] of {Int32, String, String}
+
     code_lines = annotated_code.split('\n') # must preserve trailing newline
     code_lines.each do |code_line|
       case
@@ -39,7 +41,9 @@ class Ameba::Spec::AnnotatedSource
   # NOTE: Annotations are sorted so that reconstructing the annotation
   #       text via `#to_s` is deterministic.
   def initialize(@lines, annotations : Enumerable({Int32, String, String}))
-    @annotations = annotations.to_a.sort_by { |line, _, message| {line, message} }
+    @annotations = annotations.to_a.sort_by do |line, _, message|
+      {line, message}
+    end
   end
 
   # Annotates the source code with the Ameba issues provided.
@@ -47,7 +51,9 @@ class Ameba::Spec::AnnotatedSource
   # NOTE: Annotations are sorted so that reconstructing the annotation
   #       text via `#to_s` is deterministic.
   def initialize(@lines, issues : Enumerable(Issue))
-    @annotations = issues_to_annotations(issues).sort_by { |line, _, message| {line, message} }
+    @annotations = issues_to_annotations(issues).sort_by do |line, _, message|
+      {line, message}
+    end
   end
 
   def ==(other)

src/ameba/spec/be_valid.cr

@@ -13,8 +13,8 @@ module Ameba::Spec
     def failure_message(source)
       String.build do |str|
         str << "Source expected to be valid, but there are issues: \n\n"
-        source.issues.reject(&.disabled?).each do |e|
-          str << "  * #{e.rule.name}: #{e.message}\n"
+        source.issues.reject(&.disabled?).each do |issue|
+          str << "  * #{issue.rule.name}: #{issue.message}\n"
         end
       end
     end

src/ameba/spec/support.cr

@@ -14,9 +14,5 @@ module Ameba
   end
 end
 
-def trailing_whitespace
-  ' '
-end
-
 include Ameba::Spec::BeValid
 include Ameba::Spec::ExpectIssue