Return source from expect_issue

spec/ameba/rule/layout/trailing_blank_lines_spec.cr

@@ -13,18 +13,18 @@ module Ameba::Rule::Layout
     end
 
     it "fails if there is no blank lines at the end" do
-      expect_issue subject, "no-blankline # error: Trailing newline missing"
-      expect_correction "no-blankline\n"
+      s = expect_issue subject, "no-blankline # error: Trailing newline missing"
+      expect_correction s, "no-blankline\n"
     end
 
     it "fails if there more then one blank line at the end of a source" do
-      expect_issue subject, "a = 1\n \n # error: Excessive trailing newline detected", normalize: false
-      expect_no_corrections
+      s = expect_issue subject, "a = 1\n \n # error: Excessive trailing newline detected", normalize: false
+      expect_no_corrections s
     end
 
     it "fails if last line is not blank" do
-      expect_issue subject, "\n\n\n puts 22 # error: Trailing newline missing", normalize: false
-      expect_correction "\n\n\n puts 22\n"
+      s = expect_issue subject, "\n\n\n puts 22 # error: Trailing newline missing", normalize: false
+      expect_correction s, "\n\n\n puts 22\n"
     end
 
     context "when unnecessary blank line has been detected" do

spec/ameba/rule/style/large_numbers_spec.cr

@@ -7,12 +7,12 @@ module Ameba
     it "transforms large number #{number}" do
       rule = Rule::Style::LargeNumbers.new
 
-      expect_issue rule, <<-CRYSTAL, number: number
+      s = expect_issue rule, <<-CRYSTAL, number: number
         number = %{number}
                # ^{number} error: Large numbers should be written with underscores: #{expected}
         CRYSTAL
 
-      expect_correction <<-CRYSTAL
+      expect_correction s, <<-CRYSTAL
         number = #{expected}
         CRYSTAL
     end

src/ameba/spec/expect_issue.cr

@@ -47,8 +47,6 @@ require "./util"
 module Ameba::Spec::ExpectIssue
   include Spec::Util
 
-  class_property source : Source?
-
   def expect_issue(rules : Rule::Base | Enumerable(Rule::Base),
                    annotated_code : String,
                    path = "",
@@ -67,7 +65,7 @@ module Ameba::Spec::ExpectIssue
       raise "Use `report_no_issues` to assert that no issues are found"
     end
 
-    actual_annotations = actual_annotations(rules, code, path, lines)
+    source, actual_annotations = actual_annotations(rules, code, path, lines)
     unless actual_annotations == expected_annotations
       fail <<-MSG, file, line
         Expected:
@@ -79,12 +77,11 @@ module Ameba::Spec::ExpectIssue
         #{actual_annotations}
         MSG
     end
+
+    source
   end
 
-  def expect_correction(correction, *, file = __FILE__, line = __LINE__)
-    source = ExpectIssue.source
-    raise "`expect_correction` must follow `expect_issue`" unless source
-
+  def expect_correction(source, correction, *, file = __FILE__, line = __LINE__)
     raise "Use `expect_no_corrections` if the code will not change" unless source.correct
     return if correction == source.code
 
@@ -99,10 +96,7 @@ module Ameba::Spec::ExpectIssue
       MSG
   end
 
-  def expect_no_corrections(*, file = __FILE__, line = __LINE__)
-    source = ExpectIssue.source
-    raise "`expect_no_corrections` must follow `expect_offense`" unless source
-
+  def expect_no_corrections(source, *, file = __FILE__, line = __LINE__)
     return unless source.correct
 
     fail <<-MSG, file, line
@@ -121,7 +115,7 @@ module Ameba::Spec::ExpectIssue
                        line = __LINE__)
     code = normalize_code(code) if normalize
     lines = code.split('\n') # must preserve trailing newline
-    actual_annotations = actual_annotations(rules, code, path, lines)
+    _, actual_annotations = actual_annotations(rules, code, path, lines)
     unless actual_annotations.to_s == code
       fail <<-MSG, file, line
         Expected no issues, but got:
@@ -133,13 +127,12 @@ module Ameba::Spec::ExpectIssue
 
   private def actual_annotations(rules, code, path, lines)
     source = Source.new(code, path, normalize: false) # already normalized
-    ExpectIssue.source = source
     if rules.is_a?(Enumerable)
       rules.each(&.catch(source))
     else
       rules.catch(source)
     end
-    AnnotatedSource.new(lines, source.issues)
+    {source, AnnotatedSource.new(lines, source.issues)}
   end
 
   private def format_issue(code, **replacements)