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-rw-r--r--ci/custom_cops/test/support/cop_helper.rb35
1 files changed, 35 insertions, 0 deletions
diff --git a/ci/custom_cops/test/support/cop_helper.rb b/ci/custom_cops/test/support/cop_helper.rb
new file mode 100644
index 0000000000..d259154df5
--- /dev/null
+++ b/ci/custom_cops/test/support/cop_helper.rb
@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require "rubocop"
+
+module CopHelper
+ def inspect_source(cop, source)
+ processed_source = parse_source(source)
+ raise "Error parsing example code" unless processed_source.valid_syntax?
+ investigate(cop, processed_source)
+ processed_source
+ end
+
+ def autocorrect_source(cop, source)
+ cop.instance_variable_get(:@options)[:auto_correct] = true
+ processed_source = inspect_source(cop, source)
+ rewrite(cop, processed_source)
+ end
+
+ private
+ TARGET_RUBY_VERSION = 2.4
+
+ def parse_source(source)
+ RuboCop::ProcessedSource.new(source, TARGET_RUBY_VERSION)
+ end
+
+ def rewrite(cop, processed_source)
+ RuboCop::Cop::Corrector.new(processed_source.buffer, cop.corrections)
+ .rewrite
+ end
+
+ def investigate(cop, processed_source)
+ RuboCop::Cop::Commissioner.new([cop], [], raise_error: true)
+ .investigate(processed_source)
+ end
+end