1 files changed, 36 insertions, 0 deletions
diff --git a/tooling/lib/tooling/test_map_generator.rb b/tooling/lib/tooling/test_map_generator.rb
new file mode 100644
index 00000000000..bd0415f6e67
--- /dev/null
+++ b/tooling/lib/tooling/test_map_generator.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require 'set'
+require 'yaml'
+
+module Tooling
+  class TestMapGenerator
+    def initialize
+      @mapping = Hash.new { |h, k| h[k] = Set.new }
+    end
+
+    def parse(yaml_files)
+      Array(yaml_files).each do |yaml_file|
+        data = File.read(yaml_file)
+        _metadata, example_groups = data.split("---\n").reject(&:empty?).map { |yml| YAML.safe_load(yml, [Symbol]) }
+
+        example_groups.each do |example_id, files|
+          files.each do |file|
+            spec_file = strip_example_uid(example_id)
+            @mapping[file] << spec_file
+          end
+        end
+      end
+    end
+
+    def mapping
+      @mapping.transform_values { |set| set.to_a }
+    end
+
+    private
+
+    def strip_example_uid(example_id)
+      example_id.gsub(/\[.+\]/, '')
+    end
+  end
+end