Add JUnit5 adapter

lib/junit5_adapter.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class Junit5Adapter < TestingFrameworkAdapter
+  COUNT_REGEXP = /(\d+) tests found/.freeze
+  FAILURES_REGEXP = /(\d+) tests failed/.freeze
+  SUCCESS_REGEXP = /(\d+) tests successful\)/.freeze
+  ASSERTION_ERROR_REGEXP = /java\.lang\.AssertionError:?\s(.*?)\torg.junit|org\.junit\.ComparisonFailure:\s(.*?)\torg.junit/m.freeze
+
+  def self.framework_name
+    'JUnit 5'
+  end
+
+  def parse_output(output)
+    if SUCCESS_REGEXP.match(output[:stdout])
+      {count: Regexp.last_match(1).to_i, passed: Regexp.last_match(1).to_i}
+    else
+      count = COUNT_REGEXP.match(output[:stdout]).try(:captures).try(:first).try(:to_i) || 0
+      failed = FAILURES_REGEXP.match(output[:stdout]).try(:captures).try(:first).try(:to_i) || 0
+      error_matches = ASSERTION_ERROR_REGEXP.match(output[:stdout]).try(:captures) || []
+      {count: count, failed: failed, error_messages: error_matches}
+    end
+  end
+end