Prototyping for custom test reporter [skip ci]

lib/minitest/reporters/ruby_lsp_reporter.rb

@@ -0,0 +1,54 @@
+# typed: strict
+# frozen_string_literal: true
+
+module Minitest
+  module Reporters
+    class RubyLspReporter < BaseReporter
+      def initialize(options = {})
+        # TODO
+        super
+      end
+
+      def start
+        # TODO
+        super
+      end
+
+      def before_test(test)
+        # TODO
+        super
+      end
+
+      def record(test)
+        result = {
+          classname: test.klass,
+          file: test.source_location[0],
+          line: test.source_location[1],
+          time: test.time,
+        }
+        if (failure = test.failure)
+          result[:failure] = {
+            type: failure.class.name,
+            message: failure.message, # TODO: truncate?
+          }
+        end
+
+        if test.skipped?
+          result[:skipped] = {
+            message: "TODO: skip reason",
+          }
+        end
+
+        puts result.to_json
+        # TODO: flush IO after each?
+
+        super # need?
+      end
+
+      def report
+        # TODO
+        super
+      end
+    end
+  end
+end

test/global_state_test.rb

@@ -14,6 +14,7 @@ def test_detects_no_test_library_when_there_are_no_dependencies
     end
 
     def test_detects_minitest
+      raise "x" # temporary to verify test reporter
       stub_direct_dependencies("minitest" => "1.2.3")
 
       state = GlobalState.new
@@ -22,6 +23,7 @@ def test_detects_minitest
     end
 
     def test_does_not_detect_minitest_related_gems_as_minitest
+      skip("no thank you") # temporary to verify test reporter
       stub_direct_dependencies("minitest-reporters" => "1.2.3")
 
       state = GlobalState.new

test/test_helper.rb

@@ -42,6 +42,11 @@
 end
 Minitest::Reporters.use!(minitest_reporter)
 
+if ENV["RUBY_LSP"]
+  require "minitest/reporters/ruby_lsp_reporter"
+  Minitest::Reporters.use!(Minitest::Reporters::RubyLspReporter.new)
+end
+
 module Minitest
   class Test
     extend T::Sig