Test README server context example

Author: sambostock

README.md

@@ -188,6 +188,8 @@ server_context: { [String, Symbol] => Any }
 ```
 
 **Example:**
+
+<!-- SNIPPET ID: server_context -->
 ```ruby
 server = MCP::Server.new(
   name: "my_server",

test/fixtures/files/code_snippet_wrappers/readme/server_context.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+require "mcp"
+
+current_user = Object.new
+def current_user.id = 123
+
+request = Object.new
+def request.uuid = "...uuid..."
+
+b = binding
+
+eval(File.read("code_snippet.rb"), b) # rubocop:disable Security/Eval -- We need to run the snippet in this context to extract the server
+
+server = b.local_variable_get(:server)
+
+puts server.server_context.to_json

test/integration/readme_code_snippets_test.rb

@@ -117,6 +117,15 @@ class ReadmeCodeSnippetsTest < ActiveSupport::TestCase
     assert_equal(expected_output, stdout)
   end
 
+  test "Server Context example works exactly as documented in README" do
+    assert_json_lines(
+      [
+        { user_id: 123, request_id: "...uuid..." },
+      ],
+      run_code_snippet("server_context"),
+    )
+  end
+
   private
 
   def assert_json_lines(expected, actual, message = "Expected the given JSON lines")