Internal Release 0.7.0

- add support for resource templates
- improve capability negotiation on handlers
- clean up readme
- reduce default protocol version to "2024-11-05"
- address spec compliance of resources
- add debug gem to development
- alias ModelContextProtocol to MCP
- move prompt subclasses to subdir
- improve tool and prompt definition
- improve passing of server context to tools
- improve tool input schema validation

test/model_context_protocol/methods_test.rb

@@ -0,0 +1,68 @@
+# typed: strict
+# frozen_string_literal: true
+
+require "test_helper"
+
+module ModelContextProtocol
+  class MethodsTest < ActiveSupport::TestCase
+    test "ensure_capability! for tools/list method raises an error if tools capability is not present" do
+      error = assert_raises(Methods::MissingRequiredCapabilityError) do
+        Methods.ensure_capability!(Methods::TOOLS_LIST, {})
+      end
+      assert_equal "Server does not support tools (required for tools/list)", error.message
+    end
+
+    test "ensure_capability! for sampling/createMessage raises an error if sampling capability is not present" do
+      error = assert_raises(Methods::MissingRequiredCapabilityError) do
+        Methods.ensure_capability!(Methods::SAMPLING_CREATE_MESSAGE, {})
+      end
+      assert_equal "Server does not support sampling (required for sampling/createMessage)", error.message
+    end
+
+    test "ensure_capability! for logging/setLevel raises an error if logging capability is not present" do
+      error = assert_raises(Methods::MissingRequiredCapabilityError) do
+        Methods.ensure_capability!(Methods::LOGGING_SET_LEVEL, {})
+      end
+      assert_equal "Server does not support logging (required for logging/setLevel)", error.message
+    end
+
+    test "ensure_capability! for prompts/get and prompts/list raise an error if prompts capability is not present" do
+      [Methods::PROMPTS_GET, Methods::PROMPTS_LIST].each do |method|
+        error = assert_raises(Methods::MissingRequiredCapabilityError) do
+          Methods.ensure_capability!(method, {})
+        end
+        assert_equal "Server does not support prompts (required for #{method})", error.message
+      end
+    end
+
+    test "ensure_capability! for resources/list, resources/templates/list, resources/read raise an error if resources capability is not present" do
+      [Methods::RESOURCES_LIST, Methods::RESOURCES_TEMPLATES_LIST, Methods::RESOURCES_READ].each do |method|
+        error = assert_raises(Methods::MissingRequiredCapabilityError) do
+          Methods.ensure_capability!(method, {})
+        end
+        assert_equal "Server does not support resources (required for #{method})", error.message
+      end
+    end
+
+    test "ensure_capability! for tools/call and tools/list raise an error if tools capability is not present" do
+      [Methods::TOOLS_CALL, Methods::TOOLS_LIST].each do |method|
+        error = assert_raises(Methods::MissingRequiredCapabilityError) do
+          Methods.ensure_capability!(method, {})
+        end
+        assert_equal "Server does not support tools (required for #{method})", error.message
+      end
+    end
+
+    test "ensure_capability! for resources/subscribe raises an error if resources subscribe capability is not present" do
+      error = assert_raises(Methods::MissingRequiredCapabilityError) do
+        Methods.ensure_capability!(Methods::RESOURCES_SUBSCRIBE, { resources: {} })
+      end
+      assert_equal "Server does not support resources_subscribe (required for resources/subscribe)", error.message
+    end
+
+    test "ensure_capability! does not raise for ping and initialize methods" do
+      assert_nothing_raised { Methods.ensure_capability!(Methods::PING, {}) }
+      assert_nothing_raised { Methods.ensure_capability!(Methods::INITIALIZE, {}) }
+    end
+  end
+end