simple client test

Author: jcat4

test/mcp/client_test.rb

@@ -4,6 +4,24 @@
 
 module MCP
   class ClientTest < Minitest::Test
-    # no functionality to test yet
+    def test_tools_delegates_to_transport_and_caches_result
+      transport = mock
+      mock_tools = [
+        MCP::Client::Tool.new(name: "tool1", description: "tool1", input_schema: {}),
+        MCP::Client::Tool.new(name: "tool2", description: "tool2", input_schema: {}),
+      ]
+      transport.expects(:tools).returns(mock_tools).once
+      client = Client.new(transport: transport)
+      assert_equal(mock_tools, client.tools)
+      assert_equal(mock_tools, client.tools)
+    end
+
+    def test_call_tool_delegates_to_transport
+      transport = mock
+      tool = MCP::Client::Tool.new(name: "tool1", description: "tool1", input_schema: {})
+      transport.expects(:call_tool).with(tool: tool, input: { foo: "bar" }).returns("result")
+      client = Client.new(transport: transport)
+      assert_equal("result", client.call_tool(tool: tool, input: { foo: "bar" }))
+    end
   end
 end