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Refactor ensure capability tests

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This commit is contained in:
Kevin Fischer 2025-06-14 17:29:16 +09:00
commit e4c9644e78
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1 changed files with 36 additions and 55 deletions
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95
test/mcp/methods_test.rb
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@ -5,71 +5,52 @@ require "test_helper"
module MCP
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 completion/complete raises an error if completions capability is not present" do
error = assert_raises(Methods::MissingRequiredCapabilityError) do
Methods.ensure_capability!(Methods::COMPLETION_COMPLETE, {})
end
assert_equal "Server does not support completions (required for completion/complete)", 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, {})
class << self
def ensure_capability_raises_error_for(method, required_capability_name:, capabilities: {})
test("ensure_capability! for #{method} raises an error if #{required_capability_name} capability is not present") do
error = assert_raises(Methods::MissingRequiredCapabilityError) do
Methods.ensure_capability!(method, capabilities)
end
assert_equal("Server does not support #{required_capability_name} (required for #{method})", error.message)
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, {})
def ensure_capability_does_not_raise_for(method, capabilities: {})
test("ensure_capability! does not raise for #{method}") do
assert_nothing_raised { Methods.ensure_capability!(method, capabilities) }
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
# Tools capability tests
ensure_capability_raises_error_for Methods::TOOLS_LIST, required_capability_name: "tools"
ensure_capability_raises_error_for Methods::TOOLS_CALL, required_capability_name: "tools"
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
# Sampling capability tests
ensure_capability_raises_error_for Methods::SAMPLING_CREATE_MESSAGE, required_capability_name: "sampling"
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
# Completions capability tests
ensure_capability_raises_error_for Methods::COMPLETION_COMPLETE, required_capability_name: "completions"
# Logging capability tests
ensure_capability_raises_error_for Methods::LOGGING_SET_LEVEL, required_capability_name: "logging"
# Prompts capability tests
ensure_capability_raises_error_for Methods::PROMPTS_GET, required_capability_name: "prompts"
ensure_capability_raises_error_for Methods::PROMPTS_LIST, required_capability_name: "prompts"
# Resources capability tests
ensure_capability_raises_error_for Methods::RESOURCES_LIST, required_capability_name: "resources"
ensure_capability_raises_error_for Methods::RESOURCES_TEMPLATES_LIST, required_capability_name: "resources"
ensure_capability_raises_error_for Methods::RESOURCES_READ, required_capability_name: "resources"
# Resources subscribe capability tests
ensure_capability_raises_error_for Methods::RESOURCES_SUBSCRIBE,
required_capability_name: "resources_subscribe",
capabilities: { resources: {} }
# Methods that don't require capabilities
ensure_capability_does_not_raise_for Methods::PING
ensure_capability_does_not_raise_for Methods::INITIALIZE
end
end