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Remove rescue block and add test for error bubbling in InputSchema validation

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This commit is contained in:
Tyler Rowsell 2025-06-09 10:02:29 -04:00
commit 934a5e8db4
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1 changed files with 18 additions and 12 deletions
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20
lib/mcp/tool/input_schema.rb
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@ -38,18 +38,14 @@ module MCP
def validate_schema!
schema = to_h
begin
schema_reader = JSON::Schema::Reader.new(
accept_uri: false,
accept_file: ->(path) { path.to_s.start_with?(Gem.loaded_specs["json-schema"].full_gem_path) },
)
metaschema = JSON::Validator.validator_for_name("draft4").metaschema
errors = JSON::Validator.fully_validate(metaschema, schema, schema_reader: schema_reader)
if errors.any?
raise ArgumentError, "Invalid JSON Schema: #{errors.join(", ")}"
end
rescue StandardError => e
raise ArgumentError, "Invalid JSON Schema: #{e.message}"
schema_reader = JSON::Schema::Reader.new(
accept_uri: false,
accept_file: ->(path) { path.to_s.start_with?(Gem.loaded_specs["json-schema"].full_gem_path) },
)
metaschema = JSON::Validator.validator_for_name("draft4").metaschema
errors = JSON::Validator.fully_validate(metaschema, schema, schema_reader: schema_reader)
if errors.any?
raise ArgumentError, "Invalid JSON Schema: #{errors.join(", ")}"
end
end
end