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# frozen_string_literal: true
RSpec.describe Dispatch::Tools::Registry do
let(:read_file_tool) do
Dispatch::Tools::Definition.new(
name: "read_file",
description: "Read the contents of a file",
parameters: {
type: "object",
properties: {
path: { type: "string" }
},
required: [ "path" ]
}
) { |params, _context| Dispatch::Tools::Result.success(output: "contents of #{params[:path]}") }
end
let(:write_file_tool) do
Dispatch::Tools::Definition.new(
name: "write_file",
description: "Write contents to a file",
parameters: {
type: "object",
properties: {
path: { type: "string" },
content: { type: "string" }
},
required: %w[path content]
}
) { |_params, _context| Dispatch::Tools::Result.success(output: "written") }
end
let(:delete_file_tool) do
Dispatch::Tools::Definition.new(
name: "delete_file",
description: "Delete a file",
parameters: {
type: "object",
properties: {
path: { type: "string" }
},
required: [ "path" ]
}
) { |_params, _context| Dispatch::Tools::Result.success(output: "deleted") }
end
let(:registry) { described_class.new }
describe "#register" do
it "adds a tool definition to the registry" do
registry.register(read_file_tool)
expect(registry.has?("read_file")).to be true
end
it "returns self for chaining" do
result = registry.register(read_file_tool)
expect(result).to be(registry)
end
it "supports chaining multiple registrations" do
registry.register(read_file_tool).register(write_file_tool)
expect(registry.has?("read_file")).to be true
expect(registry.has?("write_file")).to be true
end
it "raises DuplicateToolError when registering a tool with the same name" do
registry.register(read_file_tool)
duplicate_tool = Dispatch::Tools::Definition.new(
name: "read_file",
description: "Another read file",
parameters: { type: "object", properties: {}, required: [] }
) { |_params, _context| Dispatch::Tools::Result.success(output: "dupe") }
expect { registry.register(duplicate_tool) }.to raise_error(Dispatch::Tools::DuplicateToolError)
end
end
describe "#get" do
before { registry.register(read_file_tool) }
it "returns the tool definition by name" do
tool = registry.get("read_file")
expect(tool).to be(read_file_tool)
end
it "returns nil for unknown tool name" do
expect(registry.get("nonexistent")).to be_nil
end
end
describe "#has?" do
it "returns true when the tool is registered" do
registry.register(read_file_tool)
expect(registry.has?("read_file")).to be true
end
it "returns false when the tool is not registered" do
expect(registry.has?("read_file")).to be false
end
end
describe "#tools" do
it "returns an empty array when no tools are registered" do
expect(registry.tools).to eq([])
end
it "returns all registered tool definitions" do
registry.register(read_file_tool).register(write_file_tool)
expect(registry.tools).to contain_exactly(read_file_tool, write_file_tool)
end
end
describe "#tool_names" do
it "returns an empty array when no tools are registered" do
expect(registry.tool_names).to eq([])
end
it "returns all registered tool names as strings" do
registry.register(read_file_tool).register(write_file_tool)
expect(registry.tool_names).to contain_exactly("read_file", "write_file")
end
end
describe "#to_a" do
it "returns an empty array when no tools are registered" do
expect(registry.to_a).to eq([])
end
it "returns an array of hashes with name, description, and parameters" do
registry.register(read_file_tool)
result = registry.to_a
expect(result).to be_an(Array)
expect(result.size).to eq(1)
expect(result.first).to eq({
name: "read_file",
description: "Read the contents of a file",
parameters: {
type: "object",
properties: {
path: { type: "string" }
},
required: [ "path" ]
}
})
end
it "returns plain hashes, not structs" do
registry.register(read_file_tool)
registry.to_a.each do |entry|
expect(entry).to be_a(Hash)
end
end
it "includes all registered tools" do
registry.register(read_file_tool).register(write_file_tool)
names = registry.to_a.map { |h| h[:name] }
expect(names).to contain_exactly("read_file", "write_file")
end
end
describe "#subset" do
before do
registry.register(read_file_tool).register(write_file_tool).register(delete_file_tool)
end
it "returns a new Registry containing only the specified tools" do
sub = registry.subset("read_file", "write_file")
expect(sub).to be_a(described_class)
expect(sub.tool_names).to contain_exactly("read_file", "write_file")
end
it "does not include tools not specified" do
sub = registry.subset("read_file")
expect(sub.has?("write_file")).to be false
expect(sub.has?("delete_file")).to be false
end
it "returns a different registry instance" do
sub = registry.subset("read_file")
expect(sub).not_to be(registry)
end
it "raises ToolNotFoundError when a requested name is not found" do
expect { registry.subset("read_file", "nonexistent") }.to raise_error(Dispatch::Tools::ToolNotFoundError)
end
end
describe "#size" do
it "returns 0 for an empty registry" do
expect(registry.size).to eq(0)
end
it "returns the number of registered tools" do
registry.register(read_file_tool).register(write_file_tool)
expect(registry.size).to eq(2)
end
end
describe "#empty?" do
it "returns true when no tools are registered" do
expect(registry.empty?).to be true
end
it "returns false when tools are registered" do
registry.register(read_file_tool)
expect(registry.empty?).to be false
end
end
end
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