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# frozen_string_literal: true
require "webmock/rspec"
RSpec.describe Dispatch::Adapter::Claude, "#list_models" do
let(:model_id) { "claude-sonnet-4-6" }
let(:api_key) { "sk-ant-api03-test" }
let(:base_url) { "https://api.anthropic.com" }
let(:models_url) { "#{base_url}/v1/models?limit=200" }
subject(:adapter) do
described_class.new(
model: model_id,
api_key: api_key,
base_url: base_url
)
end
before { WebMock.disable_net_connect! }
after { WebMock.reset! }
# A known bundled model ID (must exist in pricing table)
let(:known_id) { "claude-sonnet-4-6" }
# A fake runtime-only model
let(:unknown_id) { "claude-future-99" }
def stub_models_api(entries)
stub_request(:get, models_url)
.to_return(
status: 200,
body: JSON.generate({ "data" => entries }),
headers: { "Content-Type" => "application/json" }
)
end
# ── Runtime overlay adds new entries ─────────────────────────────────────
describe "runtime entries added to bundled list" do
let(:runtime_entries) do
[
{ "id" => known_id, "display_name" => "Claude Sonnet 4.6 (Latest)" },
{ "id" => unknown_id, "display_name" => "Claude Future 99" }
]
end
before { stub_models_api(runtime_entries) }
it "returns an Array of ModelInfo objects" do
result = adapter.list_models
expect(result).to all(be_a(Dispatch::Adapter::ModelInfo))
end
it "includes the known model with display_name override" do
result = adapter.list_models
info = result.find { |m| m.id == known_id }
expect(info).not_to be_nil
expect(info.name).to eq("Claude Sonnet 4.6 (Latest)")
end
it "known model retains bundled pricing" do
result = adapter.list_models
info = result.find { |m| m.id == known_id }
expect(info.pricing).not_to be_nil
end
it "includes the unknown (unrated) model" do
result = adapter.list_models
info = result.find { |m| m.id == unknown_id }
expect(info).not_to be_nil
end
it "unknown model has nil pricing" do
result = adapter.list_models
info = result.find { |m| m.id == unknown_id }
expect(info.pricing).to be_nil
end
it "unknown model has '(unrated)' prefix in name" do
result = adapter.list_models
info = result.find { |m| m.id == unknown_id }
expect(info.name).to start_with("(unrated)")
end
it "unknown model has a default max_context_tokens of 200_000" do
result = adapter.list_models
info = result.find { |m| m.id == unknown_id }
expect(info.max_context_tokens).to eq(200_000)
end
end
# ── Failure falls back to bundled list ────────────────────────────────────
describe "network failure falls back to bundled list" do
before do
stub_request(:get, models_url).to_raise(Errno::ECONNREFUSED)
end
it "does not raise" do
expect { adapter.list_models }.not_to raise_error
end
it "returns an Array of ModelInfo objects" do
expect(adapter.list_models).to all(be_a(Dispatch::Adapter::ModelInfo))
end
it "returns the bundled models" do
result = adapter.list_models
ids = result.map(&:id)
expect(ids).to include(known_id)
end
end
describe "HTTP error falls back to bundled list" do
before do
stub_request(:get, models_url)
.to_return(
status: 500,
body: JSON.generate({ "error" => { "message" => "oops" } }),
headers: { "Content-Type" => "application/json" }
)
end
it "does not raise on server error" do
expect { adapter.list_models }.not_to raise_error
end
it "returns bundled models on server error" do
result = adapter.list_models
expect(result.map(&:id)).to include(known_id)
end
end
# ── In-memory cache ───────────────────────────────────────────────────────
describe "in-memory cache" do
before do
stub_models_api([
{ "id" => known_id, "display_name" => "Cached Name" }
])
end
it "returns the same array object on a second call (cached)" do
first = adapter.list_models
second = adapter.list_models
expect(second).to equal(first) # object identity
end
it "only calls the API once within the TTL" do
adapter.list_models
adapter.list_models
expect(WebMock).to have_requested(:get, models_url).once
end
it "re-fetches when the cache has expired" do
# Force cache expiry by backdating the cache timestamp
adapter.list_models
adapter.instance_variable_set(:@models_cache_at,
adapter.send(:current_time_ms) -
described_class::MODELS_CACHE_TTL_MS - 1)
adapter.list_models
expect(WebMock).to have_requested(:get, models_url).twice
end
end
# ── Bundled-only models appended if missing from runtime ──────────────────
describe "bundled models not in runtime response are appended" do
# Runtime only knows about one model; bundled knows more
before do
stub_models_api([
{ "id" => unknown_id, "display_name" => "Future Model" }
])
end
it "appends bundled models not present in the runtime response" do
result = adapter.list_models
ids = result.map(&:id)
expect(ids).to include(known_id) # bundled model added
expect(ids).to include(unknown_id) # runtime model present
end
end
# ── ModelCatalog.build_from_api ───────────────────────────────────────────
describe "ModelCatalog.build_from_api" do
let(:catalog) { Dispatch::Adapter::Claude::ModelCatalog }
context "with a known model id" do
let(:entry) { { "id" => known_id, "display_name" => "My Name" } }
it "uses the display_name" do
info = catalog.build_from_api(entry)
expect(info.name).to eq("My Name")
end
it "assigns bundled pricing" do
info = catalog.build_from_api(entry)
expect(info.pricing).not_to be_nil
end
it "falls back to id when display_name is empty" do
info = catalog.build_from_api("id" => known_id, "display_name" => "")
expect(info.name).to eq(known_id)
end
end
context "with an unknown model id" do
let(:entry) { { "id" => "totally-new-model", "display_name" => "New Model" } }
it "prefixes name with '(unrated)'" do
info = catalog.build_from_api(entry)
expect(info.name).to eq("(unrated) New Model")
end
it "has nil pricing" do
info = catalog.build_from_api(entry)
expect(info.pricing).to be_nil
end
it "has default max_context_tokens of 200_000" do
info = catalog.build_from_api(entry)
expect(info.max_context_tokens).to eq(200_000)
end
end
end
end
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