discourse-ai/spec/lib/completions/endpoints/aws_bedrock_spec.rb

122 lines
3.4 KiB
Ruby

# frozen_string_literal: true
require_relative "endpoint_compliance"
require "aws-eventstream"
require "aws-sigv4"
class BedrockMock < EndpointMock
def response(content)
{
completion: content,
stop: "\n\nHuman:",
stop_reason: "stop_sequence",
truncated: false,
log_id: "12dcc7feafbee4a394e0de9dffde3ac5",
model: "claude",
exception: nil,
}
end
def stub_response(prompt, response_content, tool_call: false)
WebMock
.stub_request(:post, "#{base_url}/invoke")
.with(body: model.default_options.merge(prompt: prompt).to_json)
.to_return(status: 200, body: JSON.dump(response(response_content)))
end
def stream_line(delta, finish_reason: nil)
encoder = Aws::EventStream::Encoder.new
message =
Aws::EventStream::Message.new(
payload:
StringIO.new(
{
bytes:
Base64.encode64(
{
completion: delta,
stop: finish_reason ? "\n\nHuman:" : nil,
stop_reason: finish_reason,
truncated: false,
log_id: "12b029451c6d18094d868bc04ce83f63",
model: "claude-2.1",
exception: nil,
}.to_json,
),
}.to_json,
),
)
encoder.encode(message)
end
def stub_streamed_response(prompt, deltas, tool_call: false)
chunks =
deltas.each_with_index.map do |_, index|
if index == (deltas.length - 1)
stream_line(deltas[index], finish_reason: "stop_sequence")
else
stream_line(deltas[index])
end
end
WebMock
.stub_request(:post, "#{base_url}/invoke-with-response-stream")
.with(body: model.default_options.merge(prompt: prompt).to_json)
.to_return(status: 200, body: chunks)
end
def base_url
"https://bedrock-runtime.#{SiteSetting.ai_bedrock_region}.amazonaws.com/model/anthropic.claude-v2:1"
end
end
RSpec.describe DiscourseAi::Completions::Endpoints::AwsBedrock do
subject(:endpoint) { described_class.new("claude-2", DiscourseAi::Tokenizer::AnthropicTokenizer) }
fab!(:user) { Fabricate(:user) }
let(:bedrock_mock) { BedrockMock.new(endpoint) }
let(:compliance) do
EndpointsCompliance.new(self, endpoint, DiscourseAi::Completions::Dialects::Claude, user)
end
before do
SiteSetting.ai_bedrock_access_key_id = "123456"
SiteSetting.ai_bedrock_secret_access_key = "asd-asd-asd"
SiteSetting.ai_bedrock_region = "us-east-1"
end
describe "#perform_completion!" do
context "when using regular mode" do
context "with simple prompts" do
it "completes a trivial prompt and logs the response" do
compliance.regular_mode_simple_prompt(bedrock_mock)
end
end
context "with tools" do
it "returns a function invocation" do
compliance.regular_mode_tools(bedrock_mock)
end
end
end
describe "when using streaming mode" do
context "with simple prompts" do
it "completes a trivial prompt and logs the response" do
compliance.streaming_mode_simple_prompt(bedrock_mock)
end
end
context "with tools" do
it "returns a function invoncation" do
compliance.streaming_mode_tools(bedrock_mock)
end
end
end
end
end