discourse-ai/spec/shared/inference/openai_completions_spec.rb

122 lines
4.1 KiB
Ruby

# frozen_string_literal: true
require "rails_helper"
describe DiscourseAi::Inference::OpenAiCompletions do
before { SiteSetting.ai_openai_api_key = "abc-123" }
it "can complete a trivial prompt" do
body = <<~JSON
{"id":"chatcmpl-74OT0yKnvbmTkqyBINbHgAW0fpbxc","object":"chat.completion","created":1681281718,"model":"gpt-3.5-turbo-0301","usage":{"prompt_tokens":12,"completion_tokens":13,"total_tokens":25},"choices":[{"message":{"role":"assistant","content":"1. Serenity\\n2. Laughter\\n3. Adventure"},"finish_reason":"stop","index":0}]}
JSON
stub_request(:post, "https://api.openai.com/v1/chat/completions").with(
body:
"{\"model\":\"gpt-3.5-turbo\",\"messages\":[{\"role\":\"user\",\"content\":\"write 3 words\"}],\"temperature\":0.5,\"top_p\":0.8,\"max_tokens\":700}",
headers: {
"Authorization" => "Bearer #{SiteSetting.ai_openai_api_key}",
"Content-Type" => "application/json",
},
).to_return(status: 200, body: body, headers: {})
user_id = 183
prompt = [role: "user", content: "write 3 words"]
completions =
DiscourseAi::Inference::OpenAiCompletions.perform!(
prompt,
"gpt-3.5-turbo",
temperature: 0.5,
top_p: 0.8,
max_tokens: 700,
user_id: user_id,
)
expect(completions[:choices][0][:message][:content]).to eq(
"1. Serenity\n2. Laughter\n3. Adventure",
)
expect(AiApiAuditLog.count).to eq(1)
log = AiApiAuditLog.first
request_body = (<<~JSON).strip
{"model":"gpt-3.5-turbo","messages":[{"role":"user","content":"write 3 words"}],"temperature":0.5,"top_p":0.8,"max_tokens":700}
JSON
expect(log.provider_id).to eq(AiApiAuditLog::Provider::OpenAI)
expect(log.request_tokens).to eq(12)
expect(log.response_tokens).to eq(13)
expect(log.raw_request_payload).to eq(request_body)
expect(log.raw_response_payload).to eq(body)
end
it "raises an error if attempting to stream without a block" do
expect do
DiscourseAi::Inference::OpenAiCompletions.perform!([], "gpt-3.5-turbo", stream: true)
end.to raise_error(ArgumentError)
end
def stream_line(finish_reason: nil, delta: {})
+"data: " << {
id: "chatcmpl-#{SecureRandom.hex}",
object: "chat.completion.chunk",
created: 1_681_283_881,
model: "gpt-3.5-turbo-0301",
choices: [{ delta: delta }],
finish_reason: finish_reason,
index: 0,
}.to_json
end
it "can operate in streaming mode" do
payload = [
stream_line(delta: { role: "assistant" }),
stream_line(delta: { content: "Mount" }),
stream_line(delta: { content: "ain" }),
stream_line(delta: { content: " " }),
stream_line(delta: { content: "Tree " }),
stream_line(delta: { content: "Frog" }),
stream_line(finish_reason: "stop"),
"[DONE]",
].join("\n\n")
stub_request(:post, "https://api.openai.com/v1/chat/completions").with(
body:
"{\"model\":\"gpt-3.5-turbo\",\"messages\":[{\"role\":\"user\",\"content\":\"write 3 words\"}],\"stream\":true}",
headers: {
"Accept" => "*/*",
"Authorization" => "Bearer abc-123",
"Content-Type" => "application/json",
"Host" => "api.openai.com",
},
).to_return(status: 200, body: payload, headers: {})
prompt = [role: "user", content: "write 3 words"]
content = +""
DiscourseAi::Inference::OpenAiCompletions.perform!(
prompt,
"gpt-3.5-turbo",
stream: true,
) do |partial, cancel|
data = partial[:choices][0].dig(:delta, :content)
content << data if data
cancel.call if content.split(" ").length == 2
end
expect(content).to eq("Mountain Tree ")
expect(AiApiAuditLog.count).to eq(1)
log = AiApiAuditLog.first
request_body = (<<~JSON).strip
{"model":"gpt-3.5-turbo","messages":[{"role":"user","content":"write 3 words"}],"stream":true}
JSON
expect(log.provider_id).to eq(AiApiAuditLog::Provider::OpenAI)
expect(log.request_tokens).to eq(5)
expect(log.response_tokens).to eq(4)
expect(log.raw_request_payload).to eq(request_body)
expect(log.raw_response_payload).to eq(payload)
end
end