discourse-ai/spec/lib/modules/ai_bot/personas/persona_spec.rb

324 lines
10 KiB
Ruby

#frozen_string_literal: true
class TestPersona < DiscourseAi::AiBot::Personas::Persona
def tools
[
DiscourseAi::AiBot::Tools::ListTags,
DiscourseAi::AiBot::Tools::Search,
DiscourseAi::AiBot::Tools::Image,
]
end
def system_prompt
<<~PROMPT
{site_url}
{site_title}
{site_description}
{participants}
{time}
PROMPT
end
end
RSpec.describe DiscourseAi::AiBot::Personas::Persona do
let :persona do
TestPersona.new
end
let :topic_with_users do
topic = Topic.new
topic.allowed_users = [User.new(username: "joe"), User.new(username: "jane")]
topic
end
after do
# we are rolling back transactions so we can create poison cache
AiPersona.persona_cache.flush!
end
let(:context) do
{
site_url: Discourse.base_url,
site_title: "test site title",
site_description: "test site description",
time: Time.zone.now,
participants: topic_with_users.allowed_users.map(&:username).join(", "),
}
end
fab!(:user)
it "renders the system prompt" do
freeze_time
rendered = persona.craft_prompt(context)
system_message = rendered.messages.first[:content]
expect(system_message).to include(Discourse.base_url)
expect(system_message).to include("test site title")
expect(system_message).to include("test site description")
expect(system_message).to include("joe, jane")
expect(system_message).to include(Time.zone.now.to_s)
tools = rendered.tools
expect(tools.find { |t| t[:name] == "search" }).to be_present
expect(tools.find { |t| t[:name] == "tags" }).to be_present
# needs to be configured so it is not available
expect(tools.find { |t| t[:name] == "image" }).to be_nil
end
it "can correctly parse arrays in tools" do
SiteSetting.ai_openai_api_key = "123"
# Dall E tool uses an array for params
xml = <<~XML
<function_calls>
<invoke>
<tool_name>dall_e</tool_name>
<tool_id>call_JtYQMful5QKqw97XFsHzPweB</tool_id>
<parameters>
<prompts>["cat oil painting", "big car"]</prompts>
</parameters>
</invoke>
<invoke>
<tool_name>dall_e</tool_name>
<tool_id>abc</tool_id>
<parameters>
<prompts>["pic3"]</prompts>
</parameters>
</invoke>
<invoke>
<tool_name>unknown</tool_name>
<tool_id>abc</tool_id>
<parameters>
<prompts>["pic3"]</prompts>
</parameters>
</invoke>
</function_calls>
XML
dall_e1, dall_e2 = tools = DiscourseAi::AiBot::Personas::DallE3.new.find_tools(xml)
expect(dall_e1.parameters[:prompts]).to eq(["cat oil painting", "big car"])
expect(dall_e2.parameters[:prompts]).to eq(["pic3"])
expect(tools.length).to eq(2)
end
describe "custom personas" do
it "is able to find custom personas" do
Group.refresh_automatic_groups!
# define an ai persona everyone can see
persona =
AiPersona.create!(
name: "zzzpun_bot",
description: "you write puns",
system_prompt: "you are pun bot",
commands: ["ImageCommand"],
allowed_group_ids: [Group::AUTO_GROUPS[:trust_level_0]],
)
custom_persona = DiscourseAi::AiBot::Personas::Persona.all(user: user).last
expect(custom_persona.name).to eq("zzzpun_bot")
expect(custom_persona.description).to eq("you write puns")
instance = custom_persona.new
expect(instance.tools).to eq([DiscourseAi::AiBot::Tools::Image])
expect(instance.craft_prompt(context).messages.first[:content]).to eq("you are pun bot")
# should update
persona.update!(name: "zzzpun_bot2")
custom_persona = DiscourseAi::AiBot::Personas::Persona.all(user: user).last
expect(custom_persona.name).to eq("zzzpun_bot2")
# can be disabled
persona.update!(enabled: false)
last_persona = DiscourseAi::AiBot::Personas::Persona.all(user: user).last
expect(last_persona.name).not_to eq("zzzpun_bot2")
persona.update!(enabled: true)
# no groups have access
persona.update!(allowed_group_ids: [])
last_persona = DiscourseAi::AiBot::Personas::Persona.all(user: user).last
expect(last_persona.name).not_to eq("zzzpun_bot2")
end
end
describe "available personas" do
it "includes all personas by default" do
Group.refresh_automatic_groups!
# must be enabled to see it
SiteSetting.ai_stability_api_key = "abc"
SiteSetting.ai_google_custom_search_api_key = "abc"
SiteSetting.ai_google_custom_search_cx = "abc123"
# should be ordered by priority and then alpha
expect(DiscourseAi::AiBot::Personas::Persona.all(user: user)).to eq(
[
DiscourseAi::AiBot::Personas::General,
DiscourseAi::AiBot::Personas::Artist,
DiscourseAi::AiBot::Personas::Creative,
DiscourseAi::AiBot::Personas::DiscourseHelper,
DiscourseAi::AiBot::Personas::GithubHelper,
DiscourseAi::AiBot::Personas::Researcher,
DiscourseAi::AiBot::Personas::SettingsExplorer,
DiscourseAi::AiBot::Personas::SqlHelper,
],
)
# omits personas if key is missing
SiteSetting.ai_stability_api_key = ""
SiteSetting.ai_google_custom_search_api_key = ""
expect(DiscourseAi::AiBot::Personas::Persona.all(user: user)).to contain_exactly(
DiscourseAi::AiBot::Personas::General,
DiscourseAi::AiBot::Personas::SqlHelper,
DiscourseAi::AiBot::Personas::SettingsExplorer,
DiscourseAi::AiBot::Personas::Creative,
DiscourseAi::AiBot::Personas::DiscourseHelper,
DiscourseAi::AiBot::Personas::GithubHelper,
)
AiPersona.find(
DiscourseAi::AiBot::Personas::Persona.system_personas[
DiscourseAi::AiBot::Personas::General
],
).update!(enabled: false)
expect(DiscourseAi::AiBot::Personas::Persona.all(user: user)).to contain_exactly(
DiscourseAi::AiBot::Personas::SqlHelper,
DiscourseAi::AiBot::Personas::SettingsExplorer,
DiscourseAi::AiBot::Personas::Creative,
DiscourseAi::AiBot::Personas::DiscourseHelper,
DiscourseAi::AiBot::Personas::GithubHelper,
)
end
end
describe "#craft_prompt" do
before do
Group.refresh_automatic_groups!
SiteSetting.ai_embeddings_discourse_service_api_endpoint = "http://test.com"
SiteSetting.ai_embeddings_enabled = true
end
let(:ai_persona) { DiscourseAi::AiBot::Personas::Persona.all(user: user).first.new }
let(:with_cc) do
context.merge(conversation_context: [{ content: "Tell me the time", type: :user }])
end
context "when a persona has no uploads" do
it "doesn't include RAG guidance" do
guidance_fragment =
"The following texts will give you additional guidance to elaborate a response."
expect(ai_persona.craft_prompt(with_cc).messages.first[:content]).not_to include(
guidance_fragment,
)
end
end
context "when a persona has RAG uploads" do
fab!(:upload)
def stub_fragments(limit)
candidate_ids = []
limit.times do |i|
candidate_ids << Fabricate(
:rag_document_fragment,
fragment: "fragment-n#{i}",
ai_persona_id: ai_persona.id,
upload: upload,
).id
end
DiscourseAi::Embeddings::VectorRepresentations::BgeLargeEn
.any_instance
.expects(:asymmetric_rag_fragment_similarity_search)
.returns(candidate_ids)
end
before do
stored_ai_persona = AiPersona.find(ai_persona.id)
UploadReference.ensure_exist!(target: stored_ai_persona, upload_ids: [upload.id])
context_embedding = [0.049382, 0.9999]
EmbeddingsGenerationStubs.discourse_service(
SiteSetting.ai_embeddings_model,
with_cc.dig(:conversation_context, 0, :content),
context_embedding,
)
end
context "when the system prompt has an uploads placeholder" do
before { stub_fragments(10) }
it "replaces the placeholder with the fragments" do
custom_persona_record =
AiPersona.create!(
name: "custom",
description: "description",
system_prompt: "instructions\n{uploads}\nmore instructions",
allowed_group_ids: [Group::AUTO_GROUPS[:trust_level_0]],
)
UploadReference.ensure_exist!(target: custom_persona_record, upload_ids: [upload.id])
custom_persona =
DiscourseAi::AiBot::Personas::Persona.find_by(
id: custom_persona_record.id,
user: user,
).new
crafted_system_prompt = custom_persona.craft_prompt(with_cc).messages.first[:content]
expect(crafted_system_prompt).to include("fragment-n0")
expect(crafted_system_prompt.ends_with?("</guidance>")).to eq(false)
end
end
context "when the reranker is available" do
before do
SiteSetting.ai_hugging_face_tei_reranker_endpoint = "https://test.reranker.com"
stub_fragments(15) # Mimic limit being more than 10 results
end
it "uses the re-ranker to reorder the fragments and pick the top 10 candidates" do
expected_reranked = (0..14).to_a.reverse.map { |idx| { index: idx } }
WebMock.stub_request(:post, "https://test.reranker.com/rerank").to_return(
status: 200,
body: JSON.dump(expected_reranked),
)
crafted_system_prompt = ai_persona.craft_prompt(with_cc).messages.first[:content]
expect(crafted_system_prompt).to include("fragment-n14")
expect(crafted_system_prompt).to include("fragment-n13")
expect(crafted_system_prompt).to include("fragment-n12")
expect(crafted_system_prompt).not_to include("fragment-n4") # Fragment #11 not included
end
end
context "when the reranker is not available" do
before { stub_fragments(10) }
it "picks the first 10 candidates from the similarity search" do
crafted_system_prompt = ai_persona.craft_prompt(with_cc).messages.first[:content]
expect(crafted_system_prompt).to include("fragment-n0")
expect(crafted_system_prompt).to include("fragment-n1")
expect(crafted_system_prompt).to include("fragment-n2")
expect(crafted_system_prompt).not_to include("fragment-n10") # Fragment #10 not included
end
end
end
end
end