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ef2f6bd681
* Split DynamicPromptBuilder * Add release note * Julian PR feedback * dynamicchatbuilder lg upd * dynamicpromptbuilder lg upd --------- Co-authored-by: Daria Fokina <daria.fokina@deepset.ai>
93 lines
4.1 KiB
Python
93 lines
4.1 KiB
Python
from typing import List
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import pytest
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from haystack.components.builders import DynamicChatPromptBuilder
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from haystack.dataclasses import ChatMessage
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class TestDynamicChatPromptBuilder:
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def test_initialization(self):
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runtime_variables = ["var1", "var2", "var3"]
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builder = DynamicChatPromptBuilder(runtime_variables)
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assert builder.runtime_variables == runtime_variables
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# we have inputs that contain: prompt_source, template_variables + runtime_variables
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expected_keys = set(runtime_variables + ["prompt_source", "template_variables"])
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assert set(builder.__canals_input__.keys()) == expected_keys
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# response is always prompt regardless of chat mode
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assert set(builder.__canals_output__.keys()) == {"prompt"}
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# prompt_source is a list of ChatMessage
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assert builder.__canals_input__["prompt_source"].type == List[ChatMessage]
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# output is always prompt, but the type is different depending on the chat mode
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assert builder.__canals_output__["prompt"].type == List[ChatMessage]
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def test_non_empty_chat_messages(self):
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prompt_builder = DynamicChatPromptBuilder(runtime_variables=["documents"])
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prompt_source = [ChatMessage.from_system(content="Hello"), ChatMessage.from_user(content="Hello, {{ who }}!")]
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template_variables = {"who": "World"}
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result = prompt_builder.run(prompt_source, template_variables)
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assert result == {
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"prompt": [ChatMessage.from_system(content="Hello"), ChatMessage.from_user(content="Hello, World!")]
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}
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def test_single_chat_message(self):
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prompt_builder = DynamicChatPromptBuilder(runtime_variables=["documents"])
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prompt_source = [ChatMessage.from_user(content="Hello, {{ who }}!")]
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template_variables = {"who": "World"}
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result = prompt_builder._process_chat_messages(prompt_source, template_variables)
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assert result == [ChatMessage.from_user(content="Hello, World!")]
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def test_empty_chat_message_list(self):
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prompt_builder = DynamicChatPromptBuilder(runtime_variables=["documents"])
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with pytest.raises(ValueError):
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prompt_builder._process_chat_messages(prompt_source=[], template_variables={})
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def test_chat_message_list_with_mixed_object_list(self):
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prompt_builder = DynamicChatPromptBuilder(runtime_variables=["documents"])
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with pytest.raises(ValueError):
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prompt_builder._process_chat_messages(
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prompt_source=[ChatMessage.from_user("Hello"), "there world"], template_variables={}
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)
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def test_chat_message_list_with_missing_variables(self):
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prompt_builder = DynamicChatPromptBuilder(runtime_variables=["documents"])
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prompt_source = [ChatMessage.from_user(content="Hello, {{ who }}!")]
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# Call the _process_chat_messages method and expect a ValueError
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with pytest.raises(ValueError):
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prompt_builder._process_chat_messages(prompt_source, template_variables={})
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def test_missing_template_variables(self):
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prompt_builder = DynamicChatPromptBuilder(runtime_variables=["documents"])
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# missing template variable city
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with pytest.raises(ValueError):
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prompt_builder._validate_template("Hello, I'm {{ name }}, and I live in {{ city }}.", {"name"})
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# missing template variable name
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with pytest.raises(ValueError):
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prompt_builder._validate_template("Hello, I'm {{ name }}, and I live in {{ city }}.", {"city"})
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# completely unknown template variable
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with pytest.raises(ValueError):
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prompt_builder._validate_template("Hello, I'm {{ name }}, and I live in {{ city }}.", {"age"})
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def test_provided_template_variables(self):
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prompt_builder = DynamicChatPromptBuilder(runtime_variables=["documents"])
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# both variables are provided
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prompt_builder._validate_template("Hello, I'm {{ name }}, and I live in {{ city }}.", {"name", "city"})
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# provided variables are a superset of the required variables
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prompt_builder._validate_template("Hello, I'm {{ name }}, and I live in {{ city }}.", {"name", "city", "age"})
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