haystack/test/components/builders/test_prompt_builder.py

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import pytest
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from haystack.components.builders.prompt_builder import PromptBuilder
def test_init():
builder = PromptBuilder(template="This is a {{ variable }}")
assert builder._template_string == "This is a {{ variable }}"
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def test_to_dict():
builder = PromptBuilder(template="This is a {{ variable }}")
res = builder.to_dict()
assert res == {
"type": "haystack.components.builders.prompt_builder.PromptBuilder",
"init_parameters": {"template": "This is a {{ variable }}"},
}
def test_run():
builder = PromptBuilder(template="This is a {{ variable }}")
res = builder.run(variable="test")
assert res == {"prompt": "This is a test"}
def test_run_without_input():
builder = PromptBuilder(template="This is a template without input")
res = builder.run()
assert res == {"prompt": "This is a template without input"}
def test_run_with_missing_input():
builder = PromptBuilder(template="This is a {{ variable }}")
res = builder.run()
assert res == {"prompt": "This is a "}