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from types import SimpleNamespace
import pytest
from agent_action_tools import (
build_openai_tools,
parse_tool_invocation,
tool_invocation_to_action,
)
from ppt_agent.inference import (
SYSTEM_PROMPT,
_planning_payload,
_validate_tool_choice,
choose_action,
)
def _observation(**overrides):
payload = {
"task_name": "sample_task",
"difficulty": "easy",
"task_prompt": "Create a 3-slide executive summary.",
"source_context": "[Doc]\nRevenue grew 12% year over year.",
"prompt_summary": "Create a 3-slide executive summary.",
"slide_count": 1,
"last_action_error": None,
"last_action_result": None,
"score": 0.0,
"metadata": {
"current_theme": {"accent": "#2563EB", "font": "Aptos"},
"known_named_shapes_by_slide": {},
"slide_constraints": {"min_slides": 3, "max_slides": 3},
"default_save_path": "outputs/sample_task_episode.pptx",
"max_steps": 8,
"step_count": 0,
},
}
payload.update(overrides)
return SimpleNamespace(**payload)
def test_tool_invocation_to_action_builds_create_slide_payload_directly():
invocation = parse_tool_invocation(
"create_slide",
{
"background_color": "<surface>",
"shapes": [
{
"type": "text",
"name": "title",
"text": "Growth remains resilient",
"x": 0.8,
"y": 0.8,
"w": 5.0,
"h": 0.8,
"style": {
"font_name": "<font>",
"font_size_pt": "<title_size>",
"color_hex": "<primary>",
"bold": True,
"word_wrap": True,
"space_after_pt": 6,
"line_spacing": 1.2,
},
}
],
},
)
action = tool_invocation_to_action(invocation, default_save_path="outputs/out.pptx")
assert action.action_type == "create_slide"
assert action.slide_index is None
assert action.payload["background_color"] == "<surface>"
assert action.payload["shapes"][0]["type"] == "text"
assert action.payload["shapes"][0]["style"]["font_size_pt"] == "<title_size>"
assert action.payload["shapes"][0]["style"]["word_wrap"] is True
assert action.payload["shapes"][0]["style"]["space_after_pt"] == 6
def test_parse_tool_invocation_rejects_invalid_text_style_alias_keys():
with pytest.raises(Exception):
parse_tool_invocation(
"create_slide",
{
"shapes": [
{
"type": "text",
"text": "Growth remains resilient",
"x": 0.8,
"y": 0.8,
"w": 5.0,
"h": 0.8,
"style": {"color": "<primary>", "font_size": 24},
}
]
},
)
def test_parse_tool_invocation_accepts_compact_alias_fields():
invocation = parse_tool_invocation(
"update_slide",
{
"si": 2,
"bg": "<surface>",
"add": [
{
"type": "chart",
"name": "revenue_chart",
"ct": "bar_clustered",
"cd": {"categories": ["Q1", "Q2"], "series": []},
"x": 0.7,
"y": 1.4,
"w": 5.4,
"h": 3.0,
}
],
"upd": [{"type": "text", "id": 11, "text": "Updated title"}],
"del": [12],
},
)
action = tool_invocation_to_action(invocation, default_save_path="outputs/out.pptx")
assert action.action_type == "update_slide"
assert action.slide_index == 2
assert action.payload == {
"background_color": "<surface>",
"delete_shape_ids": [12],
"add_shapes": [
{
"type": "chart",
"name": "revenue_chart",
"chart_type": "bar_clustered",
"chart_data": {"categories": ["Q1", "Q2"], "series": []},
"x": 0.7,
"y": 1.4,
"w": 5.4,
"h": 3.0,
}
],
"update_shapes": [{"type": "text", "shape_id": 11, "text": "Updated title"}],
}
def test_validate_tool_choice_blocks_early_save():
observation = _observation(slide_count=2)
invocation = parse_tool_invocation(
"save_presentation", {"path": "outputs/out.pptx"}
)
with pytest.raises(ValueError, match="cannot save"):
_validate_tool_choice(invocation, observation)
def test_tool_invocation_to_action_builds_set_theme_payload_directly():
invocation = parse_tool_invocation(
"set_theme",
{
"accent": "#112233",
"font": "Inter",
"title_size": 30,
},
)
action = tool_invocation_to_action(invocation, default_save_path="outputs/out.pptx")
assert action.action_type == "set_theme"
assert action.payload == {
"accent": "#112233",
"font": "Inter",
"title_size": 30,
}
def test_parse_tool_invocation_rejects_removed_layout_index_field():
with pytest.raises(Exception):
parse_tool_invocation("create_slide", {"layout_index": 6, "shapes": []})
def test_parse_tool_invocation_rejects_removed_citation_shape_type():
with pytest.raises(Exception):
parse_tool_invocation(
"create_slide",
{
"shapes": [
{
"type": "citation",
"text": "Source: quarterly report",
}
]
},
)
def test_planning_payload_uses_observation_planning_metadata():
history = [
{
"tool_name": "create_slide",
"arguments": {"background_color": "<surface>", "shapes": []},
"slide_index": 1,
"tool_result": {"named_shapes": {"title": 11, "accent": 12}},
"error": None,
},
{
"tool_name": "update_slide",
"arguments": {"slide_index": 1, "update_shapes": []},
"slide_index": 1,
"tool_result": {
"named_shapes": {"body": 13},
"deleted_shape_ids": [12],
},
"error": None,
},
]
observation = _observation(
metadata={
"current_theme": {"accent": "#2563EB", "font": "Aptos"},
"known_named_shapes_by_slide": {1: {"title": 11, "body": 13}},
"slide_constraints": {"min_slides": 3, "max_slides": 3},
"default_save_path": "outputs/sample_task_episode.pptx",
"max_steps": 8,
"step_count": 2,
}
)
prompt = _planning_payload(observation, history)
assert prompt["recent_actions"][0]["tool_name"] == "create_slide"
assert prompt["known_named_shapes_by_slide"][1] == {"title": 11, "body": 13}
assert prompt["current_theme"] == {
"accent": "#2563EB",
"font": "Aptos",
}
assert prompt["slide_constraints"] == {
"min_slides": 3,
"max_slides": 3,
}
assert prompt["default_save_path"] == "outputs/sample_task_episode.pptx"
assert prompt["remaining_steps"] == 6
assert "task_name" not in prompt
assert "difficulty" not in prompt
assert "prompt_summary" not in prompt
assert "requirements" not in prompt
def test_system_prompt_warns_against_old_macro_dsl_fields():
assert "background -> use the schema field, not legacy DSL keys" in SYSTEM_PROMPT
assert "type: title/body -> use type: text" in SYSTEM_PROMPT
assert '"font_size_pt"' in SYSTEM_PROMPT
assert "set_theme" in SYSTEM_PROMPT
def test_build_openai_tools_exposes_compact_tool_schema():
tools = {
tool["function"]["name"]: tool["function"] for tool in build_openai_tools()
}
create_slide = tools["create_slide"]
update_slide = tools["update_slide"]
assert "title" not in create_slide["parameters"]
assert "default" not in json.dumps(create_slide["parameters"])
assert create_slide["parameters"]["properties"]["bg"]["type"] == "string"
assert update_slide["parameters"]["required"] == ["si"]
def test_choose_action_uses_tool_call_and_returns_agent_action():
class FakeCompletions:
def __init__(self):
self.calls = []
def create(self, **kwargs):
self.calls.append(kwargs)
return SimpleNamespace(
choices=[
SimpleNamespace(
message=SimpleNamespace(
tool_calls=[
SimpleNamespace(
function=SimpleNamespace(
name="create_slide",
arguments=json.dumps(
{
"background_color": "<surface>",
"shapes": [
{
"type": "text",
"name": "title",
"text": "Growth outlook",
"x": 0.8,
"y": 0.8,
"w": 4.5,
"h": 0.7,
}
],
}
),
)
)
],
content=None,
)
)
]
)
completions = FakeCompletions()
client = SimpleNamespace(chat=SimpleNamespace(completions=completions))
action, action_str, invocation = choose_action(
client, _observation(slide_count=0), []
)
assert invocation.tool_name == "create_slide"
assert action.action_type == "create_slide"
assert action.payload["shapes"][0]["text"] == "Growth outlook"
assert json.loads(action_str)["action_type"] == "create_slide"
assert completions.calls[0]["tool_choice"] == "required"
assert completions.calls[0]["tools"]
def test_choose_action_does_not_retry_after_error():
class FakeCompletions:
def __init__(self):
self.calls = []
def create(self, **kwargs):
self.calls.append(kwargs)
return SimpleNamespace(
choices=[
SimpleNamespace(
message=SimpleNamespace(
tool_calls=[
SimpleNamespace(
function=SimpleNamespace(
name="save_presentation",
arguments=json.dumps(
{"path": "outputs/out.pptx"}
),
)
)
],
content=None,
)
)
]
)
completions = FakeCompletions()
client = SimpleNamespace(chat=SimpleNamespace(completions=completions))
with pytest.raises(ValueError, match="cannot save"):
choose_action(client, _observation(slide_count=0), [])
assert len(completions.calls) == 1
def test_choose_action_requires_structured_tool_calls():
class FakeCompletions:
def create(self, **kwargs):
return SimpleNamespace(
choices=[
SimpleNamespace(
message=SimpleNamespace(
tool_calls=[], content='{"tool_name":"create_slide"}'
)
)
]
)
client = SimpleNamespace(chat=SimpleNamespace(completions=FakeCompletions()))
with pytest.raises(ValueError, match="exactly one tool call"):
choose_action(client, _observation(slide_count=0), [])
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