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beaver-gateway/tests/test_markdown_renderer.py
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Python

from anthropic.types import Message, TextBlock, ThinkingBlock, ToolUseBlock, Usage
from beaver_gateway.frontends.markdown import renderer
def _message(*blocks: object) -> Message:
return Message(
id="m",
type="message",
role="assistant",
model="x",
content=list(blocks), # type: ignore[arg-type]
stop_reason="end_turn",
stop_sequence=None,
usage=Usage(input_tokens=1, output_tokens=1),
)
def test_tool_calls_leave_no_blank_lines() -> None:
message = _message(
TextBlock(type="text", text="first"),
ToolUseBlock(type="tool_use", id="t1", name="Bash", input={"command": "ls"}),
ToolUseBlock(type="tool_use", id="t2", name="Read", input={"file_path": "x"}),
ToolUseBlock(type="tool_use", id="t3", name="Grep", input={"pattern": "y"}),
TextBlock(type="text", text="second"),
)
assert renderer.render_assistant_message(message) == (
"### Assistant:\n\nfirst\n\nsecond\n"
)
def test_thinking_renders_as_collapsed_callout() -> None:
message = _message(
ThinkingBlock(type="thinking", thinking="a\nb", signature="s"),
TextBlock(type="text", text="answer"),
)
assert renderer.render_assistant_message(message) == (
"### Assistant:\n\n> [!thinking]-\n> a\n> b\n\nanswer\n"
)
def test_thinking_between_hidden_tool_calls_collapses_to_the_first() -> None:
message = _message(
ThinkingBlock(type="thinking", thinking="one", signature="s"),
ToolUseBlock(type="tool_use", id="t1", name="Read", input={}),
ThinkingBlock(type="thinking", thinking="two", signature="s"),
ToolUseBlock(type="tool_use", id="t2", name="Read", input={}),
ThinkingBlock(type="thinking", thinking="three", signature="s"),
TextBlock(type="text", text="answer"),
ThinkingBlock(type="thinking", thinking="four", signature="s"),
TextBlock(type="text", text="more"),
)
assert renderer.render_assistant_message(message) == (
"### Assistant:\n\n> [!thinking]-\n> one\n\nanswer\n\n"
"> [!thinking]-\n> four\n\nmore\n"
)
def test_user_scaffold_matches_rendered_user_turn_shape() -> None:
body = renderer.append_to_body("### Assistant:\n\nhi\n", renderer.USER_SCAFFOLD)
assert body.endswith("\n\n---\n\n### User:\n\n")
assert renderer.render_user_text("q").startswith("### User:\n\n")