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tests: expand blank-pdf literal and boundary coverage
- Add full sync+async unit parametrization for blank_pdf page-size/page-orientation literals across all standard sizes. - Add explicit boundary tests for page_count (min/max success and below/above range validation) and custom dimension validation for non-positive values. Assisted-by: Codex
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‎tests/test_blank_pdf.py‎

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from .graphics_test_helpers import ASYNC_API_KEY, VALID_API_KEY, build_file_info_payload
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@pytest.mark.parametrize(
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"page_size",
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[
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pytest.param("letter", id="letter"),
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pytest.param("legal", id="legal"),
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pytest.param("ledger", id="ledger"),
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pytest.param("A3", id="a3"),
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pytest.param("A4", id="a4"),
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pytest.param("A5", id="a5"),
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],
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)
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@pytest.mark.parametrize(
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"page_orientation",
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[
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pytest.param("portrait", id="portrait"),
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pytest.param("landscape", id="landscape"),
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],
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)
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def test_blank_pdf_standard_page_literals(
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monkeypatch: pytest.MonkeyPatch,
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page_size: str,
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page_orientation: str,
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) -> None:
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monkeypatch.delenv("PDFREST_API_KEY", raising=False)
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output_id = str(PdfRestFileID.generate())
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payload_dump = PdfBlankPayload.model_validate(
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{
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"page_size": page_size,
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"page_count": 1,
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"page_orientation": page_orientation,
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}
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).model_dump(mode="json", by_alias=True, exclude_none=True, exclude_unset=True)
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seen: dict[str, int] = {"post": 0, "get": 0}
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def handler(request: httpx.Request) -> httpx.Response:
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if request.method == "POST" and request.url.path == "/blank-pdf":
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seen["post"] += 1
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payload = json.loads(request.content.decode("utf-8"))
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assert payload == payload_dump
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return httpx.Response(200, json={"outputId": [output_id]})
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if request.method == "GET" and request.url.path == f"/resource/{output_id}":
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seen["get"] += 1
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return httpx.Response(
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200,
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json=build_file_info_payload(
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output_id,
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"blank.pdf",
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"application/pdf",
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),
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)
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msg = f"Unexpected request {request.method} {request.url}"
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raise AssertionError(msg)
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transport = httpx.MockTransport(handler)
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with PdfRestClient(api_key=VALID_API_KEY, transport=transport) as client:
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response = client.blank_pdf(
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page_size=page_size,
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page_count=1,
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page_orientation=page_orientation,
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)
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assert seen == {"post": 1, "get": 1}
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assert isinstance(response, PdfRestFileBasedResponse)
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assert response.output_file.type == "application/pdf"
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@pytest.mark.asyncio
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@pytest.mark.parametrize(
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"page_size",
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[
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pytest.param("letter", id="letter"),
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pytest.param("legal", id="legal"),
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pytest.param("ledger", id="ledger"),
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pytest.param("A3", id="a3"),
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pytest.param("A4", id="a4"),
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pytest.param("A5", id="a5"),
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],
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)
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@pytest.mark.parametrize(
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"page_orientation",
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[
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pytest.param("portrait", id="portrait"),
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pytest.param("landscape", id="landscape"),
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],
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)
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async def test_async_blank_pdf_standard_page_literals(
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monkeypatch: pytest.MonkeyPatch,
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page_size: str,
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page_orientation: str,
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) -> None:
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monkeypatch.delenv("PDFREST_API_KEY", raising=False)
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output_id = str(PdfRestFileID.generate())
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payload_dump = PdfBlankPayload.model_validate(
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{
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"page_size": page_size,
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"page_count": 1,
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"page_orientation": page_orientation,
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}
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).model_dump(mode="json", by_alias=True, exclude_none=True, exclude_unset=True)
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seen: dict[str, int] = {"post": 0, "get": 0}
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def handler(request: httpx.Request) -> httpx.Response:
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if request.method == "POST" and request.url.path == "/blank-pdf":
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seen["post"] += 1
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payload = json.loads(request.content.decode("utf-8"))
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assert payload == payload_dump
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return httpx.Response(200, json={"outputId": [output_id]})
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if request.method == "GET" and request.url.path == f"/resource/{output_id}":
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seen["get"] += 1
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return httpx.Response(
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200,
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json=build_file_info_payload(
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output_id,
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"blank.pdf",
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"application/pdf",
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),
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)
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msg = f"Unexpected request {request.method} {request.url}"
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raise AssertionError(msg)
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transport = httpx.MockTransport(handler)
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async with AsyncPdfRestClient(api_key=ASYNC_API_KEY, transport=transport) as client:
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response = await client.blank_pdf(
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page_size=page_size,
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page_count=1,
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page_orientation=page_orientation,
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)
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assert seen == {"post": 1, "get": 1}
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assert isinstance(response, PdfRestFileBasedResponse)
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assert response.output_file.type == "application/pdf"
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@pytest.mark.parametrize(
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"page_count",
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[
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pytest.param(1, id="min-page-count"),
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pytest.param(1000, id="max-page-count"),
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],
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)
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def test_blank_pdf_page_count_boundaries_success(
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monkeypatch: pytest.MonkeyPatch,
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page_count: int,
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) -> None:
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monkeypatch.delenv("PDFREST_API_KEY", raising=False)
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output_id = str(PdfRestFileID.generate())
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seen: dict[str, int] = {"post": 0, "get": 0}
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def handler(request: httpx.Request) -> httpx.Response:
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if request.method == "POST" and request.url.path == "/blank-pdf":
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seen["post"] += 1
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payload = json.loads(request.content.decode("utf-8"))
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assert payload["page_count"] == page_count
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return httpx.Response(200, json={"outputId": [output_id]})
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if request.method == "GET" and request.url.path == f"/resource/{output_id}":
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seen["get"] += 1
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return httpx.Response(
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200,
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json=build_file_info_payload(
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output_id,
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"blank.pdf",
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"application/pdf",
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),
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)
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msg = f"Unexpected request {request.method} {request.url}"
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raise AssertionError(msg)
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transport = httpx.MockTransport(handler)
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with PdfRestClient(api_key=VALID_API_KEY, transport=transport) as client:
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response = client.blank_pdf(
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page_size="letter",
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page_count=page_count,
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page_orientation="portrait",
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)
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assert isinstance(response, PdfRestFileBasedResponse)
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assert seen == {"post": 1, "get": 1}
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@pytest.mark.asyncio
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@pytest.mark.parametrize(
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"page_count",
203+
[
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pytest.param(1, id="min-page-count"),
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pytest.param(1000, id="max-page-count"),
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],
207+
)
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async def test_async_blank_pdf_page_count_boundaries_success(
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monkeypatch: pytest.MonkeyPatch,
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page_count: int,
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) -> None:
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monkeypatch.delenv("PDFREST_API_KEY", raising=False)
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output_id = str(PdfRestFileID.generate())
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seen: dict[str, int] = {"post": 0, "get": 0}
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def handler(request: httpx.Request) -> httpx.Response:
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if request.method == "POST" and request.url.path == "/blank-pdf":
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seen["post"] += 1
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payload = json.loads(request.content.decode("utf-8"))
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assert payload["page_count"] == page_count
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return httpx.Response(200, json={"outputId": [output_id]})
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if request.method == "GET" and request.url.path == f"/resource/{output_id}":
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seen["get"] += 1
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return httpx.Response(
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200,
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json=build_file_info_payload(
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output_id,
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"blank.pdf",
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"application/pdf",
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),
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)
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msg = f"Unexpected request {request.method} {request.url}"
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raise AssertionError(msg)
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transport = httpx.MockTransport(handler)
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async with AsyncPdfRestClient(api_key=ASYNC_API_KEY, transport=transport) as client:
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response = await client.blank_pdf(
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page_size="letter",
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page_count=page_count,
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page_orientation="portrait",
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)
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assert isinstance(response, PdfRestFileBasedResponse)
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assert seen == {"post": 1, "get": 1}
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@pytest.mark.parametrize(
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("page_count", "match"),
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[
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pytest.param(0, "greater than or equal to 1", id="below-min"),
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pytest.param(1001, "less than or equal to 1000", id="above-max"),
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],
254+
)
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def test_blank_pdf_page_count_boundaries_validation(
256+
monkeypatch: pytest.MonkeyPatch,
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page_count: int,
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match: str,
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) -> None:
260+
monkeypatch.delenv("PDFREST_API_KEY", raising=False)
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transport = httpx.MockTransport(lambda request: (_ for _ in ()).throw(RuntimeError))
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with (
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PdfRestClient(api_key=VALID_API_KEY, transport=transport) as client,
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pytest.raises(ValidationError, match=match),
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):
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client.blank_pdf(
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page_size="A4",
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page_count=page_count,
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page_orientation="portrait",
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)
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@pytest.mark.asyncio
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@pytest.mark.parametrize(
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("page_count", "match"),
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[
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pytest.param(0, "greater than or equal to 1", id="below-min"),
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pytest.param(1001, "less than or equal to 1000", id="above-max"),
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],
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)
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async def test_async_blank_pdf_page_count_boundaries_validation(
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monkeypatch: pytest.MonkeyPatch,
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page_count: int,
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match: str,
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) -> None:
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monkeypatch.delenv("PDFREST_API_KEY", raising=False)
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transport = httpx.MockTransport(lambda request: (_ for _ in ()).throw(RuntimeError))
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async with AsyncPdfRestClient(api_key=ASYNC_API_KEY, transport=transport) as client:
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with pytest.raises(ValidationError, match=match):
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await client.blank_pdf(
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page_size="A4",
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page_count=page_count,
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page_orientation="portrait",
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)
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@pytest.mark.parametrize(
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("custom_height", "custom_width", "match"),
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[
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pytest.param(0.0, 10.0, "greater than 0", id="height-zero"),
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pytest.param(-1.0, 10.0, "greater than 0", id="height-negative"),
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pytest.param(10.0, 0.0, "greater than 0", id="width-zero"),
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pytest.param(10.0, -1.0, "greater than 0", id="width-negative"),
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],
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)
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def test_blank_pdf_custom_dimensions_validation(
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monkeypatch: pytest.MonkeyPatch,
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custom_height: float,
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custom_width: float,
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match: str,
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) -> None:
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monkeypatch.delenv("PDFREST_API_KEY", raising=False)
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transport = httpx.MockTransport(lambda request: (_ for _ in ()).throw(RuntimeError))
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with (
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PdfRestClient(api_key=VALID_API_KEY, transport=transport) as client,
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pytest.raises(ValidationError, match=match),
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):
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client.blank_pdf(
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page_size="custom",
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page_count=1,
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custom_height=custom_height,
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custom_width=custom_width,
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)
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@pytest.mark.asyncio
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@pytest.mark.parametrize(
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("custom_height", "custom_width", "match"),
332+
[
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pytest.param(0.0, 10.0, "greater than 0", id="height-zero"),
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pytest.param(-1.0, 10.0, "greater than 0", id="height-negative"),
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pytest.param(10.0, 0.0, "greater than 0", id="width-zero"),
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pytest.param(10.0, -1.0, "greater than 0", id="width-negative"),
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],
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)
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async def test_async_blank_pdf_custom_dimensions_validation(
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monkeypatch: pytest.MonkeyPatch,
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custom_height: float,
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custom_width: float,
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match: str,
344+
) -> None:
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monkeypatch.delenv("PDFREST_API_KEY", raising=False)
346+
transport = httpx.MockTransport(lambda request: (_ for _ in ()).throw(RuntimeError))
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async with AsyncPdfRestClient(api_key=ASYNC_API_KEY, transport=transport) as client:
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with pytest.raises(ValidationError, match=match):
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await client.blank_pdf(
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page_size="custom",
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page_count=1,
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custom_height=custom_height,
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custom_width=custom_width,
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)
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def test_blank_pdf_success(monkeypatch: pytest.MonkeyPatch) -> None:
17359
monkeypatch.delenv("PDFREST_API_KEY", raising=False)
18360
output_id = str(PdfRestFileID.generate())

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