91 lines
3.0 KiB
Python
91 lines
3.0 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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"""Tests for the session init-image persistence helper."""
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from __future__ import annotations
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import base64
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import io
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import os
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import pytest
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from PIL import Image
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from fastvideo.entrypoints.streaming.session_init_image import (
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persist_session_init_image,
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)
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def _png_bytes(size: tuple[int, int] = (64, 64)) -> bytes:
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buffer = io.BytesIO()
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Image.new("RGB", size, color=(10, 20, 30)).save(buffer, format="PNG")
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return buffer.getvalue()
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class TestPersistSessionInitImage:
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def test_none_payload_returns_none(self):
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assert persist_session_init_image(None) is None
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assert persist_session_init_image({}) is None
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def test_non_object_payload_rejected(self):
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with pytest.raises(ValueError):
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persist_session_init_image("not-a-dict")
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def test_png_payload_persists(self, tmp_path):
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data = _png_bytes()
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image = persist_session_init_image({
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"mime": "image/png",
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"name": "ref.png",
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"data": base64.b64encode(data).decode("ascii"),
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}, output_dir=str(tmp_path))
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assert image is not None
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assert os.path.exists(image.path)
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assert image.mime == "image/png"
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assert image.path.endswith(".png")
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with open(image.path, "rb") as f:
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assert f.read() == data
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def test_unknown_mime_rejected(self, tmp_path):
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with pytest.raises(ValueError, match="mime"):
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persist_session_init_image({
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"mime": "image/bmp",
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"data": "ignored",
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}, output_dir=str(tmp_path))
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def test_bad_base64_rejected(self, tmp_path):
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with pytest.raises(ValueError, match="base64"):
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persist_session_init_image({
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"mime": "image/png",
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"data": "not!base64!",
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}, output_dir=str(tmp_path))
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def test_empty_data_rejected(self, tmp_path):
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with pytest.raises(ValueError, match="empty"):
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persist_session_init_image({
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"mime": "image/png",
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"data": "",
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}, output_dir=str(tmp_path))
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def test_display_name_sanitized(self, tmp_path):
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image = persist_session_init_image({
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"mime": "image/png",
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"name": "../evil/../name.png",
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"data": base64.b64encode(_png_bytes()).decode("ascii"),
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}, output_dir=str(tmp_path))
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assert image is not None
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assert image.display_name == "name.png"
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def test_oversize_rejected(self, tmp_path):
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from fastvideo.entrypoints.streaming import session_init_image as mod
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original = mod._MAX_IMAGE_BYTES
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mod._MAX_IMAGE_BYTES = 100
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try:
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with pytest.raises(ValueError, match="limit"):
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persist_session_init_image({
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"mime": "image/png",
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"data": base64.b64encode(_png_bytes((512, 512))).decode(
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"ascii"),
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}, output_dir=str(tmp_path))
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finally:
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mod._MAX_IMAGE_BYTES = original
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