101 lines
5.8 KiB
Python
101 lines
5.8 KiB
Python
"""Verify isolated window capture without exposing host desktop content.
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FERESE_TEST_WINDOW_CAPTURE=1 python3 scripts/tests/test_window_capture_isolated.py
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Requires built debug binaries, a Wayland host, cc, wayland-scanner and Pillow.
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"""
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import io
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import json
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import os
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from pathlib import Path
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import signal
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import subprocess
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import tempfile
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import time
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import unittest
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REPO = Path(__file__).resolve().parents[2]
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@unittest.skipUnless(os.environ.get("FERESE_TEST_WINDOW_CAPTURE") == "1", "requires a Wayland host")
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class WindowCapture(unittest.TestCase):
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def test_occluding_window_does_not_appear_and_rows_keep_orientation(self):
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from PIL import Image
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processes = []
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with tempfile.TemporaryDirectory(prefix="ferese-window-capture-") as directory:
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root = Path(directory)
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protocols = subprocess.check_output(["pkg-config", "--variable=pkgdatadir", "wayland-protocols"], text=True).strip()
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xml = str(Path(protocols) / "stable/xdg-shell/xdg-shell.xml")
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for kind, output in [("client-header", "xdg-shell-client-protocol.h"), ("private-code", "xdg-shell-protocol.c")]:
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subprocess.run(["wayland-scanner", kind, xml, str(root / output)], check=True)
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flags = subprocess.check_output(["pkg-config", "--cflags", "--libs", "wayland-client"], text=True).split()
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subprocess.run(["cc", "-Wall", "-Wextra", "-I", str(root), str(REPO / "scripts/tests/fixtures/window-capture.c"),
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str(root / "xdg-shell-protocol.c"), "-o", str(root / "client"), *flags], check=True)
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runtime = root / "runtime"
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runtime.mkdir(mode=0o700)
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config = root / "config/ferese/config.kdl"
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config.parent.mkdir(parents=True)
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config.write_text('window-rule app-id="ferese.test.window-capture" floating=#true\n')
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# Remembered geometry deliberately places both clients together;
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# ordinary placement now avoids overlap. Keep host state isolated.
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state = root / "state/ferese"
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state.mkdir(parents=True)
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(state / "floating.json").write_text(json.dumps({
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"ferese.test.window-capture": {
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"output": "ferese-winit", "fractions": [.1, .1, .4, .4],
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},
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}))
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display = Path(os.environ["WAYLAND_DISPLAY"])
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if not display.is_absolute():
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display = Path(os.environ["XDG_RUNTIME_DIR"]) / display
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env = dict(os.environ, XDG_RUNTIME_DIR=str(runtime), XDG_CONFIG_HOME=str(root / "config"), XDG_STATE_HOME=str(root / "state"), WAYLAND_DISPLAY=str(display), FERESE_ENABLE_SCREENCOPY="1")
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env.pop("WAYLAND_SOCKET", None)
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env.pop("FERESE_SHELL_CONTROL_SOCKET", None)
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log = (root / "compositor.log").open("w")
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try:
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compositor = subprocess.Popen([str(REPO / "target/debug/ferese"), "--backend=nested"], env=env, stdout=log, stderr=log, start_new_session=True)
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processes.append(compositor)
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deadline = time.monotonic() + 10
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while not (runtime / "ferese/control.sock").exists():
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if compositor.poll() is not None or time.monotonic() > deadline:
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self.fail((root / "compositor.log").read_text())
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time.sleep(0.02)
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sockets = list(runtime.glob("wayland-*"))
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env["WAYLAND_DISPLAY"] = str(next(path for path in sockets if not path.name.endswith(".lock")))
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def call(*args):
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return subprocess.check_output([str(REPO / "target/debug/feresectl"), *args], env=env, timeout=10)
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def windows(count):
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deadline = time.monotonic() + 10
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while time.monotonic() < deadline:
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result = json.loads(call("get-windows"))
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if len(result) == count and all(window["mapped"] and window["width"] == 640 for window in result):
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return result
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time.sleep(0.02)
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self.fail((root / "compositor.log").read_text())
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processes.append(subprocess.Popen([str(root / "client")], env=env, stdout=log, stderr=log, start_new_session=True))
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target = windows(1)[0]
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processes.append(subprocess.Popen([str(root / "client"), "cover"], env=env, stdout=log, stderr=log, start_new_session=True))
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current = windows(2)
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cover = next(window for window in current if window["title"] == "Occluding window")
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self.assertEqual((target["x"], target["y"], target["width"], target["height"]),
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(cover["x"], cover["y"], cover["width"], cover["height"]))
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scale = json.loads(call("get-outputs"))[0]["scale"]
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with Image.open(io.BytesIO(call("screenshot-window", str(target["id"])))) as image:
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self.assertEqual(image.size, (round(640 * scale), round(480 * scale)))
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self.assertEqual(image.convert("RGB").getpixel((image.width // 2, image.height // 4)), (255, 0, 0))
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self.assertEqual(image.convert("RGB").getpixel((image.width // 2, image.height * 3 // 4)), (0, 0, 255))
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self.assertEqual(image.convert("RGBA").getpixel((round(40 * scale), round(80 * scale))), (255, 0, 0, 128))
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with Image.open(io.BytesIO(call("screenshot-window", str(cover["id"])))) as image:
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self.assertEqual(image.convert("RGB").getpixel((image.width // 2, image.height // 2)), (0, 255, 0))
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finally:
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for process in reversed(processes):
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os.killpg(process.pid, signal.SIGTERM)
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process.wait(timeout=5)
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log.close()
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if __name__ == "__main__":
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unittest.main()
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