167 lines
7.3 KiB
Python
167 lines
7.3 KiB
Python
#!/usr/bin/env python3
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"""Exercise screenshot selection and locking without a Wayland desktop."""
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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 subprocess
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import tempfile
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import time
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import unittest
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SCRIPT = Path(__file__).resolve().parents[2] / 'packaging/ferese-screenshot'
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OUTPUTS = [
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{'name': 'eDP-1', 'enabled': True, 'focused': False,
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'x': 0, 'y': 0, 'width': 1920, 'height': 1080},
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{'name': 'HDMI-A-1', 'enabled': True, 'focused': True,
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'x': 1920, 'y': 0, 'width': 2560, 'height': 1440},
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]
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FOCUSED_GEOMETRY = '1920,0 2560x1440'
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FARESECTL = '''#!/bin/bash
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case "$1" in
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get-outputs) cat "$TEST_ROOT/outputs.json" ;;
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screenshot)
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printf '%s\\n' "$@" >> "$TEST_ROOT/captures"
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printf image
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;;
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*) printf 'unexpected feresectl command: %s\\n' "$1" >&2; exit 1 ;;
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esac
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'''
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SATTY = '''#!/bin/bash
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if [[ -e /proc/$$/fd/9 ]]; then touch "$TEST_ROOT/inherited-lock"; fi
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printf '%s\\n' "$@" > "$TEST_ROOT/satty-args"
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printf 'editor\\n' >> "$TEST_ROOT/editors"
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touch "$TEST_ROOT/ready"
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while [[ ! -e "$TEST_ROOT/release" ]]; do sleep 0.02; done
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'''
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def fakes():
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return {
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'feresectl': FARESECTL,
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'notify-send': '#!/bin/bash\nexit 0\n',
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'wl-copy': '#!/bin/bash\nexit 0\n',
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'xdg-user-dir': '#!/bin/bash\nprintf "%s" "$TEST_ROOT/Pictures"\n',
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'satty': SATTY,
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}
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class ScreenshotTest(unittest.TestCase):
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def setUp(self):
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self.directory = tempfile.TemporaryDirectory()
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self.addCleanup(self.directory.cleanup)
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self.root = Path(self.directory.name)
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self.bins = self.root / 'bin'
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self.bins.mkdir()
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self.env = dict(os.environ, XDG_RUNTIME_DIR=self.directory.name,
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TEST_ROOT=str(self.root),
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PATH=f'{self.bins}:{os.environ["PATH"]}')
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self.write_outputs(OUTPUTS)
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for name, contents in fakes().items():
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path = self.bins / name
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path.write_text(contents)
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path.chmod(0o755)
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def write_outputs(self, outputs):
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(self.root / 'outputs.json').write_text(json.dumps(outputs))
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def captures(self):
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log = self.root / 'captures'
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if not log.exists():
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return []
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return log.read_text().splitlines()
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def run_script(self, *args, timeout=3):
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return subprocess.run(['bash', str(SCRIPT), *args], env=self.env,
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capture_output=True, timeout=timeout)
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def test_active_output_all_outputs_and_editor_lock(self):
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first = subprocess.Popen(['bash', str(SCRIPT), '--full'], env=self.env,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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try:
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deadline = time.monotonic() + 5
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while not (self.root / 'ready').exists():
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if time.monotonic() > deadline or first.poll() is not None:
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self.fail('First screenshot did not open its editor')
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time.sleep(0.02)
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second = self.run_script('--full')
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self.assertEqual(second.returncode, 0, second.stderr)
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self.assertEqual((self.root / 'editors').read_text().splitlines(), ['editor'])
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editor_args = (self.root / 'satty-args').read_text().splitlines()
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self.assertEqual(editor_args[editor_args.index('--app-id') + 1],
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'dev.ferese.Screenshot')
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self.assertEqual(editor_args[editor_args.index('--resize') + 1],
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'1500x920')
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self.assertIn('--no-window-decoration', editor_args)
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self.assertNotIn('--fullscreen', editor_args)
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self.assertFalse((self.root / 'inherited-lock').exists())
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(self.root / 'release').touch()
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_, stderr = first.communicate(timeout=3)
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self.assertEqual(first.returncode, 0, stderr)
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third = self.run_script('--full')
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self.assertEqual(third.returncode, 0, third.stderr)
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self.assertEqual((self.root / 'editors').read_text().splitlines(), ['editor', 'editor'])
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self.assertFalse(list((self.root / 'Pictures/Screenshots').glob('*.png')))
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self.assertFalse(list(self.root.glob('ferese-screenshot-*.png')))
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# Each --full capture asked for the focused output by geometry, not
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# by name, because native capture has no output-name selection.
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self.assertEqual(self.captures()[0:3], ['screenshot', '-g', FOCUSED_GEOMETRY])
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self.assertEqual(self.captures()[3:6], ['screenshot', '-g', FOCUSED_GEOMETRY])
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all_monitors = self.run_script('--all')
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self.assertEqual(all_monitors.returncode, 0, all_monitors.stderr)
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self.assertEqual(len(self.captures()), 7) # --all passes only "screenshot"
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self.assertEqual(self.captures()[6], 'screenshot')
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captured = self.captures()
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for outputs in [[], [dict(OUTPUTS[0], focused=False), dict(OUTPUTS[1], focused=False)]]:
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self.write_outputs(outputs)
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unavailable = self.run_script('--full')
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self.assertNotEqual(unavailable.returncode, 0)
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self.assertIn(b'Could not determine the active monitor', unavailable.stderr)
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self.assertEqual(self.captures(), captured)
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# An enabled output with no geometry is ambiguous, not a reason to
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# capture everything.
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self.write_outputs([dict(OUTPUTS[1], focused=True, x=None)])
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unknown = self.run_script('--full')
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self.assertNotEqual(unknown.returncode, 0)
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self.assertIn(b'Could not determine the active monitor', unknown.stderr)
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self.assertEqual(self.captures(), captured)
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# Disabled outputs are ignored, so the sole remaining one is used.
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self.write_outputs([dict(OUTPUTS[0], enabled=False, focused=True),
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dict(OUTPUTS[1], focused=False)])
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single = self.run_script('--full')
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self.assertEqual(single.returncode, 0, single.stderr)
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self.assertEqual(self.captures()[-2:], ['-g', FOCUSED_GEOMETRY])
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finally:
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(self.root / 'release').touch()
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if first.poll() is None:
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first.terminate()
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first.communicate(timeout=3)
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def test_area_selection_is_passed_through(self):
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self.bins.joinpath('slurp').write_text(
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'#!/bin/bash\nprintf "10,-20 300x200"\n')
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self.bins.joinpath('slurp').chmod(0o755)
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(self.root / 'release').touch()
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area = self.run_script()
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self.assertEqual(area.returncode, 0, area.stderr)
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self.assertEqual(self.captures(), ['screenshot', '-g', '10,-20 300x200'])
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def test_every_mode_captures_through_the_native_command(self):
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(self.root / 'release').touch()
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cases = [(['--all'], ['screenshot']),
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(['--full'], ['screenshot', '-g', FOCUSED_GEOMETRY])]
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for args, expected in cases:
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with self.subTest(args=args):
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before = len(self.captures())
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result = self.run_script(*args)
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self.assertEqual(result.returncode, 0, result.stderr)
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# The fake only records these when the compositor command runs,
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# so a capture taken any other way leaves the log short.
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self.assertEqual(self.captures()[before:], expected)
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if __name__ == '__main__':
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unittest.main()
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