199 lines
6.5 KiB
Python
199 lines
6.5 KiB
Python
#!/usr/bin/env python
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
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import os
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import tempfile
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import unittest
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import zlib
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from base64 import standard_b64encode
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from io import BytesIO
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from kitty.fast_data_types import (
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parse_bytes, set_display_state, set_send_to_gpu, shm_unlink, shm_write
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)
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from . import BaseTest
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try:
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from PIL import Image
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except ImportError:
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Image = None
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set_send_to_gpu(False)
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def relpath(name):
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base = os.path.dirname(os.path.abspath(__file__))
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return os.path.join(base, name)
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def send_command(screen, cmd, payload=b''):
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cmd = '\033_G' + cmd
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if payload:
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if isinstance(payload, str):
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payload = payload.encode('utf-8')
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payload = standard_b64encode(payload).decode('ascii')
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cmd += ';' + payload
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cmd += '\033\\'
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c = screen.callbacks
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c.clear()
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parse_bytes(screen, cmd.encode('ascii'))
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return c.wtcbuf
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def load_helpers(self):
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s = self.create_screen()
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g = s.grman
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def l(payload, **kw):
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kw.setdefault('i', 1)
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cmd = ','.join('%s=%s' % (k, v) for k, v in kw.items())
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res = send_command(s, cmd, payload)
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if not res:
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return
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return res.decode('ascii').partition(';')[2].partition('\033')[0]
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def sl(payload, **kw):
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if isinstance(payload, str):
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payload = payload.encode('utf-8')
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data = kw.pop('expecting_data', payload)
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cid = kw.setdefault('i', 1)
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self.ae('OK', l(payload, **kw))
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img = g.image_for_client_id(cid)
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self.ae(img['client_id'], cid)
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self.ae(img['data'], data)
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if 's' in kw:
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self.ae((kw['s'], kw['v']), (img['width'], img['height']))
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self.ae(img['is_4byte_aligned'], kw.get('f') != 24)
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return img
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return s, g, l, sl
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class TestGraphics(BaseTest):
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def test_load_images(self):
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s, g, l, sl = load_helpers(self)
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# Test simple load
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for f in 32, 24:
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p = 'abc' + ('d' if f == 32 else '')
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img = sl(p, s=1, v=1, f=f)
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self.ae(bool(img['is_4byte_aligned']), f == 32)
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# Test chuunked load
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self.assertIsNone(l('abcd', s=2, v=2, m=1))
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self.assertIsNone(l('efgh', m=1))
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self.assertIsNone(l('ijkl', m=1))
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self.ae(l('mnop', m=0), 'OK')
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img = g.image_for_client_id(1)
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self.ae(img['data'], b'abcdefghijklmnop')
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# Test compression
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random_data = os.urandom(3 * 1024)
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compressed_random_data = zlib.compress(random_data)
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sl(
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compressed_random_data,
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s=24,
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v=32,
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o='z',
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expecting_data=random_data
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)
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# Test loading from file
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f = tempfile.NamedTemporaryFile()
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f.write(random_data), f.flush()
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sl(f.name, s=24, v=32, t='f', expecting_data=random_data)
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self.assertTrue(os.path.exists(f.name))
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f.seek(0), f.truncate(), f.write(compressed_random_data), f.flush()
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sl(f.name, s=24, v=32, t='t', o='z', expecting_data=random_data)
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self.assertRaises(
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FileNotFoundError, f.close
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) # check that file was deleted
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# Test loading from POSIX SHM
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name = '/kitty-test-shm'
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shm_write(name, random_data)
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sl(name, s=24, v=32, t='s', expecting_data=random_data)
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self.assertRaises(
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FileNotFoundError, shm_unlink, name
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) # check that file was deleted
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@unittest.skipIf(Image is None, 'PIL not available, skipping PNG tests')
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def test_load_png(self):
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s, g, l, sl = load_helpers(self)
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w, h = 5, 3
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img = Image.new('RGBA', (w, h), 'red')
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rgba_data = img.tobytes()
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def png(mode='RGBA'):
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buf = BytesIO()
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i = img
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if mode != i.mode:
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i = img.convert(mode)
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i.save(buf, 'PNG')
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return buf.getvalue()
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for mode in 'RGBA RGB P'.split():
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data = png(mode)
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sl(data, f=100, expecting_data=rgba_data)
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img = img.convert('L')
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rgba_data = img.convert('RGBA').tobytes()
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data = png('L')
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sl(data, f=100, expecting_data=rgba_data)
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self.ae(l(b'a' * 20, f=100, S=20).partition(':')[0], 'EBADPNG')
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def test_image_put(self):
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cw, ch = 10, 20
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iid = 0
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def create_screen():
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s = self.create_screen(10, 5)
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set_display_state(s.columns * cw, s.lines * ch, cw, ch)
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return s, 2 / s.columns, 2 / s.lines
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def put_cmd(z=0, num_cols=0, num_lines=0, x_off=0, y_off=0, width=0, height=0, cell_x_off=0, cell_y_off=0):
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return 'z=%d,c=%d,r=%d,x=%d,y=%d,w=%d,h=%d,X=%d,Y=%d' % (z, num_cols, num_lines, x_off, y_off, width, height, cell_x_off, cell_y_off)
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def put_image(screen, w, h, **kw):
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nonlocal iid
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iid += 1
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cmd = 'a=T,f=24,i=%d,s=%d,v=%d,%s' % (iid, w, h, put_cmd(**kw))
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data = b'x' * w * h * 3
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send_command(screen, cmd, data)
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def put_ref(screen, iid, **kw):
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cmd = 'a=p,i=%d,%s' % (iid, put_cmd(**kw))
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send_command(screen, cmd)
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def layers(screen, scrolled_by=0, xstart=0, ystart=0):
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dx, dy = (2 - xstart) / s.columns, (2 - ystart) / s.lines
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return screen.grman.update_layers(scrolled_by, xstart, ystart, dx, dy, screen.columns, screen.lines)
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def rect_eq(r, left, top, right, bottom):
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for side in 'left top right bottom'.split():
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a, b = r[side], locals()[side]
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if abs(a - b) > 0.0001:
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self.ae(a, b, 'the %s side is not equal' % side)
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s, dx, dy = create_screen()
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put_image(s, 10, 20)
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l = layers(s)
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self.ae(len(l), 1)
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rect_eq(l[0]['src_rect'], 0, 0, 1, 1)
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rect_eq(l[0]['dest_rect'], 0, 0, dx, dy)
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self.ae(l[0]['group_count'], 1)
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self.ae(s.cursor.x, 1), self.ae(s.cursor.y, 0)
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put_ref(s, iid, num_cols=s.columns, x_off=2, y_off=1, width=3, height=5, cell_x_off=3, cell_y_off=1, z=-1)
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l = layers(s)
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self.ae(len(l), 2)
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rect_eq(l[0]['src_rect'], 2 / 10, 1 / 20, (2 + 3) / 10, (1 + 5)/20)
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left, top = dx + 3 * dx / cw, 1 * dy / ch
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rect_eq(l[0]['dest_rect'], left, top, (1 + s.columns) * dx, top + dy * 5 / ch)
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rect_eq(l[1]['src_rect'], 0, 0, 1, 1)
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rect_eq(l[1]['dest_rect'], 0, 0, dx, dy)
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self.ae(l[0]['group_count'], 1), self.ae(l[1]['group_count'], 1)
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self.ae(s.cursor.x, 0), self.ae(s.cursor.y, 1)
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