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from __future__ import annotations
import unittest
import urwid
class FrameTest(unittest.TestCase):
def ftbtest(self, desc: str, focus_part, header_rows, footer_rows, size, focus, top, bottom):
class FakeWidget:
def __init__(self, rows, want_focus):
self.ret_rows = rows
self.want_focus = want_focus
def rows(self, size, focus=False):
assert self.want_focus == focus
return self.ret_rows
with self.subTest(desc):
header = footer = None
if header_rows:
header = FakeWidget(header_rows, focus and focus_part == "header")
if footer_rows:
footer = FakeWidget(footer_rows, focus and focus_part == "footer")
f = urwid.Frame(urwid.SolidFill(), header, footer, focus_part)
rval = f.frame_top_bottom(size, focus)
exp = (top, bottom), (header_rows, footer_rows)
self.assertEqual(exp, rval)
def test(self):
self.ftbtest("simple", "body", 0, 0, (9, 10), True, 0, 0)
self.ftbtest("simple h", "body", 3, 0, (9, 10), True, 3, 0)
self.ftbtest("simple f", "body", 0, 3, (9, 10), True, 0, 3)
self.ftbtest("simple hf", "body", 3, 3, (9, 10), True, 3, 3)
self.ftbtest("almost full hf", "body", 4, 5, (9, 10), True, 4, 5)
self.ftbtest("full hf", "body", 5, 5, (9, 10), True, 4, 5)
self.ftbtest("x full h+1f", "body", 6, 5, (9, 10), False, 4, 5)
self.ftbtest("full h+1f", "body", 6, 5, (9, 10), True, 4, 5)
self.ftbtest("full hf+1", "body", 5, 6, (9, 10), True, 3, 6)
self.ftbtest("F full h+1f", "footer", 6, 5, (9, 10), True, 5, 5)
self.ftbtest("F full hf+1", "footer", 5, 6, (9, 10), True, 4, 6)
self.ftbtest("F full hf+5", "footer", 5, 11, (9, 10), True, 0, 10)
self.ftbtest("full hf+5", "body", 5, 11, (9, 10), True, 0, 9)
self.ftbtest("H full hf+1", "header", 5, 6, (9, 10), True, 5, 5)
self.ftbtest("H full h+1f", "header", 6, 5, (9, 10), True, 6, 4)
self.ftbtest("H full h+5f", "header", 11, 5, (9, 10), True, 10, 0)
def test_common(self):
s1 = urwid.SolidFill("1")
f = urwid.Frame(s1)
self.assertEqual(f.focus, s1)
self.assertEqual(f.focus_position, "body")
self.assertRaises(IndexError, lambda: setattr(f, "focus_position", None))
self.assertRaises(IndexError, lambda: setattr(f, "focus_position", "header"))
t1 = urwid.Text("one")
t2 = urwid.Text("two")
t3 = urwid.Text("three")
f = urwid.Frame(s1, t1, t2, "header")
self.assertEqual(f.focus, t1)
self.assertEqual(f.focus_position, "header")
f.focus_position = "footer"
self.assertEqual(f.focus, t2)
self.assertEqual(f.focus_position, "footer")
self.assertRaises(IndexError, lambda: setattr(f, "focus_position", -1))
self.assertRaises(IndexError, lambda: setattr(f, "focus_position", 2))
del f.contents["footer"]
self.assertEqual(f.footer, None)
self.assertEqual(f.focus_position, "body")
f.contents.update(footer=(t3, None), header=(t2, None))
self.assertEqual(f.header, t2)
self.assertEqual(f.footer, t3)
def set1():
f.contents["body"] = t1
self.assertRaises(urwid.FrameError, set1)
def set2():
f.contents["body"] = (t1, "given")
self.assertRaises(urwid.FrameError, set2)
def test_focus(self):
header = urwid.Text("header")
body = urwid.ListBox((urwid.Text("first"), urwid.Text("second")))
footer = urwid.Text("footer")
with self.subTest("default"):
widget = urwid.Frame(body, header, footer)
self.assertEqual(body, widget.focus)
self.assertEqual("body", widget.focus_part)
with self.subTest("body"):
widget = urwid.Frame(body, header, footer, focus_part=body)
self.assertEqual(body, widget.focus)
self.assertEqual("body", widget.focus_part)
with self.subTest("header"):
widget = urwid.Frame(body, header, footer, focus_part=header)
self.assertEqual(header, widget.focus)
self.assertEqual("header", widget.focus_part)
with self.subTest("footer"):
widget = urwid.Frame(body, header, footer, focus_part=footer)
self.assertEqual(footer, widget.focus)
self.assertEqual("footer", widget.focus_part)
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