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from __future__ import annotations
import unittest
import urwid
class WidgetSquishTest(unittest.TestCase):
def wstest(self, w):
c = w.render((80, 0), focus=False)
assert c.rows() == 0
c = w.render((80, 0), focus=True)
assert c.rows() == 0
c = w.render((80, 1), focus=False)
assert c.rows() == 1
c = w.render((0, 25), focus=False)
c = w.render((1, 25), focus=False)
def fwstest(self, w):
def t(cols: int, focus: bool):
wrows = w.rows((cols,), focus)
c = w.render((cols,), focus)
self.assertEqual(c.rows(), wrows, f"Canvas rows {c.rows()} != widget rows {wrows}")
if focus and hasattr(w, "get_cursor_coords"):
gcc = w.get_cursor_coords((cols,))
self.assertEqual(c.cursor, gcc, f"Canvas cursor {c.cursor} != widget cursor {gcc}")
for cols, focus in ((0, False), (1, False), (0, True), (1, True)):
with self.subTest(f"{w.__class__.__name__} cols={cols} and focus={focus}"):
t(cols, focus)
def test_listbox(self):
self.wstest(urwid.ListBox(urwid.SimpleListWalker([])))
self.wstest(urwid.ListBox(urwid.SimpleListWalker([urwid.Text("hello")])))
def test_bargraph(self):
self.wstest(urwid.BarGraph(["foo", "bar"]))
def test_graphvscale(self):
self.wstest(urwid.GraphVScale([(0, "hello")], 1))
self.wstest(urwid.GraphVScale([(5, "hello")], 1))
def test_solidfill(self):
self.wstest(urwid.SolidFill())
def test_filler(self):
self.wstest(urwid.Filler(urwid.Text("hello")))
def test_overlay(self):
self.wstest(
urwid.Overlay(
urwid.BigText("hello", urwid.Thin6x6Font()), urwid.SolidFill(), "center", None, "middle", None
)
)
self.wstest(urwid.Overlay(urwid.Text("hello"), urwid.SolidFill(), "center", ("relative", 100), "middle", None))
def test_frame(self):
self.wstest(urwid.Frame(urwid.SolidFill()))
self.wstest(urwid.Frame(urwid.SolidFill(), header=urwid.Text("hello")))
self.wstest(urwid.Frame(urwid.SolidFill(), header=urwid.Text("hello"), footer=urwid.Text("hello")))
def test_pile(self):
self.wstest(urwid.Pile([urwid.SolidFill()]))
self.wstest(urwid.Pile([("flow", urwid.Text("hello"))]))
self.wstest(urwid.Pile([]))
def test_columns(self):
self.wstest(urwid.Columns([urwid.SolidFill()]))
self.wstest(urwid.Columns([(4, urwid.SolidFill())]))
def test_buttons(self):
self.fwstest(urwid.Button("hello"))
self.fwstest(urwid.RadioButton([], "hello"))
def testFocus(self):
expect_focused = urwid.Button("Focused")
pile = urwid.Pile((urwid.Button("First"), expect_focused, urwid.Button("Last")), focus_item=expect_focused)
self.assertEqual(1, pile.focus_position)
self.assertEqual(expect_focused, pile.focus)
class CommonContainerTest(unittest.TestCase):
def test_list_box(self):
lb = urwid.ListBox(urwid.SimpleFocusListWalker([]))
self.assertEqual(lb.focus, None)
self.assertRaises(IndexError, lambda: getattr(lb, "focus_position"))
self.assertRaises(IndexError, lambda: setattr(lb, "focus_position", None))
self.assertRaises(IndexError, lambda: setattr(lb, "focus_position", 0))
t1 = urwid.Text("one")
t2 = urwid.Text("two")
lb = urwid.ListBox(urwid.SimpleListWalker([t1, t2]))
self.assertEqual(lb.focus, t1)
self.assertEqual(lb.focus_position, 0)
lb.focus_position = 1
self.assertEqual(lb.focus, t2)
self.assertEqual(lb.focus_position, 1)
lb.focus_position = 0
self.assertRaises(IndexError, lambda: setattr(lb, "focus_position", -1))
self.assertRaises(IndexError, lambda: setattr(lb, "focus_position", 2))
def test_focus_path(self):
# big tree of containers
t = urwid.Text("x")
e = urwid.Edit("?")
c = urwid.Columns([t, e, t, t])
p = urwid.Pile([t, t, c, t])
a = urwid.AttrMap(p, "gets ignored")
s = urwid.SolidFill("/")
o = urwid.Overlay(e, s, "center", "pack", "middle", "pack")
lb = urwid.ListBox(urwid.SimpleFocusListWalker([t, a, o, t]))
lb.focus_position = 1
g = urwid.GridFlow([t, t, t, t, e, t], 10, 0, 0, "left")
g.focus_position = 4
f = urwid.Frame(lb, header=t, footer=g)
self.assertEqual(f.get_focus_path(), ["body", 1, 2, 1])
f.set_focus_path(["footer"]) # same as f.focus_position = 'footer'
self.assertEqual(f.get_focus_path(), ["footer", 4])
f.set_focus_path(["body", 1, 2, 2])
self.assertEqual(f.get_focus_path(), ["body", 1, 2, 2])
self.assertRaises(IndexError, lambda: f.set_focus_path([0, 1, 2]))
self.assertRaises(IndexError, lambda: f.set_focus_path(["body", 2, 2]))
f.set_focus_path(["body", 2]) # focus the overlay
self.assertEqual(f.get_focus_path(), ["body", 2, 1])
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