rich/tests/test_align.py

152 lines
4.7 KiB
Python

import io
import pytest
from rich.console import Console
from rich.align import Align, VerticalCenter
from rich.measure import Measurement
def test_bad_align_legal():
# Legal
Align("foo", "left")
Align("foo", "center")
Align("foo", "right")
# illegal
with pytest.raises(ValueError):
Align("foo", None)
with pytest.raises(ValueError):
Align("foo", "middle")
with pytest.raises(ValueError):
Align("foo", "")
with pytest.raises(ValueError):
Align("foo", "LEFT")
with pytest.raises(ValueError):
Align("foo", vertical="somewhere")
def test_repr():
repr(Align("foo", "left"))
repr(Align("foo", "center"))
repr(Align("foo", "right"))
def test_align_left():
console = Console(file=io.StringIO(), width=10)
console.print(Align("foo", "left"))
assert console.file.getvalue() == "foo \n"
def test_align_center():
console = Console(file=io.StringIO(), width=10)
console.print(Align("foo", "center"))
assert console.file.getvalue() == " foo \n"
def test_align_right():
console = Console(file=io.StringIO(), width=10)
console.print(Align("foo", "right"))
assert console.file.getvalue() == " foo\n"
def test_align_top():
console = Console(file=io.StringIO(), width=10)
console.print(Align("foo", vertical="top"), height=5)
expected = "foo \n \n \n \n \n"
result = console.file.getvalue()
print(repr(result))
assert result == expected
def test_align_middle():
console = Console(file=io.StringIO(), width=10)
console.print(Align("foo", vertical="middle"), height=5)
expected = " \n \nfoo \n \n \n"
result = console.file.getvalue()
print(repr(result))
assert result == expected
def test_align_bottom():
console = Console(file=io.StringIO(), width=10)
console.print(Align("foo", vertical="bottom"), height=5)
expected = " \n \n \n \nfoo \n"
result = console.file.getvalue()
print(repr(result))
assert result == expected
def test_align_center_middle():
console = Console(file=io.StringIO(), width=10)
console.print(Align("foo\nbar", "center", vertical="middle"), height=5)
expected = " \n foo \n bar \n \n \n"
result = console.file.getvalue()
print(repr(result))
assert result == expected
def test_align_fit():
console = Console(file=io.StringIO(), width=10)
console.print(Align("foobarbaze", "center"))
assert console.file.getvalue() == "foobarbaze\n"
def test_align_right_style():
console = Console(
file=io.StringIO(),
width=10,
color_system="truecolor",
force_terminal=True,
_environ={},
)
console.print(Align("foo", "right", style="on blue"))
assert console.file.getvalue() == "\x1b[44m \x1b[0m\x1b[44mfoo\x1b[0m\n"
def test_measure():
console = Console(file=io.StringIO(), width=20)
_min, _max = Measurement.get(console, console.options, Align("foo bar", "left"))
assert _min == 3
assert _max == 7
def test_align_no_pad():
console = Console(file=io.StringIO(), width=10)
console.print(Align("foo", "center", pad=False))
console.print(Align("foo", "left", pad=False))
assert console.file.getvalue() == " foo\nfoo\n"
def test_align_width():
console = Console(file=io.StringIO(), width=40)
words = "Deep in the human unconscious is a pervasive need for a logical universe that makes sense. But the real universe is always one step beyond logic"
console.print(Align(words, "center", width=30))
result = console.file.getvalue()
expected = " Deep in the human unconscious \n is a pervasive need for a \n logical universe that makes \n sense. But the real universe \n is always one step beyond \n logic \n"
assert result == expected
def test_shortcuts():
assert Align.left("foo").align == "left"
assert Align.left("foo").renderable == "foo"
assert Align.right("foo").align == "right"
assert Align.right("foo").renderable == "foo"
assert Align.center("foo").align == "center"
assert Align.center("foo").renderable == "foo"
def test_vertical_center():
console = Console(color_system=None, height=6)
console.begin_capture()
vertical_center = VerticalCenter("foo")
repr(vertical_center)
console.print(vertical_center)
result = console.end_capture()
print(repr(result))
expected = " \n \nfoo\n \n \n \n"
assert result == expected
assert Measurement.get(console, console.options, vertical_center) == Measurement(
3, 3
)