47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
from __future__ import annotations
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import re
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import types
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import pytest
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from rich.cells import cell_len
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from somafm_tui.widgets.header import HeaderBar
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TIME = re.compile(r"\d\d:\d\d:\d\d$")
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DATE = re.compile(r"[A-Z][a-z]{2} \d\d [A-Z][a-z]{2}$")
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VOLUME = re.compile(r"vol \d+%$")
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def render_header(width: int, height: int = 3) -> list[str]:
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"""Render the header without a running app, as plain text per line."""
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fake = type("Fake", (), {})()
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fake.app = types.SimpleNamespace(
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playing_state="playing", volume=70, current=None, notice=None
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)
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fake.size = types.SimpleNamespace(width=width, height=height)
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return [line.plain.rstrip() for line in HeaderBar.render(fake).renderables]
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@pytest.mark.parametrize("width", [54, 60, 100, 143, 200])
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def test_right_block_is_flush_right(width: int) -> None:
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"""Clock, date and volume all end on the same column, at the edge."""
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clock, date, volume = render_header(width)
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assert [cell_len(line) for line in (clock, date, volume)] == [width] * 3
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assert TIME.search(clock)
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assert DATE.search(date)
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assert VOLUME.search(volume)
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def test_ragged_middle_does_not_shift_the_right_block() -> None:
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""""SOMA FM RADIO" and "SAN FRANCISCO" are shorter than
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"LISTENER SUPPORTED"; the right block must not follow their length."""
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clock, date, volume = render_header(143)
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assert cell_len(clock) == cell_len(date) == cell_len(volume) == 143
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def test_right_block_hidden_on_narrow_terminals() -> None:
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"""Below the threshold the right block is dropped, not squashed."""
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lines = render_header(30)
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assert all(":" not in line for line in lines)
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