mirror of
https://github.com/HorlogeSkynet/archey4
synced 2024-11-24 04:00:10 +01:00
44a357efa1
Splits `Colors` into a base class `Style` and a subclass `Colors`. Adds a new subclass `Colors8Bit`, which adds support for 256 colours (8-bit) mode.
98 lines
3.8 KiB
Python
98 lines
3.8 KiB
Python
"""Test module for `archey.logos`"""
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import pkgutil
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import unittest
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from archey import logos
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from archey.colors import Style
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from archey.distributions import Distributions
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from archey.logos import get_logo_width, lazy_load_logo_module
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class TestLogos(unittest.TestCase):
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"""Simple tests checking logos consistency and utility function logic"""
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def test_distribution_logos_consistency(self):
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"""
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Verify each distribution identifier got a logo module.
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Verify each distribution logo module contain `LOGO` & `COLORS` ("truthy") attributes.
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Also check they got _consistent_ widths across their respective lines.
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Additionally verify they don't contain any (useless) empty line.
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This test also indirectly checks `lazy_load_logo_module` behavior!
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"""
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distributions_identifiers = Distributions.get_identifiers()
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for i, logo_module_info in enumerate(pkgutil.iter_modules(logos.__path__), start=1):
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# Check each logo module name corresponds to a distribution identifier.
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self.assertIn(
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logo_module_info.name,
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distributions_identifiers,
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msg=f"No distribution identifier for [{logo_module_info.name}]",
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)
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logo_module = lazy_load_logo_module(logo_module_info.name)
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# Attributes checks.
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self.assertTrue(
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getattr(logo_module, "LOGO", []),
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msg=f"[{logo_module_info.name}] logo module missing `LOGO` attribute",
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)
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self.assertTrue(
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getattr(logo_module, "COLORS", []),
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msg=f"[{logo_module_info.name}] logo module missing `COLORS` attribute",
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)
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# Compute once and for all the number of defined colors for this logo.
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nb_colors = len(logo_module.COLORS)
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# Make Archey compute the logo (effective) width.
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logo_width = get_logo_width(logo_module.LOGO, nb_colors)
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# Then, check that each logo line got the same effective width.
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for j, line in enumerate(logo_module.LOGO[1:], start=1):
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# Here we gotta trick the `get_logo_width` call.
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# We actually pass each logo line as if it was a "complete" logo.
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line_width = get_logo_width([line], nb_colors)
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# Width check.
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self.assertEqual(
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line_width,
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logo_width,
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msg=(
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f"[{logo_module_info.name}] line index {j}, "
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f"got an unexpected width {line_width} (expected {logo_width})"
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),
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)
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# Non-empty line check.
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self.assertTrue(
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Style.remove_colors(line.format(c=[""] * nb_colors)).strip(),
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msg=f"[{logo_module_info.name}] line index {j}, got an useless empty line",
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)
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# Finally, check each distributions identifier got a logo!
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# pylint: disable=undefined-loop-variable
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self.assertEqual(
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i,
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len(distributions_identifiers),
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msg=(
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f"[{logo_module_info.name}] Expected {len(distributions_identifiers)} "
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f"logo modules, got {i}"
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),
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)
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def test_get_logo_width(self):
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"""Test `logos.get_logo_width` behavior"""
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self.assertEqual(get_logo_width(["{c[0]} {c[1]}"], 2), 3)
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self.assertEqual(get_logo_width(["{c[0]} {{ {c[1]}"]), 3)
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self.assertEqual(
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get_logo_width(
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[
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"{c[0]} {c[1]}>>>>{c[2]}<<<<{c[3]}",
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"{c[0]} {c[1]}>>>>{c[2]}<<<<<{c[3]}", # Ignored from computation...
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]
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),
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11,
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)
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