pywal/tests/test_colors.py
2017-07-23 21:29:38 +10:00

43 lines
1.3 KiB
Python
Executable File

"""Test imagemagick functions."""
import unittest
import unittest.mock
import io
import pathlib
from pywal import colors
CACHE_DIR = pathlib.Path("/tmp/wal")
class TestGenColors(unittest.TestCase):
"""Test the gen_colors functions."""
def test_gen_colors(self):
"""> Generate a colorscheme."""
result = colors.get("tests/test_files/test.jpg", CACHE_DIR)
self.assertEqual(len(result["colors"]["color0"]), 7)
def test_gen_colors_fail(self):
"""> Generate a colorscheme and fail."""
with self.assertRaises(SystemExit):
colors.get("tests/test_files/test.png")
def test_color_cache(self):
"""> Test importing a cached scheme."""
# Since this function just prints a message we redirect
# it's output so that we can read it.
message = "colors: Found cached colorscheme."
with unittest.mock.patch('sys.stdout', new=io.StringIO()) as fake_out:
colors.get("tests/test_files/test.jpg", CACHE_DIR)
self.assertEqual(fake_out.getvalue().strip(), message)
def test_color_import(self):
"""> Read colors from a file."""
result = colors.file("tests/test_files/test_file.json")
self.assertEqual(result["colors"]["color0"], "#1F211E")
if __name__ == "__main__":
unittest.main()