def test_xl_style_cache_works():
("The XL backend should cache styles that are the same instead of creating "
"a new style each time")
STYLE_CACHE.clear()
backend = XL()
output = Mock()
mock_row = Mock()
backend.write_row(
mock_row,
[['Chuck Norris', 'Power']],
output=output,
bold=True,
)
STYLE_CACHE.should.have.length_of(1)
bold_style = STYLE_CACHE.values()[0]
backend.write_row(
mock_row,
[['Name', 'Some other guy']],
output=output,
)
STYLE_CACHE.should.have.length_of(2)
non_bold_style = [style for style in STYLE_CACHE.values() if style != bold_style][0]
backend.write_row(
mock_row,
[['Name', 'Another person']],
output=output,
bold=True,
)
mock_row.write.assert_has_calls([
call(0, ['Chuck Norris', 'Power'], bold_style),
call(0, ['Name', 'Some other guy'], non_bold_style),
call(0, ['Name', 'Another person'], bold_style),
])
STYLE_CACHE.should.have.length_of(2)
def test_writing_with_none_format_string():
"Writer should not use a format string if None is passed"
STYLE_CACHE.clear()
backend = XL()
output = Mock()
mock_row = Mock()
backend.write_row(
mock_row,
[['Chuck Norris', 'Power']],
format_string=None,
)
STYLE_CACHE.should.have.length_of(1)
active_style = STYLE_CACHE.values()[0]
active_style.num_format_str.should.equal("General")