"""Test suite for the docx.oxml.text.run module."""

from typing import cast

import pytest

from docx.oxml.text.run import CT_R

from ...unitutil.cxml import element, xml

class DescribeCT_R:

"""Unit-test suite for the CT_R (run, <w:r>) element."""

@pytest.mark.parametrize(

("initial_cxml", "text", "expected_cxml"),

[

("w:r", "foobar", 'w:r/w:t"foobar"'),

("w:r", "foobar ", 'w:r/w:t{xml:space=preserve}"foobar "'),

(

"w:r/(w:rPr/w:rStyle{w:val=emphasis}, w:cr)",

"foobar",

'w:r/(w:rPr/w:rStyle{w:val=emphasis}, w:cr, w:t"foobar")',

),

],

)

def it_can_add_a_t_preserving_edge_whitespace(

self, initial_cxml: str, text: str, expected_cxml: str

):

r = cast(CT_R, element(initial_cxml))

expected_xml = xml(expected_cxml)

r.add_t(text)

assert r.xml == expected_xml

def it_can_assemble_the_text_in_the_run(self):

cxml = 'w:r/(w:br,w:cr,w:noBreakHyphen,w:ptab,w:t"foobar",w:tab)'

r = cast(CT_R, element(cxml))

assert r.text == "\n\n-\tfoobar\t"