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329 lines (292 loc) · 11.4 KB
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"""Test suite for the docx.text.tabstops module."""
import pytest
from docx.enum.text import WD_TAB_ALIGNMENT, WD_TAB_LEADER
from docx.shared import Twips
from docx.text.tabstops import TabStop, TabStops
from ..unitutil.cxml import element, xml
from ..unitutil.mock import call, class_mock, instance_mock
class DescribeTabStop:
def it_knows_its_position(self, position_get_fixture):
tab_stop, expected_value = position_get_fixture
assert tab_stop.position == expected_value
def it_can_change_its_position(self, position_set_fixture):
tab_stop, value, tabs, new_idx, expected_xml = position_set_fixture
tab_stop.position = value
assert tab_stop._tab is tabs[new_idx]
assert tabs.xml == expected_xml
def it_knows_its_alignment(self, alignment_get_fixture):
tab_stop, expected_value = alignment_get_fixture
assert tab_stop.alignment == expected_value
def it_can_change_its_alignment(self, alignment_set_fixture):
tab_stop, value, expected_xml = alignment_set_fixture
tab_stop.alignment = value
assert tab_stop._element.xml == expected_xml
def it_knows_its_leader(self, leader_get_fixture):
tab_stop, expected_value = leader_get_fixture
assert tab_stop.leader == expected_value
def it_can_change_its_leader(self, leader_set_fixture):
tab_stop, value, expected_xml = leader_set_fixture
tab_stop.leader = value
assert tab_stop._element.xml == expected_xml
# fixture --------------------------------------------------------
@pytest.fixture(
params=[
("w:tab{w:val=left}", "LEFT"),
("w:tab{w:val=right}", "RIGHT"),
]
)
def alignment_get_fixture(self, request):
tab_stop_cxml, member = request.param
tab_stop = TabStop(element(tab_stop_cxml))
expected_value = getattr(WD_TAB_ALIGNMENT, member)
return tab_stop, expected_value
@pytest.fixture(
params=[
("w:tab{w:val=left}", "RIGHT", "w:tab{w:val=right}"),
("w:tab{w:val=right}", "LEFT", "w:tab{w:val=left}"),
]
)
def alignment_set_fixture(self, request):
tab_stop_cxml, member, expected_cxml = request.param
tab_stop = TabStop(element(tab_stop_cxml))
expected_xml = xml(expected_cxml)
value = getattr(WD_TAB_ALIGNMENT, member)
return tab_stop, value, expected_xml
@pytest.fixture(
params=[
("w:tab", "SPACES"),
("w:tab{w:leader=none}", "SPACES"),
("w:tab{w:leader=dot}", "DOTS"),
]
)
def leader_get_fixture(self, request):
tab_stop_cxml, member = request.param
tab_stop = TabStop(element(tab_stop_cxml))
expected_value = getattr(WD_TAB_LEADER, member)
return tab_stop, expected_value
@pytest.fixture(
params=[
("w:tab", "DOTS", "w:tab{w:leader=dot}"),
("w:tab{w:leader=dot}", "DASHES", "w:tab{w:leader=hyphen}"),
("w:tab{w:leader=hyphen}", "SPACES", "w:tab"),
("w:tab{w:leader=hyphen}", None, "w:tab"),
("w:tab", "SPACES", "w:tab"),
("w:tab", None, "w:tab"),
]
)
def leader_set_fixture(self, request):
tab_stop_cxml, new_value, expected_cxml = request.param
tab_stop = TabStop(element(tab_stop_cxml))
value = None if new_value is None else getattr(WD_TAB_LEADER, new_value)
expected_xml = xml(expected_cxml)
return tab_stop, value, expected_xml
@pytest.fixture
def position_get_fixture(self, request):
tab_stop = TabStop(element("w:tab{w:pos=720}"))
return tab_stop, Twips(720)
@pytest.fixture(
params=[
(
"w:tabs/w:tab{w:pos=360,w:val=left}",
Twips(720),
0,
"w:tabs/w:tab{w:pos=720,w:val=left}",
),
(
"w:tabs/(w:tab{w:pos=360,w:val=left},w:tab{w:pos=720,w:val=left})",
Twips(180),
0,
"w:tabs/(w:tab{w:pos=180,w:val=left},w:tab{w:pos=720,w:val=left})",
),
(
"w:tabs/(w:tab{w:pos=360,w:val=left},w:tab{w:pos=720,w:val=left})",
Twips(960),
1,
"w:tabs/(w:tab{w:pos=720,w:val=left},w:tab{w:pos=960,w:val=left})",
),
(
"w:tabs/(w:tab{w:pos=-72,w:val=left},w:tab{w:pos=-36,w:val=left})",
Twips(-48),
0,
"w:tabs/(w:tab{w:pos=-48,w:val=left},w:tab{w:pos=-36,w:val=left})",
),
(
"w:tabs/(w:tab{w:pos=-72,w:val=left},w:tab{w:pos=-36,w:val=left})",
Twips(-16),
1,
"w:tabs/(w:tab{w:pos=-36,w:val=left},w:tab{w:pos=-16,w:val=left})",
),
]
)
def position_set_fixture(self, request):
tabs_cxml, value, new_idx, expected_cxml = request.param
tabs = element(tabs_cxml)
tab = tabs.tab_lst[0]
tab_stop = TabStop(tab)
expected_xml = xml(expected_cxml)
return tab_stop, value, tabs, new_idx, expected_xml
class DescribeTabStops:
def it_knows_its_length(self, len_fixture):
tab_stops, expected_value = len_fixture
assert len(tab_stops) == expected_value
def it_can_iterate_over_its_tab_stops(self, iter_fixture):
tab_stops, expected_count, tab_stop_, TabStop_, expected_calls = iter_fixture
count = 0
for tab_stop in tab_stops:
assert tab_stop is tab_stop_
count += 1
assert count == expected_count
assert TabStop_.call_args_list == expected_calls
def it_can_get_a_tab_stop_by_index(self, index_fixture):
tab_stops, idx, TabStop_, tab, tab_stop_ = index_fixture
tab_stop = tab_stops[idx]
TabStop_.assert_called_once_with(tab)
assert tab_stop is tab_stop_
def it_raises_on_indexed_access_when_empty(self):
tab_stops = TabStops(element("w:pPr"))
with pytest.raises(IndexError):
tab_stops[0]
def it_can_add_a_tab_stop(self, add_tab_fixture):
tab_stops, position, kwargs, expected_xml = add_tab_fixture
tab_stops.add_tab_stop(position, **kwargs)
assert tab_stops._element.xml == expected_xml
def it_can_delete_a_tab_stop(self, del_fixture):
tab_stops, idx, expected_xml = del_fixture
del tab_stops[idx]
assert tab_stops._element.xml == expected_xml
def it_raises_on_del_idx_invalid(self, del_raises_fixture):
tab_stops, idx = del_raises_fixture
with pytest.raises(IndexError) as exc:
del tab_stops[idx]
assert exc.value.args[0] == "tab index out of range"
def it_can_clear_all_its_tab_stops(self, clear_all_fixture):
tab_stops, expected_xml = clear_all_fixture
tab_stops.clear_all()
assert tab_stops._element.xml == expected_xml
# fixture --------------------------------------------------------
@pytest.fixture(
params=[
"w:pPr",
"w:pPr/w:tabs/w:tab{w:pos=42}",
"w:pPr/w:tabs/(w:tab{w:pos=24},w:tab{w:pos=42})",
]
)
def clear_all_fixture(self, request):
pPr_cxml = request.param
tab_stops = TabStops(element(pPr_cxml))
expected_xml = xml("w:pPr")
return tab_stops, expected_xml
@pytest.fixture(
params=[
("w:pPr/w:tabs/w:tab{w:pos=42}", 0, "w:pPr"),
(
"w:pPr/w:tabs/(w:tab{w:pos=24},w:tab{w:pos=42})",
0,
"w:pPr/w:tabs/w:tab{w:pos=42}",
),
(
"w:pPr/w:tabs/(w:tab{w:pos=24},w:tab{w:pos=42})",
1,
"w:pPr/w:tabs/w:tab{w:pos=24}",
),
]
)
def del_fixture(self, request):
pPr_cxml, idx, expected_cxml = request.param
tab_stops = TabStops(element(pPr_cxml))
expected_xml = xml(expected_cxml)
return tab_stops, idx, expected_xml
@pytest.fixture(
params=[
("w:pPr", 0),
("w:pPr/w:tabs/w:tab{w:pos=42}", 1),
]
)
def del_raises_fixture(self, request):
tab_stops_cxml, idx = request.param
tab_stops = TabStops(element(tab_stops_cxml))
return tab_stops, idx
@pytest.fixture(
params=[
("w:pPr", Twips(42), {}, "w:pPr/w:tabs/w:tab{w:pos=42,w:val=left}"),
(
"w:pPr",
Twips(72),
{"alignment": WD_TAB_ALIGNMENT.RIGHT},
"w:pPr/w:tabs/w:tab{w:pos=72,w:val=right}",
),
(
"w:pPr",
Twips(24),
{"alignment": WD_TAB_ALIGNMENT.CENTER, "leader": WD_TAB_LEADER.DOTS},
"w:pPr/w:tabs/w:tab{w:pos=24,w:val=center,w:leader=dot}",
),
(
"w:pPr/w:tabs/w:tab{w:pos=42}",
Twips(72),
{},
"w:pPr/w:tabs/(w:tab{w:pos=42},w:tab{w:pos=72,w:val=left})",
),
(
"w:pPr/w:tabs/w:tab{w:pos=42}",
Twips(24),
{},
"w:pPr/w:tabs/(w:tab{w:pos=24,w:val=left},w:tab{w:pos=42})",
),
(
"w:pPr/w:tabs/w:tab{w:pos=42}",
Twips(42),
{},
"w:pPr/w:tabs/(w:tab{w:pos=42},w:tab{w:pos=42,w:val=left})",
),
]
)
def add_tab_fixture(self, request):
pPr_cxml, position, kwargs, expected_cxml = request.param
tab_stops = TabStops(element(pPr_cxml))
expected_xml = xml(expected_cxml)
return tab_stops, position, kwargs, expected_xml
@pytest.fixture(
params=[
("w:pPr/w:tabs/w:tab{w:pos=0}", 0),
("w:pPr/w:tabs/(w:tab{w:pos=1},w:tab{w:pos=2},w:tab{w:pos=3})", 1),
("w:pPr/w:tabs/(w:tab{w:pos=4},w:tab{w:pos=5},w:tab{w:pos=6})", 2),
]
)
def index_fixture(self, request, TabStop_, tab_stop_):
pPr_cxml, idx = request.param
pPr = element(pPr_cxml)
tab = pPr.xpath("./w:tabs/w:tab")[idx]
tab_stops = TabStops(pPr)
return tab_stops, idx, TabStop_, tab, tab_stop_
@pytest.fixture(
params=[
("w:pPr", 0),
("w:pPr/w:tabs/w:tab{w:pos=2880}", 1),
("w:pPr/w:tabs/(w:tab{w:pos=2880},w:tab{w:pos=5760})", 2),
]
)
def iter_fixture(self, request, TabStop_, tab_stop_):
pPr_cxml, expected_count = request.param
pPr = element(pPr_cxml)
tab_elms = pPr.xpath("//w:tab")
tab_stops = TabStops(pPr)
expected_calls = [call(tab) for tab in tab_elms]
return tab_stops, expected_count, tab_stop_, TabStop_, expected_calls
@pytest.fixture(
params=[
("w:pPr", 0),
("w:pPr/w:tabs/w:tab{w:pos=2880}", 1),
]
)
def len_fixture(self, request):
tab_stops_cxml, expected_value = request.param
tab_stops = TabStops(element(tab_stops_cxml))
return tab_stops, expected_value
# fixture components ---------------------------------------------
@pytest.fixture
def TabStop_(self, request, tab_stop_):
return class_mock(request, "docx.text.tabstops.TabStop", return_value=tab_stop_)
@pytest.fixture
def tab_stop_(self, request):
return instance_mock(request, TabStop)