def test_write_serial(ten_row_sheet, LineChart, Series, Reference, root_xml):
ws = ten_row_sheet
chart = LineChart()
for idx, l in enumerate("ABCDEF", 1):
ws.cell(row=idx, column=1).value = l
ref = Reference(ws, (1, 1), (10, 1))
series = Series(ref)
chart.add_serie(series)
cw = BaseChartWriter(chart)
cw._write_serial(cw.root, ref)
xml = tostring(cw.root)
expected = """ <c:chartSpace xmlns:c="http://schemas.openxmlformats.org/drawingml/2006/chart"><c:strRef><c:f>'data'!$A$1:$A$10</c:f><c:strCache><c:ptCount val="10"/><c:pt idx="0"><c:v>A</c:v></c:pt><c:pt idx="1"><c:v>B</c:v></c:pt><c:pt idx="2"><c:v>C</c:v></c:pt><c:pt idx="3"><c:v>D</c:v></c:pt><c:pt idx="4"><c:v>E</c:v></c:pt><c:pt idx="5"><c:v>F</c:v></c:pt><c:pt idx="6"><c:v>6</c:v></c:pt><c:pt idx="7"><c:v>7</c:v></c:pt><c:pt idx="8"><c:v>8</c:v></c:pt><c:pt idx="9"><c:v>9</c:v></c:pt></c:strCache></c:strRef></c:chartSpace>"""
diff = compare_xml(xml, expected)
assert diff is None, diff
def test_write_no_ascii(self, ten_row_sheet, Series, BarChart, Reference,
root_xml):
ws = ten_row_sheet
ws.append([b"D\xc3\xbcsseldorf"] * 10)
serie = Series(values=Reference(ws, (1, 1), (1, 10)),
title=(ws.cell(row=1, column=1).value))
c = BarChart()
c.add_serie(serie)
cw = BaseChartWriter(c)
cw._write_series(root_xml)
xml = tostring(root_xml)
expected = """<test><c:ser xmlns:c="http://schemas.openxmlformats.org/drawingml/2006/chart"><c:idx val="0"/><c:order val="0"/><c:val><c:numRef><c:f>'data'!$A$1:$J$1</c:f><c:numCache><c:formatCode>General</c:formatCode><c:ptCount val="10"/><c:pt idx="0"><c:v>0</c:v></c:pt><c:pt idx="1"><c:v></c:v></c:pt><c:pt idx="2"><c:v></c:v></c:pt><c:pt idx="3"><c:v></c:v></c:pt><c:pt idx="4"><c:v></c:v></c:pt><c:pt idx="5"><c:v></c:v></c:pt><c:pt idx="6"><c:v></c:v></c:pt><c:pt idx="7"><c:v></c:v></c:pt><c:pt idx="8"><c:v></c:v></c:pt><c:pt idx="9"><c:v></c:v></c:pt></c:numCache></c:numRef></c:val></c:ser></test>"""
diff = compare_xml(xml, expected)
assert diff is None, diff