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#!/usr/bin/env python
#coding:utf-8
# Author: mozman --<mozman@gmx.at>
# Purpose: test text module
# Created: 25.09.2010
# Copyright (C) 2010, Manfred Moitzi
# License: MIT License
import unittest
from svgwrite.text import TSpan, TRef, TextPath
class TestTSpan(unittest.TestCase):
def test_constructor(self):
txt = TSpan('testtext')
self.assertEqual(txt.tostring(), '<tspan>testtext</tspan>')
def test_insert(self):
txt = TSpan('testtext', insert=(1,1))
self.assertEqual(txt.tostring(), '<tspan x="1" y="1">testtext</tspan>')
def test_subelement(self):
txt = TSpan('testtext')
txt.add(TSpan('subtext1'))
txt.add(TSpan('subtext2'))
self.assertEqual(txt.tostring(), '<tspan>testtext<tspan>subtext1</tspan><tspan>subtext2</tspan></tspan>')
def test_x_values(self):
txt = TSpan('text', x=[1, 2, 3, 4])
self.assertEqual(txt.tostring(), '<tspan x="1 2 3 4">text</tspan>')
def test_y_values(self):
txt = TSpan('text', y=[1, 2, 3, 4])
self.assertEqual(txt.tostring(), '<tspan y="1 2 3 4">text</tspan>')
def test_dx_values(self):
txt = TSpan('text', dx=[1, 2, 3, 4])
self.assertEqual(txt.tostring(), '<tspan dx="1 2 3 4">text</tspan>')
def test_dy_values(self):
txt = TSpan('text', dy=[1, 2, 3, 4])
self.assertEqual(txt.tostring(), '<tspan dy="1 2 3 4">text</tspan>')
def test_rotate_values(self):
txt = TSpan('text', rotate=[1, 2, 3, 4])
self.assertEqual(txt.tostring(), '<tspan rotate="1 2 3 4">text</tspan>')
def test_subelement_tspan(self):
txt = TSpan('text')
txt.add(TSpan('subtext'))
self.assertEqual(txt.tostring(), '<tspan>text<tspan>subtext</tspan></tspan>')
def test_non_us_ascii_chars(self):
txt = TSpan('öäü')
self.assertEqual(txt.tostring(), '<tspan>öäü</tspan>')
def test_errors(self):
# None for x, y, dx, dy, rotate is valid - willl be ignored
self.assertRaises(TypeError, TSpan,"txt", x=1)
self.assertRaises(TypeError, TSpan,"txt", y=1)
self.assertRaises(TypeError, TSpan,"txt", dx=1)
self.assertRaises(TypeError, TSpan,"txt", dy=1)
self.assertRaises(TypeError, TSpan,"txt", rotate=1)
def test_insert_errors(self):
self.assertRaises(TypeError, TSpan, "txt", insert=1)
self.assertRaises(TypeError, TSpan, "txt", insert='1')
# do not use 'insert' and 'x' or 'y' at the same time
self.assertRaises(ValueError, TSpan, "txt", insert=(1,1), x=[1])
self.assertRaises(ValueError, TSpan, "txt", insert=(1,1), y=[1])
def test_text_decoration(self):
with self.assertRaises(TypeError):
TSpan('text', text_decoration='xxx')
self.assertTrue(TSpan('text', text_decoration='none'))
self.assertTrue(TSpan('text', text_decoration='inherit'))
self.assertTrue(TSpan('text', text_decoration='underline'))
self.assertTrue(TSpan('text', text_decoration='overline'))
self.assertTrue(TSpan('text', text_decoration='line-through'))
self.assertTrue(TSpan('text', text_decoration='blink'))
# multiple decoration are allowed
self.assertTrue(TSpan('text', text_decoration='underline blink overline'))
with self.assertRaises(TypeError): # can not mix none with decoration styles
TSpan('text', text_decoration='none underline')
with self.assertRaises(TypeError): # can not mix inherit with decoration styles
TSpan('text', text_decoration='inherit underline')
class TestTRef(unittest.TestCase):
def test_constructor(self):
tref = TRef('#test')
self.assertEqual(tref.tostring(), '<tref xlink:href="#test" />')
class TestTextPath(unittest.TestCase):
def test_constructor(self):
tref = TextPath('#test', 'The Text', startOffset=10, spacing='auto', method='stretch')
self.assertEqual(tref.tostring(), '<textPath method="stretch" spacing="auto"' \
' startOffset="10" xlink:href="#test">The Text</textPath>')
def test_subelement_tspan(self):
txt = TextPath('#test', 'text')
txt.add(TSpan('subtext'))
self.assertEqual(txt.tostring(), '<textPath xlink:href="#test">text<tspan>subtext</tspan></textPath>')
if __name__=='__main__':
unittest.main()
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