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test_transformSVG2TranskriptionField.py
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Tue, May 7, 11:40

test_transformSVG2TranskriptionField.py
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import unittest
import xml.etree.ElementTree as ET
from xml.parsers.expat import ExpatError
import os
from os import sep, path
from os.path import isfile, isdir, dirname
from svgpathtools import svg_to_paths
import sys
sys.path.append('svgscripts')
from datatypes.transkriptionField import TranskriptionField
def createEmptySVGFile():
""" Creates an empty file and returns the name of this file.
:return: (str) file name
"""
empty_file = 'empty.svg'
if not bool(os.path.exists(empty_file)):
root = ET.Element('svg')
ET.SubElement(root, 'g')
et = ET.ElementTree(root)
et.write(empty_file)
return empty_file
def deleteFile(file_name):
"""Deletes file.
"""
bool(os.path.exists(file_name)) and os.remove(file_name)
class TestTF(unittest.TestCase):
def setUp(self):
DATADIR = dirname(__file__) + sep + 'test_data'
self.test_file = DATADIR + sep + 'test_ai.svg'
self.test_tr = TranskriptionField(self.test_file)
self.empty_file = createEmptySVGFile()
self.svg_test_file = 'python_test.svg'
self.test_empty_file = DATADIR + sep + 'my_empty_test.svg'
self.verso_svg = DATADIR + sep + 'W_I_8_neu_125-01.svg'
self.recto_svg = DATADIR + sep + 'N_VII_1_xp5_4_page6.svg'
self.multipage = DATADIR + sep + 'multipage_small_above.svg'
def test_init_tf(self):
""" Tests init function of transformSVG2TranskriptionField.TranskriptionField.
"""
self.assertEqual(self.test_tr.transkription_field_found(), True)
with self.assertRaises(ExpatError):
TranskriptionField(self.test_empty_file)
multi_tf_above = TranskriptionField(self.multipage, multipage_index=0)
self.assertEqual(multi_tf_above.transkription_field_found(), True)
multi_tf_beneath = TranskriptionField(self.multipage, multipage_index=1)
self.assertEqual(multi_tf_beneath.transkription_field_found(), True)
self.assertTrue(multi_tf_beneath.second_field is None)
self.assertEqual(multi_tf_above.second_field.xmin, multi_tf_beneath.xmin)
self.assertTrue(multi_tf_above.ymax < multi_tf_beneath.ymin)
def test_is_shrunk(self):
self.assertEqual(self.test_tr.is_shrunk(), False)
self.test_tr.shrink_svg_to_transkription_field(self.svg_test_file)
test_tr = TranskriptionField(self.svg_test_file)
self.assertEqual(test_tr.is_shrunk(), True)
def test_getWidth_Height(self):
self.assertEqual(self.test_tr.getWidth(), 835.7)
self.assertEqual(self.test_tr.getHeight(), 1161.7)
def test_init_with_empty_file(self):
"""Tests init function of transformSVG2TranskriptionField.TranskriptionField with empty svg file.
"""
with self.assertRaises(Exception):
TranskriptionField(self.empty_file)
def test_tf_dimensions(self):
"""Tests dimensions of transformSVG2TranskriptionField.TranskriptionField.
"""
self.assertEqual(self.test_tr.width, 493.2)
self.assertEqual(self.test_tr.height, 623.6999999999999)
self.assertEqual(self.test_tr.xmin, 190.7)
self.assertEqual(self.test_tr.ymin, 74.9)
def test_to_text_field(self):
text_field = self.test_tr.convert_to_text_field()
self.assertEqual(text_field.width, 493.2)
def test_tf_shrink_svg_to_transkription_field(self):
"""Tests transformSVG2TranskriptionField.shrink_svg_to_transkription_field.
"""
self.assertEqual(self.test_tr.shrink_svg_to_transkription_field(self.svg_test_file), 0)
deleteFile(self.svg_test_file)
def test_tf_shrink_svg_to_transkription_field(self):
"""Tests transformSVG2TranskriptionField.shrink_svg_to_transkription_field with a file that has already been shrunk.
"""
self.test_tr.shrink_svg_to_transkription_field(self.svg_test_file)
test_tr = TranskriptionField(self.svg_test_file)
self.assertEqual(test_tr.shrink_svg_to_transkription_field(), 1)
test_tr = TranskriptionField(self.svg_test_file)
self.assertEqual(test_tr.transkription_field_found(), False)
deleteFile(self.svg_test_file)
def test_is_page_verso(self):
tf = TranskriptionField(self.verso_svg)
self.assertEqual(tf.is_page_verso(), True)
tf = TranskriptionField(self.recto_svg)
self.assertEqual(tf.is_page_verso(), False)
def test_add_line_number_area_width(self):
tf = TranskriptionField(self.verso_svg)
tf.add_line_number_area_width(tf.xmin)
self.assertEqual(tf.line_number_area_width, 0.0)
tf = TranskriptionField(self.recto_svg)
tf.add_line_number_area_width(tf.xmax)
self.assertEqual(tf.line_number_area_width, 0.0)
def tearDown(self):
deleteFile(self.empty_file)
if __name__ == "__main__":
unittest.main()

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