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test_stpl.py
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test_stpl.py
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# -*- coding: utf-8 -*-
import unittest
from bottle import SimpleTemplate, TemplateError, view, template
class TestSimpleTemplate(unittest.TestCase):
def test_string(self):
""" Templates: Parse string"""
t = SimpleTemplate('start {{var}} end').render(var='var')
self.assertEqual(u'start var end', t)
t = SimpleTemplate('start {{self}} end').render({'self':'var'}) # "self" cannot be used as a kwarg
self.assertEqual(u'start var end', t)
def test_file(self):
""" Templates: Parse file"""
t = SimpleTemplate(name='./views/stpl_simple.tpl').render(var='var')
self.assertEqual(u'start var end\n', t)
def test_name(self):
""" Templates: Lookup by name """
t = SimpleTemplate(name='stpl_simple', lookup=['./views/']).render(var='var')
self.assertEqual(u'start var end\n', t)
def test_unicode(self):
""" Templates: Unicode variables """
t = SimpleTemplate('start {{var}} end').render(var=u'äöü')
self.assertEqual(u'start äöü end', t)
def test_unicode_code(self):
""" Templates: utf8 code in file"""
t = SimpleTemplate(name='./views/stpl_unicode.tpl').render(var='äöü')
self.assertEqual(u'start ñç äöü end\n', t)
def test_import(self):
""" Templates: import statement"""
t = '%from base64 import b64encode\nstart {{b64encode(var.encode("ascii") if hasattr(var, "encode") else var)}} end'
t = SimpleTemplate(t).render(var='var')
self.assertEqual(u'start dmFy end', t)
def test_data(self):
""" Templates: Data representation """
t = SimpleTemplate('<{{var}}>')
self.assertEqual(u'<True>', t.render(var=True))
self.assertEqual(u'<False>', t.render(var=False))
self.assertEqual(u'<None>', t.render(var=None))
self.assertEqual(u'<0>', t.render(var=0))
self.assertEqual(u'<5>', t.render(var=5))
self.assertEqual(u'<b>', t.render(var='b'))
self.assertEqual(u'<1.0>', t.render(var=1.0))
self.assertEqual(u'<[1, 2]>', t.render(var=[1,2]))
def test_escape(self):
t = SimpleTemplate('<{{var}}>')
self.assertEqual(u'<b>', t.render(var='b'))
self.assertEqual(u'<<&>>', t.render(var='<&>'))
def test_noescape(self):
t = SimpleTemplate('<{{!var}}>')
self.assertEqual(u'<b>', t.render(var='b'))
self.assertEqual(u'<<&>>', t.render(var='<&>'))
def test_noescape_setting(self):
t = SimpleTemplate('<{{var}}>', noescape=True)
self.assertEqual(u'<b>', t.render(var='b'))
self.assertEqual(u'<<&>>', t.render(var='<&>'))
t = SimpleTemplate('<{{!var}}>', noescape=True)
self.assertEqual(u'<b>', t.render(var='b'))
self.assertEqual(u'<<&>>', t.render(var='<&>'))
def test_blocks(self):
""" Templates: Code blocks and loops """
t = SimpleTemplate("start\n%for i in l:\n{{i}} \n%end\nend")
self.assertEqual(u'start\n1 \n2 \n3 \nend', t.render(l=[1,2,3]))
self.assertEqual(u'start\nend', t.render(l=[]))
t = SimpleTemplate("start\n%if i:\n{{i}} \n%end\nend")
self.assertEqual(u'start\nTrue \nend', t.render(i=True))
self.assertEqual(u'start\nend', t.render(i=False))
def test_elsebug(self):
''' Whirespace between block keyword and colon is allowed '''
t = SimpleTemplate("%if 1:\nyes\n%else:\nno\n%end\n")
self.assertEqual(u"yes\n", t.render())
t = SimpleTemplate("%if 1:\nyes\n%else :\nno\n%end\n")
self.assertEqual(u"yes\n", t.render())
def test_commentbug(self):
''' A "#" sign within an string is not a comment '''
t = SimpleTemplate("%if '#':\nyes\n%end\n")
self.assertEqual(u"yes\n", t.render())
def test_multiline(self):
''' Block statements with non-terminating newlines '''
t = SimpleTemplate("%if 1\\\n%and 1:\nyes\n%end\n")
self.assertEqual(u"yes\n", t.render())
def test_newline_in_parameterlist(self):
''' Block statements with non-terminating newlines in list '''
t = SimpleTemplate("%a=[1,\n%2]\n{{len(a)}}")
self.assertEqual(u"2", t.render())
def test_dedentbug(self):
''' One-Line dednet blocks should not change indention '''
t = SimpleTemplate('%if x: a="if"\n%else: a="else"\n{{a}}')
self.assertEqual(u"if", t.render(x=True))
self.assertEqual(u"else", t.render(x=False))
t = SimpleTemplate('%if x:\n%a="if"\n%else: a="else"\n{{a}}')
self.assertEqual(u"if", t.render(x=True))
self.assertEqual(u"else", t.render(x=False))
t = SimpleTemplate('%if x: a="if"\n%else: a="else"\n%end')
self.assertRaises(NameError, t.render)
def test_onelinebugs(self):
''' One-Line blocks should not change indention '''
t = SimpleTemplate('%if x:\n%a=1\n%end\n{{a}}')
self.assertEqual(u"1", t.render(x=True))
t = SimpleTemplate('%if x: a=1\n{{a}}')
self.assertEqual(u"1", t.render(x=True))
t = SimpleTemplate('%if x:\n%a=1\n%else:\n%a=2\n%end\n{{a}}')
self.assertEqual(u"1", t.render(x=True))
self.assertEqual(u"2", t.render(x=False))
t = SimpleTemplate('%if x: a=1\n%else:\n%a=2\n%end\n{{a}}')
self.assertEqual(u"1", t.render(x=True))
self.assertEqual(u"2", t.render(x=False))
t = SimpleTemplate('%if x:\n%a=1\n%else: a=2\n{{a}}')
self.assertEqual(u"1", t.render(x=True))
self.assertEqual(u"2", t.render(x=False))
t = SimpleTemplate('%if x: a=1\n%else: a=2\n{{a}}')
self.assertEqual(u"1", t.render(x=True))
self.assertEqual(u"2", t.render(x=False))
def test_onelineblocks(self):
""" Templates: one line code blocks """
t = SimpleTemplate("start\n%a=''\n%for i in l: a += str(i)\n{{a}}\nend")
self.assertEqual(u'start\n123\nend', t.render(l=[1,2,3]))
self.assertEqual(u'start\n\nend', t.render(l=[]))
def test_escaped_codelines(self):
t = SimpleTemplate('%% test')
self.assertEqual(u'% test', t.render())
t = SimpleTemplate('%%% test')
self.assertEqual(u'%% test', t.render())
def test_nobreak(self):
""" Templates: Nobreak statements"""
t = SimpleTemplate("start\\\\\n%pass\nend")
self.assertEqual(u'startend', t.render())
def test_nonobreak(self):
""" Templates: Escaped nobreak statements"""
t = SimpleTemplate("start\\\\\n\\\\\n%pass\nend")
self.assertEqual(u'start\\\\\nend', t.render())
def test_include(self):
""" Templates: Include statements"""
t = SimpleTemplate(name='stpl_include', lookup=['./views/'])
self.assertEqual(u'before\nstart var end\nafter\n', t.render(var='var'))
def test_rebase(self):
""" Templates: %rebase and method passing """
t = SimpleTemplate(name='stpl_t2main', lookup=['./views/'])
result=u'+base+\n+main+\n!1234!\n+include+\n-main-\n+include+\n-base-\n'
self.assertEqual(result, t.render(content='1234'))
def test_notfound(self):
""" Templates: Unavailable templates"""
self.assertRaises(TemplateError, SimpleTemplate, name="abcdef")
def test_error(self):
""" Templates: Exceptions"""
self.assertRaises(SyntaxError, lambda: SimpleTemplate('%for badsyntax').co)
self.assertRaises(IndexError, SimpleTemplate('{{i[5]}}').render, i=[0])
def test_winbreaks(self):
""" Templates: Test windows line breaks """
t = SimpleTemplate('%var+=1\r\n{{var}}\r\n')
t = t.render(var=5)
self.assertEqual(u'6\r\n', t)
def test_commentonly(self):
""" Templates: Commentd should behave like code-lines (e.g. flush text-lines) """
t = SimpleTemplate('...\n%#test\n...')
self.failIfEqual('#test', t.code.splitlines()[0])
def test_detect_pep263(self):
''' PEP263 strings in code-lines change the template encoding on the fly '''
t = SimpleTemplate(u'%#coding: iso8859_15\nöäü?@€'.encode('utf8'))
self.failIfEqual(u'öäü?@€', t.render())
self.assertEqual(t.encoding, 'iso8859_15')
t = SimpleTemplate(u'%#coding: iso8859_15\nöäü?@€'.encode('iso8859_15'))
self.assertEqual(u'öäü?@€', t.render())
self.assertEqual(t.encoding, 'iso8859_15')
self.assertEqual(2, len(t.code.splitlines()))
def test_ignore_pep263_in_textline(self):
''' PEP263 strings in text-lines have no effect '''
self.assertRaises(UnicodeError, lambda: SimpleTemplate(u'#coding: iso8859_15\nöäü?@€'.encode('iso8859_15')).co)
t = SimpleTemplate(u'#coding: iso8859_15\nöäü?@€'.encode('utf8'))
self.assertEqual(u'#coding: iso8859_15\nöäü?@€', t.render())
self.assertEqual(t.encoding, 'utf8')
def test_ignore_late_pep263(self):
''' PEP263 strings must appear within the first two lines '''
self.assertRaises(UnicodeError, lambda: SimpleTemplate(u'\n\n%#coding: iso8859_15\nöäü?@€'.encode('iso8859_15')).co)
t = SimpleTemplate(u'\n\n%#coding: iso8859_15\nöäü?@€'.encode('utf8'))
self.assertEqual(u'\n\nöäü?@€', t.render())
self.assertEqual(t.encoding, 'utf8')
def test_template_shortcut(self):
result = template('start {{var}} end', var='middle')
self.assertEqual(u'start middle end', result)
def test_view_decorator(self):
@view('start {{var}} end')
def test():
return dict(var='middle')
self.assertEqual(u'start middle end', test())
if __name__ == '__main__': #pragma: no cover
unittest.main()