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			245 lines
		
	
	
	
		
			8.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			245 lines
		
	
	
	
		
			8.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """Tests to cover the Tools/i18n package"""
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| 
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| import os
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| import sys
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| import unittest
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| from textwrap import dedent
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| 
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| from test.support.script_helper import assert_python_ok
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| from test.test_tools import skip_if_missing, toolsdir
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| from test.support import temp_cwd, temp_dir
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| 
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| 
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| skip_if_missing()
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| 
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| 
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| class Test_pygettext(unittest.TestCase):
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|     """Tests for the pygettext.py tool"""
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| 
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|     script = os.path.join(toolsdir,'i18n', 'pygettext.py')
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| 
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|     def get_header(self, data):
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|         """ utility: return the header of a .po file as a dictionary """
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|         headers = {}
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|         for line in data.split('\n'):
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|             if not line or line.startswith(('#', 'msgid','msgstr')):
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|                 continue
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|             line = line.strip('"')
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|             key, val = line.split(':',1)
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|             headers[key] = val.strip()
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|         return headers
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| 
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|     def get_msgids(self, data):
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|         """ utility: return all msgids in .po file as a list of strings """
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|         msgids = []
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|         reading_msgid = False
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|         cur_msgid = []
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|         for line in data.split('\n'):
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|             if reading_msgid:
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|                 if line.startswith('"'):
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|                     cur_msgid.append(line.strip('"'))
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|                 else:
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|                     msgids.append('\n'.join(cur_msgid))
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|                     cur_msgid = []
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|                     reading_msgid = False
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|                     continue
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|             if line.startswith('msgid '):
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|                 line = line[len('msgid '):]
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|                 cur_msgid.append(line.strip('"'))
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|                 reading_msgid = True
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|         else:
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|             if reading_msgid:
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|                 msgids.append('\n'.join(cur_msgid))
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| 
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|         return msgids
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| 
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|     def extract_docstrings_from_str(self, module_content):
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|         """ utility: return all msgids extracted from module_content """
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|         filename = 'test_docstrings.py'
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|         with temp_cwd(None) as cwd:
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|             with open(filename, 'w') as fp:
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|                 fp.write(module_content)
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|             assert_python_ok(self.script, '-D', filename)
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|             with open('messages.pot') as fp:
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|                 data = fp.read()
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|         return self.get_msgids(data)
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| 
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|     def test_header(self):
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|         """Make sure the required fields are in the header, according to:
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|            http://www.gnu.org/software/gettext/manual/gettext.html#Header-Entry
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|         """
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|         with temp_cwd(None) as cwd:
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|             assert_python_ok(self.script)
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|             with open('messages.pot') as fp:
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|                 data = fp.read()
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|             header = self.get_header(data)
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| 
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|             self.assertIn("Project-Id-Version", header)
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|             self.assertIn("POT-Creation-Date", header)
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|             self.assertIn("PO-Revision-Date", header)
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|             self.assertIn("Last-Translator", header)
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|             self.assertIn("Language-Team", header)
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|             self.assertIn("MIME-Version", header)
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|             self.assertIn("Content-Type", header)
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|             self.assertIn("Content-Transfer-Encoding", header)
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|             self.assertIn("Generated-By", header)
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| 
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|             # not clear if these should be required in POT (template) files
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|             #self.assertIn("Report-Msgid-Bugs-To", header)
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|             #self.assertIn("Language", header)
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| 
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|             #"Plural-Forms" is optional
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| 
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|     @unittest.skipIf(sys.platform.startswith('aix'),
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|                      'bpo-29972: broken test on AIX')
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|     def test_POT_Creation_Date(self):
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|         """ Match the date format from xgettext for POT-Creation-Date """
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|         from datetime import datetime
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|         with temp_cwd(None) as cwd:
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|             assert_python_ok(self.script)
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|             with open('messages.pot') as fp:
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|                 data = fp.read()
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|             header = self.get_header(data)
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|             creationDate = header['POT-Creation-Date']
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| 
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|             # peel off the escaped newline at the end of string
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|             if creationDate.endswith('\\n'):
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|                 creationDate = creationDate[:-len('\\n')]
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| 
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|             # This will raise if the date format does not exactly match.
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|             datetime.strptime(creationDate, '%Y-%m-%d %H:%M%z')
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| 
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|     def test_funcdocstring(self):
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|         for doc in ('"""doc"""', "r'''doc'''", "R'doc'", 'u"doc"'):
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|             with self.subTest(doc):
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|                 msgids = self.extract_docstrings_from_str(dedent('''\
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|                 def foo(bar):
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|                     %s
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|                 ''' % doc))
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|                 self.assertIn('doc', msgids)
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| 
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|     def test_funcdocstring_bytes(self):
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|         msgids = self.extract_docstrings_from_str(dedent('''\
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|         def foo(bar):
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|             b"""doc"""
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|         '''))
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|         self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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| 
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|     def test_funcdocstring_fstring(self):
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|         msgids = self.extract_docstrings_from_str(dedent('''\
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|         def foo(bar):
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|             f"""doc"""
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|         '''))
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|         self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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| 
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|     def test_classdocstring(self):
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|         for doc in ('"""doc"""', "r'''doc'''", "R'doc'", 'u"doc"'):
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|             with self.subTest(doc):
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|                 msgids = self.extract_docstrings_from_str(dedent('''\
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|                 class C:
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|                     %s
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|                 ''' % doc))
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|                 self.assertIn('doc', msgids)
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| 
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|     def test_classdocstring_bytes(self):
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|         msgids = self.extract_docstrings_from_str(dedent('''\
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|         class C:
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|             b"""doc"""
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|         '''))
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|         self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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| 
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|     def test_classdocstring_fstring(self):
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|         msgids = self.extract_docstrings_from_str(dedent('''\
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|         class C:
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|             f"""doc"""
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|         '''))
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|         self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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| 
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|     def test_msgid(self):
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|         msgids = self.extract_docstrings_from_str(
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|                 '''_("""doc""" r'str' u"ing")''')
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|         self.assertIn('docstring', msgids)
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| 
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|     def test_msgid_bytes(self):
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|         msgids = self.extract_docstrings_from_str('_(b"""doc""")')
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|         self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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| 
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|     def test_msgid_fstring(self):
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|         msgids = self.extract_docstrings_from_str('_(f"""doc""")')
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|         self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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| 
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|     def test_funcdocstring_annotated_args(self):
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|         """ Test docstrings for functions with annotated args """
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|         msgids = self.extract_docstrings_from_str(dedent('''\
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|         def foo(bar: str):
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|             """doc"""
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|         '''))
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|         self.assertIn('doc', msgids)
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| 
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|     def test_funcdocstring_annotated_return(self):
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|         """ Test docstrings for functions with annotated return type """
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|         msgids = self.extract_docstrings_from_str(dedent('''\
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|         def foo(bar) -> str:
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|             """doc"""
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|         '''))
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|         self.assertIn('doc', msgids)
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| 
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|     def test_funcdocstring_defvalue_args(self):
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|         """ Test docstring for functions with default arg values """
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|         msgids = self.extract_docstrings_from_str(dedent('''\
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|         def foo(bar=()):
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|             """doc"""
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|         '''))
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|         self.assertIn('doc', msgids)
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| 
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|     def test_funcdocstring_multiple_funcs(self):
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|         """ Test docstring extraction for multiple functions combining
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|         annotated args, annotated return types and default arg values
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|         """
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|         msgids = self.extract_docstrings_from_str(dedent('''\
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|         def foo1(bar: tuple=()) -> str:
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|             """doc1"""
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| 
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|         def foo2(bar: List[1:2]) -> (lambda x: x):
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|             """doc2"""
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| 
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|         def foo3(bar: 'func'=lambda x: x) -> {1: 2}:
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|             """doc3"""
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|         '''))
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|         self.assertIn('doc1', msgids)
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|         self.assertIn('doc2', msgids)
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|         self.assertIn('doc3', msgids)
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| 
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|     def test_classdocstring_early_colon(self):
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|         """ Test docstring extraction for a class with colons occurring within
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|         the parentheses.
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|         """
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|         msgids = self.extract_docstrings_from_str(dedent('''\
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|         class D(L[1:2], F({1: 2}), metaclass=M(lambda x: x)):
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|             """doc"""
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|         '''))
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|         self.assertIn('doc', msgids)
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| 
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|     def test_files_list(self):
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|         """Make sure the directories are inspected for source files
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|            bpo-31920
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|         """
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|         text1 = 'Text to translate1'
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|         text2 = 'Text to translate2'
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|         text3 = 'Text to ignore'
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|         with temp_cwd(None), temp_dir(None) as sdir:
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|             os.mkdir(os.path.join(sdir, 'pypkg'))
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|             with open(os.path.join(sdir, 'pypkg', 'pymod.py'), 'w') as sfile:
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|                 sfile.write(f'_({text1!r})')
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|             os.mkdir(os.path.join(sdir, 'pkg.py'))
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|             with open(os.path.join(sdir, 'pkg.py', 'pymod2.py'), 'w') as sfile:
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|                 sfile.write(f'_({text2!r})')
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|             os.mkdir(os.path.join(sdir, 'CVS'))
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|             with open(os.path.join(sdir, 'CVS', 'pymod3.py'), 'w') as sfile:
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|                 sfile.write(f'_({text3!r})')
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|             assert_python_ok(self.script, sdir)
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|             with open('messages.pot') as fp:
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|                 data = fp.read()
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|             self.assertIn(f'msgid "{text1}"', data)
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|             self.assertIn(f'msgid "{text2}"', data)
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|             self.assertNotIn(text3, data)
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