Source Code for Module lepl.matchers._test.error

  1   
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 12  # The Original Code is LEPL (http://www.acooke.org/lepl) 
 13  # The Initial Developer of the Original Code is Andrew Cooke. 
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 15  # Andrew Cooke (andrew@acooke.org). All Rights Reserved. 
 16  # 
 17  # Alternatively, the contents of this file may be used under the terms 
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 29   
 30  ''' 
 31  Tests for the lepl.matchers.error module. 
 32  ''' 
 33   
 34  #from logging import basicConfig, DEBUG 
 35  from unittest import TestCase 
 36   
 37  from lepl import Literal, Error 
 38  from lepl.matchers.error import make_error 
 39  from lepl.matchers.variables import TraceVariables 
 40   
 41   
 42  # pylint: disable-msg=C0103, C0111, C0301, W0702, C0324, C0102, C0321, W0141, R0201 
 43  # (dude this is just a test) 
 44   
 45       
 46 -class MessageTest(TestCase): 
 47      ''' 
 48      Check generation of Error nodes. 
 49      ''' 
 50       
 51 -    def test_simple(self): 
 52          ''' 
 53          Test a message with no fmtting. 
 54          ''' 
 55          parser = (Literal('abc') > 'name') ** make_error('msg') 
 56          parser.config.no_full_first_match() 
 57          node = parser.parse('abc')[0] 
 58          assert isinstance(node, Error) 
 59          assert node[0] == 'msg', node[0] 
 60          assert str(node).startswith('msg ('), str(node) 
 61          assert isinstance(node, Exception), type(node) 
 62   
 63 -    def test_fmtted(self): 
 64          ''' 
 65          Test a message with fmtting. 
 66          ''' 
 67          parser = (Literal('abc') > 'name') ** make_error('msg {in_rest}') 
 68          parser.config.no_full_first_match() 
 69          node = parser.parse('abc')[0] 
 70          assert isinstance(node, Error) 
 71          assert node[0] == "msg 'abc'", node[0] 
 72          assert str(node).startswith("msg 'abc' ("), str(node) 
 73          assert isinstance(node, Exception), type(node) 
 74           
 75 -    def test_bad_fmt(self): 
 76          ''' 
 77          Test a message with bad fmtting. 
 78          ''' 
 79          try: 
 80              parser = (Literal('abc') > 'name') ** make_error('msg {0}') 
 81              parser.config.no_full_first_match() 
 82              list(parser.match('abc')) 
 83              assert False, 'expected error' 
 84          except IndexError: 
 85              pass 
 86   
 87 -    def test_list(self): 
 88          ''' 
 89          Code has an exception for handling lists. 
 90          ''' 
 91          #basicConfig(level=DEBUG) 
 92          with TraceVariables(): 
 93              parser = (Literal([1, 2, 3]) > 'name') ** make_error('msg {in_str}') 
 94          parser.config.no_full_first_match() 
 95          node = parser.parse([1, 2, 3])[0] 
 96          assert isinstance(node, Error) 
 97          assert node[0] == 'msg 1', node[0] 
 98          assert str(node).startswith('msg 1 ('), str(node) 
 99          assert isinstance(node, Exception), type(node) 
100