The Tor Browser: build/pymake/tests/parsertests.py@b8a032363ba2 (annotated)

build/pymake/tests/parsertests.py@b8a032363ba2 (annotated)

build/pymake/tests/parsertests.py

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 import pymake.data, pymake.parser, pymake.parserdata, pymake.functions
 import unittest
 import logging
 from cStringIO import StringIO
 def multitest(cls):
     for name in cls.testdata.iterkeys():
         def m(self, name=name):
             return self.runSingle(*self.testdata[name])
         setattr(cls, 'test_%s' % name, m)
     return cls
 class TestBase(unittest.TestCase):
     def assertEqual(self, a, b, msg=""):
         """Actually print the values which weren't equal, if things don't work out!"""
         unittest.TestCase.assertEqual(self, a, b, "%s got %r expected %r" % (msg, a, b))
 class DataTest(TestBase):
     testdata = {
         'oneline':
             ("He\tllo", "f", 1, 0,
              ((0, "f", 1, 0), (2, "f", 1, 2), (3, "f", 1, 4))),
         'twoline':
             ("line1 \n\tl\tine2", "f", 1, 4,
              ((0, "f", 1, 4), (5, "f", 1, 9), (6, "f", 1, 10), (7, "f", 2, 0), (8, "f", 2, 4), (10, "f", 2, 8), (13, "f", 2, 11))),
     }
     def runSingle(self, data, filename, line, col, results):
         d = pymake.parser.Data(data, 0, len(data), pymake.parserdata.Location(filename, line, col))
         for pos, file, lineno, col in results:
             loc = d.getloc(pos)
             self.assertEqual(loc.path, file, "data file offset %i" % pos)
             self.assertEqual(loc.line, lineno, "data line offset %i" % pos)
             self.assertEqual(loc.column, col, "data col offset %i" % pos)
 multitest(DataTest)
 class LineEnumeratorTest(TestBase):
     testdata = {
         'simple': (
             'Hello, world', [
                 ('Hello, world', 1),
                 ]
             ),
         'multi': (
             'Hello\nhappy  \n\nworld\n', [
                 ('Hello', 1),
                 ('happy  ', 2),
                 ('', 3),
                 ('world', 4),
                 ('', 5),
                 ]
             ),
         'continuation': (
             'Hello, \\\n world\nJellybeans!', [
                 ('Hello, \\\n world', 1),
                 ('Jellybeans!', 3),
                 ]
             ),
         'multislash': (
             'Hello, \\\\\n world', [
                 ('Hello, \\\\', 1),
                 (' world', 2),
                 ]
             )
         }
     def runSingle(self, s, lines):
         gotlines = [(d.s[d.lstart:d.lend], d.loc.line) for d in pymake.parser.enumeratelines(s, 'path')]
         self.assertEqual(gotlines, lines)
 multitest(LineEnumeratorTest)
 class IterTest(TestBase):
     testdata = {
         'plaindata': (
             pymake.parser.iterdata,
             "plaindata # test\n",
             "plaindata # test\n"
             ),
         'makecomment': (
             pymake.parser.itermakefilechars,
             "VAR = val # comment",
             "VAR = val "
             ),
         'makeescapedcomment': (
             pymake.parser.itermakefilechars,
             "VAR = val \# escaped hash",
             "VAR = val # escaped hash"
             ),
         'makeescapedslash': (
             pymake.parser.itermakefilechars,
             "VAR = val\\\\",
             "VAR = val\\\\",
             ),
         'makecontinuation': (
             pymake.parser.itermakefilechars,
             "VAR = VAL  \\\n  continuation # comment \\\n  continuation",
             "VAR = VAL continuation "
             ),
         'makecontinuation2': (
             pymake.parser.itermakefilechars,
             "VAR = VAL  \\  \\\n continuation",
             "VAR = VAL  \\ continuation"
             ),
         'makeawful': (
             pymake.parser.itermakefilechars,
             "VAR = VAL  \\\\# comment\n",
             "VAR = VAL  \\"
             ),
         'command': (
             pymake.parser.itercommandchars,
             "echo boo # comment",
             "echo boo # comment",
             ),
         'commandcomment': (
             pymake.parser.itercommandchars,
             "echo boo \# comment",
             "echo boo \# comment",
             ),
         'commandcontinue': (
             pymake.parser.itercommandchars,
             "echo boo # \\\n\t  command 2",
             "echo boo # \\\n  command 2"
             ),
     }
     def runSingle(self, ifunc, idata, expected):
         d = pymake.parser.Data.fromstring(idata, 'IterTest data')
         it = pymake.parser._alltokens.finditer(d.s, 0, d.lend)
         actual = ''.join( [c for c, t, o, oo in ifunc(d, 0, ('dummy-token',), it)] )
         self.assertEqual(actual, expected)
         if ifunc == pymake.parser.itermakefilechars:
             print "testing %r" % expected
             self.assertEqual(pymake.parser.flattenmakesyntax(d, 0), expected)
 multitest(IterTest)
 #         'define': (
 #             pymake.parser.iterdefinechars,
 #             "endef",
 #             ""
 #             ),
 #        'definenesting': (
 #            pymake.parser.iterdefinechars,
 #            """define BAR # comment
 #random text
 #endef not what you think!
 #endef # comment is ok\n""",
 #            """define BAR # comment
 #random text
 #endef not what you think!"""
 #            ),
 #        'defineescaped': (
 #            pymake.parser.iterdefinechars,
 #            """value   \\
 #endef
 #endef\n""",
 #            "value endef"
 #        ),
 class MakeSyntaxTest(TestBase):
     # (string, startat, stopat, stopoffset, expansion
     testdata = {
         'text': ('hello world', 0, (), None, ['hello world']),
         'singlechar': ('hello $W', 0, (), None,
                        ['hello ',
                         {'type': 'VariableRef',
                          '.vname': ['W']}
                         ]),
         'stopat': ('hello: world', 0, (':', '='), 6, ['hello']),
         'funccall': ('h $(flavor FOO)', 0, (), None,
                      ['h ',
                       {'type': 'FlavorFunction',
                        '[0]': ['FOO']}
                       ]),
         'escapedollar': ('hello$$world', 0, (), None, ['hello$world']),
         'varref': ('echo $(VAR)', 0, (), None,
                    ['echo ',
                     {'type': 'VariableRef',
                      '.vname': ['VAR']}
                     ]),
         'dynamicvarname': ('echo $($(VARNAME):.c=.o)', 0, (':',), None,
                            ['echo ',
                             {'type': 'SubstitutionRef',
                              '.vname': [{'type': 'VariableRef',
                                          '.vname': ['VARNAME']}
                                         ],
                              '.substfrom': ['.c'],
                              '.substto': ['.o']}
                             ]),
         'substref': ('  $(VAR:VAL) := $(VAL)', 0, (':=', '+=', '=', ':'), 15,
                      ['  ',
                       {'type': 'VariableRef',
                        '.vname': ['VAR:VAL']},
                       ' ']),
         'vadsubstref': ('  $(VAR:VAL) = $(VAL)', 15, (), None,
                         [{'type': 'VariableRef',
                           '.vname': ['VAL']},
                          ]),
         }
     def compareRecursive(self, actual, expected, path):
         self.assertEqual(len(actual), len(expected),
                          "compareRecursive: %s %r" % (path, actual))
         for i in xrange(0, len(actual)):
             ipath = path + [i]
             a, isfunc = actual[i]
             e = expected[i]
             if isinstance(e, str):
                 self.assertEqual(a, e, "compareRecursive: %s" % (ipath,))
             else:
                 self.assertEqual(type(a), getattr(pymake.functions, e['type']),
                                  "compareRecursive: %s" % (ipath,))
                 for k, v in e.iteritems():
                     if k == 'type':
                         pass
                     elif k[0] == '[':
                         item = int(k[1:-1])
                         proppath = ipath + [item]
                         self.compareRecursive(a[item], v, proppath)
                     elif k[0] == '.':
                         item = k[1:]
                         proppath = ipath + [item]
                         self.compareRecursive(getattr(a, item), v, proppath)
                     else:
                         raise Exception("Unexpected property at %s: %s" % (ipath, k))
     def runSingle(self, s, startat, stopat, stopoffset, expansion):
         d = pymake.parser.Data.fromstring(s, pymake.parserdata.Location('testdata', 1, 0))
         a, t, offset = pymake.parser.parsemakesyntax(d, startat, stopat, pymake.parser.itermakefilechars)
         self.compareRecursive(a, expansion, [])
         self.assertEqual(offset, stopoffset)
 multitest(MakeSyntaxTest)
 class VariableTest(TestBase):
     testdata = """
     VAR = value
     VARNAME = TESTVAR
     $(VARNAME) = testvalue
     $(VARNAME:VAR=VAL) = moretesting
     IMM := $(VARNAME) # this is a comment
     MULTIVAR = val1 \\
   val2
     VARNAME = newname
     """
     expected = {'VAR': 'value',
                 'VARNAME': 'newname',
                 'TESTVAR': 'testvalue',
                 'TESTVAL': 'moretesting',
                 'IMM': 'TESTVAR ',
                 'MULTIVAR': 'val1 val2',
                 'UNDEF': None}
     def runTest(self):
         stmts = pymake.parser.parsestring(self.testdata, 'VariableTest')
         m = pymake.data.Makefile()
         stmts.execute(m)
         for k, v in self.expected.iteritems():
             flavor, source, val = m.variables.get(k)
             if val is None:
                 self.assertEqual(val, v, 'variable named %s' % k)
             else:
                 self.assertEqual(val.resolvestr(m, m.variables), v, 'variable named %s' % k)
 class SimpleRuleTest(TestBase):
     testdata = """
     VAR = value
 TSPEC = dummy
 all: TSPEC = myrule
 all:: test test2 $(VAR)
 	echo "Hello, $(TSPEC)"
 %.o: %.c
 	$(CC) -o $@ $<
 """
     def runTest(self):
         stmts = pymake.parser.parsestring(self.testdata, 'SimpleRuleTest')
         m = pymake.data.Makefile()
         stmts.execute(m)
         self.assertEqual(m.defaulttarget, 'all', "Default target")
         self.assertTrue(m.hastarget('all'), "Has 'all' target")
         target = m.gettarget('all')
         rules = target.rules
         self.assertEqual(len(rules), 1, "Number of rules")
         prereqs = rules[0].prerequisites
         self.assertEqual(prereqs, ['test', 'test2', 'value'], "Prerequisites")
         commands = rules[0].commands
         self.assertEqual(len(commands), 1, "Number of commands")
         expanded = commands[0].resolvestr(m, target.variables)
         self.assertEqual(expanded, 'echo "Hello, myrule"')
         irules = m.implicitrules
         self.assertEqual(len(irules), 1, "Number of implicit rules")
         irule = irules[0]
         self.assertEqual(len(irule.targetpatterns), 1, "%.o target pattern count")
         self.assertEqual(len(irule.prerequisites), 1, "%.o prerequisite count")
         self.assertEqual(irule.targetpatterns[0].match('foo.o'), 'foo', "%.o stem")
 if __name__ == '__main__':
     logging.basicConfig(level=logging.DEBUG)
     unittest.main()

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build/pymake/tests/parsertests.py@b8a032363ba2 (annotated)

build/pymake/tests/parsertests.py