def testRuleNamesWithAscentAndDescent(self):
self.rules = [
Rule("aaaaa", NonTerminal("ascent and descent")),
Rule("ppppp", NonTerminal("should")),
Rule("ddddd", NonTerminal("look")),
Rule("dddpp", NonTerminal("right"))
]
def testRestrictionWithLongerException(self):
self.rules = [
Rule(
"restriction",
Restriction(Terminal("base"),
Terminal("long exception branch")))
]
def testRestrictionWithShorterException(self):
self.rules = [
Rule(
"restriction",
Restriction(Terminal("long base branch"),
Terminal("exception")))
]
def testRepetitionWithLongBackwardBranch(self):
self.rules = [
Rule(
"repetition",
Repetition(Terminal("forward"),
Terminal("backward branch is longer")))
]
def testSequence(self):
self.rules = [
Rule(
"sequence",
Sequence([
NonTerminal("with"),
NonTerminal("one"),
NonTerminal("branch")
]))
]
def testAlternative(self):
self.rules = [
Rule(
"alternative",
Alternative([
NonTerminal("with"),
NonTerminal("several"),
NonTerminal("branches")
]))
]
def testNull(self):
self.rules = [
Rule(
"sequence with null",
Sequence([
Terminal("space here ->"), Null,
Terminal("should be like here ->"),
Terminal("foo")
]))
]
def testImbricatedRepetitions(self):
self.rules = [
Rule(
"repetition",
Repetition(
Repetition(NonTerminal("forward 1"),
NonTerminal("backward 1")),
Repetition(NonTerminal("forward 2"),
NonTerminal("backward 2"))))
]
def testBackwardAlternative(self):
self.rules = [
Rule(
"repetition",
Repetition(
NonTerminal("forward"),
Alternative([
NonTerminal("foo"),
NonTerminal("bar"),
NonTerminal("baz")
])))
]
def testAlternativeWithOneBranch(self):
self.rules = [
Rule("alternative", Alternative([NonTerminal("with one branch")]))
]
def testLongRuleName(self):
self.rules = [
Rule("this long rule name should not be truncated",
NonTerminal("foo")),
]
def testTerminal(self):
self.rules = [Rule("terminal", Terminal("in a rounded rectangle"))]
def testNonTerminal(self):
self.rules = [Rule("non terminal", NonTerminal("in a rectangle"))]