def testParseComparisonExpr(self):
self.assertEqual(
ParseExprFromStr('5比6大')[0],
ComparisonExpr(LiteralExpr(Token(TK_INTEGER_LITERAL, 5)),
Keyword('大'),
LiteralExpr(Token(TK_INTEGER_LITERAL, 6))))
self.assertEqual(
ParseExprFromStr('老王加5比6小')[0],
ComparisonExpr(
ArithmeticExpr(VariableExpr(Token(TK_IDENTIFIER, '老王')),
Keyword('加'),
LiteralExpr(Token(TK_INTEGER_LITERAL, 5))),
Keyword('小'), LiteralExpr(Token(TK_INTEGER_LITERAL, 6))))
self.assertEqual(
ParseExprFromStr('老王跟老刘一样一样的')[0],
ComparisonExpr(VariableExpr(Token(TK_IDENTIFIER, '老王')),
Keyword('一样一样的'),
VariableExpr(Token(TK_IDENTIFIER, '老刘'))))
self.assertEqual(
ParseExprFromStr('老王加5跟6不是一样一样的')[0],
ComparisonExpr(
ArithmeticExpr(VariableExpr(Token(TK_IDENTIFIER, '老王')),
Keyword('加'),
LiteralExpr(Token(TK_INTEGER_LITERAL, 5))),
Keyword('不是一样一样的'), LiteralExpr(Token(TK_INTEGER_LITERAL, 6))))
def testParseComparisonExpr(self):
self.assertEqual(ParseExprFromStr('5比6大')[0],
ComparisonExpr(
IntegerLiteralExpr(5),
Keyword('大'),
IntegerLiteralExpr(6)
))
self.assertEqual(ParseExprFromStr('老王加5比6小')[0],
ComparisonExpr(
ArithmeticExpr(
VariableExpr('老王'),
Keyword('加'),
IntegerLiteralExpr(5)),
Keyword('小'),
IntegerLiteralExpr(6)
))
self.assertEqual(ParseExprFromStr('老王跟老刘一样一样的')[0],
ComparisonExpr(
VariableExpr('老王'),
Keyword('一样一样的'),
VariableExpr('老刘')
))
self.assertEqual(ParseExprFromStr('老王加5跟6不是一样一样的')[0],
ComparisonExpr(
ArithmeticExpr(
VariableExpr('老王'),
Keyword('加'),
IntegerLiteralExpr(5)),
Keyword('不是一样一样的'),
IntegerLiteralExpr(6)
))
def testParsingComparison(self):
self.assertEquals(ParseToAst('唠唠：2比5大。'), [
Statement(
STMT_SAY,
ComparisonExpr(IntegerLiteralExpr(2), Keyword('大'),
IntegerLiteralExpr(5)))
])
def DisabledTestParsingComparison(self):
self.assertEquals(
ParseToAst(u'唠唠：2比5大。'),
[Statement(
STMT_SAY,
ComparisonExpr(2, 'GT', 5)
)])
def testParsingComparison(self):
self.assertEquals(ParseToAst('唠唠：2比5大。'), [
Statement(
STMT_SAY,
ComparisonExpr(LiteralExpr(Token(TK_INTEGER_LITERAL, 2)),
Keyword('大'),
LiteralExpr(Token(TK_INTEGER_LITERAL, 5))))
])
def testParseConditional(self):
self.assertEqual(
ParseStmtFromStr('寻思：老王比五大？要行咧就唠唠：老王。')[0],
Statement(
STMT_CONDITIONAL,
(
ComparisonExpr(VariableExpr('老王'), Keyword('大'),
IntegerLiteralExpr(5)),
# then-branch
Statement(STMT_SAY, VariableExpr('老王')),
# else-branch
None)))
def testParseConditional(self):
self.assertEqual(
ParseStmtFromStr('寻思：老王比五大？要行咧就唠唠：老王。')[0],
Statement(
STMT_CONDITIONAL,
(
ComparisonExpr(VariableExpr(Token(TK_IDENTIFIER, '老王')),
Keyword('大'),
LiteralExpr(Token(TK_INTEGER_LITERAL, 5))),
# then-branch
Statement(STMT_SAY, VariableExpr(Token(
TK_IDENTIFIER, '老王'))),
# else-branch
None)))