def test_compare_empty(self, type):
l = ast.Literal("l")
r = ast.Literal("r")
a = ast.CompareOperator(type, l, r)
d = {"l": 1, "r": ast.Empty()}
res, ctx = a.analyze(MockPred(), d)
# Determine the expected result
if type == "!=":
assert res
else:
assert not res
if not res:
assert ("%s comparison at" % type.upper()) in ctx.failed[0]
assert ctx.literals["l"] == d["l"]
assert ctx.literals["r"] == ast.Empty()
def test_empty_contains(self):
"Tests removing an Empty contains X"
e = ast.Empty()
v = ast.Literal('foo')
cn = ast.ContainsOperator(e, v)
c, r = optimizer.optimization_pass(cn)
assert c == 1
assert isinstance(r, ast.Constant)
assert r.value == False
def test_names(self):
n1 = ast.Literal("foo")
assert ("Literal", "foo") == merge.node_name(n1)
n2 = ast.Number(12)
assert ("Number", 12) == merge.node_name(n2)
n3 = ast.Constant(True)
assert ("Constant", True) == merge.node_name(n3)
n4 = ast.Regex("^tubez$")
assert ("Regex", "^tubez$") == merge.node_name(n4)
n5 = ast.Undefined()
assert "Undefined" == merge.node_name(n5)
n6 = ast.Empty()
assert "Empty" == merge.node_name(n6)
# Negate does not emit the operator!
n7 = ast.NegateOperator(n3)
assert ("Constant", True) == merge.node_name(n7)
n8 = ast.CompareOperator('=', n1, n2)
n8_name = merge.node_name(n8)
assert ("CompareOperator", "=", ("Literal", "foo"), ("Number",
12)) == n8_name
n8_static = merge.node_name(n8, True)
assert ("CompareOperator", "equality", ("Literal", "foo"),
("Number", "static")) == n8_static
n9 = ast.MatchOperator(n1, n4)
n9_name = merge.node_name(n9)
assert ("MatchOperator", ("Literal", "foo"), ("Regex",
"^tubez$")) == n9_name
n10 = ast.ContainsOperator(n1, n2)
n10_name = merge.node_name(n10)
assert ("ContainsOperator", ("Literal", "foo"), ("Number",
12.0)) == n10_name
# Logical operator returns literal!
n11 = ast.LogicalOperator('and', n1, n3)
n11_name = merge.node_name(n11)
assert ("Literal", "foo") == n11_name
# Literal set just uses name
n12 = ast.LiteralSet([n1, n2])
n12_name = merge.node_name(n12)
assert "LiteralSet" == n12_name
def test_names(self):
n1 = ast.Literal("foo")
assert ("Literal", "foo") == compact.node_name(n1)
n2 = ast.Number(12)
assert ("Number", 12) == compact.node_name(n2)
n3 = ast.Constant(True)
assert ("Constant", True) == compact.node_name(n3)
n4 = ast.Regex("^tubez$")
assert ("Regex", "^tubez$") == compact.node_name(n4)
n5 = ast.Undefined()
assert "Undefined" == compact.node_name(n5)
n6 = ast.Empty()
assert "Empty" == compact.node_name(n6)
n7 = ast.NegateOperator(n3)
assert ("NegateOperator", ("Constant", True)) == compact.node_name(n7)
n8 = ast.CompareOperator('=', n1, n2)
n8_name = compact.node_name(n8)
assert ("CompareOperator", "=", ("Literal", "foo"), ("Number",
12)) == n8_name
n9 = ast.MatchOperator(n1, n4)
n9_name = compact.node_name(n9)
assert ("MatchOperator", ("Literal", "foo"), ("Regex",
"^tubez$")) == n9_name
n10 = ast.ContainsOperator(n1, n2)
n10_name = compact.node_name(n10)
assert ("ContainsOperator", ("Literal", "foo"), ("Number",
12.0)) == n10_name
n11 = ast.LogicalOperator('and', n1, n3)
n11_name = compact.node_name(n11)
assert ("LogicalOperator", "and", ("Literal", "foo"),
("Constant", True)) == n11_name
def test_bad_child(self):
c = ast.CompareOperator("!", ast.Literal("foo"), ast.Empty())
a = ast.LogicalOperator("and", ast.Literal("foo"), c)
valid, info = a.validate()
assert not valid
assert "Unknown compare" in info["errors"][0]
def test_bad_logic(self):
a = ast.LogicalOperator("!", ast.Literal("foo"), ast.Empty())
valid, info = a.validate()
assert not valid
assert "Unknown logical" in info["errors"][0]
def test_bad_compare(self):
a = ast.CompareOperator("!", ast.Literal("foo"), ast.Empty())
valid, info = a.validate()
assert not valid
assert "Unknown compare" in info["errors"][0]
def test_contains_bad(self):
a = ast.ContainsOperator(ast.Literal("foo"), ast.Empty())
valid, info = a.validate()
assert not valid
assert "Contains operator must take" in info["errors"][0]
def test_contains_bad(self):
a = ast.SetComparisonOperator("contains", ast.Literal("foo"),
ast.Empty())
valid, info = a.validate()
assert not valid
assert "must take a literal or constant" in info["errors"][0]
