def test_parses_comma_separated_group_as_or_expression(self):
tags = TagExpression()
node = tags.parse('@tag_1,~@tag_2,@tag_3')
node |should| be_instance_of(OrNode)
node_1, node_2, node_3 = node.child_nodes
node_1 |should| be_instance_of(TagNode)
node_1.name |should| be_equal_to('tag_1')
node_2 |should| be_instance_of(NegationNode)
node_2.child |should| be_instance_of(TagNode)
node_2.child.name |should| be_equal_to('tag_2')
node_3 |should| be_instance_of(TagNode)
node_3.name |should| be_equal_to('tag_3')
def test_parses_comma_separated_group_as_or_expression(self):
tags = TagExpression()
node = tags.parse('@tag_1,~@tag_2,@tag_3')
node | should | be_instance_of(OrNode)
node_1, node_2, node_3 = node.child_nodes
node_1 | should | be_instance_of(TagNode)
node_1.name | should | be_equal_to('tag_1')
node_2 | should | be_instance_of(NegationNode)
node_2.child | should | be_instance_of(TagNode)
node_2.child.name | should | be_equal_to('tag_2')
node_3 | should | be_instance_of(TagNode)
node_3.name | should | be_equal_to('tag_3')
def test_parses_negated_tag(self):
tags = TagExpression()
node = tags.parse('~@tag_name')
node |should| be_instance_of(NegationNode)
node.child |should| be_instance_of(TagNode)
node.child.name |should| be_equal_to('tag_name')
def test_parses_tag(self):
tags = TagExpression()
node = tags.parse('@tag_name')
node |should| be_instance_of(TagNode)
node.name |should| be_equal_to('tag_name')
def test_parses_negated_tag(self):
tags = TagExpression()
node = tags.parse('~@tag_name')
node | should | be_instance_of(NegationNode)
node.child | should | be_instance_of(TagNode)
node.child.name | should | be_equal_to('tag_name')
def test_parses_tag(self):
tags = TagExpression()
node = tags.parse('@tag_name')
node | should | be_instance_of(TagNode)
node.name | should | be_equal_to('tag_name')