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require_relative 'helper'
module Psych
class TestTreeBuilder < TestCase
def setup
super
@parser = Psych::Parser.new TreeBuilder.new
@parser.parse(<<-eoyml)
%YAML 1.1
---
- foo
- {
bar : &A !!str baz,
boo : *A
}
- *A
eoyml
@tree = @parser.handler.root
end
def test_stream
assert_instance_of Nodes::Stream, @tree
end
def test_documents
assert_equal 1, @tree.children.length
assert_instance_of Nodes::Document, @tree.children.first
doc = @tree.children.first
assert_equal [1,1], doc.version
assert_equal [], doc.tag_directives
assert_equal false, doc.implicit
end
def test_sequence
doc = @tree.children.first
assert_equal 1, doc.children.length
seq = doc.children.first
assert_instance_of Nodes::Sequence, seq
assert_nil seq.anchor
assert_nil seq.tag
assert_equal true, seq.implicit
assert_equal Nodes::Sequence::BLOCK, seq.style
end
def test_scalar
doc = @tree.children.first
seq = doc.children.first
assert_equal 3, seq.children.length
scalar = seq.children.first
assert_instance_of Nodes::Scalar, scalar
assert_equal 'foo', scalar.value
assert_nil scalar.anchor
assert_nil scalar.tag
assert_equal true, scalar.plain
assert_equal false, scalar.quoted
assert_equal Nodes::Scalar::PLAIN, scalar.style
end
def test_mapping
doc = @tree.children.first
seq = doc.children.first
map = seq.children[1]
assert_instance_of Nodes::Mapping, map
end
def test_alias
doc = @tree.children.first
seq = doc.children.first
assert_equal 3, seq.children.length
al = seq.children[2]
assert_instance_of Nodes::Alias, al
assert_equal 'A', al.anchor
end
end
end
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