ruby/test/psych/visitors/test_emitter.rb

146 строки
3.7 KiB
Ruby

# frozen_string_literal: true
require 'psych/helper'
module Psych
module Visitors
class TestEmitter < TestCase
def setup
super
@io = StringIO.new
@visitor = Visitors::Emitter.new @io
end
def test_options
io = StringIO.new
visitor = Visitors::Emitter.new io, :indentation => 3
s = Nodes::Stream.new
doc = Nodes::Document.new
mapping = Nodes::Mapping.new
m2 = Nodes::Mapping.new
m2.children << Nodes::Scalar.new('a')
m2.children << Nodes::Scalar.new('b')
mapping.children << Nodes::Scalar.new('key')
mapping.children << m2
doc.children << mapping
s.children << doc
visitor.accept s
assert_match(/^[ ]{3}a/, io.string)
end
def test_stream
s = Nodes::Stream.new
@visitor.accept s
assert_equal '', @io.string
end
def test_document
s = Nodes::Stream.new
doc = Nodes::Document.new [1,1]
scalar = Nodes::Scalar.new 'hello world'
doc.children << scalar
s.children << doc
@visitor.accept s
assert_match(/1.1/, @io.string)
assert_equal @io.string, s.yaml
end
def test_document_implicit_end
s = Nodes::Stream.new
doc = Nodes::Document.new
mapping = Nodes::Mapping.new
mapping.children << Nodes::Scalar.new('key')
mapping.children << Nodes::Scalar.new('value')
doc.children << mapping
s.children << doc
@visitor.accept s
assert_include(@io.string, "key: value")
assert_equal @io.string, s.yaml
assert_not_include(s.yaml, "...")
end
def test_scalar
s = Nodes::Stream.new
doc = Nodes::Document.new
scalar = Nodes::Scalar.new 'hello world'
doc.children << scalar
s.children << doc
@visitor.accept s
assert_include(@io.string, "hello")
assert_equal @io.string, s.yaml
end
def test_scalar_with_tag
s = Nodes::Stream.new
doc = Nodes::Document.new
scalar = Nodes::Scalar.new 'hello world', nil, '!str', false, false, 5
doc.children << scalar
s.children << doc
@visitor.accept s
assert_include(@io.string, "str")
assert_include(@io.string, "hello")
assert_equal @io.string, s.yaml
end
def test_sequence
s = Nodes::Stream.new
doc = Nodes::Document.new
scalar = Nodes::Scalar.new 'hello world'
seq = Nodes::Sequence.new
seq.children << scalar
doc.children << seq
s.children << doc
@visitor.accept s
assert_include(@io.string, "- hello")
assert_equal @io.string, s.yaml
end
def test_mapping
s = Nodes::Stream.new
doc = Nodes::Document.new
mapping = Nodes::Mapping.new
mapping.children << Nodes::Scalar.new('key')
mapping.children << Nodes::Scalar.new('value')
doc.children << mapping
s.children << doc
@visitor.accept s
assert_include(@io.string, "key: value")
assert_equal @io.string, s.yaml
end
def test_alias
s = Nodes::Stream.new
doc = Nodes::Document.new
mapping = Nodes::Mapping.new
mapping.children << Nodes::Scalar.new('key', 'A')
mapping.children << Nodes::Alias.new('A')
doc.children << mapping
s.children << doc
@visitor.accept s
assert_include(@io.string, "&A key: \*A")
assert_equal @io.string, s.yaml
end
end
end
end