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require 'eim_xml/formatter'
require 'eim_xml/dsl'
describe EimXML::Formatter do
describe '.write' do
it 'returns output object' do
s = ''
expect(described_class.write(EimXML::Element.new(:e), out: s)).to equal(s)
end
it 'returns string when destination not given' do
r = described_class.write(EimXML::Element.new(:e))
expect(r).to be_a(String)
end
describe 'should return formatted elements string' do
def write(*arg)
EimXML::Formatter.write(*arg)
end
it '(element not have content)' do
expect(write(EimXML::DSL.element(:e))).to eq("<e />\n")
end
it '(empty element which has attributes)' do
r = (write(EimXML::DSL.element(:e, a1: 'v1', a2: 'v2')) =~ %r{<e (a.='v.') (a.='v.') />})
expect(r).not_to be_nil
expect([Regexp.last_match(1), Regexp.last_match(2)].sort).to eq(["a1='v1'", "a2='v2'"])
end
it '(element in element)' do
e = EimXML::DSL.element(:e) do
element(:s)
end
expect(write(e)).to eq <<~XML
<e>
<s />
</e>
XML
end
it '(elements in element)' do
e = EimXML::DSL.element(:e) do
element(:s1)
element(:s2)
end
expect(write(e)).to eq <<~XML
<e>
<s1 />
<s2 />
</e>
XML
end
it '(comment in element)' do
e = EimXML::DSL.element(:e) do
comment("multi\nline\n pre-indented\n comment")
end
expect(write(e)).to eq <<~XML
<e>
<!-- multi
line
pre-indented
comment -->
</e>
XML
end
it '(string in element)' do
e = EimXML::Element.new(:e)
e.add('string')
expect(write(e)).to eq("<e>\n string\n</e>\n")
expect(write(EimXML::Element.new(:e, a: "&<>\n'\"").add("&<>\n'\""))).to eq(
"<e a='&<>\n'"'>\n &<>\n '"\n</e>\n"
)
expect(write(EimXML::Element.new(:e, a: "&<>\n'\"").add(EimXML::PCString.new("&<>\n'\"", true)))).to eq(
"<e a='&<>\n'"'>\n &<>\n '\"\n</e>\n"
)
end
it '(multi-line string in element)' do
e = EimXML::Element.new(:e)
e.add("multi\nline")
expect(write(e)).to eq <<~XML
<e>
multi
line
</e>
XML
end
describe '(preserve spaces' do
it 'name of element' do
e = EimXML::DSL.element(:e) do
element(:pre1) do
element(:sub1).add('text')
element(:sub2)
end
element(:pre2).add("multi\nline\ntext")
element(:sub1).add('text')
end
s = <<~XML
<e>
<pre1><sub1>text</sub1><sub2 /></pre1>
<pre2>multi
line
text</pre2>
<sub1>
text
</sub1>
</e>
XML
expect(write(e, preservers: %i[pre1 pre2])).to eq(s)
end
it 'class of element' do
m_pre = Class.new(EimXML::Element) do
def initialize(name = nil)
super(name || 'pre')
end
end
m_p1 = Class.new(m_pre) do
def initialize(name = nil)
super(name || 'p1')
end
end
m_p2 = Class.new(m_p1) do
def initialize
super('p2')
end
end
e = EimXML::Element.new(:e)
e << m_pre.new.add("text\nwith\nnewline")
e << m_pre.new('dummy').add("t\nn")
e << m_p1.new.add("t1\nn")
e << m_p2.new.add("t2\nn")
e << m_pre.new.add(EimXML::Element.new(:s).add("t\ns"))
e << m_p2.new.add(EimXML::Element.new(:s).add("t\ns2"))
e << EimXML::Element.new(:s).add(EimXML::Element.new(:s).add("t\ns"))
s = <<~XML
<e>
<pre>text
with
newline</pre>
<dummy>t
n</dummy>
<p1>t1
n</p1>
<p2>t2
n</p2>
<pre><s>t
s</s></pre>
<p2><s>t
s2</s></p2>
<s>
<s>
t
s
</s>
</s>
</e>
XML
expect(write(e, preservers: [m_pre])).to eq(s)
end
end
it '(all)' do
s = <<~XML
<base>
<sub1 />
<sub2>
text2
</sub2>
<sub3 a1='v1'>
<sub31 />
<sub32>
text32
</sub32>
</sub3>
<sub4>
multi-line
text
</sub4>
<sub5>
<sub51 />
sub52
<sub53 />
sub54-1
sub54-2
</sub5>
</base>
XML
e = EimXML::DSL.element(:base) do
element(:sub1)
element(:sub2).add('text2')
element(:sub3, a1: 'v1') do
element(:sub31)
element(:sub32).add('text32')
end
element(:sub4).add("multi-line\ntext")
element(:sub5) do
element(:sub51)
add('sub52')
element(:sub53)
add("sub54-1\nsub54-2")
end
end
expect(write(e)).to eq(s)
end
end
end
end
describe EimXML::Formatter::ElementWrapper do
let(:out) { '' }
let(:opt) { { out:, preservers: [], a: 10, b: 20 } }
let(:formatter) { EimXML::Formatter.new(opt) }
let(:wrapper_class) do
Class.new(EimXML::Formatter::ElementWrapper) do
def initialize(mocks)
super()
@mocks = mocks
end
def contents(_option)
@mocks
end
end
end
let(:mocks) { [double(:m1).as_null_object, double(:m2).as_null_object] }
let(:wrapper) { wrapper_class.new(mocks) }
let(:xml) do
EimXML::Element.new(:e) do |e|
e << wrapper
end
end
describe '#each' do
it 'gives options from formatter' do
expect(wrapper).to receive(:contents).with(a: 10, b: 20).and_return([])
formatter.write(xml)
end
it 'yield result of contents' do
mocks.each_with_index do |mock, index|
expect(mock).to receive(:to_s).and_return("m#{index}")
end
formatter.write(xml)
expect(out).to eq("<e>\n m0\n m1\n</e>\n")
end
it 'raise error when subclass of ElementWrapper is not implement #contents' do
wrapper_class2 = Class.new(described_class)
xml << wrapper_class2.new
expect { formatter.write(xml) }.to raise_error(NoMethodError)
end
end
end
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