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# frozen_string_literal: true
RSpec.describe YARD::Parser::Ruby::Legacy::TokenList do
Legacy = YARD::Parser::Ruby::Legacy
TokenList = Legacy::TokenList
LT = Legacy::RubyToken
describe "#initialize / #push" do
it "accepts a tokenlist (via constructor or push)" do
expect { TokenList.new(TokenList.new) }.not_to raise_error
expect(TokenList.new.push(TokenList.new("x = 2")).size).to eq 6
end
it "accept a token (via constructor or push)" do
expect { TokenList.new(LT::Token.new(0, 0)) }.not_to raise_error
expect(TokenList.new.push(LT::Token.new(0, 0),
LT::Token.new(1, 1)).size).to eq 2
end
it "accepts a string and parse it as code (via constructor or push)" do
expect { TokenList.new("x = 2") }.not_to raise_error
x = TokenList.new
x.push("x", "=", "2")
expect(x.size).to eq 6
expect(x.to_s).to eq "x\n=\n2\n"
end
it "does not accept any other input" do
expect { TokenList.new(:notcode) }.to raise_error(ArgumentError)
end
it "does not interpolate string data" do
x = TokenList.new('x = "hello #{world}"')
expect(x.size).to eq 6
expect(x[4].class).to eq LT::TkDSTRING
expect(x.to_s).to eq 'x = "hello #{world}"' + "\n"
end
it "handles label syntax" do
x = TokenList.new('a:1,b:2')
expect(x[0].class).to eq LT::TkLABEL
expect(x[0].text).to eq 'a:'
expect(x[3].class).to eq LT::TkLABEL
expect(x[3].text).to eq 'b:'
end
end
describe "#to_s" do
before do
@t = TokenList.new
@t << LT::TkDEF.new(1, 1, "def")
@t << LT::TkSPACE.new(1, 1)
@t << LT::TkIDENTIFIER.new(1, 1, "x")
@t << LT::TkStatementEnd.new(1, 1)
@t << LT::TkSEMICOLON.new(1, 1) << LT::TkSPACE.new(1, 1)
@t << LT::TkBlockContents.new(1, 1)
@t << LT::TkSPACE.new(1, 1) << LT::TkEND.new(1, 1, "end")
@t[0].set_text "def"
@t[1].set_text " "
@t[2].set_text "x"
@t[4].set_text ";"
@t[5].set_text " "
@t[7].set_text " "
@t[8].set_text "end"
end
it "only shows the statement portion of the tokens by default" do
expect(@t.to_s).to eq "def x"
end
it "shows ... for the block token if all of the tokens are shown" do
expect(@t.to_s(true)).to eq "def x; ... end"
end
it "ignores ... if show_block = false" do
expect(@t.to_s(true, false)).to eq "def x; end"
end
end
end
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