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require 'spec_util'
require 'math_ml'
describe MathML::LaTeX::Macro do
include MathML::Spec::Util
before(:all) do
@src = <<~'EOT'
\newcommand{\newcom}{test}
\newcommand{\paramcom}[2]{param2 #2, param1 #1.}
\newcommand\ALPHA\alpha
\newcommand\BETA[1]\beta
\newcommand{\nothing}{}
\newenvironment{newenv}{begin_newenv}{end_newenv}
\newenvironment{paramenv}[2]{begin 1:#1, 2:#2}{end 2:#2 1:#1}
\newenvironment{nothing}{}{}
\newenvironment{separated environment}{sep}{env}
\newenvironment ENV
EOT
end
before do
@m = MathML::LaTeX::Macro.new
@m.parse(@src)
end
it '#parse' do
@m = MathML::LaTeX::Macro.new
expect { @m.parse(@src) }.not_to raise_error
@m = MathML::LaTeX::Macro.new
expect do
@m.parse('\newcommand{notcommand}{}')
end.to raise_parse_error('Need newcommand.', '\\newcommand{', 'notcommand}{}')
expect do
@m.parse('\newcommand{\separated command}{}')
end.to raise_parse_error('Syntax error.', '\newcommand{\separated',
' command}{}')
expect { @m.parse('\newcommand{\nobody}') }.to raise_parse_error('Need parameter.', '\newcommand{\nobody}', '')
expect do
@m.parse('\newcommand{\noparam}{#1}')
end.to raise_parse_error("Parameter \# too large.", '\newcommand{\noparam}{#',
'1}')
expect do
@m.parse('\newcommand{\overopt}[1]{#1#2}')
end.to raise_parse_error("Parameter \# too large.",
'\newcommand{\overopt}[1]{#1#', '2}')
expect do
@m.parse('\newcommand{\strangeopt}[-1]')
end.to raise_parse_error('Need positive number.', '\newcommand{\strangeopt}[',
'-1]')
expect do
@m.parse('\newcommand{\strangeopt}[a]')
end.to raise_parse_error('Need positive number.', '\newcommand{\strangeopt}[',
'a]')
expect do
@m.parse('\newenvironment{\command}{}{}')
end.to raise_parse_error('Syntax error.', '\newenvironment{', '\command}{}{}')
expect do
@m.parse('\newenvironment{nobegin}')
end.to raise_parse_error('Need begin block.', '\newenvironment{nobegin}', '')
expect do
@m.parse('\newenvironment{noend}{}')
end.to raise_parse_error('Need end block.', '\newenvironment{noend}{}', '')
expect do
@m.parse('\newenvironment{noparam}{#1}{}')
end.to raise_parse_error("Parameter \# too large.",
'\newenvironment{noparam}{#', '1}{}')
expect do
@m.parse('\newenvironment{overparam}[1]{#1#2}{}')
end.to raise_parse_error("Parameter \# too large.",
'\newenvironment{overparam}[1]{#1#', '2}{}')
expect do
@m.parse('\newenvironment{strangeparam}[-1]{}{}')
end.to raise_parse_error('Need positive number.',
'\newenvironment{strangeparam}[', '-1]{}{}')
expect do
@m.parse('\newenvironment{strangeparam}[a]{}{}')
end.to raise_parse_error('Need positive number.',
'\newenvironment{strangeparam}[', 'a]{}{}')
expect do
@m.parse('\newcommand{\valid}{OK} \invalid{\test}{NG}')
end.to raise_parse_error('Syntax error.',
'\newcommand{\valid}{OK} ', '\invalid{\test}{NG}')
expect do
@m.parse('\newcommand{\valid}{OK} invalid{\test}{NG}')
end.to raise_parse_error('Syntax error.',
'\newcommand{\valid}{OK} ', 'invalid{\test}{NG}')
expect do
@m.parse('\newcommand{\newcom}[test')
end.to raise_parse_error('Option not closed.', '\newcommand{\newcom}', '[test')
expect do
@m.parse('\newcommand{\newcom}[1][test')
end.to raise_parse_error('Option not closed.', '\newcommand{\newcom}[1]',
'[test')
expect do
@m.parse('\newcommand{\newcom}[1][]{#1#2}')
end.to raise_parse_error("Parameter \# too large.",
'\newcommand{\newcom}[1][]{#1#', '2}')
expect do
@m.parse('\newenvironment{newenv}[1][test')
end.to raise_parse_error('Option not closed.', '\newenvironment{newenv}[1]',
'[test')
expect do
@m.parse('\newenvironment{newenv}[1][test')
end.to raise_parse_error('Option not closed.', '\newenvironment{newenv}[1]',
'[test')
expect { @m.parse('\newcommand{\newcom') }.to raise_parse_error('Block not closed.', '\newcommand', '{\newcom')
expect do
@m.parse('\newcommand{\newcom}{test1{test2}{test3')
end.to raise_parse_error('Block not closed.',
'\newcommand{\newcom}', '{test1{test2}{test3')
expect do
@m.parse('\newenvironment{newenv}[1][]{#1 #2}')
end.to raise_parse_error("Parameter \# too large.",
'\newenvironment{newenv}[1][]{#1 #', '2}')
end
it '#commands' do
expect(@m.commands('newcom').num).to eq(0)
expect(@m.commands('paramcom').num).to eq(2)
expect(@m.commands('no')).to be_nil
end
it '#expand_command' do
expect(@m.expand_command('not coommand', [])).to be_nil
expect(@m.expand_command('newcom', [])).to eq('test')
expect(@m.expand_command('newcom', ['dummy_param'])).to eq('test')
expect(@m.expand_command('paramcom', %w[1 2])).to eq('param2 2, param1 1.')
expect(@m.expand_command('paramcom', %w[12 34])).to eq('param2 34, param1 12.')
expect { @m.expand_command('paramcom', ['12']) }.to raise_parse_error('Need more parameter.', '', '')
expect { @m.expand_command('paramcom', []) }.to raise_parse_error('Need more parameter.', '', '')
end
it '#environments' do
expect(@m.environments('newenv').num).to eq(0)
expect(@m.environments('paramenv').num).to eq(2)
expect(@m.environments('not_env')).to be_nil
expect(@m.environments('separated environment').num).to eq(0)
end
it '#expand_environment' do
expect(@m.expand_environment('notregistered', 'dummy', [])).to be_nil
expect(@m.expand_environment('newenv', 'body', [])).to eq(' begin_newenv body end_newenv ')
expect(@m.expand_environment('paramenv', 'body', %w[1 2])).to eq(' begin 1:1, 2:2 body end 2:2 1:1 ')
expect(@m.expand_environment('paramenv', 'body', %w[12 34])).to eq(' begin 1:12, 2:34 body end 2:34 1:12 ')
expect { @m.expand_environment('paramenv', 'body', ['1']) }.to raise_parse_error('Need more parameter.', '', '')
expect { @m.expand_environment('paramenv', 'body', []) }.to raise_parse_error('Need more parameter.', '', '')
expect(@m.expand_environment('nothing', 'body', [])).to eq(' body ')
expect(@m.expand_environment('separated environment', 'body', [])).to eq(' sep body env ')
expect(@m.expand_environment('E', 'body', [])).to eq(' N body V ')
end
it '#expand_with_options' do
src = <<~'EOT'
\newcommand{\opt}[1][x]{#1}
\newcommand{\optparam}[2][]{#1#2}
\newenvironment{newenv}[1][x]{s:#1}{e:#1}
\newenvironment{optenv}[2][]{s:#1}{e:#2}
EOT
m = MathML::LaTeX::Macro.new
m.parse(src)
expect(m.expand_command('opt', [])).to eq('x')
expect(m.expand_command('opt', [], '1')).to eq('1')
expect(m.expand_command('optparam', ['1'])).to eq('1')
expect(m.expand_command('optparam', ['1'], '2')).to eq('21')
expect(m.expand_environment('newenv', 'test', [])).to eq(' s:x test e:x ')
expect(m.expand_environment('newenv', 'test', [], '1')).to eq(' s:1 test e:1 ')
expect(m.expand_environment('optenv', 'test', ['1'])).to eq(' s: test e:1 ')
expect(m.expand_environment('optenv', 'test', ['1'], '2')).to eq(' s:2 test e:1 ')
end
end
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