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libkernaux/bindings/mruby/test/cmdline.rb

93 lines
2.4 KiB
Ruby

def test_cmdline(str, expected)
result = KernAux.cmdline str
assert_true result.instance_of? Array
assert_true result.frozen?
result.each do |item|
assert_true item.instance_of? String
assert_true item.frozen?
end
assert_equal result, expected
end
if KernAux::Version.supports_cmdline?
assert 'default' do
test_cmdline 'foo bar\\ baz "car cdr"', ['foo', 'bar baz', 'car cdr']
end
assert 'when str is empty' do
test_cmdline '', []
end
assert 'when str has invalid type' do
assert_raise TypeError, 'Integer cannot be converted to String' do
KernAux.cmdline 123
end
end
assert 'when str has EOL after backslash' do
assert_raise KernAux::CmdlineError, 'EOL after backslash' do
KernAux.cmdline '\\'
end
end
assert 'when str has EOL after backslash inside quote' do
assert_raise KernAux::CmdlineError, 'EOL after backslash inside quote' do
KernAux.cmdline '"\\'
end
end
assert 'when str has unescaped quotation mark' do
assert_raise KernAux::CmdlineError, 'unescaped quotation mark' do
KernAux.cmdline 'foo"'
end
end
assert 'when str has EOL inside quote' do
assert_raise KernAux::CmdlineError, 'EOL inside quote' do
KernAux.cmdline '"'
end
end
assert 'when there are not too many args' do
test_cmdline 'a ' * 256, ['a'] * 256
end
assert 'when there are too many args' do
assert_raise KernAux::CmdlineError, 'too many args' do
KernAux.cmdline 'a ' * 257
end
end
assert 'when args don\'t cause buffer overflow' do
test_cmdline 'a' * 4095, ['a' * 4095]
end
assert 'when args cause buffer overflow' do
assert_raise KernAux::CmdlineError, 'buffer overflow' do
KernAux.cmdline 'a' * 4096
end
end
assert 'usign common tests' do
cmdline_yml = File.expand_path('../../../../common/cmdline.yml', __FILE__)
YAML.load(File.read(cmdline_yml)).each do |test|
escape_str = lambda do |str|
eval "\"#{str}\"", nil, __FILE__, __LINE__ # "str"
end
cmdline = escape_str.call test['cmdline']
argv_count_max = test['argv_count_max']
buffer_size = test['buffer_size']
result = test['result']&.map(&escape_str)
next unless argv_count_max.nil? && buffer_size.nil? && !result.nil?
assert "transforms #{cmdline.inspect} to #{result.inspect}" do
assert_equal KernAux.cmdline(cmdline), result
end
end
end
end