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require 'spec_helper'
describe MethodSource::CodeHelpers do
before do
@tester = Object.new.extend(MethodSource::CodeHelpers)
end
[
["p = '", "'"],
["def", "a", "(); end"],
["p = <<FOO", "lots", "and", "lots of", "foo", "FOO"],
["[", ":lets,", "'list',", "[/nested/", "], things ]"],
["abc =~ /hello", "/"],
["issue = %W/", "343/"],
["pouts(<<HI, 'foo", "bar", "HI", "baz')"],
["=begin", "no-one uses this syntax anymore...", "=end"],
["puts 1, 2,", "3"],
["puts 'hello'\\", "'world'"]
].each do |lines|
it "should not raise an error on broken lines: #{lines.join("\\n")}" do
1.upto(lines.size - 1) do |i|
expect(@tester.complete_expression?(lines[0...i].join("\n") + "\n")).to be_falsy
end
expect(@tester.complete_expression?(lines.join("\n"))).to be_truthy
end
end
[
["end"],
["puts )("],
["1 1"],
["puts :"]
] + (RbConfig::CONFIG['ruby_install_name'] == 'rbx' ? [] : [
["def", "method(1"], # in this case the syntax error is "expecting ')'".
["o = Object.new.tap{ def o.render;","'MEH'", "}"] # in this case the syntax error is "expecting keyword_end".
]).compact.each do |foo|
it "should raise an error on invalid syntax like #{foo.inspect}" do
expect {
@tester.complete_expression?(foo.join("\n"))
}.to raise_error(SyntaxError)
end
end
end
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