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pry--pry/spec/syntax_checking_spec.rb
2015-03-10 22:49:29 +02:00

79 lines
2.4 KiB
Ruby

require_relative 'helper'
describe Pry do
before do
@str_output = StringIO.new
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')"],
].each do |foo|
it "should not raise an error on broken lines: #{foo.join("\\n")}" do
redirect_pry_io(InputTester.new(*foo), @str_output) do
Pry.start
end
expect(@str_output.string).not_to match(/SyntaxError/)
end
end
([
["end"],
["puts )("],
["1 1"],
["puts :"]
] + (Pry::Helpers::BaseHelpers.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
redirect_pry_io(InputTester.new(*foo), @str_output) do
Pry.start
end
expect(@str_output.string).to match(/SyntaxError/)
end
end
it "should not intefere with syntax errors explicitly raised" do
redirect_pry_io(InputTester.new(%q{raise SyntaxError, "unexpected $end"}), @str_output) do
Pry.start
end
expect(@str_output.string).to match(/SyntaxError/)
end
it "should allow trailing , to continue the line" do
expect(Pry::Code.complete_expression?("puts 1, 2,")).to eq false
end
it "should complete an expression that contains a line ending with a ," do
expect(Pry::Code.complete_expression?("puts 1, 2,\n3")).to eq true
end
it "should not suppress the error output if the line ends in ;" do
expect(mock_pry("raise RuntimeError, 'foo';")).to match(/RuntimeError/)
end
it "should not clobber _ex_ on a SyntaxError in the repl" do
expect(mock_pry("raise RuntimeError, 'foo'", "puts foo)", "_ex_.is_a?(RuntimeError)")).to match(/^RuntimeError.*\nSyntaxError.*\n=> true/m)
end
it "should allow whitespace delimeted strings" do
expect(mock_pry('"%s" % % foo ')).to match(/"foo"/)
end
it "should allow newline delimeted strings" do
expect(mock_pry('"%s" % %','foo')).to match(/"foo"/)
end
it "should allow whitespace delimeted strings ending on the first char of a line" do
expect(mock_pry('"%s" % % ', ' #done!')).to match(/"\\n"/)
end
end