284 lines
11 KiB
Erlang
284 lines
11 KiB
Erlang
-module(tokenizer_test).
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-include_lib("eunit/include/eunit.hrl").
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tokenize(String) ->
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tokenize(String, []).
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tokenize(String, Opts) ->
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{ok, _Line, _Column, _Warnings, Result} = elixir_tokenizer:tokenize(String, 1, Opts),
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Result.
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tokenize_error(String) ->
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{error, Error, _, _, _} = elixir_tokenizer:tokenize(String, 1, []),
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Error.
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type_test() ->
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[{int, {1, 1, 1}, "1"},
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{type_op, {1, 3, nil}, '::'},
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{int, {1, 6, 3}, "3"}] = tokenize("1 :: 3"),
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[{'true', {1, 1, nil}},
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{type_op, {1, 5, nil}, '::'},
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{int, {1, 7, 3}, "3"}] = tokenize("true::3"),
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[{identifier, {1, 1, _}, name},
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{'.', {1, 5, nil}},
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{paren_identifier, {1, 6, _}, '::'},
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{'(', {1, 8, nil}},
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{int, {1, 9, 3}, "3"},
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{')', {1, 10, nil}}] = tokenize("name.::(3)").
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arithmetic_test() ->
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[{int, {1, 1, 1}, "1"},
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{dual_op, {1, 3, nil}, '+'},
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{int, {1, 5, 2}, "2"},
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{dual_op, {1, 7, nil}, '+'},
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{int, {1, 9, 3}, "3"}] = tokenize("1 + 2 + 3").
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op_kw_test() ->
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[{atom, {1, 1, _}, foo},
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{dual_op, {1, 5, nil}, '+'},
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{atom, {1, 6, _}, bar}] = tokenize(":foo+:bar").
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scientific_test() ->
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[{flt, {1, 1, 0.1}, "1.0e-1"}] = tokenize("1.0e-1"),
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[{flt, {1, 1, 0.1}, "1.0E-1"}] = tokenize("1.0E-1"),
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[{flt, {1, 1, 1.2345678e-7}, "1_234.567_8e-10"}] = tokenize("1_234.567_8e-10"),
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{[{line, 1}, {column, 1}], "invalid float number ", "1.0e309"} = tokenize_error("1.0e309").
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hex_bin_octal_test() ->
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[{int, {1, 1, 255}, "0xFF"}] = tokenize("0xFF"),
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[{int, {1, 1, 255}, "0xF_F"}] = tokenize("0xF_F"),
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[{int, {1, 1, 63}, "0o77"}] = tokenize("0o77"),
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[{int, {1, 1, 63}, "0o7_7"}] = tokenize("0o7_7"),
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[{int, {1, 1, 3}, "0b11"}] = tokenize("0b11"),
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[{int, {1, 1, 3}, "0b1_1"}] = tokenize("0b1_1").
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unquoted_atom_test() ->
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[{atom, {1, 1, _}, '+'}] = tokenize(":+"),
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[{atom, {1, 1, _}, '-'}] = tokenize(":-"),
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[{atom, {1, 1, _}, '*'}] = tokenize(":*"),
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[{atom, {1, 1, _}, '/'}] = tokenize(":/"),
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[{atom, {1, 1, _}, '='}] = tokenize(":="),
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[{atom, {1, 1, _}, '&&'}] = tokenize(":&&").
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quoted_atom_test() ->
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[{atom_quoted, {1, 1, nil}, 'foo bar'}] = tokenize(":\"foo bar\"").
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oversized_atom_test() ->
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OversizedAtom = string:copies("a", 256),
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{[{line, 1}, {column, 1}], "atom length must be less than system limit: ", OversizedAtom} =
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tokenize_error([$: | OversizedAtom]).
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op_atom_test() ->
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[{atom, {1, 1, _}, f0_1}] = tokenize(":f0_1").
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kw_test() ->
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[{kw_identifier, {1, 1, _}, do}] = tokenize("do: "),
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[{kw_identifier, {1, 1, _}, a@}] = tokenize("a@: "),
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[{kw_identifier, {1, 1, _}, 'A@'}] = tokenize("A@: "),
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[{kw_identifier, {1, 1, _}, a@b}] = tokenize("a@b: "),
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[{kw_identifier, {1, 1, _}, 'A@!'}] = tokenize("A@!: "),
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[{kw_identifier, {1, 1, _}, 'a@!'}] = tokenize("a@!: "),
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[{kw_identifier, {1, 1, _}, foo}, {bin_string, {1, 6, nil}, [<<"bar">>]}] = tokenize("foo: \"bar\""),
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[{kw_identifier, {1, 1, _}, '+'}, {bin_string, {1, 6, nil}, [<<"bar">>]}] = tokenize("\"+\": \"bar\"").
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int_test() ->
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[{int, {1, 1, 123}, "123"}] = tokenize("123"),
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[{int, {1, 1, 123}, "123"}, {';', {1, 4, 0}}] = tokenize("123;"),
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[{eol, {1, 1, 2}}, {int, {3, 1, 123}, "123"}] = tokenize("\n\n123"),
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[{int, {1, 3, 123}, "123"}, {int, {1, 8, 234}, "234"}] = tokenize(" 123 234 "),
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[{int, {1, 1, 7}, "007"}] = tokenize("007"),
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[{int, {1, 1, 100000}, "0100000"}] = tokenize("0100000").
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float_test() ->
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[{flt, {1, 1, 12.3}, "12.3"}] = tokenize("12.3"),
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[{flt, {1, 1, 12.3}, "12.3"}, {';', {1, 5, 0}}] = tokenize("12.3;"),
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[{eol, {1, 1, 2}}, {flt, {3, 1, 12.3}, "12.3"}] = tokenize("\n\n12.3"),
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[{flt, {1, 3, 12.3}, "12.3"}, {flt, {1, 9, 23.4}, "23.4"}] = tokenize(" 12.3 23.4 "),
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[{flt, {1, 1, 12.3}, "00_12.3_00"}] = tokenize("00_12.3_00"),
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OversizedFloat = string:copies("9", 310) ++ ".0",
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{[{line, 1}, {column, 1}], "invalid float number ", OversizedFloat} = tokenize_error(OversizedFloat).
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identifier_test() ->
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[{identifier, {1, 1, _}, abc}] = tokenize("abc "),
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[{identifier, {1, 1, _}, 'abc?'}] = tokenize("abc?"),
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[{identifier, {1, 1, _}, 'abc!'}] = tokenize("abc!"),
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[{identifier, {1, 1, _}, 'a0c!'}] = tokenize("a0c!"),
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[{paren_identifier, {1, 1, _}, 'a0c'}, {'(', {1, 4, nil}}, {')', {1, 5, nil}}] = tokenize("a0c()"),
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[{paren_identifier, {1, 1, _}, 'a0c!'}, {'(', {1, 5, nil}}, {')', {1, 6, nil}}] = tokenize("a0c!()").
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module_macro_test() ->
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[{identifier, {1, 1, _}, '__MODULE__'}] = tokenize("__MODULE__").
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triple_dot_test() ->
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[{identifier, {1, 1, _}, '...'}] = tokenize("..."),
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[{'.', {1, 1, nil}}, {identifier, {1, 3, _}, '..'}] = tokenize(". ..").
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dot_test() ->
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[{identifier, {1, 1, _}, foo},
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{'.', {1, 4, nil}},
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{identifier, {1, 5, _}, bar},
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{'.', {1, 8, nil}},
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{identifier, {1, 9, _}, baz}] = tokenize("foo.bar.baz").
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dot_keyword_test() ->
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[{identifier, {1, 1, _}, foo},
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{'.', {1, 4, nil}},
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{identifier, {1, 5, _}, do}] = tokenize("foo.do").
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newline_test() ->
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[{identifier, {1, 1, _}, foo},
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{'.', {2, 1, nil}},
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{identifier, {2, 2, _}, bar}] = tokenize("foo\n.bar"),
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[{int, {1, 1, 1}, "1"},
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{concat_op, {2, 1, 1}, '++'},
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{int, {2, 3, 2}, "2"}] = tokenize("1\n++2").
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dot_newline_operator_test() ->
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[{identifier, {1, 1, _}, foo},
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{'.', {1, 4, nil}},
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{identifier, {2, 1, _}, '+'},
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{int, {2, 2, 1}, "1"}] = tokenize("foo.\n+1"),
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[{identifier, {1, 1, _}, foo},
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{'.', {1, 4, nil}},
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{identifier, {2, 1, _}, '+'},
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{int, {2, 2, 1}, "1"}] = tokenize("foo.#bar\n+1").
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dot_call_operator_test() ->
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[{identifier, {1, 1, _}, f},
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{dot_call_op, {1, 2, nil}, '.'},
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{'(', {1, 3, nil}},
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{')', {1, 4, nil}}] = tokenize("f.()").
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aliases_test() ->
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[{'alias', {1, 1, _}, 'Foo'}] = tokenize("Foo"),
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[{'alias', {1, 1, _}, 'Foo'},
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{'.', {1, 4, nil}},
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{'alias', {1, 5, _}, 'Bar'},
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{'.', {1, 8, nil}},
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{'alias', {1, 9, _}, 'Baz'}] = tokenize("Foo.Bar.Baz").
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string_test() ->
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[{bin_string, {1, 1, nil}, [<<"foo">>]}] = tokenize("\"foo\""),
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[{bin_string, {1, 1, nil}, [<<"f\"">>]}] = tokenize("\"f\\\"\""),
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[{list_string, {1, 1, nil}, [<<"foo">>]}] = tokenize("'foo'").
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heredoc_test() ->
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[{bin_heredoc, {1, 1, nil}, 0, [<<"heredoc\n">>]}] = tokenize("\"\"\"\nheredoc\n\"\"\""),
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[{bin_heredoc, {1, 1, nil}, 1, [<<"heredoc\n">>]}, {';', {3, 5, 0}}] = tokenize("\"\"\"\n heredoc\n \"\"\";").
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empty_string_test() ->
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[{bin_string, {1, 1, nil}, [<<>>]}] = tokenize("\"\""),
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[{list_string, {1, 1, nil}, [<<>>]}] = tokenize("''").
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concat_test() ->
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[{identifier, {1, 1, _}, x},
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{concat_op, {1, 3, nil}, '++'},
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{identifier, {1, 6, _}, y}] = tokenize("x ++ y"),
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[{identifier, {1, 1, _}, x},
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{concat_op, {1, 3, nil}, '+++'},
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{identifier, {1, 7, _}, y}] = tokenize("x +++ y").
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space_test() ->
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[{op_identifier, {1, 1, _}, foo},
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{dual_op, {1, 5, nil}, '-'},
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{int, {1, 6, 2}, "2"}] = tokenize("foo -2"),
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[{op_identifier, {1, 1, _}, foo},
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{dual_op, {1, 6, nil}, '-'},
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{int, {1, 7, 2}, "2"}] = tokenize("foo -2").
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chars_test() ->
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[{char, {1, 1, "?a"}, 97}] = tokenize("?a"),
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[{char, {1, 1, "?c"}, 99}] = tokenize("?c"),
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[{char, {1, 1, "?\\0"}, 0}] = tokenize("?\\0"),
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[{char, {1, 1, "?\\a"}, 7}] = tokenize("?\\a"),
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[{char, {1, 1, "?\\n"}, 10}] = tokenize("?\\n"),
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[{char, {1, 1, "?\\\\"}, 92}] = tokenize("?\\\\").
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interpolation_test() ->
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[{bin_string, {1, 1, nil}, [<<"f">>, {{1, 3, nil},{1, 7, nil}, [{identifier, {1, 5, _}, oo}]}]},
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{concat_op, {1, 10, nil}, '<>'},
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{bin_string, {1, 13, nil}, [<<>>]}] = tokenize("\"f#{oo}\" <> \"\"").
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escaped_interpolation_test() ->
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[{bin_string, {1, 1, nil}, [<<"f#{oo}">>]},
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{concat_op, {1, 11, nil}, '<>'},
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{bin_string, {1, 14, nil}, [<<>>]}] = tokenize("\"f\\#{oo}\" <> \"\"").
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capture_test() ->
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% Parens precedence
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[{capture_op, {1, 1, nil}, '&'},
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{unary_op, {1, 2, nil}, 'not'},
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{int, {1, 6, 1}, "1"},
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{',', {1, 7, 0}},
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{int, {1, 9, 2}, "2"}] = tokenize("¬ 1, 2"),
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% Operators
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[{capture_op, {1, 1, nil}, '&'},
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{identifier, {1, 2, _}, '||'},
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{mult_op, {1, 4, nil}, '/'},
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{int, {1, 5, 2}, "2"}] = tokenize("&||/2"),
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[{capture_op, {1, 1, nil}, '&'},
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{identifier, {1, 2, _}, 'or'},
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{mult_op, {1, 4, nil}, '/'},
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{int, {1, 5, 2}, "2"}] = tokenize("&or/2"),
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[{capture_op,{1,1,nil},'&'},
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{identifier,{1,3,_},'+'},
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{mult_op,{1,4,nil},'/'},
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{int,{1,5,1},"1"}] = tokenize("& +/1"),
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[{capture_op,{1,1,nil},'&'},
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{identifier,{1,3,_},'&'},
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{mult_op,{1,4,nil},'/'},
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{int,{1,5,1},"1"}] = tokenize("& &/1"),
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[{capture_op,{1,1,nil},'&'},
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{identifier,{1,3,_},'..//'},
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{mult_op,{1,7,nil},'/'},
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{int,{1,8,3},"3"}] = tokenize("& ..///3"),
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[{capture_op, {1,1,nil}, '&'},
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{identifier, {1,3,_}, '/'},
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{mult_op, {1,5,nil}, '/'},
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{int, {1,6,2}, "2"}] = tokenize("& / /2"),
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[{capture_op, {1,1,nil}, '&'},
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{identifier, {1,2,_}, '/'},
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{mult_op, {1,4,nil}, '/'},
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{int, {1,5,2}, "2"}] = tokenize("&/ /2"),
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% Only operators
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[{identifier,{1,1,_},'&'},
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{mult_op,{1,2,nil},'/'},
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{int,{1,3,1},"1"}] = tokenize("&/1"),
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[{identifier,{1,1,_},'+'},
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{mult_op,{1,2,nil},'/'},
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{int,{1,3,1},"1"}] = tokenize("+/1"),
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[{identifier, {1,1,_}, '/'},
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{mult_op, {1,3,nil}, '/'},
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{int, {1,4,2}, "2"}] = tokenize("/ /2"),
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[{identifier, {1,1,_}, '..//'},
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{mult_op, {1,5,nil}, '/'},
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{int, {1,6,3}, "3"}] = tokenize("..///3").
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vc_merge_conflict_test() ->
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{[{line, 1}, {column, 1}], "found an unexpected version control marker, please resolve the conflicts: ", "<<<<<<< HEAD"} =
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tokenize_error("<<<<<<< HEAD\n[1, 2, 3]").
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sigil_terminator_test() ->
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[{sigil, {1, 1, nil}, sigil_r, [<<"foo">>], "", nil, <<"/">>}] = tokenize("~r/foo/"),
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[{sigil, {1, 1, nil}, sigil_r, [<<"foo">>], "", nil, <<"[">>}] = tokenize("~r[foo]"),
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[{sigil, {1, 1, nil}, sigil_r, [<<"foo">>], "", nil, <<"\"">>}] = tokenize("~r\"foo\""),
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[{sigil, {1, 1, nil}, sigil_r, [<<"foo">>], "", nil, <<"/">>},
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{comp_op, {1, 9, nil}, '=='},
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{identifier, {1, 12, _}, bar}] = tokenize("~r/foo/ == bar"),
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[{sigil, {1, 1, nil}, sigil_r, [<<"foo">>], "iu", nil, <<"/">>},
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{comp_op, {1, 11, nil}, '=='},
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{identifier, {1, 14, _}, bar}] = tokenize("~r/foo/iu == bar"),
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[{sigil, {1, 1, nil}, sigil_M, [<<"1 2 3">>], "u8", nil, <<"[">>}] = tokenize("~M[1 2 3]u8").
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sigil_heredoc_test() ->
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[{sigil, {1, 1, nil}, sigil_S, [<<"sigil heredoc\n">>], "", 0, <<"\"\"\"">>}] = tokenize("~S\"\"\"\nsigil heredoc\n\"\"\""),
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[{sigil, {1, 1, nil}, sigil_S, [<<"sigil heredoc\n">>], "", 0, <<"'''">>}] = tokenize("~S'''\nsigil heredoc\n'''"),
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[{sigil, {1, 1, nil}, sigil_S, [<<"sigil heredoc\n">>], "", 2, <<"\"\"\"">>}] = tokenize("~S\"\"\"\n sigil heredoc\n \"\"\""),
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[{sigil, {1, 1, nil}, sigil_s, [<<"sigil heredoc\n">>], "", 2, <<"\"\"\"">>}] = tokenize("~s\"\"\"\n sigil heredoc\n \"\"\"").
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invalid_sigil_delimiter_test() ->
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{[{line, 1}, {column, 1}], "invalid sigil delimiter: ", Message} = tokenize_error("~s\\"),
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true = lists:prefix("\"\\\" (column 3, code point U+005C)", lists:flatten(Message)).
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