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gleam_stdlib

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A standard library for the Gleam programming language

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gleam_stdlib gen test gleam@option_test.erl
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gen/test/gleam@option_test.erl 

-module(gleam@option_test).

-compile(no_auto_import).



-export([all_test/0, is_some_test/0, is_none_test/0, to_result_test/0, from_result_test/0, unwrap_option_test/0, map_option_test/0, flatten_option_test/0, then_option_test/0, or_option_test/0, values_test/0]).



-spec all_test() -> nil.

all_test() ->

    _pipe = gleam@option:all([{some, 1}, {some, 2}, {some, 3}]),

    gleam@should:equal(_pipe, {some, [1, 2, 3]}),

    _pipe@1 = gleam@option:all([{some, 1}, none, {some, 3}]),

    gleam@should:equal(_pipe@1, none).



-spec is_some_test() -> nil.

is_some_test() ->

    _pipe = gleam@option:is_some({some, 1}),

    gleam@should:be_true(_pipe),

    _pipe@1 = gleam@option:is_some(none),

    gleam@should:be_false(_pipe@1).



-spec is_none_test() -> nil.

is_none_test() ->

    _pipe = gleam@option:is_none({some, 1}),

    gleam@should:be_false(_pipe),

    _pipe@1 = gleam@option:is_none(none),

    gleam@should:be_true(_pipe@1).



-spec to_result_test() -> nil.

to_result_test() ->

    _pipe = gleam@option:to_result({some, 1}, <<"possible_error"/utf8>>),

    gleam@should:equal(_pipe, {ok, 1}),

    _pipe@1 = gleam@option:to_result(none, <<"possible_error"/utf8>>),

    gleam@should:equal(_pipe@1, {error, <<"possible_error"/utf8>>}).



-spec from_result_test() -> nil.

from_result_test() ->

    _pipe = gleam@option:from_result({ok, 1}),

    gleam@should:equal(_pipe, {some, 1}),

    _pipe@1 = gleam@option:from_result({error, <<"some_error"/utf8>>}),

    gleam@should:equal(_pipe@1, none).



-spec unwrap_option_test() -> nil.

unwrap_option_test() ->

    _pipe = gleam@option:unwrap({some, 1}, 0),

    gleam@should:equal(_pipe, 1),

    _pipe@1 = gleam@option:unwrap(none, 0),

    gleam@should:equal(_pipe@1, 0).



-spec map_option_test() -> nil.

map_option_test() ->

    _pipe = {some, 1},

    _pipe@1 = gleam@option:map(_pipe, fun(X) -> X + 1 end),

    gleam@should:equal(_pipe@1, {some, 2}),

    _pipe@2 = {some, 1},

    _pipe@3 = gleam@option:map(_pipe@2, fun(_) -> <<"2"/utf8>> end),

    gleam@should:equal(_pipe@3, {some, <<"2"/utf8>>}),

    _pipe@4 = none,

    _pipe@5 = gleam@option:map(_pipe@4, fun(X@1) -> X@1 + 1 end),

    gleam@should:equal(_pipe@5, none).



-spec flatten_option_test() -> nil.

flatten_option_test() ->

    _pipe = {some, {some, 1}},

    _pipe@1 = gleam@option:flatten(_pipe),

    gleam@should:equal(_pipe@1, {some, 1}),

    _pipe@2 = {some, none},

    _pipe@3 = gleam@option:flatten(_pipe@2),

    gleam@should:equal(_pipe@3, none),

    _pipe@4 = none,

    _pipe@5 = gleam@option:flatten(_pipe@4),

    gleam@should:equal(_pipe@5, none).



-spec then_option_test() -> nil.

then_option_test() ->

    _pipe = {some, 1},

    _pipe@1 = gleam@option:then(_pipe, fun(X) -> {some, X + 1} end),

    gleam@should:equal(_pipe@1, {some, 2}),

    _pipe@2 = {some, 1},

    _pipe@3 = gleam@option:then(_pipe@2, fun(_) -> {some, <<"2"/utf8>>} end),

    gleam@should:equal(_pipe@3, {some, <<"2"/utf8>>}),

    _pipe@4 = none,

    _pipe@5 = gleam@option:then(_pipe@4, fun(X@1) -> {some, X@1 + 1} end),

    gleam@should:equal(_pipe@5, none).



-spec or_option_test() -> nil.

or_option_test() ->

    _pipe = {some, 1},

    _pipe@1 = gleam@option:'or'(_pipe, {some, 2}),

    gleam@should:equal(_pipe@1, {some, 1}),

    _pipe@2 = {some, 1},

    _pipe@3 = gleam@option:'or'(_pipe@2, none),

    gleam@should:equal(_pipe@3, {some, 1}),

    _pipe@4 = none,

    _pipe@5 = gleam@option:'or'(_pipe@4, {some, 2}),

    gleam@should:equal(_pipe@5, {some, 2}),

    _pipe@6 = none,

    _pipe@7 = gleam@option:'or'(_pipe@6, none),

    gleam@should:equal(_pipe@7, none).



-spec values_test() -> nil.

values_test() ->

    _pipe = gleam@option:values([{some, 1}, none, {some, 3}]),

    gleam@should:equal(_pipe, [1, 3]).