From 6abcea012a67ab6b4eafc3401b0e1ca6a368e21a Mon Sep 17 00:00:00 2001 From: Louis Pilfold Date: Sun, 29 Aug 2021 17:35:49 +0100 Subject: Promise then_try --- test/gleam/javascript/promise_test.gleam | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'test') diff --git a/test/gleam/javascript/promise_test.gleam b/test/gleam/javascript/promise_test.gleam index 9d37984..ea7c3d3 100644 --- a/test/gleam/javascript/promise_test.gleam +++ b/test/gleam/javascript/promise_test.gleam @@ -53,3 +53,21 @@ pub fn map_try_error_test() -> Promise(Result(Int, Int)) { |> promise.map_try(fn(a) { Ok(a + 1) }) |> promise.tap(fn(a) { assert Error(1) = a }) } + +pub fn then_try_ok_ok_test() -> Promise(Result(Int, Int)) { + promise.resolve(Ok(1)) + |> promise.then_try(fn(a) { promise.resolve(Ok(a + 1)) }) + |> promise.tap(fn(a) { assert Ok(2) = a }) +} + +pub fn then_try_ok_error_test() -> Promise(Result(Int, Int)) { + promise.resolve(Ok(1)) + |> promise.then_try(fn(a) { promise.resolve(Error(a + 1)) }) + |> promise.tap(fn(a) { assert Error(2) = a }) +} + +pub fn then_try_error_test() -> Promise(Result(Int, Int)) { + promise.resolve(Error(1)) + |> promise.then_try(fn(a) { promise.resolve(Ok(a + 1)) }) + |> promise.tap(fn(a) { assert Error(1) = a }) +} -- cgit v1.2.3