add the os module for environment variables

1 files changed, 15 insertions, 0 deletions

diff --git a/test/gleam/os_test.gleam b/test/gleam/os_test.gleam
new file mode 100644
index 0000000..961e984
--- /dev/null
+++ b/test/gleam/os_test.gleam
@@ -0,0 +1,15 @@
+import gleam/list
+import gleam/os
+import gleam/should
+
+pub fn env_test() {
+  os.put_env("GLEAM_TEST", "hello")
+  os.get_env()
+  |> list.key_find("GLEAM_TEST")
+  |> should.equal(Ok("hello"))
+
+  os.delete_env("GLEAM_TEST")
+  os.get_env()
+  |> list.key_find("GLEAM_TEST")
+  |> should.equal(Error(Nil))
+}