From 3c2d7563d26ab457c84e6392c103bce6d2fc6e02 Mon Sep 17 00:00:00 2001
From: David Lechner <david@pybricks.com>
Date: Tue, 13 Dec 2022 12:08:12 -0600
Subject: [PATCH] tests/unix/mod_os: Add test for os module.

This adds a test to get coverage of the unix port-specific implementation
of the `os` module.

Signed-off-by: David Lechner <david@pybricks.com>
---
 tests/unix/mod_os.py     | 21 +++++++++++++++++++++
 tests/unix/mod_os.py.exp |  7 +++++++
 2 files changed, 28 insertions(+)
 create mode 100644 tests/unix/mod_os.py
 create mode 100644 tests/unix/mod_os.py.exp

diff --git a/tests/unix/mod_os.py b/tests/unix/mod_os.py
new file mode 100644
index 0000000000..17554d9375
--- /dev/null
+++ b/tests/unix/mod_os.py
@@ -0,0 +1,21 @@
+# This module is not entirely compatible with CPython
+import os
+
+
+os.putenv("TEST_VARIABLE", "TEST_VALUE")
+
+print(os.getenv("TEST_VARIABLE"))
+print(os.getenv("TEST_VARIABLE", "TEST_DEFAULT_VALUE"))
+
+os.unsetenv("TEST_VARIABLE")
+
+print(os.getenv("TEST_VARIABLE"))
+print(os.getenv("TEST_VARIABLE", "TEST_DEFAULT_VALUE"))
+
+print(os.system("true"))
+
+rand = os.urandom(4)
+print(type(rand) is bytes, len(rand))
+
+os.errno(2)
+print(os.errno())
diff --git a/tests/unix/mod_os.py.exp b/tests/unix/mod_os.py.exp
new file mode 100644
index 0000000000..465163085b
--- /dev/null
+++ b/tests/unix/mod_os.py.exp
@@ -0,0 +1,7 @@
+TEST_VALUE
+TEST_VALUE
+None
+TEST_DEFAULT_VALUE
+0
+True 4
+2