Added unittest for paths

test/test_paths.py

@@ -0,0 +1,51 @@
+import os
+import sys
+import pytest
+from unittest import mock
+from updater import paths
+
+def test_is_frozen():
+    not_frozen = paths.is_frozen()
+    assert not_frozen == False
+    sys.frozen = True
+    frozen = paths.is_frozen()
+    assert frozen == True
+    del sys.frozen
+
+@pytest.mark.parametrize("is_frozen, expected_result", [
+    # When frozen, path should resolve to the executable file.
+    (True, sys.executable),
+    # When not frozen, it should resolve to the main file being run.
+    (False, sys.argv[0])
+])
+def test_get_executable(is_frozen, expected_result):
+    with mock.patch("updater.paths.is_frozen", return_value=is_frozen):
+        result = paths.get_executable()
+    assert result == expected_result
+
+def test_get_executable_mac():
+    old_value = paths.is_mac
+    paths.is_mac = True
+    sys.frozen = True
+    mac_fake_items = ["python", "myapp"]
+    with mock.patch("updater.paths.is_frozen", return_value=True):
+        with mock.patch("os.listdir", return_value=mac_fake_items):
+            result = paths.get_executable()
+    assert result != sys.executable
+    assert "python" not in result
+    del sys.frozen
+    paths.is_mac = old_value
+def test_executable_directory():
+    result = paths.executable_directory()
+    assert result == os.path.dirname(sys.argv[0])
+
+def test_app_path():
+    result = paths.app_path()
+    assert result == os.path.dirname(sys.argv[0])
+    old_value = paths.is_mac
+    paths.is_mac = True
+    sys.frozen = True
+    mac_result = paths.app_path()
+    assert mac_result == os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), "..", "..", "..", ".."))
+    paths.is_mac = old_value
+    del sys.frozen