Refactor tests, remove platform-specific ones

.gitignore

@@ -6,3 +6,4 @@
 pipelines/
 defaults/
 site/
+scratch*

tests/utils/test_environment.py

@@ -1,37 +1,33 @@
 import os
-from unittest.mock import patch
 
 import pytest
 
 from kpops.utils.environment import Environment
 
 
-@pytest.fixture()
-def fake_environment_windows(monkeypatch: pytest.MonkeyPatch):
+@pytest.fixture(autouse=True)
+def environment(monkeypatch: pytest.MonkeyPatch) -> Environment:
     monkeypatch.setenv("MY", "fake")
     monkeypatch.setenv("ENVIRONMENT", "here")
+    return Environment()
 
 
-@pytest.fixture()
-def fake_environment_linux(monkeypatch: pytest.MonkeyPatch):
-    monkeypatch.setenv("my", "fake")
-    monkeypatch.setenv("environment", "here")
-
+def test_get_item(environment: Environment):
+    assert environment["MY"] == "fake"
+    assert environment["ENVIRONMENT"] == "here"
 
-@patch("platform.system")
-def test_normal_behaviour_get_item(system, fake_environment_linux):
-    system.return_value = "Linux"
-    environment = Environment()
 
-    assert environment["my"] == "fake"
-    assert environment["environment"] == "here"
+def test_set_item(environment: Environment):
+    environment["extra"] = "key"
 
+    keys = set(environment.keys())
+    assert "MY" in keys
+    assert "ENVIRONMENT" in keys
+    assert "extra" in keys
+    assert environment["extra"] == "key"
 
-@patch("platform.system")
-def test_normal_behaviour_update_os_environ(system, fake_environment_linux):
-    system.return_value = "Linux"
-    environment = Environment()
 
+def test_update_os_environ(environment: Environment):
     with pytest.raises(KeyError):
         environment["TEST"]
     os.environ["TEST"] = "test"
@@ -44,57 +40,17 @@ def test_normal_behaviour_update_os_environ(system, fake_environment_linux):
     assert items["TEST"] == "test"
 
 
-@patch("platform.system")
-def test_normal_behaviour_kwargs(system, fake_environment_linux):
-    system.return_value = "Linux"
+def test_mapping():
     environment = Environment(**{"kwarg1": "value1", "kwarg2": "value2"})
-
-    assert environment["my"] == "fake"
-    assert environment["environment"] == "here"
+    assert environment["MY"] == "fake"
+    assert environment["ENVIRONMENT"] == "here"
     assert environment["kwarg1"] == "value1"
     assert environment["kwarg2"] == "value2"
 
 
-@patch("platform.system")
-def test_normal_behaviour_keys_transformation(system, fake_environment_linux):
-    system.return_value = "Linux"
-    environment = Environment()
-    keys = set(environment.keys())
-
-    assert "my" in keys
-    assert "environment" in keys
-
-
-@patch("platform.system")
-def test_normal_behaviour_set_key(system, fake_environment_linux):
-    system.return_value = "Linux"
-    environment = Environment()
-    environment["extra"] = "key"
-
-    keys = set(environment.keys())
-    assert "my" in keys
-    assert "environment" in keys
-    assert "extra" in keys
-    assert environment["extra"] == "key"
-
-
-@patch("platform.system")
-def test_windows_behaviour_get_item(system, fake_environment_windows):
-    system.return_value = "Windows"
-
-    environment = Environment()
+def test_kwargs():
+    environment = Environment(kwarg1="value1", kwarg2="value2")
     assert environment["MY"] == "fake"
     assert environment["ENVIRONMENT"] == "here"
-
-
-@patch("platform.system")
-def test_windows_behaviour_set_key(system, fake_environment_windows):
-    system.return_value = "Windows"
-    environment = Environment()
-    environment["extra"] = "key"
-
-    keys = set(environment.keys())
-    assert "MY" in keys
-    assert "ENVIRONMENT" in keys
-    assert "extra" in keys
-    assert environment["extra"] == "key"
+    assert environment["kwarg1"] == "value1"
+    assert environment["kwarg2"] == "value2"