Implemented control commands and tests. Rewritten error and session/flash handling.

tests/test_control.py

@@ -0,0 +1,45 @@
+import pytest
+from cista import config
+from cista.protocol import MkDir, Rename, Rm, Mv, Cp
+from pathlib import Path
+import tempfile
+
+@pytest.fixture
+def setup_temp_dir():
+    with tempfile.TemporaryDirectory() as tmpdirname:
+        config.config = config.Config(path=Path(tmpdirname), listen=":0")
+        yield Path(tmpdirname)
+
+def test_mkdir(setup_temp_dir):
+    cmd = MkDir(path="new_folder")
+    cmd()
+    assert (setup_temp_dir / "new_folder").is_dir()
+
+def test_rename(setup_temp_dir):
+    (setup_temp_dir / "old_name").mkdir()
+    cmd = Rename(path="old_name", to="new_name")
+    cmd()
+    assert not (setup_temp_dir / "old_name").exists()
+    assert (setup_temp_dir / "new_name").is_dir()
+
+def test_rm(setup_temp_dir):
+    (setup_temp_dir / "folder_to_remove").mkdir()
+    cmd = Rm(sel=["folder_to_remove"])
+    cmd()
+    assert not (setup_temp_dir / "folder_to_remove").exists()
+
+def test_mv(setup_temp_dir):
+    (setup_temp_dir / "folder_to_move").mkdir()
+    (setup_temp_dir / "destination").mkdir()
+    cmd = Mv(sel=["folder_to_move"], dst="destination")
+    cmd()
+    assert not (setup_temp_dir / "folder_to_move").exists()
+    assert (setup_temp_dir / "destination" / "folder_to_move").is_dir()
+
+def test_cp(setup_temp_dir):
+    (setup_temp_dir / "folder_to_copy").mkdir()
+    (setup_temp_dir / "destination").mkdir()
+    cmd = Cp(sel=["folder_to_copy"], dst="destination")
+    cmd()
+    assert (setup_temp_dir / "folder_to_copy").is_dir()
+    assert (setup_temp_dir / "destination" / "folder_to_copy").is_dir()