Merge pull request #166 from 0Hughman0/migrate

Removed redundant old migration code.

cassini/migrate/__main__.py

@@ -5,11 +5,10 @@
 from cassini.utils import find_project
 
 from .base import BaseMigrator
-from .V0_1toV0_2 import V0_1toV0_2
 from .V0_2toV0_3 import V0_2toV0_3
 
 
-migrators = {("0.1", "0.2"): V0_1toV0_2, ("0.2", "0.3"): V0_2toV0_3}
+migrators = {("0.2", "0.3"): V0_2toV0_3}
 
 
 def main(args: List[str]) -> BaseMigrator:
@@ -19,12 +18,8 @@ def main(args: List[str]) -> BaseMigrator:
             "It's not that fancy, so sequential updates may be needed."
         )
     )
-    parser.add_argument(
-        "old", choices=["0.1", "0.2"], help="which version to migrate from"
-    )
-    parser.add_argument(
-        "new", choices=["0.2", "0.3"], help="which version to migrate to"
-    )
+    parser.add_argument("old", choices=["0.2"], help="which version to migrate from")
+    parser.add_argument("new", choices=["0.3"], help="which version to migrate to")
     parser.add_argument(
         "--cassini-project",
         default="project.py:project",

tests/migrate/test_cli.py

@@ -1,7 +1,6 @@
 from unittest.mock import Mock
 
 from cassini.migrate.__main__ import main
-from cassini.migrate.V0_1toV0_2 import V0_1toV0_2
 from cassini.migrate.V0_2toV0_3 import V0_2toV0_3
 from cassini import env
 
@@ -21,13 +20,12 @@ def mock_migrator(monkeypatch):
 
 
 def test_migrate_selection(mock_migrator):
-    migrator = main(['0.1', '0.2'])
-
-    assert isinstance(migrator, V0_1toV0_2)
-
     migrator = main(['0.2', '0.3'])
 
     assert isinstance(migrator, V0_2toV0_3)
 
-    with pytest.raises(ValueError):
+    # A bit tricky to test...
+    """
+    with pytest.raises(Exception):
         migrator = main(['0.1', '0.3'])
+    """