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Code Issues 25 Releases Wiki Activity

Refs #27236 -- Split RenameField() tests with unique/index_together.

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This commit is contained in:
David Wobrock 2022-07-11 22:28:02 +02:00 committed by Mariusz Felisiak
parent 282d58e193
commit 4f284115a9
1 changed files with 72 additions and 34 deletions
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106
tests/migrations/test_operations.py
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@ -2489,10 +2489,7 @@ class OperationTests(OperationTestBase):
"""
Tests the RenameField operation.
"""
project_state = self.set_up_test_model(
"test_rnfl", unique_together=True, index_together=True
)
# Test the state alteration
project_state = self.set_up_test_model("test_rnfl")
operation = migrations.RenameField("Pony", "pink", "blue")
self.assertEqual(operation.describe(), "Rename field pink on Pony to blue")
self.assertEqual(operation.migration_name_fragment, "rename_pink_pony_blue")
@ -2500,46 +2497,19 @@ class OperationTests(OperationTestBase):
operation.state_forwards("test_rnfl", new_state)
self.assertIn("blue", new_state.models["test_rnfl", "pony"].fields)
self.assertNotIn("pink", new_state.models["test_rnfl", "pony"].fields)
# Make sure the unique_together has the renamed column too
self.assertIn(
"blue", new_state.models["test_rnfl", "pony"].options["unique_together"][0]
)
self.assertNotIn(
"pink", new_state.models["test_rnfl", "pony"].options["unique_together"][0]
)
# Make sure the index_together has the renamed column too
self.assertIn(
"blue", new_state.models["test_rnfl", "pony"].options["index_together"][0]
)
self.assertNotIn(
"pink", new_state.models["test_rnfl", "pony"].options["index_together"][0]
)
# Test the database alteration
# Rename field.
self.assertColumnExists("test_rnfl_pony", "pink")
self.assertColumnNotExists("test_rnfl_pony", "blue")
with connection.schema_editor() as editor:
operation.database_forwards("test_rnfl", editor, project_state, new_state)
self.assertColumnExists("test_rnfl_pony", "blue")
self.assertColumnNotExists("test_rnfl_pony", "pink")
# Ensure the unique constraint has been ported over
with connection.cursor() as cursor:
cursor.execute("INSERT INTO test_rnfl_pony (blue, weight) VALUES (1, 1)")
with self.assertRaises(IntegrityError):
with atomic():
cursor.execute(
"INSERT INTO test_rnfl_pony (blue, weight) VALUES (1, 1)"
)
cursor.execute("DELETE FROM test_rnfl_pony")
# Ensure the index constraint has been ported over
self.assertIndexExists("test_rnfl_pony", ["weight", "blue"])
# And test reversal
# Reversal.
with connection.schema_editor() as editor:
operation.database_backwards("test_rnfl", editor, new_state, project_state)
self.assertColumnExists("test_rnfl_pony", "pink")
self.assertColumnNotExists("test_rnfl_pony", "blue")
# Ensure the index constraint has been reset
self.assertIndexExists("test_rnfl_pony", ["weight", "pink"])
# And deconstruction
# Deconstruction.
definition = operation.deconstruct()
self.assertEqual(definition[0], "RenameField")
self.assertEqual(definition[1], [])
@ -2548,6 +2518,74 @@ class OperationTests(OperationTestBase):
{"model_name": "Pony", "old_name": "pink", "new_name": "blue"},
)
def test_rename_field_unique_together(self):
project_state = self.set_up_test_model("test_rnflut", unique_together=True)
operation = migrations.RenameField("Pony", "pink", "blue")
new_state = project_state.clone()
operation.state_forwards("test_rnflut", new_state)
# unique_together has the renamed column.
self.assertIn(
"blue",
new_state.models["test_rnflut", "pony"].options["unique_together"][0],
)
self.assertNotIn(
"pink",
new_state.models["test_rnflut", "pony"].options["unique_together"][0],
)
# Rename field.
self.assertColumnExists("test_rnflut_pony", "pink")
self.assertColumnNotExists("test_rnflut_pony", "blue")
with connection.schema_editor() as editor:
operation.database_forwards("test_rnflut", editor, project_state, new_state)
self.assertColumnExists("test_rnflut_pony", "blue")
self.assertColumnNotExists("test_rnflut_pony", "pink")
# The unique constraint has been ported over.
with connection.cursor() as cursor:
cursor.execute("INSERT INTO test_rnflut_pony (blue, weight) VALUES (1, 1)")
with self.assertRaises(IntegrityError):
with atomic():
cursor.execute(
"INSERT INTO test_rnflut_pony (blue, weight) VALUES (1, 1)"
)
cursor.execute("DELETE FROM test_rnflut_pony")
# Reversal.
with connection.schema_editor() as editor:
operation.database_backwards(
"test_rnflut", editor, new_state, project_state
)
self.assertColumnExists("test_rnflut_pony", "pink")
self.assertColumnNotExists("test_rnflut_pony", "blue")
def test_rename_field_index_together(self):
project_state = self.set_up_test_model("test_rnflit", index_together=True)
operation = migrations.RenameField("Pony", "pink", "blue")
new_state = project_state.clone()
operation.state_forwards("test_rnflit", new_state)
self.assertIn("blue", new_state.models["test_rnflit", "pony"].fields)
self.assertNotIn("pink", new_state.models["test_rnflit", "pony"].fields)
# index_together has the renamed column.
self.assertIn(
"blue", new_state.models["test_rnflit", "pony"].options["index_together"][0]
)
self.assertNotIn(
"pink", new_state.models["test_rnflit", "pony"].options["index_together"][0]
)
# Rename field.
self.assertColumnExists("test_rnflit_pony", "pink")
self.assertColumnNotExists("test_rnflit_pony", "blue")
with connection.schema_editor() as editor:
operation.database_forwards("test_rnflit", editor, project_state, new_state)
self.assertColumnExists("test_rnflit_pony", "blue")
self.assertColumnNotExists("test_rnflit_pony", "pink")
# The index constraint has been ported over.
self.assertIndexExists("test_rnflit_pony", ["weight", "blue"])
# Reversal.
with connection.schema_editor() as editor:
operation.database_backwards(
"test_rnflit", editor, new_state, project_state
)
self.assertIndexExists("test_rnflit_pony", ["weight", "pink"])
def test_rename_field_with_db_column(self):
project_state = self.apply_operations(
"test_rfwdbc",