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Add data to migration tests #205

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Add data to migration tests #205

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b286dc2
Add data and assertions to migration tests
AlanCoding Mar 31, 2023
b06d4aa
Add data in the migration tests
AlanCoding Apr 13, 2023
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24 changes: 24 additions & 0 deletions sortedm2m_tests/test_migrations.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@ def test_alter_field_m2m(self):

def test_alter_field_m2m_to_sorted(self):
project_state = self.set_up_test_model("test_alflmm", second_model=True)
Pony = project_state.apps.get_model("test_alflmm", "Pony")

project_state = self.apply_operations(
"test_alflmm",
Expand All @@ -60,6 +61,14 @@ def test_alter_field_m2m_to_sorted(self):
Pony = project_state.apps.get_model("test_alflmm", "Pony")
self.assertIsInstance(Pony._meta.get_field("stables"), models.ManyToManyField)

# Create data to check after migration
pony = Pony.objects.create(weight=2.5)
Stable = project_state.apps.get_model("test_alflmm", "Stable")
pony.stables.add(
Stable.objects.create(),
Stable.objects.create()
)

project_state = self.apply_operations(
"test_alflmm",
project_state,
Expand All @@ -74,6 +83,8 @@ def test_alter_field_m2m_to_sorted(self):
],
)
Pony = project_state.apps.get_model("test_alflmm", "Pony")
pony = Pony.objects.first()
assert len(set(pony.stables.all())) == 2
self.assertIsInstance(Pony._meta.get_field("stables"), SortedManyToManyField)

def test_alter_field_sortedm2m_to_m2m(self):
Expand All @@ -93,6 +104,15 @@ def test_alter_field_sortedm2m_to_m2m(self):
Pony = project_state.apps.get_model("test_alflmm", "Pony")
self.assertIsInstance(Pony._meta.get_field("stables"), SortedManyToManyField)

# Create data to check after migration
pony = Pony.objects.create(weight=2.5)
Stable = project_state.apps.get_model("test_alflmm", "Stable")
pony.stables.add(
Stable.objects.create(),
Stable.objects.create()
)
stable_ids = [stable.id for stable in pony.stables.all()]

project_state = self.apply_operations(
"test_alflmm",
project_state,
Expand All @@ -109,6 +129,10 @@ def test_alter_field_sortedm2m_to_m2m(self):
Pony = project_state.apps.get_model("test_alflmm", "Pony")
self.assertIsInstance(Pony._meta.get_field("stables"), models.ManyToManyField)

# Check that data is still there and ordered
pony = Pony.objects.first()
assert [stable.id for stable in pony.stables.all()] == stable_ids

def test_unapply_alter_field_m2m_to_sortedm2m(self):
project_state = self.set_up_test_model("test_alflmm", second_model=True)

Expand Down