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Also test failure case of ProjectState dependency resolution
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@ -1,7 +1,7 @@
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from django.test import TestCase
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from django.db import models
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from django.db.models.loading import BaseAppCache
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from django.db.migrations.state import ProjectState, ModelState
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from django.db.migrations.state import ProjectState, ModelState, InvalidBasesError
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class StateTests(TestCase):
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@ -166,3 +166,12 @@ class StateTests(TestCase):
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project_state.add_model_state(ModelState.from_model(F))
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final_app_cache = project_state.render()
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self.assertEqual(len(final_app_cache.get_models()), 6)
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# Now make an invalid ProjectState and make sure it fails
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project_state = ProjectState()
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project_state.add_model_state(ModelState.from_model(A))
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project_state.add_model_state(ModelState.from_model(B))
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project_state.add_model_state(ModelState.from_model(C))
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project_state.add_model_state(ModelState.from_model(F))
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with self.assertRaises(InvalidBasesError):
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project_state.render()
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