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[1.7.x] Fixed #23352 -- Added tests for MigrationGraph.{forwards,backwards}_plan

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Backport of be4baaefe2 from master
This commit is contained in:
Raffaele Salmaso
2014-08-23 11:37:25 +02:00
committed by Tim Graham
parent 3d88ed3341
commit 4ae75cf051
1 changed files with 13 additions and 0 deletions
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13
tests/migrations/test_graph.py
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@@ -133,3 +133,16 @@ class GraphTests(TestCase):
CircularDependencyError, CircularDependencyError,
graph.forwards_plan, ("app_a", "0003"), graph.forwards_plan, ("app_a", "0003"),
) )
def test_plan_invalid_node(self):
"""
Tests for forwards/backwards_plan of nonexistent node.
"""
graph = MigrationGraph()
message = "Node ('app_b', '0001') not a valid node"
with self.assertRaisesMessage(ValueError, message):
graph.forwards_plan(("app_b", "0001"))
with self.assertRaisesMessage(ValueError, message):
graph.backwards_plan(("app_b", "0001"))