68 lines
3.0 KiB
Python
68 lines
3.0 KiB
Python
import pytest
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from models import Ticket
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from dag_engine import TrackDAG
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def test_get_ready_tasks_linear():
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t1 = Ticket(id="T1", description="Task 1", status="completed", assigned_to="worker")
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t2 = Ticket(id="T2", description="Task 2", status="todo", assigned_to="worker", depends_on=["T1"])
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t3 = Ticket(id="T3", description="Task 3", status="todo", assigned_to="worker", depends_on=["T2"])
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dag = TrackDAG([t1, t2, t3])
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ready = dag.get_ready_tasks()
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assert len(ready) == 1
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assert ready[0].id == "T2"
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def test_get_ready_tasks_branching():
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t1 = Ticket(id="T1", description="Task 1", status="completed", assigned_to="worker")
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t2 = Ticket(id="T2", description="Task 2", status="todo", assigned_to="worker", depends_on=["T1"])
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t3 = Ticket(id="T3", description="Task 3", status="todo", assigned_to="worker", depends_on=["T1"])
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dag = TrackDAG([t1, t2, t3])
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ready = dag.get_ready_tasks()
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assert len(ready) == 2
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ready_ids = {t.id for t in ready}
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assert ready_ids == {"T2", "T3"}
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def test_has_cycle_no_cycle():
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t1 = Ticket(id="T1", description="Task 1", status="todo", assigned_to="worker")
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t2 = Ticket(id="T2", description="Task 2", status="todo", assigned_to="worker", depends_on=["T1"])
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dag = TrackDAG([t1, t2])
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assert not dag.has_cycle()
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def test_has_cycle_direct_cycle():
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t1 = Ticket(id="T1", description="Task 1", status="todo", assigned_to="worker", depends_on=["T2"])
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t2 = Ticket(id="T2", description="Task 2", status="todo", assigned_to="worker", depends_on=["T1"])
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dag = TrackDAG([t1, t2])
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assert dag.has_cycle()
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def test_has_cycle_indirect_cycle():
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t1 = Ticket(id="T1", description="Task 1", status="todo", assigned_to="worker", depends_on=["T2"])
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t2 = Ticket(id="T2", description="Task 2", status="todo", assigned_to="worker", depends_on=["T3"])
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t3 = Ticket(id="T3", description="Task 3", status="todo", assigned_to="worker", depends_on=["T1"])
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dag = TrackDAG([t1, t2, t3])
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assert dag.has_cycle()
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def test_has_cycle_complex_no_cycle():
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# T1 -> T2, T1 -> T3, T2 -> T4, T3 -> T4
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t1 = Ticket(id="T1", description="T1", status="todo", assigned_to="worker", depends_on=["T2", "T3"])
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t2 = Ticket(id="T2", description="T2", status="todo", assigned_to="worker", depends_on=["T4"])
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t3 = Ticket(id="T3", description="T3", status="todo", assigned_to="worker", depends_on=["T4"])
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t4 = Ticket(id="T4", description="T4", status="todo", assigned_to="worker")
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dag = TrackDAG([t1, t2, t3, t4])
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assert not dag.has_cycle()
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def test_get_ready_tasks_multiple_deps():
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t1 = Ticket(id="T1", description="T1", status="completed", assigned_to="worker")
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t2 = Ticket(id="T2", description="T2", status="completed", assigned_to="worker")
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t3 = Ticket(id="T3", description="T3", status="todo", assigned_to="worker", depends_on=["T1", "T2"])
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dag = TrackDAG([t1, t2, t3])
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assert [t.id for t in dag.get_ready_tasks()] == ["T3"]
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t2.status = "todo"
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assert [t.id for t in dag.get_ready_tasks()] == ["T2"]
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