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from engine_03.flow.graph_models import table_to_flowgraph
from engine_03.flow.mermaid_renderer import build_mermaid
from engine_03.flow.simulator import simulate_flowgraph
def test_basic_flow():
nodes = [
["a", "Start", "event"],
["b", "Middle", "function"],
["c", "End", "output"],
]
edges = [
["a", "b", ""],
["b", "c", ""],
]
flow = table_to_flowgraph(nodes, edges)
mermaid = build_mermaid(flow)
sim = simulate_flowgraph(flow)
assert "a[Start]" in mermaid
assert "b[Middle]" in mermaid
assert "c[End]" in mermaid
assert "Node `a`" in sim
assert "Node `b`" in sim
assert "Node `c`" in sim
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