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Observed tests: wait for the restarted collector's init before reading it #80

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Observed tests: wait for the restarted collector's init before reading it #80

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8 changes: 8 additions & 0 deletions test/beam_mcp/connectome/observed_test.exs
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Original file line number Diff line number Diff line change
Expand Up @@ -162,6 +162,10 @@ defmodule BeamMCP.Connectome.ObservedTest do

assert Process.alive?(sup)
assert is_pid(new)
# The name is registered before init/1 runs, and init/1 creates the table snapshot/1
# reads: the gap lasts until init returns. A call to the process is answered only after
# it has (the floor leg read between the two once, G-090's record).
_ = :sys.get_state(new)
assert {:ok, %Graph{nodes: [], edges: []}} = Observed.snapshot(name)

ids = Enum.map(:telemetry.list_handlers([:beam_mcp, :dispatch, :stop]), & &1.id)
Expand Down Expand Up @@ -215,6 +219,10 @@ defmodule BeamMCP.Connectome.ObservedTest do
end)

assert is_pid(new)
# The name is registered before init/1 runs, and init/1 creates the table snapshot/1
# reads: the gap lasts until init returns. A call to the process is answered only after
# it has (the floor leg read between the two once, G-090's record).
_ = :sys.get_state(new)
assert {:ok, %Graph{edges: []}} = Observed.snapshot(name)
call(state, :echo)
assert {:ok, %Graph{edges: [%Edge{weight: 1}]}} = Observed.snapshot(name)
Expand Down
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