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import Combine
import Testing
@testable import bar
@Test @MainActor func unchangedOutputDoesNotPublish() {
let block = Block(name: "test", placement: .left, command: "")
var publications = 0
let subscription = block.$cells.dropFirst().sink { _ in publications += 1 }
defer { subscription.cancel() }
block.apply(["same", "same"])
block.apply(["same", "same"])
#expect(publications == 1)
#expect(block.cells.map(\.rawValue) == ["same", "same"])
// A highlight-only change must still publish, even with identical text.
block.apply(["&!1 same", "same"])
#expect(publications == 2)
#expect(block.cells[0].id == " same:1")
block.apply([])
block.apply([])
#expect(publications == 3)
#expect(block.cells.isEmpty)
}
@Test func runnerPreservesOutputAcrossPoolDrain() {
#expect(Runner.run("printf 'first\\n\\nlast\\n'") == ["first", "", "last"])
#expect(Runner.run("exit 1") == ["ERROR"])
}
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