75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
// stm: #unit
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package store
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import (
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"testing"
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"time"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/chain/types/mock"
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)
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func TestHeadChangeCoalescer(t *testing.T) {
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//stm: @CHAIN_STORE_COALESCE_HEAD_CHANGE_001
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notif := make(chan headChange, 1)
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c := NewHeadChangeCoalescer(func(revert, apply []*types.TipSet) error {
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notif <- headChange{apply: apply, revert: revert}
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return nil
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},
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100*time.Millisecond,
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200*time.Millisecond,
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10*time.Millisecond,
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)
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defer c.Close() //nolint
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b0 := mock.MkBlock(nil, 0, 0)
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root := mock.TipSet(b0)
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bA := mock.MkBlock(root, 1, 1)
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tA := mock.TipSet(bA)
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bB := mock.MkBlock(root, 1, 2)
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tB := mock.TipSet(bB)
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tAB := mock.TipSet(bA, bB)
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bC := mock.MkBlock(root, 1, 3)
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tABC := mock.TipSet(bA, bB, bC)
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bD := mock.MkBlock(root, 1, 4)
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tABCD := mock.TipSet(bA, bB, bC, bD)
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bE := mock.MkBlock(root, 1, 5)
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tABCDE := mock.TipSet(bA, bB, bC, bD, bE)
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c.HeadChange(nil, []*types.TipSet{tA}) //nolint
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c.HeadChange(nil, []*types.TipSet{tB}) //nolint
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c.HeadChange([]*types.TipSet{tA, tB}, []*types.TipSet{tAB}) //nolint
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c.HeadChange([]*types.TipSet{tAB}, []*types.TipSet{tABC}) //nolint
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change := <-notif
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if len(change.revert) != 0 {
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t.Fatalf("expected empty revert set but got %d elements", len(change.revert))
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}
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if len(change.apply) != 1 {
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t.Fatalf("expected single element apply set but got %d elements", len(change.apply))
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}
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if change.apply[0] != tABC {
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t.Fatalf("expected to apply tABC")
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}
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c.HeadChange([]*types.TipSet{tABC}, []*types.TipSet{tABCD}) //nolint
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c.HeadChange([]*types.TipSet{tABCD}, []*types.TipSet{tABCDE}) //nolint
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change = <-notif
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if len(change.revert) != 1 {
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t.Fatalf("expected single element revert set but got %d elements", len(change.revert))
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}
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if change.revert[0] != tABC {
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t.Fatalf("expected to revert tABC")
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}
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if len(change.apply) != 1 {
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t.Fatalf("expected single element apply set but got %d elements", len(change.apply))
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}
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if change.apply[0] != tABCDE {
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t.Fatalf("expected to revert tABC")
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}
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}
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