49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
package core_test
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import (
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"math/big"
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"github.com/8thlight/vulcanizedb/core"
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"github.com/8thlight/vulcanizedb/fakes"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("The fake blockchain", func() {
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It("lets the only observer know when a block was added", func() {
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blockchain := fakes.Blockchain{}
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blockchainObserver := &fakes.BlockchainObserver{}
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blockchain.RegisterObserver(blockchainObserver)
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blockchain.AddBlock(core.Block{})
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Expect(blockchainObserver.WasToldBlockAdded()).Should(Equal(true))
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})
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It("lets the second observer know when a block was added", func() {
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blockchain := fakes.Blockchain{}
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blockchainObserverOne := &fakes.BlockchainObserver{}
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blockchainObserverTwo := &fakes.BlockchainObserver{}
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blockchain.RegisterObserver(blockchainObserverOne)
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blockchain.RegisterObserver(blockchainObserverTwo)
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blockchain.AddBlock(core.Block{})
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Expect(blockchainObserverTwo.WasToldBlockAdded()).Should(Equal(true))
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})
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It("passes the added block to the observer", func() {
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blockchain := fakes.Blockchain{}
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blockchainObserver := &fakes.BlockchainObserver{}
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blockchain.RegisterObserver(blockchainObserver)
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blockchain.AddBlock(core.Block{Number: big.NewInt(123)})
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Expect(blockchainObserver.LastAddedBlock.Number).ShouldNot(BeNil())
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Expect(blockchainObserver.LastAddedBlock.Number).Should(Equal(big.NewInt(123)))
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})
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})
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