forked from cerc-io/ipld-eth-server
76 lines
2.5 KiB
Go
76 lines
2.5 KiB
Go
package history_test
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import (
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"math/big"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
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"github.com/vulcanize/vulcanizedb/pkg/history"
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"github.com/vulcanize/vulcanizedb/pkg/transformers"
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)
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var _ = Describe("Populating headers", func() {
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var headerRepository *fakes.MockHeaderRepository
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BeforeEach(func() {
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headerRepository = fakes.NewMockHeaderRepository()
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})
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It("returns number of headers added", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetLastBlock(big.NewInt(2))
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headerRepository.SetMissingBlockNumbers([]int64{2})
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headersAdded, err := history.PopulateMissingHeaders(blockChain, headerRepository, 1, []transformers.Transformer{})
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Expect(err).NotTo(HaveOccurred())
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Expect(headersAdded).To(Equal(1))
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})
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It("adds missing headers to the db", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetLastBlock(big.NewInt(2))
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headerRepository.SetMissingBlockNumbers([]int64{2})
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_, err := history.PopulateMissingHeaders(blockChain, headerRepository, 1, []transformers.Transformer{})
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Expect(err).NotTo(HaveOccurred())
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headerRepository.AssertCreateOrUpdateHeaderCallCountAndPassedBlockNumbers(1, []int64{2})
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})
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It("executes passed transformers with created headers", func() {
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blockNumber := int64(54321)
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetLastBlock(big.NewInt(blockNumber))
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headerRepository.SetMissingBlockNumbers([]int64{blockNumber})
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headerID := int64(12345)
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headerRepository.SetCreateOrUpdateHeaderReturnID(headerID)
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transformer := fakes.NewMockTransformer()
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_, err := history.PopulateMissingHeaders(blockChain, headerRepository, 1, []transformers.Transformer{transformer})
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Expect(err).NotTo(HaveOccurred())
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transformer.AssertExecuteCalledWith(core.Header{BlockNumber: blockNumber}, headerID)
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})
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It("returns error if executing transformer fails", func() {
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blockNumber := int64(54321)
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetLastBlock(big.NewInt(blockNumber))
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headerRepository.SetMissingBlockNumbers([]int64{blockNumber})
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headerID := int64(12345)
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headerRepository.SetCreateOrUpdateHeaderReturnID(headerID)
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transformer := fakes.NewMockTransformer()
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transformer.SetExecuteErr(fakes.FakeError)
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_, err := history.PopulateMissingHeaders(blockChain, headerRepository, 1, []transformers.Transformer{transformer})
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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})
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