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61 lines
1.2 KiB
61 lines
1.2 KiB
6 years ago
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package blockchain
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import (
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"encoding/hex"
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"fmt"
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"testing"
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)
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func TestNewMerkleNode(t *testing.T) {
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data := [][]byte{
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[]byte("node1"),
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[]byte("node2"),
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[]byte("node3"),
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}
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// Level 1
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n1 := NewMerkleNode(nil, nil, data[0])
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n2 := NewMerkleNode(nil, nil, data[1])
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n3 := NewMerkleNode(nil, nil, data[2])
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n4 := NewMerkleNode(nil, nil, data[2])
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// Level 2
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n5 := NewMerkleNode(n1, n2, nil)
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n6 := NewMerkleNode(n3, n4, nil)
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// Level 3
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n7 := NewMerkleNode(n5, n6, nil)
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if hex.EncodeToString(n7.Data) != "4e3e44e55926330ab6c31892f980f8bfd1a6e910ff1ebc3f778211377f35227e" {
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t.Errorf("merkle tree is not built correctly.")
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}
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}
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func TestNewMerkleTree(t *testing.T) {
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data := [][]byte{
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[]byte("node1"),
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[]byte("node2"),
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[]byte("node3"),
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}
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// Level 1
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n1 := NewMerkleNode(nil, nil, data[0])
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n2 := NewMerkleNode(nil, nil, data[1])
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n3 := NewMerkleNode(nil, nil, data[2])
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n4 := NewMerkleNode(nil, nil, data[2])
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// Level 2
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n5 := NewMerkleNode(n1, n2, nil)
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n6 := NewMerkleNode(n3, n4, nil)
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// Level 3
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n7 := NewMerkleNode(n5, n6, nil)
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rootHash := fmt.Sprintf("%x", n7.Data)
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mTree := NewMerkleTree(data)
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if rootHash != fmt.Sprintf("%x", mTree.RootNode.Data) {
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t.Errorf("Merkle tree root hash is incorrect")
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}
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}
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