76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package main
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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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"github.com/stretchr/testify/assert"
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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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assert.Equal(
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t,
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"64b04b718d8b7c5b6fd17f7ec221945c034cfce3be4118da33244966150c4bd4",
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hex.EncodeToString(n5.Data),
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"Level 1 hash 1 is correct",
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)
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assert.Equal(
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t,
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"08bd0d1426f87a78bfc2f0b13eccdf6f5b58dac6b37a7b9441c1a2fab415d76c",
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hex.EncodeToString(n6.Data),
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"Level 1 hash 2 is correct",
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)
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assert.Equal(
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t,
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"4e3e44e55926330ab6c31892f980f8bfd1a6e910ff1ebc3f778211377f35227e",
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hex.EncodeToString(n7.Data),
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"Root hash is correct",
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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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assert.Equal(t, rootHash, fmt.Sprintf("%x", mTree.RootNode.Data), "Merkle tree root hash is correct")
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}
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