Files: fb6c040c6945375f945c7613513fc1a550c557fc / tests / index.js
3478 bytesRaw
1 | const tape = require('tape') |
2 | const crypto = require('crypto') |
3 | const IPFS = require('ipfs') |
4 | const RadixTree = require('../') |
5 | |
6 | // start ipfs |
7 | const node = new IPFS({ |
8 | start: false |
9 | }) |
10 | |
11 | node.on('ready', () => { |
12 | tape('set and get', async t => { |
13 | let tree = new RadixTree({ |
14 | dag: node.dag |
15 | }) |
16 | |
17 | await tree.set('test', 'cat') |
18 | let val = await tree.get('test') |
19 | t.equals(val, 'cat') |
20 | await tree.set('te', 'blop') |
21 | val = await tree.get('test') |
22 | t.equals(val, 'cat') |
23 | |
24 | val = await tree.get('te') |
25 | t.equals(val, 'blop') |
26 | |
27 | await tree.set('rad', 'cat2') |
28 | |
29 | val = await tree.get('rad') |
30 | t.equals(val, 'cat2') |
31 | |
32 | await tree.set('test', 'cat111') |
33 | val = await tree.get('test') |
34 | t.equals(val, 'cat111') |
35 | |
36 | const stateRoot = await tree.createMerkleRoot() |
37 | |
38 | // try reteriving node from ipfs |
39 | tree = new RadixTree({ |
40 | dag: node.dag, |
41 | root: stateRoot |
42 | }) |
43 | |
44 | val = await tree.get('te') |
45 | t.equals(val, 'blop') |
46 | |
47 | val = await tree.get('rad') |
48 | t.equals(val, 'cat2') |
49 | |
50 | val = await tree.get('test') |
51 | t.equals(val, 'cat111') |
52 | // console.log(JSON.stringify(tree.root, null, 2)) |
53 | |
54 | t.end() |
55 | }) |
56 | |
57 | tape('branch nodes', async t => { |
58 | const tree = new RadixTree({ |
59 | dag: node.dag |
60 | }) |
61 | |
62 | let key0 = new RadixTree.ArrayConstructor([1, 1]) |
63 | await tree.set(key0, 'cat') |
64 | let key1 = new RadixTree.ArrayConstructor([0, 1]) |
65 | await tree.set(key1, 'cat2') |
66 | |
67 | let key2 = new RadixTree.ArrayConstructor([1, 0]) |
68 | await tree.set(key2, 'cat') |
69 | let key3 = new RadixTree.ArrayConstructor([0, 0]) |
70 | await tree.set(key3, 'cat3') |
71 | // console.log(JSON.stringify(tree.root, null, 2)) |
72 | |
73 | t.end() |
74 | }) |
75 | |
76 | tape('delete', async t => { |
77 | const tree = new RadixTree({ |
78 | dag: node.dag |
79 | }) |
80 | try { |
81 | await tree.set('test', 'cat') |
82 | await tree.set('ter', 'cat3') |
83 | await tree.delete('te') |
84 | await tree.delete('test') |
85 | await tree.delete('ter') |
86 | t.equals(tree.root['/'], undefined) |
87 | |
88 | // tests delete midle branchs |
89 | await tree.set('test', 'cat') |
90 | await tree.set('te', 'cat2') |
91 | await tree.set('ter', 'cat3') |
92 | await tree.delete('te') |
93 | let val = await tree.get('test') |
94 | t.equals(val, 'cat') |
95 | |
96 | // tests delete end branchs |
97 | await tree.set('te', 'cat2') |
98 | await tree.delete('ter') |
99 | await tree.delete('te') |
100 | await tree.delete('test') |
101 | t.equals(tree.root['/'], undefined) |
102 | } catch (e) { |
103 | console.log(e) |
104 | } |
105 | t.end() |
106 | }) |
107 | |
108 | tape('large values', async t => { |
109 | const tree = new RadixTree({ |
110 | dag: node.dag |
111 | }) |
112 | const saved = new Buffer(33).fill(1) |
113 | await tree.set('test', saved) |
114 | const value = await tree.get('test') |
115 | t.equals(value.toString(), saved.toString()) |
116 | t.end() |
117 | }) |
118 | |
119 | tape('random', async t => { |
120 | const tree = new RadixTree({ |
121 | dag: node.dag |
122 | }) |
123 | const entries = 100 |
124 | for (let i = 0; i < entries; i++) { |
125 | const key = crypto.createHash('sha256').update(i.toString()).digest().slice(0, 20) |
126 | await tree.set(key, i) |
127 | } |
128 | |
129 | for (let i = 0; i < entries; i++) { |
130 | const key = crypto.createHash('sha256').update(i.toString()).digest().slice(0, 20) |
131 | const value = await tree.get(key) |
132 | t.equals(value, i) |
133 | } |
134 | |
135 | for (let i = 0; i < entries; i++) { |
136 | const key = crypto.createHash('sha256').update(i.toString()).digest().slice(0, 20) |
137 | await tree.delete(key) |
138 | } |
139 | |
140 | t.equals(tree.root['/'], undefined) |
141 | |
142 | t.end() |
143 | }) |
144 | }) |
145 |
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