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JavaScriptSolidServer/test/webledger.test.js at patchAppend · bourgeoa/JavaScriptSolidServer · GitHub
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/**
* Web Ledger module tests
* Verifies spec compliance with https://webledgers.org/
*/
import
{
describe
,
it
}
from
'node:test'
;
import
assert
from
'node:assert'
;
import
{
createLedger
,
getBalance
,
setBalance
,
credit
,
debit
,
listBalances
,
compact
}
from
'../src/webledger.js'
;
const
CONTEXT
=
'https://w3id.org/webledgers'
;
describe
(
'Web Ledger'
,
(
)
=>
{
describe
(
'createLedger'
,
(
)
=>
{
it
(
'should create spec-compliant ledger with required fields'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
assert
.
strictEqual
(
ledger
[
'@context'
]
,
CONTEXT
)
;
assert
.
strictEqual
(
ledger
.
type
,
'WebLedger'
)
;
assert
.
strictEqual
(
ledger
.
defaultCurrency
,
'satoshi'
)
;
assert
.
ok
(
Array
.
isArray
(
ledger
.
entries
)
)
;
assert
.
strictEqual
(
ledger
.
entries
.
length
,
0
)
;
assert
.
ok
(
typeof
ledger
.
created
===
'number'
)
;
assert
.
ok
(
typeof
ledger
.
updated
===
'number'
)
;
}
)
;
it
(
'should accept custom options'
,
(
)
=>
{
const
ledger
=
createLedger
(
{
name
:
'Alice Credits'
,
description
:
'Pod credits for alice.pod'
,
id
:
'https://alice.example/.well-known/webledgers/webledgers.json'
,
defaultCurrency
:
'USD'
}
)
;
assert
.
strictEqual
(
ledger
.
name
,
'Alice Credits'
)
;
assert
.
strictEqual
(
ledger
.
description
,
'Pod credits for alice.pod'
)
;
assert
.
strictEqual
(
ledger
.
id
,
'https://alice.example/.well-known/webledgers/webledgers.json'
)
;
assert
.
strictEqual
(
ledger
.
defaultCurrency
,
'USD'
)
;
}
)
;
}
)
;
describe
(
'getBalance / setBalance'
,
(
)
=>
{
it
(
'should return 0 for unknown URI'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:abc123'
)
,
0
)
;
}
)
;
it
(
'should set and get balance'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
setBalance
(
ledger
,
'did:nostr:abc123'
,
5000
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:abc123'
)
,
5000
)
;
}
)
;
it
(
'should create spec-compliant Entry'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
setBalance
(
ledger
,
'did:nostr:abc123'
,
100
)
;
const
entry
=
ledger
.
entries
[
0
]
;
assert
.
strictEqual
(
entry
.
type
,
'Entry'
)
;
assert
.
strictEqual
(
entry
.
url
,
'did:nostr:abc123'
)
;
assert
.
strictEqual
(
entry
.
amount
,
'100'
)
;
}
)
;
it
(
'should update existing entry'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
setBalance
(
ledger
,
'did:nostr:abc123'
,
100
)
;
setBalance
(
ledger
,
'did:nostr:abc123'
,
200
)
;
assert
.
strictEqual
(
ledger
.
entries
.
length
,
1
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:abc123'
)
,
200
)
;
}
)
;
it
(
'should handle array amount format'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
ledger
.
entries
.
push
(
{
type
:
'Entry'
,
url
:
'did:nostr:multi'
,
amount
:
[
{
currency
:
'satoshi'
,
value
:
'50000'
}
,
{
currency
:
'USD'
,
value
:
'25.00'
}
]
}
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:multi'
)
,
50000
)
;
}
)
;
}
)
;
describe
(
'credit / debit'
,
(
)
=>
{
it
(
'should credit a new URI'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
const
bal
=
credit
(
ledger
,
'did:nostr:user1'
,
1000
)
;
assert
.
strictEqual
(
bal
,
1000
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:user1'
)
,
1000
)
;
}
)
;
it
(
'should accumulate credits'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:user1'
,
1000
)
;
const
bal
=
credit
(
ledger
,
'did:nostr:user1'
,
500
)
;
assert
.
strictEqual
(
bal
,
1500
)
;
}
)
;
it
(
'should debit when sufficient balance'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:user1'
,
1000
)
;
const
result
=
debit
(
ledger
,
'did:nostr:user1'
,
300
)
;
assert
.
strictEqual
(
result
.
success
,
true
)
;
assert
.
strictEqual
(
result
.
balance
,
700
)
;
}
)
;
it
(
'should fail debit when insufficient balance'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:user1'
,
100
)
;
const
result
=
debit
(
ledger
,
'did:nostr:user1'
,
200
)
;
assert
.
strictEqual
(
result
.
success
,
false
)
;
assert
.
strictEqual
(
result
.
balance
,
100
)
;
// Balance unchanged
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:user1'
)
,
100
)
;
}
)
;
it
(
'should fail debit on zero balance'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
const
result
=
debit
(
ledger
,
'did:nostr:nobody'
,
1
)
;
assert
.
strictEqual
(
result
.
success
,
false
)
;
assert
.
strictEqual
(
result
.
balance
,
0
)
;
}
)
;
}
)
;
describe
(
'listBalances / compact'
,
(
)
=>
{
it
(
'should list non-zero balances'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:a'
,
100
)
;
credit
(
ledger
,
'did:nostr:b'
,
0
)
;
credit
(
ledger
,
'did:nostr:c'
,
50
)
;
const
list
=
listBalances
(
ledger
)
;
assert
.
strictEqual
(
list
.
length
,
2
)
;
assert
.
ok
(
list
.
find
(
e
=>
e
.
url
===
'did:nostr:a'
&&
e
.
amount
===
100
)
)
;
assert
.
ok
(
list
.
find
(
e
=>
e
.
url
===
'did:nostr:c'
&&
e
.
amount
===
50
)
)
;
}
)
;
it
(
'should compact zero-balance entries'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:a'
,
100
)
;
credit
(
ledger
,
'did:nostr:b'
,
50
)
;
debit
(
ledger
,
'did:nostr:b'
,
50
)
;
assert
.
strictEqual
(
ledger
.
entries
.
length
,
2
)
;
compact
(
ledger
)
;
assert
.
strictEqual
(
ledger
.
entries
.
length
,
1
)
;
assert
.
strictEqual
(
ledger
.
entries
[
0
]
.
url
,
'did:nostr:a'
)
;
}
)
;
}
)
;
describe
(
'multi-currency'
,
(
)
=>
{
it
(
'should credit and debit with specific currency'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
const
bal
=
credit
(
ledger
,
'did:nostr:user1'
,
1000
,
'tbtc3'
)
;
assert
.
strictEqual
(
bal
,
1000
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:user1'
,
'tbtc3'
)
,
1000
)
;
// Default balance should be 0 (no satoshi credits)
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:user1'
)
,
0
)
;
}
)
;
it
(
'should track multiple currencies independently'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:user1'
,
1000
,
'tbtc3'
)
;
credit
(
ledger
,
'did:nostr:user1'
,
5000
,
'tbtc4'
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:user1'
,
'tbtc3'
)
,
1000
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:user1'
,
'tbtc4'
)
,
5000
)
;
}
)
;
it
(
'should debit specific currency'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:user1'
,
1000
,
'tbtc3'
)
;
credit
(
ledger
,
'did:nostr:user1'
,
5000
,
'tbtc4'
)
;
const
result
=
debit
(
ledger
,
'did:nostr:user1'
,
300
,
'tbtc3'
)
;
assert
.
strictEqual
(
result
.
success
,
true
)
;
assert
.
strictEqual
(
result
.
balance
,
700
)
;
// tbtc4 unchanged
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:user1'
,
'tbtc4'
)
,
5000
)
;
}
)
;
it
(
'should fail debit when currency balance insufficient'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:user1'
,
100
,
'tbtc3'
)
;
const
result
=
debit
(
ledger
,
'did:nostr:user1'
,
200
,
'tbtc3'
)
;
assert
.
strictEqual
(
result
.
success
,
false
)
;
assert
.
strictEqual
(
result
.
balance
,
100
)
;
}
)
;
it
(
'should migrate simple string to array on currency credit'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
// First set a simple balance
setBalance
(
ledger
,
'did:nostr:user1'
,
500
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:user1'
)
,
500
)
;
// Now add a currency-specific balance — should migrate to array
credit
(
ledger
,
'did:nostr:user1'
,
1000
,
'tbtc3'
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:user1'
,
'tbtc3'
)
,
1000
)
;
// Old satoshi balance should be preserved in array
const
entry
=
ledger
.
entries
.
find
(
e
=>
e
.
url
===
'did:nostr:user1'
)
;
assert
.
ok
(
Array
.
isArray
(
entry
.
amount
)
)
;
const
satEntry
=
entry
.
amount
.
find
(
a
=>
a
.
currency
===
'satoshi'
)
;
assert
.
strictEqual
(
parseInt
(
satEntry
.
value
)
,
500
)
;
}
)
;
it
(
'should use array format in entries'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:user1'
,
1000
,
'tbtc3'
)
;
const
entry
=
ledger
.
entries
.
find
(
e
=>
e
.
url
===
'did:nostr:user1'
)
;
assert
.
ok
(
Array
.
isArray
(
entry
.
amount
)
)
;
assert
.
strictEqual
(
entry
.
amount
[
0
]
.
currency
,
'tbtc3'
)
;
assert
.
strictEqual
(
entry
.
amount
[
0
]
.
value
,
'1000'
)
;
}
)
;
}
)
;
describe
(
'URI format support'
,
(
)
=>
{
it
(
'should work with did:nostr URIs'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'did:nostr:de7ecd1e2976a6adb2ffa5f4db81a7d812c8bb6698aa00dcf1e76adb55efd645'
,
100
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'did:nostr:de7ecd1e2976a6adb2ffa5f4db81a7d812c8bb6698aa00dcf1e76adb55efd645'
)
,
100
)
;
}
)
;
it
(
'should work with WebID URIs'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'https://alice.example/profile/card#me'
,
500
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'https://alice.example/profile/card#me'
)
,
500
)
;
}
)
;
it
(
'should work with mailto URIs'
,
(
)
=>
{
const
ledger
=
createLedger
(
)
;
credit
(
ledger
,
'mailto:alice@example.com'
,
200
)
;
assert
.
strictEqual
(
getBalance
(
ledger
,
'mailto:alice@example.com'
)
,
200
)
;
}
)
;
}
)
;
}
)
;
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