8000 test(consumer): the browser contract requires the error code by adityamukho · Pull Request #12 · project-minigraf/minigraf-wasm · GitHub
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test(consumer): the browser contract requires the error code #12

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Merged
adityamukho merged 1 commit into from
Oct 21, 2026
Merged

test(consumer): the browser contract requires the error code #12

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7 changes: 3 additions & 4 deletions consumer-test/browser/contract.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,16 +23,15 @@ async function run() {
const rows = JSON.parse(await mem.execute('(query [:find ?n ?a :where [?e :name ?n] [?e :age ?a]])')).results
check(JSON.stringify(rows) === '[["Alice",30]]', 'in-memory transact and query')

// Error type: a rejected promise with a string reason. It should carry the
// error code ("[PRS-001] ..."), but BrowserDb drops it (minigraf#673); check
// for the code once the pinned core has the fix.
// Error type: a rejected promise whose reason starts with the error code,
// as on every other API ("[PRS-011] Unknown command: nosuchcommand").
let reason
try {
await mem.execute('(nosuchcommand [])')
} catch (e) {
reason = e
}
check(typeof reason === 'string' && /nosuchcommand/.test(reason), `an invalid command rejects with its message (${reason})`)
check(typeof reason === 'string' && /^\[PRS-011\] .*nosuchcommand/.test(reason), `the error carries its code (${reason})`)

// IndexedDB-backed: survives a page reload.
const db = await BrowserDb.open('contract')
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