0d073fa89e
- Add GETTING_STARTED.md with quick start guide and development modes - Add INSTALL.sh automated installation script - Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md - Add QUICK_REFERENCE.md for common commands - Add SETUP_GUIDE.md with detailed setup instructions - Update README.md with improved project overview - Add did-wallet app dependencies and node_modules
91 lines
2.0 KiB
JavaScript
91 lines
2.0 KiB
JavaScript
'use strict'
|
|
|
|
const test = require('tape')
|
|
const { mockLevel } = require('../util')
|
|
|
|
test('defer() requires valid function argument', function (t) {
|
|
t.plan(7)
|
|
|
|
const db = mockLevel()
|
|
|
|
for (const invalid of [123, true, false, null, undefined, {}]) {
|
|
try {
|
|
db.defer(invalid)
|
|
} catch (err) {
|
|
t.is(err.message, 'The first argument must be a function')
|
|
}
|
|
}
|
|
|
|
db.close(t.ifError.bind(t))
|
|
})
|
|
|
|
test('defer() custom operation', function (t) {
|
|
t.plan(6)
|
|
|
|
const db = mockLevel({
|
|
custom (arg, callback) {
|
|
if (this.status === 'opening') {
|
|
t.is(arg, 123)
|
|
this.defer(() => this.custom(456, callback))
|
|
} else {
|
|
t.is(db.status, 'open')
|
|
t.is(arg, 456)
|
|
this.nextTick(callback, null, 987)
|
|
}
|
|
}
|
|
})
|
|
|
|
db.custom(123, function (err, result) {
|
|
t.ifError(err, 'no custom() error')
|
|
t.is(result, 987, 'result ok')
|
|
|
|
db.close(t.ifError.bind(t))
|
|
})
|
|
})
|
|
|
|
test('defer() custom operation with failed open', function (t) {
|
|
t.plan(4)
|
|
|
|
const db = mockLevel({
|
|
_open (options, callback) {
|
|
t.pass('opened')
|
|
this.nextTick(callback, new Error('_open error'))
|
|
},
|
|
custom (arg, callback) {
|
|
if (this.status === 'opening') {
|
|
this.defer(() => this.custom(arg, callback))
|
|
} else {
|
|
t.is(db.status, 'closed')
|
|
this.nextTick(callback, new Error('Database is not open (x)'))
|
|
}
|
|
}
|
|
})
|
|
|
|
db.custom(123, function (err, result) {
|
|
t.is(err && err.message, 'Database is not open (x)')
|
|
t.is(result, undefined, 'result ok')
|
|
})
|
|
})
|
|
|
|
test('defer() can drop custom synchronous operation', function (t) {
|
|
t.plan(3)
|
|
|
|
const db = mockLevel({
|
|
_open (options, callback) {
|
|
t.pass('opened')
|
|
this.nextTick(callback, new Error('_open error'))
|
|
},
|
|
custom (arg) {
|
|
if (this.status === 'opening') {
|
|
this.defer(() => this.custom(arg * 2))
|
|
} else {
|
|
// Handling other states is a userland responsibility
|
|
t.is(db.status, 'closed')
|
|
t.is(arg, 246)
|
|
}
|
|
}
|
|
})
|
|
|
|
db.custom(123)
|
|
})
|