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var db
module.exports.setUp = function (leveldown, test, testCommon) {
test('setUp common', testCommon.setUp)
test('setUp db', function (t) {
db = leveldown(testCommon.location())
db.open(t.end.bind(t))
})
}
module.exports.args = function (test) {
test('test argument-less approximateSize() throws', function (t) {
t.throws(
db.approximateSize.bind(db)
, { name: 'Error', message: 'approximateSize() requires valid `start`, `end` and `callback` arguments' }
, 'no-arg approximateSize() throws'
)
t.end()
})
test('test callback-less, 1-arg, approximateSize() throws', function (t) {
t.throws(
db.approximateSize.bind(db, 'foo')
, { name: 'Error', message: 'approximateSize() requires valid `start`, `end` and `callback` arguments' }
, 'callback-less, 1-arg approximateSize() throws'
)
t.end()
})
test('test callback-less, 2-arg, approximateSize() throws', function (t) {
t.throws(
db.approximateSize.bind(db, 'foo', 'bar')
, { name: 'Error', message: 'approximateSize() requires a callback argument' }
, 'callback-less, 2-arg approximateSize() throws'
)
t.end()
})
test('test callback-less, 3-arg, approximateSize() throws', function (t) {
t.throws(
db.approximateSize.bind(db, function () {})
, { name: 'Error', message: 'approximateSize() requires valid `start`, `end` and `callback` arguments' }
, 'callback-only approximateSize() throws'
)
t.end()
})
test('test callback-only approximateSize() throws', function (t) {
t.throws(
db.approximateSize.bind(db, function () {})
, { name: 'Error', message: 'approximateSize() requires valid `start`, `end` and `callback` arguments' }
, 'callback-only approximateSize() throws'
)
t.end()
})
test('test 1-arg + callback approximateSize() throws', function (t) {
t.throws(
db.approximateSize.bind(db, 'foo', function () {})
, { name: 'Error', message: 'approximateSize() requires valid `start`, `end` and `callback` arguments' }
, '1-arg + callback approximateSize() throws'
)
t.end()
})
}
module.exports.approximateSize = function (test) {
test('test approximateSize()', function (t) {
var data = Array.apply(null, Array(10000)).map(function () {
return 'aaaaaaaaaa'
}).join('')
db.batch(
Array.apply(null, Array(10)).map(function (x, i) {
return { type: 'put', key: 'foo' + i, value: data }
})
, function (err) {
t.notOk(err, 'no error')
// cycle open/close to ensure a pack to .sst
db.close(function (err) {
t.notOk(err, 'no error')
db.open(function (err) {
t.notOk(err, 'no error')
db.approximateSize('!', '~', function (err, size) {
t.notOk(err, 'no error')
t.type(size, 'number')
t.ok(
size > 40000 // account for snappy compression
// original would be ~100000
, 'size reports a reasonable amount (' + size + ')'
)
db.close(function (err) {
t.notOk(err, 'no error')
t.end()
})
})
})
})
}
)
})
}
module.exports.tearDown = function (test, testCommon) {
test('tearDown', function (t) {
db.close(testCommon.tearDown.bind(null, t))
})
}
module.exports.all = function (leveldown, test, testCommon) {
module.exports.setUp(leveldown, test, testCommon)
module.exports.args(test)
module.exports.approximateSize(test)
module.exports.tearDown(test, testCommon)
}