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var concat = require('level-concat-iterator')
var db
exports.setUp = function (test, testCommon) {
test('setUp common', testCommon.setUp)
test('setUp db', function (t) {
db = testCommon.factory()
db.open(t.end.bind(t))
})
}
exports.args = function (test, testCommon) {
test('test argument-less clear() throws', function (t) {
t.throws(
db.clear.bind(db),
/Error: clear\(\) requires a callback argument/,
'no-arg clear() throws'
)
t.end()
})
}
exports.clear = function (test, testCommon) {
makeTest('string', ['a', 'b'])
if (testCommon.bufferKeys) {
makeTest('buffer', [Buffer.from('a'), Buffer.from('b')])
makeTest('mixed', [Buffer.from('a'), 'b'])
// These keys would be equal when compared as utf8 strings
makeTest('non-utf8 buffer', [Buffer.from('80', 'hex'), Buffer.from('c0', 'hex')])
}
function makeTest (type, keys) {
test('test simple clear() on ' + type + ' keys', function (t) {
t.plan(8)
var db = testCommon.factory()
var ops = keys.map(function (key) {
return { type: 'put', key: key, value: 'foo' }
})
db.open(function (err) {
t.ifError(err, 'no open error')
db.batch(ops, function (err) {
t.ifError(err, 'no batch error')
concat(db.iterator(), function (err, entries) {
t.ifError(err, 'no concat error')
t.is(entries.length, keys.length, 'has entries')
db.clear(function (err) {
t.ifError(err, 'no clear error')
concat(db.iterator(), function (err, entries) {
t.ifError(err, 'no concat error')
t.is(entries.length, 0, 'has no entries')
db.close(function (err) {
t.ifError(err, 'no close error')
})
})
})
})
})
})
})
}
}
exports.tearDown = function (test, testCommon) {
test('tearDown', function (t) {
db.close(testCommon.tearDown.bind(null, t))
})
}
exports.all = function (test, testCommon) {
exports.setUp(test, testCommon)
exports.args(test, testCommon)
exports.clear(test, testCommon)
exports.tearDown(test, testCommon)
}