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324 lines (266 loc) · 9.47 KB
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'use strict'
var concat = require('level-concat-iterator')
module.exports = function (leveljs, test, testCommon) {
test('setUp', testCommon.setUp)
test('default prefix', function (t) {
var db = testCommon.factory()
t.ok(db.location, 'instance has location property')
t.is(db.prefix, 'level-js-', 'instance has prefix property')
db.open(function (err) {
t.notOk(err, 'no open error')
var idb = db.db
var databaseName = idb.name
var storeNames = idb.objectStoreNames
t.is(databaseName, 'level-js-' + db.location, 'database name is prefixed')
t.is(storeNames.length, 1, 'created 1 object store')
t.is(storeNames.item(0), db.location, 'object store name equals location')
db.close(t.end.bind(t))
})
})
test('custom prefix', function (t) {
var db = testCommon.factory({ prefix: 'custom-' })
t.ok(db.location, 'instance has location property')
t.is(db.prefix, 'custom-', 'instance has prefix property')
db.open(function (err) {
t.notOk(err, 'no open error')
var idb = db.db
var databaseName = idb.name
var storeNames = idb.objectStoreNames
t.is(databaseName, 'custom-' + db.location, 'database name is prefixed')
t.is(storeNames.length, 1, 'created 1 object store')
t.is(storeNames.item(0), db.location, 'object store name equals location')
db.close(t.end.bind(t))
})
})
test('put Buffer value, get Buffer value', function (t) {
var level = testCommon.factory()
level.open(function (err) {
t.notOk(err, 'no error')
level.put('key', Buffer.from('00ff', 'hex'), function (err) {
t.notOk(err, 'no error')
level.get('key', function (err, value) {
t.notOk(err, 'no error')
t.ok(Buffer.isBuffer(value), 'is buffer')
t.same(value, Buffer.from('00ff', 'hex'))
level.close(t.end.bind(t))
})
})
})
})
test('put Buffer value, get string value', function (t) {
var level = testCommon.factory()
level.open(function (err) {
t.notOk(err, 'no error')
level.put('key', Buffer.from('abc'), function (err) {
t.notOk(err, 'no error')
level.get('key', { asBuffer: false }, function (err, value) {
t.notOk(err, 'no error')
t.is(value, 'abc')
level.close(t.end.bind(t))
})
})
})
})
test('put utf8 string, get utf8 string', function (t) {
var level = testCommon.factory()
level.open(function (err) {
t.notOk(err, 'no error')
level.put('💩', '💩', function (err) {
t.notOk(err, 'no error')
level.get('💩', { asBuffer: false }, function (err, value) {
t.notOk(err, 'no error')
t.is(value, '💩')
level.close(t.end.bind(t))
})
})
})
})
// This should be covered by abstract-leveldown tests, but that's
// prevented by process.browser checks (Level/abstract-leveldown#121).
// This test is adapted from memdown.
test('buffer keys', function (t) {
var db = testCommon.factory()
if (!db.supports.bufferKeys) {
t.pass('environment does not support buffer keys')
return t.end()
}
db.open(function (err) {
t.ifError(err, 'no open error')
var one = Buffer.from('80', 'hex')
var two = Buffer.from('c0', 'hex')
t.ok(two.toString() === one.toString(), 'would be equal when not buffer-aware')
t.ok(Buffer.compare(two, one) > 0, 'but greater when buffer-aware')
db.put(one, 'one', function (err) {
t.notOk(err, 'no error')
db.get(one, { asBuffer: false }, function (err, value) {
t.notOk(err, 'no error')
t.equal(value, 'one', 'value one ok')
db.put(two, 'two', function (err) {
t.notOk(err, 'no error')
db.get(one, { asBuffer: false }, function (err, value) {
t.notOk(err, 'no error')
t.equal(value, 'one', 'value one is the same')
db.close(function (err) {
t.ifError(err, 'no close error')
t.end()
})
})
})
})
})
})
})
// This should be covered by abstract-leveldown tests, but that's
// prevented by process.browser checks (Level/abstract-leveldown#121).
test('iterator yields buffer keys', function (t) {
var db = testCommon.factory()
if (!db.supports.bufferKeys) {
t.pass('environment does not support buffer keys')
return t.end()
}
db.open(function (err) {
t.ifError(err, 'no open error')
db.batch([
{ type: 'put', key: Buffer.from([0]), value: '0' },
{ type: 'put', key: Buffer.from([1]), value: '1' }
], function (err) {
t.ifError(err, 'no batch error')
var it = db.iterator({ valueAsBuffer: false })
concat(it, function (err, entries) {
t.ifError(err, 'no iterator error')
t.same(entries, [
{ key: Buffer.from([0]), value: '0' },
{ key: Buffer.from([1]), value: '1' }
], 'keys are Buffers')
db.close(function (err) {
t.ifError(err, 'no close error')
t.end()
})
})
})
})
})
test('buffer range option', function (t) {
var db = testCommon.factory()
if (!db.supports.bufferKeys) {
t.pass('environment does not support buffer keys')
return t.end()
}
db.open(function (err) {
t.ifError(err, 'no open error')
var one = Buffer.from('80', 'hex')
var two = Buffer.from('c0', 'hex')
db.batch([
{ type: 'put', key: one, value: one },
{ type: 'put', key: two, value: two }
], function (err) {
t.ifError(err, 'no batch error')
concat(db.iterator({ gt: one }), function (err, entries) {
t.ifError(err, 'no iterator error')
t.same(entries, [{ key: two, value: two }])
db.close(function (err) {
t.ifError(err, 'no close error')
t.end()
})
})
})
})
})
// Adapted from a memdown test.
test('iterator stringifies buffer input', function (t) {
t.plan(6)
var db = testCommon.factory()
db.open(function (err) {
t.ifError(err, 'no open error')
db.put(1, 2, function (err) {
t.ifError(err, 'no put error')
concat(db.iterator(), function (err, entries) {
t.ifError(err, 'no iterator error')
t.same(entries[0].key, Buffer.from('1'), 'key is stringified')
t.same(entries[0].value, Buffer.from('2'), 'value is stringified')
db.close(function (err) {
t.ifError(err, 'no close error')
})
})
})
})
})
// NOTE: in chrome (at least) indexeddb gets buggy if you try and destroy a db,
// then create it again, then try and destroy it again. these avoid doing that
test('test .destroy', function (t) {
var db = testCommon.factory()
var location = db.location
db.open(function (err) {
t.notOk(err, 'no error')
db.put('key', 'value', function (err) {
t.notOk(err, 'no error')
db.get('key', { asBuffer: false }, function (err, value) {
t.notOk(err, 'no error')
t.equal(value, 'value', 'should have value')
db.close(function (err) {
t.notOk(err, 'no error')
leveljs.destroy(location, function (err) {
t.notOk(err, 'no error')
var db2 = leveljs(location)
db2.open(function (err) {
t.notOk(err, 'no error')
db2.get('key', { asBuffer: false }, function (err, value) {
t.is(err.message, 'NotFound', 'key is not there')
db2.close(t.end.bind(t))
})
})
})
})
})
})
})
})
test('test .destroy and custom prefix', function (t) {
var prefix = 'custom-'
var db = testCommon.factory({ prefix: prefix })
var location = db.location
db.open(function (err) {
t.notOk(err, 'no error')
db.put('key', 'value', function (err) {
t.notOk(err, 'no error')
db.get('key', { asBuffer: false }, function (err, value) {
t.notOk(err, 'no error')
t.equal(value, 'value', 'should have value')
db.close(function (err) {
t.notOk(err, 'no error')
leveljs.destroy(location, prefix, function (err) {
t.notOk(err, 'no error')
var db2 = leveljs(location, { prefix: prefix })
db2.open(function (err) {
t.notOk(err, 'no error')
db2.get('key', { asBuffer: false }, function (err, value) {
t.is(err.message, 'NotFound', 'key is not there')
db2.close(t.end.bind(t))
})
})
})
})
})
})
})
})
// TODO: move to abstract-leveldown test suite (and add to iterator tests too)
test('clear() with lower key greater than upper key', function (t) {
var db = testCommon.factory()
db.open(function (err) {
t.ifError(err, 'no open error')
db.put('a', 'a', function (err) {
t.ifError(err, 'no put error')
db.clear({ gt: 'b', lt: 'a' }, function (err) {
t.ifError(err, 'no clear error')
db.get('a', { asBuffer: false }, function (err, value) {
t.ifError(err, 'no get error')
t.is(value, 'a')
db.close(t.end.bind(t))
})
})
})
})
})
test('teardown', testCommon.tearDown)
}