/* global Y */
/* eslint-env browser,jasmine */

if (typeof window !== 'undefined' && false) {
  describe('IndexedDB', function () {
    var ob
    beforeAll(function () {
      ob = new Y.IndexedDB(null, {namespace: 'Test', gcTimeout: -1})
    })

    it('can add and get operation', function (done) {
      ob.requestTransaction(function *() {
        var op = yield* this.setOperation({
          'id': ['1', 0],
          'stuff': true
        })
        expect(yield* this.getOperation(['1', 0]))
          .toEqual(op)
        done()
      })
    })

    it('can remove operation', function (done) {
      ob.requestTransaction(function *() {
        var op = yield* this.setOperation({
          'id': ['1', 0],
          'stuff': true
        })
        expect(yield* this.getOperation(['1', 0]))
          .toEqual(op)
        yield* this.removeOperation(['1', 0])
        expect(yield* this.getOperation(['1', 0]))
          .toBeUndefined()
        done()
      })
    })

    it('getOperation(op) returns undefined if op does not exist', function (done) {
      ob.requestTransaction(function *() {
        var op = yield* this.getOperation("plzDon'tBeThere")
        expect(op).toBeUndefined()
        done()
      })
    })

    it('yield throws if request is unknown', function (done) {
      ob.requestTransaction(function *() {
        try {
          yield* this.setOperation()
        } catch (e) {
          expect(true).toEqual(true)
          done()
          return
        }
        expect('Expected an Error!').toEqual(true)
        done()
      })
    })

    it('sets and gets stateVector', function (done) {
      ob.requestTransaction(function *() {
        var s1 = {user: '1', clock: 1}
        var s2 = {user: '2', clock: 3}
        yield* this.setState(s1)
        yield* this.setState(s2)
        var sv = yield* this.getStateVector()
        expect(sv).not.toBeUndefined()
        expect(sv).toEqual([s1, s2])
        done()
      })
    })

    it('gets stateSet', function (done) {
      ob.requestTransaction(function *() {
        var s1 = {user: '1', clock: 1}
        var s2 = {user: '2', clock: 3}
        yield* this.setState(s1)
        yield* this.setState(s2)
        var sv = yield* this.getStateSet()
        expect(sv).not.toBeUndefined()
        expect(sv).toEqual({
          '1': 1,
          '2': 3
        })
        done()
      })
    })

    it('getOperations returns operations (no parameters)', function (done) {
      ob.requestTransaction(function *() {
        var s1 = {user: '1', clock: 55}
        yield* this.setState(s1)
        var op1 = yield* this.setOperation({
          'id': ['1', 0],
          'stuff': true
        })
        var op2 = yield* this.setOperation({
          'id': ['1', 3],
          'stuff': true
        })
        var ops = yield* this.getOperations()
        expect(ops.length).toBeGreaterThan(1)
        expect(ops[0]).toEqual(op1)
        expect(ops[1]).toEqual(op2)
        done()
      })
    })
    afterAll(function (done) {
      ob.requestTransaction(function *() {
        yield* ob.removeDatabase()
        ob = null
        done()
      })
    })
  })
}