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move tests to tests folder
rename util modules rename DbUpload to DbUploader add tests for DbUploader component #27
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lana-k
216
tests/database.spec.js
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216
tests/database.spec.js
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import chai from 'chai'
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import sinon from 'sinon'
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import chaiAsPromised from 'chai-as-promised'
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import initSqlJs from 'sql.js'
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import database from '@/database.js'
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chai.use(chaiAsPromised)
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const expect = chai.expect
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chai.should()
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const getSQL = initSqlJs()
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let db
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describe('database.js', () => {
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beforeEach(() => {
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db = database.getNewDatabase()
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})
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afterEach(() => {
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db.shutDown()
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sinon.restore()
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})
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it('creates schema', async () => {
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const SQL = await getSQL
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const tempDb = new SQL.Database()
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tempDb.run(`CREATE TABLE test (
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col1,
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col2 integer,
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col3 decimal(5,2),
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col4 varchar(30)
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)`)
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const data = tempDb.export()
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const buffer = new Blob([data])
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const { schema } = await db.loadDb(buffer)
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expect(schema).to.have.lengthOf(1)
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expect(schema[0].name).to.equal('test')
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expect(schema[0].columns[0].name).to.equal('col1')
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expect(schema[0].columns[0].type).to.equal('N/A')
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expect(schema[0].columns[1].name).to.equal('col2')
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expect(schema[0].columns[1].type).to.equal('integer')
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expect(schema[0].columns[2].name).to.equal('col3')
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expect(schema[0].columns[2].type).to.equal('decimal(5, 2)')
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expect(schema[0].columns[3].name).to.equal('col4')
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expect(schema[0].columns[3].type).to.equal('varchar(30)')
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})
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it('creates schema with virtual table', async () => {
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const SQL = await getSQL
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const tempDb = new SQL.Database()
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tempDb.run(`
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CREATE VIRTUAL TABLE test_virtual USING fts4(
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col1, col2,
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notindexed=col1, notindexed=col2,
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tokenize=unicode61 "tokenchars=.+#")
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`)
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const data = tempDb.export()
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const buffer = new Blob([data])
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const { schema } = await db.loadDb(buffer)
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expect(schema[0].name).to.equal('test_virtual')
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expect(schema[0].columns[0].name).to.equal('col1')
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expect(schema[0].columns[0].type).to.equal('N/A')
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expect(schema[0].columns[1].name).to.equal('col2')
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expect(schema[0].columns[1].type).to.equal('N/A')
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})
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it('loadDb throws errors', async () => {
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const SQL = await getSQL
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const tempDb = new SQL.Database()
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tempDb.run('CREATE TABLE test (col1, col2)')
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const data = tempDb.export()
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const buffer = new Blob([data])
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sinon.stub(db.pw, 'postMessage').resolves({ error: new Error('foo') })
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await expect(db.loadDb(buffer)).to.be.rejectedWith('foo')
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})
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it('returns a query result', async () => {
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const SQL = await getSQL
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const tempDb = new SQL.Database()
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tempDb.run(`
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CREATE TABLE test (
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id integer,
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name varchar(100),
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faculty varchar(100)
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);
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INSERT INTO test (id, name, faculty)
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VALUES
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( 1, 'Harry Potter', 'Griffindor'),
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( 2, 'Draco Malfoy', 'Slytherin');
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`)
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const data = tempDb.export()
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const buffer = new Blob([data])
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await db.loadDb(buffer)
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const result = await db.execute('SELECT * from test')
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expect(result.columns).to.have.lengthOf(3)
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expect(result.columns[0]).to.equal('id')
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expect(result.columns[1]).to.equal('name')
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expect(result.columns[2]).to.equal('faculty')
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expect(result.values).to.have.lengthOf(2)
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expect(result.values[0][0]).to.equal(1)
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expect(result.values[0][1]).to.equal('Harry Potter')
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expect(result.values[0][2]).to.equal('Griffindor')
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expect(result.values[1][0]).to.equal(2)
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expect(result.values[1][1]).to.equal('Draco Malfoy')
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expect(result.values[1][2]).to.equal('Slytherin')
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})
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it('returns an error', async () => {
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const SQL = await getSQL
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const tempDb = new SQL.Database()
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tempDb.run(`
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CREATE TABLE test (
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id integer,
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name varchar(100),
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faculty varchar(100)
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);
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INSERT INTO test (id, name, faculty)
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VALUES
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( 1, 'Harry Potter', 'Griffindor'),
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( 2, 'Draco Malfoy', 'Slytherin');
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`)
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const data = tempDb.export()
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const buffer = new Blob([data])
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await db.loadDb(buffer)
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await expect(db.execute('SELECT * from foo')).to.be.rejectedWith(/^no such table: foo$/)
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})
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it('creates db', async () => {
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const data = {
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columns: ['id', 'name', 'faculty'],
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values: [
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[1, 'Harry Potter', 'Griffindor'],
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[2, 'Draco Malfoy', 'Slytherin']
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]
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}
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const progressHandler = sinon.spy()
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const progressCounterId = db.createProgressCounter(progressHandler)
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const { dbName, schema } = await db.createDb('foo', data, progressCounterId)
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expect(dbName).to.equal('foo')
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expect(schema).to.have.lengthOf(1)
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expect(schema[0].name).to.equal('csv_import')
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expect(schema[0].columns).to.have.lengthOf(3)
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expect(schema[0].columns[0].name).to.equal('id')
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expect(schema[0].columns[0].type).to.equal('real')
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expect(schema[0].columns[1].name).to.equal('name')
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expect(schema[0].columns[1].type).to.equal('text')
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expect(schema[0].columns[2].name).to.equal('faculty')
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expect(schema[0].columns[2].type).to.equal('text')
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const result = await db.execute('SELECT * from csv_import')
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expect(result.columns).to.eql(data.columns)
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expect(result.values).to.eql(data.values)
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expect(progressHandler.calledTwice).to.equal(true)
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expect(progressHandler.firstCall.calledWith(0)).to.equal(true)
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expect(progressHandler.secondCall.calledWith(100)).to.equal(true)
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})
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it('createDb throws errors', async () => {
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const data = {
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columns: ['id', 'name'],
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values: [
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[1, 'Harry Potter', 'Griffindor'],
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[2, 'Draco Malfoy', 'Slytherin']
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]
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}
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const progressHandler = sinon.stub()
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const progressCounterId = db.createProgressCounter(progressHandler)
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await expect(db.createDb('foo', data, progressCounterId))
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.to.be.rejectedWith('column index out of range')
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})
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it('progressCounters', () => {
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const firstHandler = sinon.stub()
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const firstId = db.createProgressCounter(firstHandler)
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db.worker.dispatchEvent(new MessageEvent('message', {
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data: {
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progress: 50,
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id: firstId
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}
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}))
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expect(firstHandler.calledOnceWith(50)).to.equal(true)
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const secondHandler = sinon.stub()
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const secondId = db.createProgressCounter(secondHandler)
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db.worker.dispatchEvent(new MessageEvent('message', {
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data: {
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progress: 70,
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id: secondId
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}
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}))
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expect(firstId).to.not.equals(secondId)
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expect(secondHandler.calledOnceWith(70)).to.equal(true)
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db.worker.dispatchEvent(new MessageEvent('message', {
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data: {
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progress: 80,
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id: firstId
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}
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}))
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expect(firstHandler.calledTwice).to.equal(true)
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expect(firstHandler.secondCall.calledWith(80)).to.equal(true)
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db.deleteProgressCounter(firstId)
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expect(db.importProgresses[firstId]).to.equal(undefined)
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})
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})
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