mirror of
https://github.com/lana-k/sqliteviz.git
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114 lines
3.5 KiB
JavaScript
114 lines
3.5 KiB
JavaScript
import chai from 'chai'
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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 db = database.getNewDatabase()
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const getSQL = initSqlJs()
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describe('database.js', () => {
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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('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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})
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