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Merged
merged 4 commits into from
Nov 2, 2021
Merged

Improve Aura examples #801

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a2115fc
Improve Aura examples
bigmontz Oct 28, 2021
ac18ab8
Add reject promise to the log
bigmontz Oct 28, 2021
a37b8c4
test
bigmontz Oct 28, 2021
043f536
returning k
bigmontz Oct 28, 2021
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27 changes: 19 additions & 8 deletions packages/neo4j-driver/test/examples.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ describe('#integration examples', () => {
let consoleOverride
let consoleOverridePromise
let consoleOverridePromiseResolve
let consoleOverridePromiseReject

const user = sharedNeo4j.username
const password = sharedNeo4j.password
Expand All @@ -53,8 +54,12 @@ describe('#integration examples', () => {
beforeEach(async () => {
consoleOverridePromise = new Promise((resolve, reject) => {
consoleOverridePromiseResolve = resolve
consoleOverridePromiseReject = reject
})
consoleOverride = { log: msg => consoleOverridePromiseResolve(msg) }
consoleOverride = {
log: msg => consoleOverridePromiseResolve(msg),
error: msg => consoleOverridePromiseReject(msg)
}

protocolVersion = await sharedNeo4j.cleanupAndGetProtocolVersion(
driverGlobal
Expand Down Expand Up @@ -416,29 +421,35 @@ describe('#integration examples', () => {
// end::driver-introduction-example-variables[]

// tag::driver-introduction-example[]
const driver = neo4j.driver(uri, neo4j.auth.basic(user, password))
const driver = neo4j.driver(uri, neo4j.auth.basic(user, password), {
// Enabling driver logging info into the console.
// Supported levels: 'error', 'warn', 'info' and 'debug'
logging: neo4j.logging.console('info')
})
const session = driver.session()

const person1Name = 'Alice'
const person2Name = 'David'
const knowsFrom = 'School'

try {
// To learn more about the Cypher syntax, see https://neo4j.com/docs/cypher-manual/current/
// The Reference Card is also a good resource for keywords https://neo4j.com/docs/cypher-refcard/current/
const writeQuery = `MERGE (p1:Person { name: $person1Name })
MERGE (p2:Person { name: $person2Name })
MERGE (p1)-[:KNOWS]->(p2)
RETURN p1, p2`
MERGE (p1)-[k:KNOWS { from: $knowsFrom }]->(p2)
RETURN p1, p2, k`

// Write transactions allow the driver to handle retries and transient errors
const writeResult = await session.writeTransaction(tx =>
tx.run(writeQuery, { person1Name, person2Name })
tx.run(writeQuery, { person1Name, person2Name, knowsFrom })
)
writeResult.records.forEach(record => {
const person1Node = record.get('p1')
const person2Node = record.get('p2')
const knowsRel = record.get('k')
console.log(
`Created friendship between: ${person1Node.properties.name}, ${person2Node.properties.name}`
`Created friendship between: ${person1Node.properties.name}, ${person2Node.properties.name} from ${knowsRel.properties.from}`
)
})

Expand All @@ -452,7 +463,7 @@ describe('#integration examples', () => {
console.log(`Found person: ${record.get('name')}`)
})
} catch (error) {
console.error('Something went wrong: ', error)
console.error(error)
} finally {
await session.close()
}
Expand All @@ -462,7 +473,7 @@ describe('#integration examples', () => {
// end::driver-introduction-example[]

expect(await consoleLoggedMsg).toEqual(
`Created friendship between: ${person1Name}, ${person2Name}`
`Created friendship between: ${person1Name}, ${person2Name} from ${knowsFrom}`
)
}, 60000)

Expand Down