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PostgresNIOTests.swift
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import Logging
@testable import PostgresNIO
import XCTest
import NIOCore
import NIOPosix
import NIOTestUtils
import NIOSSL
final class PostgresNIOTests: XCTestCase {
private var group: EventLoopGroup!
private var eventLoop: EventLoop { self.group.next() }
override class func setUp() {
XCTAssertTrue(isLoggingConfigured)
}
override func setUpWithError() throws {
try super.setUpWithError()
self.group = MultiThreadedEventLoopGroup(numberOfThreads: 1)
}
override func tearDownWithError() throws {
try self.group?.syncShutdownGracefully()
self.group = nil
try super.tearDownWithError()
}
// MARK: Tests
func testConnectAndClose() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
XCTAssertNoThrow(try conn?.close().wait())
}
func testConnectUDSAndClose() throws {
try XCTSkipUnless(env("POSTGRES_SOCKET") != nil)
let conn = try PostgresConnection.testUDS(on: eventLoop).wait()
try conn.close().wait()
}
func testConnectEstablishedChannelAndClose() throws {
let channel = try ClientBootstrap(group: self.group).connect(to: PostgresConnection.address()).wait()
let conn = try PostgresConnection.testChannel(channel, on: self.eventLoop).wait()
try conn.close().wait()
}
func testSimpleQueryVersion() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery("SELECT version()").wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(try rows?.first?.decode(String.self, context: .default).contains("PostgreSQL"), true)
}
func testSimpleQueryWithAdditionalParameters() throws {
var conn: PostgresConnection?
let applicationName = "postgres-nio-test"
var options = PostgresConnection.Configuration.Options()
options.additionalStartupParameters = [
("application_name", applicationName)
]
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop, options: options).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery("SELECT current_setting('application_name')").wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(try rows?.first?.decode(String.self, context: .default), applicationName)
}
func testSimpleQueryVersionUsingUDS() throws {
try XCTSkipUnless(env("POSTGRES_SOCKET") != nil)
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.testUDS(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery("SELECT version()").wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(try rows?.first?.decode(String.self, context: .default).contains("PostgreSQL"), true)
}
func testSimpleQueryVersionUsingEstablishedChannel() throws {
let channel = try ClientBootstrap(group: self.group).connect(to: PostgresConnection.address()).wait()
let conn = try PostgresConnection.testChannel(channel, on: self.eventLoop).wait()
defer { XCTAssertNoThrow(try conn.close().wait()) }
let rows = try conn.simpleQuery("SELECT version()").wait()
XCTAssertEqual(rows.count, 1)
XCTAssertEqual(try rows.first?.decode(String.self, context: .default).contains("PostgreSQL"), true)
}
func testQueryVersion() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("SELECT version()", .init()).wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(try rows?.first?.decode(String.self, context: .default).contains("PostgreSQL"), true)
}
func testQuerySelectParameter() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("SELECT $1::TEXT as foo", ["hello"]).wait())
XCTAssertEqual(rows?.count, 1)
XCTAssertEqual(try rows?.first?.decode(String.self, context: .default), "hello")
}
func testSQLError() throws {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertThrowsError(_ = try conn?.simpleQuery("SELECT &").wait()) { error in
XCTAssertEqual((error as? PostgresError)?.code, .syntaxError)
}
}
func testNotificationsEmptyPayload() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications: [PostgresMessage.NotificationResponse] = []
conn?.addListener(channel: "example") { context, notification in
receivedNotifications.append(notification)
}
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
// Notifications are asynchronous, so we should run at least one more query to make sure we'll have received the notification response by then
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications.count, 1)
XCTAssertEqual(receivedNotifications.first?.channel, "example")
XCTAssertEqual(receivedNotifications.first?.payload, "")
}
func testNotificationsNonEmptyPayload() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications: [PostgresMessage.NotificationResponse] = []
conn?.addListener(channel: "example") { context, notification in
receivedNotifications.append(notification)
}
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example, 'Notification payload example'").wait())
// Notifications are asynchronous, so we should run at least one more query to make sure we'll have received the notification response by then
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications.count, 1)
XCTAssertEqual(receivedNotifications.first?.channel, "example")
XCTAssertEqual(receivedNotifications.first?.payload, "Notification payload example")
}
func testNotificationsRemoveHandlerWithinHandler() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications = 0
conn?.addListener(channel: "example") { context, notification in
receivedNotifications += 1
context.stop()
}
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications, 1)
}
func testNotificationsRemoveHandlerOutsideHandler() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications = 0
let context = conn?.addListener(channel: "example") { context, notification in
receivedNotifications += 1
}
XCTAssertNotNil(context)
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
context?.stop()
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications, 1)
}
func testNotificationsMultipleRegisteredHandlers() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications1 = 0
conn?.addListener(channel: "example") { context, notification in
receivedNotifications1 += 1
}
var receivedNotifications2 = 0
conn?.addListener(channel: "example") { context, notification in
receivedNotifications2 += 1
}
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications1, 1)
XCTAssertEqual(receivedNotifications2, 1)
}
func testNotificationsMultipleRegisteredHandlersRemoval() throws {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var receivedNotifications1 = 0
XCTAssertNotNil(conn?.addListener(channel: "example") { context, notification in
receivedNotifications1 += 1
context.stop()
})
var receivedNotifications2 = 0
XCTAssertNotNil(conn?.addListener(channel: "example") { context, notification in
receivedNotifications2 += 1
})
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY example").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
XCTAssertEqual(receivedNotifications1, 1)
XCTAssertEqual(receivedNotifications2, 2)
}
func testNotificationHandlerFiltersOnChannel() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertNotNil(conn?.addListener(channel: "desired") { context, notification in
XCTFail("Received notification on channel that handler was not registered for")
})
XCTAssertNoThrow(_ = try conn?.simpleQuery("LISTEN undesired").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("NOTIFY undesired").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("SELECT 1").wait())
}
func testSelectTypes() throws {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var results: [PostgresRow]?
XCTAssertNoThrow(results = try conn?.simpleQuery("SELECT * FROM pg_type").wait())
XCTAssert((results?.count ?? 0) > 350, "Results count not large enough")
}
func testSelectType() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var results: [PostgresRow]?
XCTAssertNoThrow(results = try conn?.simpleQuery("SELECT * FROM pg_type WHERE typname = 'float8'").wait())
// [
// "typreceive": "float8recv",
// "typelem": "0",
// "typarray": "1022",
// "typalign": "d",
// "typanalyze": "-",
// "typtypmod": "-1",
// "typname": "float8",
// "typnamespace": "11",
// "typdefault": "<null>",
// "typdefaultbin": "<null>",
// "typcollation": "0",
// "typispreferred": "t",
// "typrelid": "0",
// "typbyval": "t",
// "typnotnull": "f",
// "typinput": "float8in",
// "typlen": "8",
// "typcategory": "N",
// "typowner": "10",
// "typtype": "b",
// "typdelim": ",",
// "typndims": "0",
// "typbasetype": "0",
// "typacl": "<null>",
// "typisdefined": "t",
// "typmodout": "-",
// "typmodin": "-",
// "typsend": "float8send",
// "typstorage": "p",
// "typoutput": "float8out"
// ]
XCTAssertEqual(results?.count, 1)
let row = results?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "typname"].string, "float8")
XCTAssertEqual(row?[data: "typnamespace"].int, 11)
XCTAssertEqual(row?[data: "typowner"].int, 10)
XCTAssertEqual(row?[data: "typlen"].int, 8)
}
func testIntegers() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
struct Integers: Decodable {
let smallint: Int16
let smallint_min: Int16
let smallint_max: Int16
let int: Int32
let int_min: Int32
let int_max: Int32
let bigint: Int64
let bigint_min: Int64
let bigint_max: Int64
}
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("""
SELECT
1::SMALLINT as smallint,
-32767::SMALLINT as smallint_min,
32767::SMALLINT as smallint_max,
1::INT as int,
-2147483647::INT as int_min,
2147483647::INT as int_max,
1::BIGINT as bigint,
-9223372036854775807::BIGINT as bigint_min,
9223372036854775807::BIGINT as bigint_max
""").wait())
XCTAssertEqual(results?.count, 1)
let row = results?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "smallint"].int16, 1)
XCTAssertEqual(row?[data: "smallint_min"].int16, -32_767)
XCTAssertEqual(row?[data: "smallint_max"].int16, 32_767)
XCTAssertEqual(row?[data: "int"].int32, 1)
XCTAssertEqual(row?[data: "int_min"].int32, -2_147_483_647)
XCTAssertEqual(row?[data: "int_max"].int32, 2_147_483_647)
XCTAssertEqual(row?[data: "bigint"].int64, 1)
XCTAssertEqual(row?[data: "bigint_min"].int64, -9_223_372_036_854_775_807)
XCTAssertEqual(row?[data: "bigint_max"].int64, 9_223_372_036_854_775_807)
}
func testPi() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
struct Pi: Decodable {
let text: String
let numeric_string: String
let numeric_decimal: Decimal
let double: Double
let float: Float
}
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("""
SELECT
pi()::TEXT as text,
pi()::NUMERIC as numeric_string,
pi()::NUMERIC as numeric_decimal,
pi()::FLOAT8 as double,
pi()::FLOAT4 as float
""").wait())
XCTAssertEqual(results?.count, 1)
let row = results?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "text"].string?.hasPrefix("3.14159265"), true)
XCTAssertEqual(row?[data: "numeric_string"].string?.hasPrefix("3.14159265"), true)
XCTAssertTrue(row?[data: "numeric_decimal"].decimal?.isLess(than: 3.14159265358980) ?? false)
XCTAssertFalse(row?[data: "numeric_decimal"].decimal?.isLess(than: 3.14159265358978) ?? true)
XCTAssertTrue(row?[data: "double"].double?.description.hasPrefix("3.141592") ?? false)
XCTAssertTrue(row?[data: "float"].float?.description.hasPrefix("3.141592") ?? false)
}
func testUUID() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
struct Model: Decodable {
let id: UUID
let string: String
}
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("""
SELECT
'123e4567-e89b-12d3-a456-426655440000'::UUID as id,
'123e4567-e89b-12d3-a456-426655440000'::UUID as string
""").wait())
XCTAssertEqual(results?.count, 1)
let row = results?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "id"].uuid, UUID(uuidString: "123E4567-E89B-12D3-A456-426655440000"))
XCTAssertEqual(UUID(uuidString: row?[data: "id"].string ?? ""), UUID(uuidString: "123E4567-E89B-12D3-A456-426655440000"))
}
func testInt4Range() async throws {
let conn: PostgresConnection = try await PostgresConnection.test(on: eventLoop).get()
self.addTeardownBlock {
try await conn.close()
}
struct Model: Decodable {
let range: Range<Int32>
}
let results1: PostgresQueryResult = try await conn.query("""
SELECT
'[\(Int32.min), \(Int32.max))'::int4range AS range
""").get()
XCTAssertEqual(results1.count, 1)
var row = results1.first?.makeRandomAccess()
let expectedRange: Range<Int32> = Int32.min..<Int32.max
let decodedRange = try row?.decode(column: "range", as: Range<Int32>.self, context: .default)
XCTAssertEqual(decodedRange, expectedRange)
let results2 = try await conn.query("""
SELECT
ARRAY[
'[0, 1)'::int4range,
'[10, 11)'::int4range
] AS ranges
""").get()
XCTAssertEqual(results2.count, 1)
row = results2.first?.makeRandomAccess()
let decodedRangeArray = try row?.decode(column: "ranges", as: [Range<Int32>].self, context: .default)
let decodedClosedRangeArray = try row?.decode(column: "ranges", as: [ClosedRange<Int32>].self, context: .default)
XCTAssertEqual(decodedRangeArray, [0..<1, 10..<11])
XCTAssertEqual(decodedClosedRangeArray, [0...0, 10...10])
}
func testEmptyInt4Range() async throws {
let conn: PostgresConnection = try await PostgresConnection.test(on: eventLoop).get()
self.addTeardownBlock {
try await conn.close()
}
struct Model: Decodable {
let range: Range<Int32>
}
let randomValue = Int32.random(in: Int32.min...Int32.max)
let results: PostgresQueryResult = try await conn.query("""
SELECT
'[\(randomValue),\(randomValue))'::int4range AS range
""").get()
XCTAssertEqual(results.count, 1)
let row = results.first?.makeRandomAccess()
let expectedRange: Range<Int32> = Int32.valueForEmptyRange..<Int32.valueForEmptyRange
let decodedRange = try row?.decode(column: "range", as: Range<Int32>.self, context: .default)
XCTAssertEqual(decodedRange, expectedRange)
XCTAssertThrowsError(
try row?.decode(column: "range", as: ClosedRange<Int32>.self, context: .default)
)
}
func testInt8Range() async throws {
let conn: PostgresConnection = try await PostgresConnection.test(on: eventLoop).get()
self.addTeardownBlock {
try await conn.close()
}
struct Model: Decodable {
let range: Range<Int64>
}
let results1: PostgresQueryResult = try await conn.query("""
SELECT
'[\(Int64.min), \(Int64.max))'::int8range AS range
""").get()
XCTAssertEqual(results1.count, 1)
var row = results1.first?.makeRandomAccess()
let expectedRange: Range<Int64> = Int64.min..<Int64.max
let decodedRange = try row?.decode(column: "range", as: Range<Int64>.self, context: .default)
XCTAssertEqual(decodedRange, expectedRange)
let results2: PostgresQueryResult = try await conn.query("""
SELECT
ARRAY[
'[0, 1)'::int8range,
'[10, 11)'::int8range
] AS ranges
""").get()
XCTAssertEqual(results2.count, 1)
row = results2.first?.makeRandomAccess()
let decodedRangeArray = try row?.decode(column: "ranges", as: [Range<Int64>].self, context: .default)
let decodedClosedRangeArray = try row?.decode(column: "ranges", as: [ClosedRange<Int64>].self, context: .default)
XCTAssertEqual(decodedRangeArray, [0..<1, 10..<11])
XCTAssertEqual(decodedClosedRangeArray, [0...0, 10...10])
}
func testEmptyInt8Range() async throws {
let conn: PostgresConnection = try await PostgresConnection.test(on: eventLoop).get()
self.addTeardownBlock {
try await conn.close()
}
struct Model: Decodable {
let range: Range<Int64>
}
let randomValue = Int64.random(in: Int64.min...Int64.max)
let results: PostgresQueryResult = try await conn.query("""
SELECT
'[\(randomValue),\(randomValue))'::int8range AS range
""").get()
XCTAssertEqual(results.count, 1)
let row = results.first?.makeRandomAccess()
let expectedRange: Range<Int64> = Int64.valueForEmptyRange..<Int64.valueForEmptyRange
let decodedRange = try row?.decode(column: "range", as: Range<Int64>.self, context: .default)
XCTAssertEqual(decodedRange, expectedRange)
XCTAssertThrowsError(
try row?.decode(column: "range", as: ClosedRange<Int64>.self, context: .default)
)
}
func testDates() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
struct Dates: Decodable {
var date: Date
var timestamp: Date
var timestamptz: Date
}
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("""
SELECT
'2016-01-18 01:02:03 +0042'::DATE as date,
'2016-01-18 01:02:03 +0042'::TIMESTAMP as timestamp,
'2016-01-18 01:02:03 +0042'::TIMESTAMPTZ as timestamptz
""").wait())
XCTAssertEqual(results?.count, 1)
let row = results?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "date"].date?.description, "2016-01-18 00:00:00 +0000")
XCTAssertEqual(row?[data: "timestamp"].date?.description, "2016-01-18 01:02:03 +0000")
XCTAssertEqual(row?[data: "timestamptz"].date?.description, "2016-01-18 00:20:03 +0000")
}
/// https://github.com/vapor/nio-postgres/issues/20
func testBindInteger() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertNoThrow(_ = try conn?.simpleQuery("drop table if exists person;").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("create table person(id serial primary key, first_name text, last_name text);").wait())
defer { XCTAssertNoThrow(_ = try conn?.simpleQuery("drop table person;").wait()) }
let id = PostgresData(int32: 5)
XCTAssertNoThrow(_ = try conn?.query("SELECT id, first_name, last_name FROM person WHERE id = $1", [id]).wait())
}
// https://github.com/vapor/nio-postgres/issues/21
func testAverageLengthNumeric() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var results: PostgresQueryResult?
XCTAssertNoThrow(results = try conn?.query("select avg(length('foo')) as average_length").wait())
let row = results?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: 0].double, 3.0)
}
func testNumericParsing() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'1234.5678'::numeric as a,
'-123.456'::numeric as b,
'123456.789123'::numeric as c,
'3.14159265358979'::numeric as d,
'10000'::numeric as e,
'0.00001'::numeric as f,
'100000000'::numeric as g,
'0.000000001'::numeric as h,
'100000000000'::numeric as i,
'0.000000000001'::numeric as j,
'123000000000'::numeric as k,
'0.000000000123'::numeric as l,
'0.5'::numeric as m
""").wait())
XCTAssertEqual(rows?.count, 1)
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "a"].string, "1234.5678")
XCTAssertEqual(row?[data: "b"].string, "-123.456")
XCTAssertEqual(row?[data: "c"].string, "123456.789123")
XCTAssertEqual(row?[data: "d"].string, "3.14159265358979")
XCTAssertEqual(row?[data: "e"].string, "10000")
XCTAssertEqual(row?[data: "f"].string, "0.00001")
XCTAssertEqual(row?[data: "g"].string, "100000000")
XCTAssertEqual(row?[data: "h"].string, "0.000000001")
XCTAssertEqual(row?[data: "k"].string, "123000000000")
XCTAssertEqual(row?[data: "l"].string, "0.000000000123")
XCTAssertEqual(row?[data: "m"].string, "0.5")
}
func testSingleNumericParsing() {
// this seemingly duped test is useful for debugging numeric parsing
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
let numeric = "790226039477542363.6032384900176272473"
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'\(numeric)'::numeric as n
""").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "n"].string, numeric)
}
func testRandomlyGeneratedNumericParsing() throws {
// this test takes a long time to run
try XCTSkipUnless(Self.shouldRunLongRunningTests)
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
for _ in 0..<1_000_000 {
let integer = UInt.random(in: UInt.min..<UInt.max)
let fraction = UInt.random(in: UInt.min..<UInt.max)
let number = "\(integer).\(fraction)"
.trimmingCharacters(in: CharacterSet(["0"]))
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'\(number)'::numeric as n
""").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "n"].string, number)
}
}
func testNumericSerialization() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
let a = PostgresNumeric(string: "123456.789123")!
let b = PostgresNumeric(string: "-123456.789123")!
let c = PostgresNumeric(string: "3.14159265358979")!
let d = PostgresNumeric(string: "1234567898765")!
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::numeric as a,
$2::numeric as b,
$3::numeric as c,
$4::numeric as d
""", [
.init(numeric: a),
.init(numeric: b),
.init(numeric: c),
.init(numeric: d)
]).wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "a"].decimal, Decimal(string: "123456.789123")!)
XCTAssertEqual(row?[data: "b"].decimal, Decimal(string: "-123456.789123")!)
XCTAssertEqual(row?[data: "c"].decimal, Decimal(string: "3.14159265358979")!)
XCTAssertEqual(row?[data: "d"].decimal, Decimal(string: "1234567898765")!)
}
func testDecimalStringSerialization() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertNoThrow(_ = try conn?.simpleQuery("DROP TABLE IF EXISTS \"table1\"").wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("""
CREATE TABLE table1 (
"balance" text NOT NULL
);
""").wait())
defer { XCTAssertNoThrow(_ = try conn?.simpleQuery("DROP TABLE \"table1\"").wait()) }
XCTAssertNoThrow(_ = try conn?.query("INSERT INTO table1 VALUES ($1)", [.init(decimal: Decimal(string: "123456.789123")!)]).wait())
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
SELECT
"balance"
FROM table1
""").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "balance"].decimal, Decimal(string: "123456.789123")!)
}
func testMoney() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'0'::money as a,
'0.05'::money as b,
'0.23'::money as c,
'3.14'::money as d,
'12345678.90'::money as e
""").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "a"].string, "0.00")
XCTAssertEqual(row?[data: "b"].string, "0.05")
XCTAssertEqual(row?[data: "c"].string, "0.23")
XCTAssertEqual(row?[data: "d"].string, "3.14")
XCTAssertEqual(row?[data: "e"].string, "12345678.90")
}
@available(*, deprecated, message: "Testing deprecated functionality")
func testIntegerArrayParse() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'{1,2,3}'::int[] as array
""").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "array"].array(of: Int.self), [1, 2, 3])
}
@available(*, deprecated, message: "Testing deprecated functionality")
func testEmptyIntegerArrayParse() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'{}'::int[] as array
""").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "array"].array(of: Int.self), [])
}
@available(*, deprecated, message: "Testing deprecated functionality")
func testOptionalIntegerArrayParse() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
'{1, 2, NULL, 4}'::int8[] as array
""").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "array"].array(of: Int?.self), [1, 2, nil, 4])
}
@available(*, deprecated, message: "Testing deprecated functionality")
func testNullIntegerArrayParse() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
null::int[] as array
""").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "array"].array(of: Int.self), nil)
}
@available(*, deprecated, message: "Testing deprecated functionality")
func testIntegerArraySerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::int8[] as array
""", [
PostgresData(array: [1, 2, 3])
]).wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "array"].array(of: Int.self), [1, 2, 3])
}
@available(*, deprecated, message: "Testing deprecated functionality")
func testEmptyIntegerArraySerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::int8[] as array
""", [
PostgresData(array: [] as [Int])
]).wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "array"].array(of: Int.self), [])
}
@available(*, deprecated, message: "Testing deprecated functionality")
func testOptionalIntegerArraySerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::int8[] as array
""", [
PostgresData(array: [1, nil, 3] as [Int64?])
]).wait())
XCTAssertEqual(rows?.count, 1)
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "array"].array(of: Int64?.self), [1, nil, 3])
}
@available(*, deprecated, message: "Testing deprecated functionality")
func testDateArraySerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
let date1 = Date(timeIntervalSince1970: 1704088800),
date2 = Date(timeIntervalSince1970: 1706767200),
date3 = Date(timeIntervalSince1970: 1709272800)
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("""
select
$1::timestamptz[] as array
""", [
PostgresData(array: [date1, date2, date3])
]).wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "array"].array(of: Date.self), [date1, date2, date3])
}
@available(*, deprecated, message: "Testing deprecated functionality")
func testDateArraySerializeAsPostgresDate() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow(try conn?.close().wait()) }
let date1 = Date(timeIntervalSince1970: 1704088800),//8766
date2 = Date(timeIntervalSince1970: 1706767200),//8797
date3 = Date(timeIntervalSince1970: 1709272800) //8826
var data = PostgresData(array: [date1, date2, date3].map { Int32(($0.timeIntervalSince1970 - 946_684_800) / 86_400).postgresData }, elementType: .date)
data.type = .dateArray // N.B.: `.date` format is an Int32 count of days since psqlStartDate
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select $1::date[] as array", [data]).wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(
row?[data: "array"].array(of: Date.self)?.map { Int32((($0.timeIntervalSince1970 - 946_684_800) / 86_400).rounded(.toNearestOrAwayFromZero)) },
[date1, date2, date3].map { Int32((($0.timeIntervalSince1970 - 946_684_800) / 86_400).rounded(.toNearestOrAwayFromZero)) }
)
}
// https://github.com/vapor/postgres-nio/issues/143
func testEmptyStringFromNonNullColumn() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
XCTAssertNoThrow(_ = try conn?.simpleQuery(#"DROP TABLE IF EXISTS "non_null_empty_strings""#).wait())
XCTAssertNoThrow(_ = try conn?.simpleQuery("""
CREATE TABLE non_null_empty_strings (
"id" SERIAL,
"nonNullString" text NOT NULL,
PRIMARY KEY ("id")
);
""").wait())
defer { XCTAssertNoThrow(_ = try conn?.simpleQuery(#"DROP TABLE "non_null_empty_strings""#).wait()) }
XCTAssertNoThrow(_ = try conn?.simpleQuery("""
INSERT INTO non_null_empty_strings ("nonNullString") VALUES ('')
""").wait())
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery(#"SELECT * FROM "non_null_empty_strings""#).wait())
XCTAssertEqual(rows?.count, 1)
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "nonNullString"].string, "") // <--- this fails
}
func testBoolSerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
do {
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select $1::bool as bool", [true]).wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "bool"].bool, true)
}
do {
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select $1::bool as bool", [false]).wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "bool"].bool, false)
}
do {
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery("select true::bool as bool").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "bool"].bool, true)
}
do {
var rows: [PostgresRow]?
XCTAssertNoThrow(rows = try conn?.simpleQuery("select false::bool as bool").wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "bool"].bool, false)
}
}
func testBytesSerialize() {
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow( try conn?.close().wait() ) }
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select $1::bytea as bytes", [
PostgresData(bytes: [1, 2, 3])
]).wait())
let row = rows?.first?.makeRandomAccess()
XCTAssertEqual(row?[data: "bytes"].bytes, [1, 2, 3])
}
func testJSONBSerialize() {
struct Object: Codable, PostgresCodable {
let foo: Int
let bar: Int
}
var conn: PostgresConnection?
XCTAssertNoThrow(conn = try PostgresConnection.test(on: eventLoop).wait())
defer { XCTAssertNoThrow(try conn?.close().wait()) }
do {
var postgresData: PostgresData?
XCTAssertNoThrow(postgresData = try PostgresData(jsonb: Object(foo: 1, bar: 2)))
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select $1::jsonb as jsonb", [XCTUnwrap(postgresData)]).wait())
var object: Object?
XCTAssertNoThrow(object = try rows?.first?.decode(Object.self, context: .default))
XCTAssertEqual(object?.foo, 1)
XCTAssertEqual(object?.bar, 2)
}
do {
var rows: PostgresQueryResult?
XCTAssertNoThrow(rows = try conn?.query("select jsonb_build_object('foo',1,'bar',2) as jsonb").wait())
var object: Object?
XCTAssertNoThrow(object = try rows?.first?.decode(Object.self, context: .default))
XCTAssertEqual(object?.foo, 1)
XCTAssertEqual(object?.bar, 2)
}
}
func testInt4RangeSerialize() async throws {
let conn: PostgresConnection = try await PostgresConnection.test(on: eventLoop).get()
self.addTeardownBlock {
try await conn.close()
}
do {
let range: Range<Int32> = Int32.min..<Int32.max
var binds = PostgresBindings()
binds.append(range, context: .default)
let query = PostgresQuery(
unsafeSQL: "select $1::int4range as range",
binds: binds
)
let rowSequence: PostgresRowSequence? = try await conn.query(query, logger: .psqlTest)
var rowIterator: PostgresRowSequence.AsyncIterator? = rowSequence?.makeAsyncIterator()
let row: PostgresRow? = try await rowIterator?.next()
let decodedRange: Range<Int32>? = try row?.decode(Range<Int32>.self, context: .default)
XCTAssertEqual(range, decodedRange)
}
do {
let emptyRange: Range<Int32> = Int32.min..<Int32.min
var binds = PostgresBindings()
binds.append(emptyRange, context: .default)
let query = PostgresQuery(
unsafeSQL: "select $1::int4range as range",
binds: binds
)
let rowSequence: PostgresRowSequence? = try await conn.query(query, logger: .psqlTest)
var rowIterator: PostgresRowSequence.AsyncIterator? = rowSequence?.makeAsyncIterator()
let row: PostgresRow? = try await rowIterator?.next()
let decodedEmptyRange: Range<Int32>? = try row?.decode(Range<Int32>.self, context: .default)
let expectedRange: Range<Int32> = Int32.valueForEmptyRange..<Int32.valueForEmptyRange
XCTAssertNotEqual(emptyRange, expectedRange)
XCTAssertEqual(expectedRange, decodedEmptyRange)
}
do {
let closedRange: ClosedRange<Int32> = Int32.min...(Int32.max - 1)
var binds = PostgresBindings()
binds.append(closedRange, context: .default)
let query = PostgresQuery(
unsafeSQL: "select $1::int4range as range",
binds: binds
)
let rowSequence: PostgresRowSequence? = try await conn.query(query, logger: .psqlTest)
var rowIterator: PostgresRowSequence.AsyncIterator? = rowSequence?.makeAsyncIterator()
let row: PostgresRow? = try await rowIterator?.next()
let decodedClosedRange: ClosedRange<Int32>? = try row?.decode(ClosedRange<Int32>.self, context: .default)
XCTAssertEqual(closedRange, decodedClosedRange)
}
}
func testInt8RangeSerialize() async throws {
let conn: PostgresConnection = try await PostgresConnection.test(on: eventLoop).get()
self.addTeardownBlock {