Files

243 lines
12 KiB
Swift

import XCTest
import GRDB
class FoundationNSDateTests : GRDBTestCase {
override func setup(_ dbWriter: some DatabaseWriter) throws {
var migrator = DatabaseMigrator()
migrator.registerMigration("createDates") { db in
try db.execute(sql: """
CREATE TABLE dates (
ID INTEGER PRIMARY KEY,
creationDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP)
""")
}
try migrator.migrate(dbWriter)
}
func testNSDate() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
let calendar = Calendar(identifier: .gregorian)
let dateComponents = NSDateComponents()
dateComponents.year = 1973
dateComponents.month = 9
dateComponents.day = 18
dateComponents.hour = 10
dateComponents.minute = 11
dateComponents.second = 12
dateComponents.nanosecond = 123_456_789
do {
let date = calendar.date(from: dateComponents as DateComponents)!
try db.execute(sql: "INSERT INTO dates (creationDate) VALUES (?)", arguments: [date])
}
do {
let date = try NSDate.fetchOne(db, sql: "SELECT creationDate FROM dates")!
// All components must be preserved, but nanosecond since ISO-8601 stores milliseconds.
XCTAssertEqual(calendar.component(.year, from: date as Date), dateComponents.year)
XCTAssertEqual(calendar.component(.month, from: date as Date), dateComponents.month)
XCTAssertEqual(calendar.component(.day, from: date as Date), dateComponents.day)
XCTAssertEqual(calendar.component(.hour, from: date as Date), dateComponents.hour)
XCTAssertEqual(calendar.component(.minute, from: date as Date), dateComponents.minute)
XCTAssertEqual(calendar.component(.second, from: date as Date), dateComponents.second)
XCTAssertEqual(round(Double(calendar.component(.nanosecond, from: date as Date)) / 1.0e6), round(Double(dateComponents.nanosecond) / 1.0e6))
}
}
}
func testNSDateIsLexicallyComparableToCURRENT_TIMESTAMP() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(
sql: "INSERT INTO dates (id, creationDate) VALUES (?,?)",
arguments: [1, NSDate().addingTimeInterval(-1)])
try db.execute(
sql: "INSERT INTO dates (id) VALUES (?)",
arguments: [2])
try db.execute(
sql: "INSERT INTO dates (id, creationDate) VALUES (?,?)",
arguments: [3, NSDate().addingTimeInterval(1)])
let ids = try Int.fetchAll(db, sql: "SELECT id FROM dates ORDER BY creationDate")
XCTAssertEqual(ids, [1,2,3])
}
}
func testNSDateFromUnparsableString() {
XCTAssertTrue(NSDate.fromDatabaseValue("foo".databaseValue) == nil)
}
func testNSDateDoesNotAcceptFormatHM() {
XCTAssertTrue(NSDate.fromDatabaseValue("01:02".databaseValue) == nil)
}
func testNSDateDoesNotAcceptFormatHMS() {
XCTAssertTrue(NSDate.fromDatabaseValue("01:02:03".databaseValue) == nil)
}
func testNSDateDoesNotAcceptFormatHMSS() {
XCTAssertTrue(NSDate.fromDatabaseValue("01:02:03.00456".databaseValue) == nil)
}
func testNSDateAcceptsFormatYMD() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(
sql: "INSERT INTO dates (creationDate) VALUES (?)",
arguments: ["2015-07-22"])
let date = try NSDate.fetchOne(db, sql: "SELECT creationDate from dates")!
var calendar = Calendar(identifier: .gregorian)
calendar.timeZone = TimeZone(secondsFromGMT: 0)!
XCTAssertEqual(calendar.component(.year, from: date as Date), 2015)
XCTAssertEqual(calendar.component(.month, from: date as Date), 7)
XCTAssertEqual(calendar.component(.day, from: date as Date), 22)
XCTAssertEqual(calendar.component(.hour, from: date as Date), 0)
XCTAssertEqual(calendar.component(.minute, from: date as Date), 0)
XCTAssertEqual(calendar.component(.second, from: date as Date), 0)
XCTAssertEqual(calendar.component(.nanosecond, from: date as Date), 0)
}
}
func testNSDateAcceptsFormatYMD_HM() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(
sql: "INSERT INTO dates (creationDate) VALUES (?)",
arguments: ["2015-07-22 01:02"])
let date = try NSDate.fetchOne(db, sql: "SELECT creationDate from dates")!
var calendar = Calendar(identifier: .gregorian)
calendar.timeZone = TimeZone(secondsFromGMT: 0)!
XCTAssertEqual(calendar.component(.year, from: date as Date), 2015)
XCTAssertEqual(calendar.component(.month, from: date as Date), 7)
XCTAssertEqual(calendar.component(.day, from: date as Date), 22)
XCTAssertEqual(calendar.component(.hour, from: date as Date), 1)
XCTAssertEqual(calendar.component(.minute, from: date as Date), 2)
XCTAssertEqual(calendar.component(.second, from: date as Date), 0)
XCTAssertEqual(calendar.component(.nanosecond, from: date as Date), 0)
}
}
func testNSDateAcceptsFormatYMD_HMS() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(
sql: "INSERT INTO dates (creationDate) VALUES (?)",
arguments: ["2015-07-22 01:02:03"])
let date = try NSDate.fetchOne(db, sql: "SELECT creationDate from dates")!
var calendar = Calendar(identifier: .gregorian)
calendar.timeZone = TimeZone(secondsFromGMT: 0)!
XCTAssertEqual(calendar.component(.year, from: date as Date), 2015)
XCTAssertEqual(calendar.component(.month, from: date as Date), 7)
XCTAssertEqual(calendar.component(.day, from: date as Date), 22)
XCTAssertEqual(calendar.component(.hour, from: date as Date), 1)
XCTAssertEqual(calendar.component(.minute, from: date as Date), 2)
XCTAssertEqual(calendar.component(.second, from: date as Date), 3)
XCTAssertEqual(calendar.component(.nanosecond, from: date as Date), 0)
}
}
func testNSDateAcceptsFormatYMD_HMSS() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(
sql: "INSERT INTO dates (creationDate) VALUES (?)",
arguments: ["2015-07-22 01:02:03.00456"])
let date = try NSDate.fetchOne(db, sql: "SELECT creationDate from dates")!
var calendar = Calendar(identifier: .gregorian)
calendar.timeZone = TimeZone(secondsFromGMT: 0)!
XCTAssertEqual(calendar.component(.year, from: date as Date), 2015)
XCTAssertEqual(calendar.component(.month, from: date as Date), 7)
XCTAssertEqual(calendar.component(.day, from: date as Date), 22)
XCTAssertEqual(calendar.component(.hour, from: date as Date), 1)
XCTAssertEqual(calendar.component(.minute, from: date as Date), 2)
XCTAssertEqual(calendar.component(.second, from: date as Date), 3)
XCTAssertTrue(abs(calendar.component(.nanosecond, from: date as Date) - 4_000_000) < 10) // We actually get 4_000_008. Some precision is lost during the NSDateComponents -> NSDate conversion. Not a big deal.
}
}
func testNSDateAcceptsTimestamp() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(
sql: "INSERT INTO dates (creationDate) VALUES (?)",
arguments: [1437526920])
let string = try String.fetchOne(db, sql: "SELECT datetime(creationDate, 'unixepoch') from dates")!
XCTAssertEqual(string, "2015-07-22 01:02:00")
let date = try NSDate.fetchOne(db, sql: "SELECT creationDate from dates")!
var calendar = Calendar(identifier: .gregorian)
calendar.timeZone = TimeZone(secondsFromGMT: 0)!
XCTAssertEqual(calendar.component(.year, from: date as Date), 2015)
XCTAssertEqual(calendar.component(.month, from: date as Date), 7)
XCTAssertEqual(calendar.component(.day, from: date as Date), 22)
XCTAssertEqual(calendar.component(.hour, from: date as Date), 1)
XCTAssertEqual(calendar.component(.minute, from: date as Date), 2)
XCTAssertEqual(calendar.component(.second, from: date as Date), 0)
XCTAssertEqual(calendar.component(.nanosecond, from: date as Date), 0)
}
}
func testNSDateAcceptsFormatIso8601YMD_HM() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(
sql: "INSERT INTO dates (creationDate) VALUES (?)",
arguments: ["2015-07-22T01:02"])
let date = try NSDate.fetchOne(db, sql: "SELECT creationDate from dates")!
var calendar = Calendar(identifier: .gregorian)
calendar.timeZone = TimeZone(secondsFromGMT: 0)!
XCTAssertEqual(calendar.component(.year, from: date as Date), 2015)
XCTAssertEqual(calendar.component(.month, from: date as Date), 7)
XCTAssertEqual(calendar.component(.day, from: date as Date), 22)
XCTAssertEqual(calendar.component(.hour, from: date as Date), 1)
XCTAssertEqual(calendar.component(.minute, from: date as Date), 2)
XCTAssertEqual(calendar.component(.second, from: date as Date), 0)
XCTAssertEqual(calendar.component(.nanosecond, from: date as Date), 0)
}
}
func testNSDateAcceptsFormatIso8601YMD_HMS() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(
sql: "INSERT INTO dates (creationDate) VALUES (?)",
arguments: ["2015-07-22T01:02:03"])
let date = try NSDate.fetchOne(db, sql: "SELECT creationDate from dates")!
var calendar = Calendar(identifier: .gregorian)
calendar.timeZone = TimeZone(secondsFromGMT: 0)!
XCTAssertEqual(calendar.component(.year, from: date as Date), 2015)
XCTAssertEqual(calendar.component(.month, from: date as Date), 7)
XCTAssertEqual(calendar.component(.day, from: date as Date), 22)
XCTAssertEqual(calendar.component(.hour, from: date as Date), 1)
XCTAssertEqual(calendar.component(.minute, from: date as Date), 2)
XCTAssertEqual(calendar.component(.second, from: date as Date), 3)
XCTAssertEqual(calendar.component(.nanosecond, from: date as Date), 0)
}
}
func testNSDateAcceptsFormatIso8601YMD_HMSS() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(
sql: "INSERT INTO dates (creationDate) VALUES (?)",
arguments: ["2015-07-22T01:02:03.00456"])
let date = try NSDate.fetchOne(db, sql: "SELECT creationDate from dates")!
var calendar = Calendar(identifier: .gregorian)
calendar.timeZone = TimeZone(secondsFromGMT: 0)!
XCTAssertEqual(calendar.component(.year, from: date as Date), 2015)
XCTAssertEqual(calendar.component(.month, from: date as Date), 7)
XCTAssertEqual(calendar.component(.day, from: date as Date), 22)
XCTAssertEqual(calendar.component(.hour, from: date as Date), 1)
XCTAssertEqual(calendar.component(.minute, from: date as Date), 2)
XCTAssertEqual(calendar.component(.second, from: date as Date), 3)
XCTAssertTrue(abs(calendar.component(.nanosecond, from: date as Date) - 4_000_000) < 10) // We actually get 4_000_008. Some precision is lost during the NSDateComponents -> NSDate conversion. Not a big deal.
}
}
}