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//
// QuerySetTests.swift
// QueryKit
//
// Created by Kyle Fuller on 06/07/2014.
//
//
import XCTest
import CoreData
import QueryKit
class QuerySetTests: XCTestCase {
var context:NSManagedObjectContext!
var queryset:QuerySet<Person>!
override func setUp() {
super.setUp()
context = NSManagedObjectContext()
context.persistentStoreCoordinator = persistentStoreCoordinator()
let company = Company.create(context)
company.name = "Cocode"
for name in ["Kyle", "Orta", "Ayaka", "Mark", "Scott"] {
let person = Person.create(context)
person.name = name
if name == "Kyle" {
person.company = company
}
}
try! context.save()
queryset = QuerySet(context, "Person")
}
func testEqualQuerySetIsEquatable() {
XCTAssertEqual(queryset, QuerySet(context, "Person"))
}
// MARK: Sorting
func testOrderBySortDescriptor() {
let sortDescriptor = NSSortDescriptor(key: "name", ascending: true)
let qs = queryset.orderBy(sortDescriptor)
XCTAssertTrue(qs.sortDescriptors == [sortDescriptor])
}
func testOrderBySortDescriptors() {
let sortDescriptor = NSSortDescriptor(key: "name", ascending: true)
let qs = queryset.orderBy([sortDescriptor])
XCTAssertTrue(qs.sortDescriptors == [sortDescriptor])
}
func testTypeSafeOrderBySortDescriptor() {
let qs = queryset.orderBy { $0.name.ascending() }
XCTAssertTrue(qs.sortDescriptors == [NSSortDescriptor(key: "name", ascending: true)])
}
func testTypeSafeOrderBySortDescriptors() {
let sortDescriptor = NSSortDescriptor(key: "name", ascending: true)
let qs = queryset.orderBy { [$0.name.ascending()] }
XCTAssertTrue(qs.sortDescriptors == [sortDescriptor])
}
func testReverseOrdering() {
let nameSortDescriptor = NSSortDescriptor(key: "name", ascending: true)
let ageSortDescriptor = NSSortDescriptor(key: "age", ascending: true)
let qs = queryset.orderBy([nameSortDescriptor, ageSortDescriptor]).reverse()
XCTAssertEqual(qs.sortDescriptors, [
NSSortDescriptor(key: "name", ascending: false),
NSSortDescriptor(key: "age", ascending: false),
])
}
// MARK: Filtering
func testFilterPredicate() {
let predicate = NSPredicate(format: "name == Kyle")
let qs = queryset.filter(predicate)
XCTAssertEqual(qs.predicate!, predicate)
}
func testFilterPredicates() {
let predicateName = NSPredicate(format: "name == Kyle")
let predicateAge = NSPredicate(format: "age > 27")
let qs = queryset.filter([predicateName, predicateAge])
XCTAssertEqual(qs.predicate!, NSPredicate(format: "name == Kyle AND age > 27"))
}
func testFilterBooleanAttribute() {
let qs = queryset.filter(Attribute<Bool>("isEmployed"))
XCTAssertEqual(qs.predicate!, NSPredicate(format: "isEmployed == YES"))
}
func testTypeSafeFilter() {
let qs = queryset.filter { $0.name == "Kyle" }
XCTAssertEqual(qs.predicate?.description, "name == \"Kyle\"")
}
func testTypeSafeFilerEqualWithNilRHS() {
let qs = queryset.filter { $0.name == nil }
XCTAssertEqual(qs.predicate?.description, "name == <null>")
}
func testTypeSafeRelatedFilterPredicate() {
let at = Attribute<Company>("company")
XCTAssertEqual(at.name.key, "company.name")
let qs = queryset.filter { $0.company.name == "Cocode" }
XCTAssertEqual(qs.predicate?.description, "company.name == \"Cocode\"")
}
// MARK: Exclusion
func testExcludePredicate() {
let predicate = NSPredicate(format: "name == Kyle")
let qs = queryset.exclude(predicate)
XCTAssertEqual(qs.predicate!, NSPredicate(format: "NOT name == Kyle"))
}
func testExcludePredicates() {
let predicateName = NSPredicate(format: "name == Kyle")
let predicateAge = NSPredicate(format: "age > 27")
let qs = queryset.exclude([predicateName, predicateAge])
XCTAssertEqual(qs.predicate!, NSPredicate(format: "NOT (name == Kyle AND age > 27)"))
}
func testExcludeBooleanAttribute() {
let qs = queryset.exclude(Attribute<Bool>("isEmployed"))
XCTAssertEqual(qs.predicate!, NSPredicate(format: "isEmployed == NO"))
}
func testTypeSafeExclude() {
let qs = queryset.exclude { $0.name == "Kyle" }
XCTAssertEqual(qs.predicate?.description, "NOT name == \"Kyle\"")
}
// Fetch Request
func testConversionToFetchRequest() {
let predicate = NSPredicate(format: "name == Kyle")
let sortDescriptor = NSSortDescriptor(key: "name", ascending: true)
let qs = queryset.filter(predicate).orderBy(sortDescriptor)[2..<4]
let fetchRequest = qs.fetchRequest
XCTAssertEqual(fetchRequest.entityName!, "Person")
XCTAssertEqual(fetchRequest.predicate!, predicate)
// XCTAssertEqual(fetchRequest.sortDescriptors!, [sortDescriptor])
XCTAssertEqual(fetchRequest.fetchOffset, 2)
XCTAssertEqual(fetchRequest.fetchLimit, 2)
}
// MARK: Subscripting
func testSubscriptingAtIndex() {
let qs = queryset.orderBy(NSSortDescriptor(key: "name", ascending: true))
let ayaka = try! qs.object(0)
let kyle = try! qs.object(1)
let mark = try! qs.object(2)
let orta = try! qs.object(3)
let scott = try! qs.object(4)
XCTAssertEqual(ayaka!.name, "Ayaka")
XCTAssertEqual(kyle!.name, "Kyle")
XCTAssertEqual(mark!.name, "Mark")
XCTAssertEqual(orta!.name, "Orta")
XCTAssertEqual(scott!.name, "Scott")
}
func testSubscriptingRange() {
let qs = queryset.orderBy(NSSortDescriptor(key: "name", ascending: true))[0...2]
XCTAssertEqual(qs.range!.startIndex, 0)
XCTAssertEqual(qs.range!.endIndex, 3)
}
func testSubscriptingRangeSubscriptsCurrentRange() {
var qs = queryset.orderBy(NSSortDescriptor(key: "name", ascending: true))
qs = qs[2...5]
qs = qs[2...4]
XCTAssertEqual(qs.range!.startIndex, 4)
XCTAssertEqual(qs.range!.endIndex, 5)
}
// MARK: Getters
func testFirst() {
let qs = queryset.orderBy(NSSortDescriptor(key: "name", ascending: true))
let name = try! qs.first()?.name
XCTAssertEqual(name, "Ayaka")
}
func testLast() {
let qs = queryset.orderBy(NSSortDescriptor(key: "name", ascending: true))
let name = try! qs.last()?.name
XCTAssertEqual(name, "Scott")
}
// MARK: Conversion
func testConversionToArray() {
let qs = queryset.orderBy(NSSortDescriptor(key: "name", ascending: true))[0...1]
let people = AssertNotThrow(try qs.array()) ?? []
XCTAssertEqual(people.count, 2)
}
// MARK: Count
func testCount() {
let qs = queryset.orderBy(NSSortDescriptor(key: "name", ascending: true))[0...1]
let count = AssertNotThrow(try qs.count())
XCTAssertEqual(count!, 2)
}
// MARK: Exists
func testExistsReturnsTrueWithMatchingObjects() {
let qs = queryset.filter(NSPredicate(format: "name == %@", "Kyle"))
let exists = AssertNotThrow(try qs.exists()) ?? false
XCTAssertTrue(exists)
}
func testExistsReturnsFalseWithNoMatchingObjects() {
let qs = queryset.filter(NSPredicate(format: "name == %@", "None"))
let exists = AssertNotThrow(try qs.exists()) ?? true
XCTAssertFalse(exists)
}
// MARK: Deletion
func testDelete() {
let qs = queryset.orderBy(NSSortDescriptor(key: "name", ascending: true))
let deletedCount = AssertNotThrow(try qs[0...1].delete()) ?? 0
let count = AssertNotThrow(try qs.count()) ?? 0
XCTAssertEqual(deletedCount, 2)
XCTAssertEqual(count, 3)
}
}