CoreStore/CoreStoreTests/SectionByTests.swift

//
//  SectionByTests.swift
//  CoreStore
//
//  Copyright © 2018 John Rommel Estropia
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//  SOFTWARE.
//

import CoreData
import XCTest

@testable
import CoreStore


//MARK: - SectionByTests

final class SectionByTests: XCTestCase {
    
    @objc
    dynamic func test_ThatSectionByClauses_ConfigureCorrectly() {
        
        do {
            
            let sectionBy = SectionBy<NSManagedObject>("key")
            XCTAssertEqual(sectionBy.sectionKeyPath, "key")
            XCTAssertNil(sectionBy.sectionIndexTransformer("key"))
        }
        do {
            
            let sectionBy = SectionBy<NSManagedObject>(
                "key",
                sectionIndexTransformer: { $0.flatMap { "\($0):suffix" } }
            )
            XCTAssertEqual(sectionBy.sectionKeyPath, "key")
            XCTAssertEqual(sectionBy.sectionIndexTransformer("key"), "key:suffix")
            XCTAssertNil(sectionBy.sectionIndexTransformer(nil))
        }
    }
}