//
//  PagedTransactionRepositoryTests.swift
//  ZcashLightClientKit-Unit-Tests
//
//  Created by Francisco Gindre on 12/6/19.
//

import XCTest
@testable import ZcashLightClientKit
class PagedTransactionRepositoryTests: XCTestCase {
    
    var pagedTransactionRepository: PaginatedTransactionRepository!
    var transactionRepository: TransactionRepository!
    
    override func setUp() {
        transactionRepository = MockTransactionRepository(unminedCount: 5, receivedCount: 150, sentCount: 100)
        pagedTransactionRepository = PagedTransactionDAO(repository: transactionRepository)
    }

    func testBrowsePages() {
        let pageSize = pagedTransactionRepository.pageSize
        let pageCount = pagedTransactionRepository.pageCount
        let totalItems = pagedTransactionRepository.itemCount
        for i in 0 ..< pageCount/pageSize {
            guard let page = try? pagedTransactionRepository.page(i) else {
                XCTFail("page failed to get page \(i)")
                return
            }
            if i < pageCount {
                XCTAssert(page.count == pageSize)
            } else {
                // last page has to have the remainding items
                XCTAssertEqual(page.count,  totalItems - (pageSize * pageCount))
            }
        }
    }

}