NetNewsWire/Frameworks/Account/AccountTests/Feedly/FeedlyGetStreamContentsOper...

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//
// FeedlyGetStreamContentsOperationTests.swift
// AccountTests
//
// Created by Kiel Gillard on 23/10/19.
// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
//
import XCTest
@testable import Account
class FeedlyGetStreamContentsOperationTests: XCTestCase {
private var account: Account!
private let support = FeedlyTestSupport()
override func setUp() {
super.setUp()
account = support.makeTestAccount()
}
override func tearDown() {
if let account = account {
support.destroy(account)
}
super.tearDown()
}
func testGetStreamContentsFailure() {
let service = TestGetStreamContentsService()
let resource = FeedlyCategoryResourceId(id: "user/1234/category/5678")
let getStreamContents = FeedlyGetStreamContentsOperation(account: account, resource: resource, service: service, continuation: nil, newerThan: nil, unreadOnly: nil, log: support.log)
service.mockResult = .failure(URLError(.fileDoesNotExist))
let completionExpectation = expectation(description: "Did Finish")
getStreamContents.completionBlock = {
completionExpectation.fulfill()
}
OperationQueue.main.addOperation(getStreamContents)
waitForExpectations(timeout: 2)
XCTAssertNil(getStreamContents.stream)
}
func testValuesPassingForGetStreamContents() {
let service = TestGetStreamContentsService()
let resource = FeedlyCategoryResourceId(id: "user/1234/category/5678")
let continuation: String? = "abcdefg"
let newerThan: Date? = Date(timeIntervalSinceReferenceDate: 86)
let unreadOnly: Bool? = true
let getStreamContents = FeedlyGetStreamContentsOperation(account: account, resource: resource, service: service, continuation: continuation, newerThan: newerThan, unreadOnly: unreadOnly, log: support.log)
let mockStream = FeedlyStream(id: "stream/1", updated: nil, continuation: nil, items: [])
service.mockResult = .success(mockStream)
service.getStreamContentsExpectation = expectation(description: "Did Call Service")
service.parameterTester = { serviceResource, serviceContinuation, serviceNewerThan, serviceUnreadOnly in
// Verify these values given to the opeartion are passed to the service.
XCTAssertEqual(serviceResource.id, resource.id)
XCTAssertEqual(serviceContinuation, continuation)
XCTAssertEqual(serviceNewerThan, newerThan)
XCTAssertEqual(serviceUnreadOnly, unreadOnly)
}
let completionExpectation = expectation(description: "Did Finish")
getStreamContents.completionBlock = {
completionExpectation.fulfill()
}
OperationQueue.main.addOperation(getStreamContents)
waitForExpectations(timeout: 2)
guard let stream = getStreamContents.stream else {
XCTFail("\(FeedlyGetStreamContentsOperation.self) did not store the stream.")
return
}
XCTAssertEqual(stream.id, mockStream.id)
XCTAssertEqual(stream.updated, mockStream.updated)
XCTAssertEqual(stream.continuation, mockStream.continuation)
let streamIds = stream.items.map { $0.id }
let mockStreamIds = mockStream.items.map { $0.id }
XCTAssertEqual(streamIds, mockStreamIds)
}
func testGetStreamContentsFromJSON() {
let support = FeedlyTestSupport()
let (transport, caller) = support.makeMockNetworkStack()
let jsonName = "feedly_macintosh_initial"
transport.testFiles["/v3/streams/contents"] = "\(jsonName).json"
let resource = FeedlyCategoryResourceId(id: "user/f2f031bd-f3e3-4893-a447-467a291c6d1e/category/5ca4d61d-e55d-4999-a8d1-c3b9d8789815")
let getStreamContents = FeedlyGetStreamContentsOperation(account: account, resource: resource, service: caller, continuation: nil, newerThan: nil, unreadOnly: nil, log: support.log)
let completionExpectation = expectation(description: "Did Finish")
getStreamContents.completionBlock = {
completionExpectation.fulfill()
}
OperationQueue.main.addOperation(getStreamContents)
waitForExpectations(timeout: 2)
// verify entry providing and parsed item providing
guard let stream = getStreamContents.stream else {
return XCTFail("Expected to have stream.")
}
let streamJSON = support.testJSON(named: jsonName) as! [String:Any]
let id = streamJSON["id"] as! String
XCTAssertEqual(stream.id, id)
let milliseconds = streamJSON["updated"] as! Double
let updated = Date(timeIntervalSince1970: TimeInterval(milliseconds / 1000))
XCTAssertEqual(stream.updated, updated)
let continuation = streamJSON["continuation"] as! String
XCTAssertEqual(stream.continuation, continuation)
support.check(getStreamContents.entries, correspondToStreamItemsIn: streamJSON)
support.check(stream.items, correspondToStreamItemsIn: streamJSON)
}
}