NetNewsWire/Account/Tests/AccountTests/Feedly/FeedlyOperationTests.swift
2020-07-30 07:27:14 -05:00

232 lines
7.0 KiB
Swift

//
// FeedlyOperationTests.swift
// AccountTests
//
// Created by Kiel Gillard on 21/10/19.
// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
//
import XCTest
@testable import Account
import RSWeb
import RSCore
class FeedlyOperationTests: XCTestCase {
enum TestOperationError: Error, Equatable {
case mockError
case anotherMockError
}
final class TestOperation: FeedlyOperation {
var didCallMainExpectation: XCTestExpectation?
var mockError: Error?
override func run() {
super.run()
// Should always call on main thread.
XCTAssertTrue(Thread.isMainThread)
didCallMainExpectation?.fulfill()
if let error = mockError {
didFinish(with: error)
} else {
didFinish()
}
}
}
final class TestDelegate: FeedlyOperationDelegate {
var error: Error?
var didFailExpectation: XCTestExpectation?
func feedlyOperation(_ operation: FeedlyOperation, didFailWith error: Error) {
didFailExpectation?.fulfill()
self.error = error
}
}
func testDoesCallMain() {
let testOperation = TestOperation()
testOperation.didCallMainExpectation = expectation(description: "Did Call Main")
MainThreadOperationQueue.shared.add(testOperation)
waitForExpectations(timeout: 2)
}
func testDoesFail() {
let testOperation = TestOperation()
testOperation.didCallMainExpectation = expectation(description: "Did Call Main")
testOperation.mockError = TestOperationError.mockError
let delegate = TestDelegate()
delegate.didFailExpectation = expectation(description: "Operation Failed As Expected")
testOperation.delegate = delegate
MainThreadOperationQueue.shared.add(testOperation)
waitForExpectations(timeout: 2)
if let error = delegate.error as? TestOperationError {
XCTAssertEqual(error, TestOperationError.mockError)
} else {
XCTFail("Expected \(TestOperationError.self) but got \(String(describing: delegate.error)).")
}
}
func testOperationFlags() {
let testOperation = TestOperation()
testOperation.didCallMainExpectation = expectation(description: "Did Call Main")
let completionExpectation = expectation(description: "Operation Completed")
testOperation.completionBlock = { _ in
completionExpectation.fulfill()
}
XCTAssertFalse(testOperation.isCanceled)
MainThreadOperationQueue.shared.add(testOperation)
waitForExpectations(timeout: 2)
XCTAssertFalse(testOperation.isCanceled)
}
func testOperationCancellationFlags() {
let testOperation = TestOperation()
testOperation.didCallMainExpectation = expectation(description: "Did Call Main")
testOperation.didCallMainExpectation?.isInverted = true
let completionExpectation = expectation(description: "Operation Completed")
testOperation.completionBlock = { _ in
completionExpectation.fulfill()
}
XCTAssertFalse(testOperation.isCanceled)
MainThreadOperationQueue.shared.add(testOperation)
MainThreadOperationQueue.shared.cancelOperations([testOperation])
waitForExpectations(timeout: 2)
XCTAssertTrue(testOperation.isCanceled)
}
func testDependency() {
// let testOperation = TestOperation()
// testOperation.didCallMainExpectation = expectation(description: "Did Call Main")
//
// let dependencyExpectation = expectation(description: "Did Call Dependency")
// let blockOperation = BlockOperation {
// dependencyExpectation.fulfill()
// }
//
// MainThreadOperationQueue.shared.make(blockOperation, dependOn: testOperation)
//
// //XCTAssertTrue(blockOperation.dependencies.contains(testOperation))
//
// MainThreadOperationQueue.shared.addOperations([testOperation, blockOperation])
//
// waitForExpectations(timeout: 2)
}
func testProgressReporting() {
let progress = DownloadProgress(numberOfTasks: 0)
let didChangeExpectation = expectation(forNotification: .DownloadProgressDidChange, object: progress)
// This number is the number of times breakpoints on calls to DownloadProgress.postDidChangeNotification is hit.
didChangeExpectation.expectedFulfillmentCount = 4
didChangeExpectation.assertForOverFulfill = true
let testOperation = TestOperation()
testOperation.downloadProgress = progress
XCTAssertTrue(progress.numberRemaining == 1)
testOperation.downloadProgress = nil
XCTAssertTrue(progress.numberRemaining == 0)
waitForExpectations(timeout: 2)
}
func testProgressReportingOnCancel() {
let progress = DownloadProgress(numberOfTasks: 0)
let didChangeExpectation = expectation(forNotification: .DownloadProgressDidChange, object: progress)
// This number is the number of times breakpoints on calls to DownloadProgress.postDidChangeNotification is hit.
didChangeExpectation.expectedFulfillmentCount = 4
didChangeExpectation.assertForOverFulfill = true
let testOperation = TestOperation()
testOperation.downloadProgress = progress
let completionExpectation = expectation(description: "Operation Completed")
testOperation.completionBlock = { _ in
completionExpectation.fulfill()
}
MainThreadOperationQueue.shared.add(testOperation)
XCTAssertTrue(progress.numberRemaining == 1)
MainThreadOperationQueue.shared.cancelOperations([testOperation])
XCTAssertTrue(progress.numberRemaining == 0)
waitForExpectations(timeout: 2)
XCTAssertTrue(progress.numberRemaining == 0)
}
func testDoesProgressReportingOnSuccess() {
let progress = DownloadProgress(numberOfTasks: 0)
let didChangeExpectation = expectation(forNotification: .DownloadProgressDidChange, object: progress)
// This number is the number of times breakpoints on calls to DownloadProgress.postDidChangeNotification is hit.
didChangeExpectation.expectedFulfillmentCount = 4
didChangeExpectation.assertForOverFulfill = true
let testOperation = TestOperation()
testOperation.downloadProgress = progress
let completionExpectation = expectation(description: "Operation Completed")
testOperation.completionBlock = { _ in
completionExpectation.fulfill()
}
MainThreadOperationQueue.shared.add(testOperation)
XCTAssertTrue(progress.numberRemaining == 1)
waitForExpectations(timeout: 2)
XCTAssertTrue(progress.numberRemaining == 0)
}
func testProgressReportingOnFailure() {
let progress = DownloadProgress(numberOfTasks: 0)
let didChangeExpectation = expectation(forNotification: .DownloadProgressDidChange, object: progress)
// This number is the number of times breakpoints on calls to DownloadProgress.postDidChangeNotification is hit.
didChangeExpectation.expectedFulfillmentCount = 4
didChangeExpectation.assertForOverFulfill = true
let testOperation = TestOperation()
testOperation.mockError = TestOperationError.mockError
testOperation.downloadProgress = progress
let completionExpectation = expectation(description: "Operation Completed")
testOperation.completionBlock = { _ in
completionExpectation.fulfill()
}
MainThreadOperationQueue.shared.add(testOperation)
XCTAssertTrue(progress.numberRemaining == 1)
waitForExpectations(timeout: 2)
XCTAssertTrue(progress.numberRemaining == 0)
}
}