Skip to content

[Test] Add MultipleTasksTests #64

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 8, 2016
Merged

[Test] Add MultipleTasksTests #64

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions SwiftTask.xcodeproj/project.pbxproj
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@
1FD7197B1AFE387C00BC38C4 /* Cancellable.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1FD7197A1AFE387C00BC38C4 /* Cancellable.swift */; };
1FF52EB41A4C395A00B4BA28 /* _InterruptableTask.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1FF52EB31A4C395A00B4BA28 /* _InterruptableTask.swift */; };
1FF52EB51A4C395A00B4BA28 /* _InterruptableTask.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1FF52EB31A4C395A00B4BA28 /* _InterruptableTask.swift */; };
1FF95CB01CDD8F8D00899FEA /* MultipleTasksTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1FF95CAF1CDD8F8D00899FEA /* MultipleTasksTests.swift */; };
1FF95CB11CDD8F8D00899FEA /* MultipleTasksTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1FF95CAF1CDD8F8D00899FEA /* MultipleTasksTests.swift */; };
4822F0DC19D00B2300F5F572 /* _TestCase.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1F46DEFC199EE2C200F97868 /* _TestCase.swift */; };
4822F0DD19D00B2300F5F572 /* BasicTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1F20250119ADA8FD00DE0495 /* BasicTests.swift */; };
4822F0DE19D00B2300F5F572 /* SwiftTaskTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1F46DEE3199EDF1000F97868 /* SwiftTaskTests.swift */; };
Expand Down Expand Up @@ -76,6 +78,7 @@
1FCF71151AD8CD38007079C2 /* Alamofire.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Alamofire.framework; path = ../Carthage/Checkouts/Alamofire/build/Debug/Alamofire.framework; sourceTree = "<group>"; };
1FD7197A1AFE387C00BC38C4 /* Cancellable.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Cancellable.swift; sourceTree = "<group>"; };
1FF52EB31A4C395A00B4BA28 /* _InterruptableTask.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = _InterruptableTask.swift; sourceTree = "<group>"; };
1FF95CAF1CDD8F8D00899FEA /* MultipleTasksTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MultipleTasksTests.swift; sourceTree = "<group>"; };
1FFADCCF1C5CE950000B66BE /* Base.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Base.xcconfig; sourceTree = "<group>"; };
1FFADCD01C5CE950000B66BE /* Debug.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Debug.xcconfig; sourceTree = "<group>"; };
1FFADCD11C5CE950000B66BE /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Release.xcconfig; sourceTree = "<group>"; };
Expand Down Expand Up @@ -174,6 +177,7 @@
1F218D5A1AFC3FFD00C849FF /* RemoveHandlerTests.swift */,
1F5FA35619A374E600975FB9 /* AlamofireTests.swift */,
1F29F6411B115EF500F476AF /* MultipleErrorTypesTests.swift */,
1FF95CAF1CDD8F8D00899FEA /* MultipleTasksTests.swift */,
1F46DEE1199EDF1000F97868 /* Supporting Files */,
);
path = SwiftTaskTests;
Expand Down Expand Up @@ -375,6 +379,7 @@
1F20250219ADA8FD00DE0495 /* BasicTests.swift in Sources */,
1FF52EB41A4C395A00B4BA28 /* _InterruptableTask.swift in Sources */,
1F218D5B1AFC3FFD00C849FF /* RemoveHandlerTests.swift in Sources */,
1FF95CB01CDD8F8D00899FEA /* MultipleTasksTests.swift in Sources */,
1F6A8CA319A4E4F200369A5D /* SwiftTaskTests.swift in Sources */,
1F29F6421B115EF500F476AF /* MultipleErrorTypesTests.swift in Sources */,
1F4C76A41AD8CF40004E47C1 /* AlamofireTests.swift in Sources */,
Expand All @@ -391,6 +396,7 @@
4822F0DE19D00B2300F5F572 /* SwiftTaskTests.swift in Sources */,
4822F0DD19D00B2300F5F572 /* BasicTests.swift in Sources */,
1F218D5C1AFC3FFD00C849FF /* RemoveHandlerTests.swift in Sources */,
1FF95CB11CDD8F8D00899FEA /* MultipleTasksTests.swift in Sources */,
1FF52EB51A4C395A00B4BA28 /* _InterruptableTask.swift in Sources */,
1F29F6431B115EF500F476AF /* MultipleErrorTypesTests.swift in Sources */,
1F4C76A51AD8CF41004E47C1 /* AlamofireTests.swift in Sources */,
Expand Down
136 changes: 136 additions & 0 deletions SwiftTaskTests/MultipleTasksTests.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,136 @@
//
// MultipleTasksTests.swift
// SwiftTask
//
// Created by Yasuhiro Inami on 2016-05-07.
// Copyright © 2016 Yasuhiro Inami. All rights reserved.
//

import SwiftTask
import XCTest

/// Generic type for value/error to demonstrate multiple tasks working on different types.
private enum MyEnum<T> { case Default }

private typealias Value1 = MyEnum<()>
private typealias Error1 = MyEnum<Bool>
private typealias Value2 = MyEnum<Float>
private typealias Error2 = MyEnum<Double>
private typealias Value3 = MyEnum<Int>
private typealias Error3 = MyEnum<String>

/// Wrapped error type to unify `Error1`/`Error2`/`Error3`.
private enum WrappedError
{
case ByTask1(Error1)
case ByTask2(Error2)
case ByTask3(Error3)

/// For external cancellation -> internal rejection conversion.
case Cancelled
}

class MultipleTasksTests: _TestCase
{
func testMultipleTasksTests_success1_success2_success3()
{
let expect = self.expectationWithDescription(#function)

var flow = [Int]()

let task1 = { Task<(), Value1, Error1>(value: .Default).on(success: { _ in flow.append(1) }) }
let task2 = { Task<(), Value2, Error2>(value: .Default).on(success: { _ in flow.append(2) }) }
let task3 = { Task<(), Value3, Error3>(value: .Default).on(success: { _ in flow.append(3) }) }

task1()._mapError(WrappedError.ByTask1)
.success { _ in
task2()._mapError(WrappedError.ByTask2)
}
.success { _ in
task3()._mapError(WrappedError.ByTask3)
}
.on(success: { _ in
XCTAssertEqual(flow, [1, 2, 3])
expect.fulfill()
})

self.wait()
}

func testMultipleTasksTests_success1_success2_failure3()
{
let expect = self.expectationWithDescription(#function)

var flow = [Int]()

let task1 = { Task<(), Value1, Error1>(value: .Default).on(success: { _ in flow.append(1) }) }
let task2 = { Task<(), Value2, Error2>(value: .Default).on(success: { _ in flow.append(2) }) }
let task3 = { Task<(), Value3, Error3>(error: .Default).on(success: { _ in flow.append(3) }) }

task1()._mapError(WrappedError.ByTask1)
.success { _ in
task2()._mapError(WrappedError.ByTask2)
}
.success { _ in
task3()._mapError(WrappedError.ByTask3)
}
.on(failure: { error, isCancelled in
guard case let .Some(.ByTask3(error3)) = error else {
XCTFail("Wrong WrappedError.")
return
}
XCTAssertEqual(error3, Error3.Default)
XCTAssertEqual(flow, [1, 2])
expect.fulfill()
})

self.wait()
}

func testMultipleTasksTests_success1_failure2_success3()
{
let expect = self.expectationWithDescription(#function)

var flow = [Int]()

let task1 = { Task<(), Value1, Error1>(value: .Default).on(success: { _ in flow.append(1) }) }
let task2 = { Task<(), Value2, Error2>(error: .Default).on(success: { _ in flow.append(2) }) }
let task3 = { Task<(), Value3, Error3>(value: .Default).on(success: { _ in flow.append(3) }) }

task1()._mapError(WrappedError.ByTask1)
.success { _ in
task2()._mapError(WrappedError.ByTask2)
}
.success { _ in
task3()._mapError(WrappedError.ByTask3)
}
.on(failure: { error, isCancelled in
guard case let .Some(.ByTask2(error2)) = error else {
XCTFail("Wrong WrappedError.")
return
}
XCTAssertEqual(error2, Error2.Default)
XCTAssertEqual(flow, [1])
expect.fulfill()
})

self.wait()
}
}

extension Task
{
/// Converts `Task<..., Error>` to `Task<..., WrappedError>`.
private func _mapError(f: Error -> WrappedError) -> Task<Progress, Value, WrappedError>
{
return self.failure { error, isCancelled -> Task<Progress, Value, WrappedError> in
if let error = error {
return Task<Progress, Value, WrappedError>(error: f(error))
}
else {
// converts external cancellation -> internal rejection
return Task<Progress, Value, WrappedError>(error: .Cancelled)
}
}
}
}