SnapKit/Tests/Tests.swift

316 lines
11 KiB
Swift

#if os(iOS) || os(tvOS)
import UIKit
typealias View = UIView
extension View {
var snp_constraints: [AnyObject] { return self.constraints }
}
#else
import AppKit
typealias View = NSView
extension View {
var snp_constraints: [AnyObject] { return self.constraints }
}
#endif
import XCTest
@testable import SnapKit
class SnapKitTests: XCTestCase {
let container = View()
override func setUp() {
super.setUp()
// Put setup code here. This method is called before the invocation of each test method in the class.
}
override func tearDown() {
// Put teardown code here. This method is called after the invocation of each test method in the class.
super.tearDown()
}
func testLayoutGuideConstraints() {
#if os(iOS) || os(tvOS)
let vc = UIViewController()
vc.view = UIView(frame: CGRect(x: 0, y: 0, width: 300, height: 300))
vc.view.addSubview(self.container)
self.container.snp.makeConstraints { (make) -> Void in
make.top.equalTo(vc.snp.topLayoutGuideBottom)
make.bottom.equalTo(vc.snp.bottomLayoutGuideTop)
}
XCTAssertEqual(vc.view.snp_constraints.count, 6, "Should have 6 constraints installed")
#endif
}
func testMakeConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
v1.snp.makeConstraints { (make) -> Void in
make.top.equalTo(v2.snp.top).offset(50)
make.left.equalTo(v2.snp.top).offset(50)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
v2.snp.makeConstraints { (make) -> Void in
make.edges.equalTo(v1)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 6, "Should have 6 constraints installed")
}
func testUpdateConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
print(v1)
v1.snp.makeConstraints { (make) -> Void in
make.top.equalTo(v2.snp.top).offset(50)
make.left.equalTo(v2.snp.top).offset(50)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
v1.snp.updateConstraints { (make) -> Void in
make.top.equalTo(v2.snp.top).offset(15)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should still have 2 constraints installed")
}
func testRemakeConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
v1.snp.makeConstraints { (make) -> Void in
make.top.equalTo(v2.snp.top).offset(50)
make.left.equalTo(v2.snp.top).offset(50)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
v1.snp.remakeConstraints { (make) -> Void in
make.edges.equalTo(v2)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
}
func testRemoveConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
v1.snp.makeConstraints { (make) -> Void in
make.top.equalTo(v2.snp.top).offset(50)
make.left.equalTo(v2.snp.top).offset(50)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
v1.snp.removeConstraints()
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
}
func testPrepareConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
let constraints = v1.snp.prepareConstraints { (make) -> Void in
make.edges.equalTo(v2)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
for constraint in constraints {
constraint.activate()
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
for constraint in constraints {
constraint.deactivate()
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
}
func testReactivateConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
let constraints = v1.snp.prepareConstraints { (make) -> Void in
make.edges.equalTo(v2)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
for constraint in constraints {
constraint.activate()
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
for constraint in constraints {
constraint.deactivate()
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
}
func testActivateDeactivateConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
var c1: Constraint? = nil
var c2: Constraint? = nil
v1.snp.prepareConstraints { (make) -> Void in
c1 = make.top.equalTo(v2.snp.top).offset(50).constraint
c2 = make.left.equalTo(v2.snp.top).offset(50).constraint
return
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints")
c1?.activate()
c2?.activate()
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
c1?.deactivate()
c2?.deactivate()
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints")
c1?.activate()
c2?.activate()
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
}
func testSizeConstraints() {
let view = View()
self.container.addSubview(view)
view.snp.makeConstraints { (make) -> Void in
make.size.equalTo(CGSize(width: 50, height: 50))
make.left.top.equalTo(self.container)
}
XCTAssertEqual(view.snp_constraints.count, 2, "Should have 2 constraints")
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
let constraints = view.snp_constraints as! [NSLayoutConstraint]
XCTAssertEqual(constraints[0].firstAttribute.rawValue, NSLayoutAttribute.width.rawValue, "Should be width")
XCTAssertEqual(constraints[1].firstAttribute.rawValue, NSLayoutAttribute.height.rawValue, "Should be height")
XCTAssertEqual(constraints[0].constant, 50, "Should be 50")
XCTAssertEqual(constraints[1].constant, 50, "Should be 50")
}
func testConstraintIdentifier() {
let identifier = "Test-Identifier"
let view = View()
self.container.addSubview(view)
view.snp.makeConstraints { (make) -> Void in
make.top.equalTo(self.container.snp.top).labeled(identifier)
}
let constraints = container.snp_constraints as! [NSLayoutConstraint]
XCTAssertEqual(constraints[0].identifier, identifier, "Identifier should be 'Test'")
}
//
//// func testSuperviewConstraints() {
//// let view = View()
////
//// container.addSubview(view)
////
//// view.snp.makeConstraints { (make) -> Void in
//// make.top.equalToSuperview().inset(10)
//// make.bottom.equalToSuperview().inset(10)
//// }
////
//// XCTAssertEqual(container.snp_constraints.count, 2, "Should have 2 constraints")
////
//// let constraints = container.snp_constraints as! [NSLayoutConstraint]
////
//// XCTAssertEqual(constraints[0].firstAttribute, NSLayoutAttribute.top, "Should be top")
//// XCTAssertEqual(constraints[1].firstAttribute, NSLayoutAttribute.bottom, "Should be bottom")
////
//// XCTAssertEqual(constraints[0].secondAttribute, NSLayoutAttribute.top, "Should be top")
//// XCTAssertEqual(constraints[1].secondAttribute, NSLayoutAttribute.bottom, "Should be bottom")
////
//// XCTAssertEqual(constraints[0].firstItem as? View, view, "Should be added subview")
//// XCTAssertEqual(constraints[1].firstItem as? View, view, "Should be added subview")
////
//// XCTAssertEqual(constraints[0].secondItem as? View, container, "Should be containerView")
//// XCTAssertEqual(constraints[1].secondItem as? View, container, "Should be containerView")
////
//// XCTAssertEqual(constraints[0].constant, 10, "Should be 10")
//// XCTAssertEqual(constraints[1].constant, -10, "Should be 10")
//// }
//
//// func testNativeConstraints() {
//// let view = View()
////
//// container.addSubview(view)
////
//// var topNativeConstraints: [LayoutConstraint]!
//// var topNativeConstraint: LayoutConstraint?
//// var sizeNativeConstraints: [LayoutConstraint]!
//// view.snp_makeConstraints { (make) -> Void in
//// let topConstraint = make.top.equalToSuperview().inset(10).constraint
//// topNativeConstraints = topConstraint.layoutConstraints
//// topNativeConstraint = topConstraint.layoutConstraints.first
//// let sizeConstraints = make.size.equalTo(50).constraint
//// sizeNativeConstraints = sizeConstraints.layoutConstraints
//// }
////
//// XCTAssertEqual(topNativeConstraints.count, 1, "make.top should creates one native constraint")
//// XCTAssertEqual(topNativeConstraint?.constant, 10, "topNativeConstraint.constant is set to 10")
//// XCTAssertEqual(sizeNativeConstraints.count, 2, "make.tosize should create two native constraint")
//// XCTAssertEqual(sizeNativeConstraints[0].constant, 50, "sizeNativeConstraints should set size[0] to 50")
//// XCTAssertEqual(sizeNativeConstraints[1].constant, 50, "sizeNativeConstraints should set size[1] to 50")
//// }
}