mirror of https://github.com/SnapKit/SnapKit
772 lines
29 KiB
Swift
772 lines
29 KiB
Swift
#if os(iOS) || os(tvOS)
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import UIKit
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typealias View = UIView
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extension View {
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var snp_constraints: [AnyObject] {
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return self.constraints
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.filter { $0 is LayoutConstraint }
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.filter { $0.isActive }
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}
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}
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#else
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import AppKit
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typealias View = NSView
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extension View {
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var snp_constraints: [AnyObject] {
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return self.constraints
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.filter { $0 is LayoutConstraint }
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.filter { $0.isActive }
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}
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}
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#endif
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import XCTest
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@testable import SnapKit
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class SnapKitTests: XCTestCase {
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let container = View()
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override func setUp() {
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super.setUp()
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// Put setup code here. This method is called before the invocation of each test method in the class.
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}
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override func tearDown() {
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// Put teardown code here. This method is called after the invocation of each test method in the class.
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super.tearDown()
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}
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func testMakeConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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v1.snp.makeConstraints { (make) -> Void in
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make.top.equalTo(v2.snp.top).offset(50)
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make.left.equalTo(v2.snp.top).offset(50)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
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v2.snp.makeConstraints { (make) -> Void in
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make.edges.equalTo(v1)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 6, "Should have 6 constraints installed")
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}
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func testHorizontalVerticalEdges() {
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let v1 = View()
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self.container.addSubview(v1)
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v1.snp.makeConstraints { (make) -> Void in
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make.verticalEdges.equalToSuperview()
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make.horizontalEdges.equalToSuperview()
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
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XCTAssertTrue(container.constraints.count == 4)
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XCTAssertTrue(container.constraints.allSatisfy { $0.firstItem === v1 && $0.secondItem === v1.superview })
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XCTAssertNotNil(container.constraints.first { $0.firstAttribute == .left && $0.secondAttribute == .left })
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XCTAssertNotNil(container.constraints.first { $0.firstAttribute == .right && $0.secondAttribute == .right })
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XCTAssertNotNil(container.constraints.first { $0.firstAttribute == .top && $0.secondAttribute == .top })
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XCTAssertNotNil(container.constraints.first { $0.firstAttribute == .bottom && $0.secondAttribute == .bottom })
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}
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func testHorizontalVerticalDirectionalEdges() {
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let v1 = View()
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self.container.addSubview(v1)
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v1.snp.makeConstraints { (make) -> Void in
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make.directionalVerticalEdges.equalToSuperview()
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make.directionalHorizontalEdges.equalToSuperview()
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
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XCTAssertTrue(container.constraints.count == 4)
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XCTAssertTrue(container.constraints.allSatisfy { $0.firstItem === v1 && $0.secondItem === v1.superview })
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XCTAssertNotNil(container.constraints.first { $0.firstAttribute == .leading && $0.secondAttribute == .leading })
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XCTAssertNotNil(container.constraints.first { $0.firstAttribute == .trailing && $0.secondAttribute == .trailing })
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XCTAssertNotNil(container.constraints.first { $0.firstAttribute == .top && $0.secondAttribute == .top })
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XCTAssertNotNil(container.constraints.first { $0.firstAttribute == .bottom && $0.secondAttribute == .bottom })
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}
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func testGuideMakeConstraints() {
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guard #available(iOS 9.0, OSX 10.11, *) else { return }
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let v1 = View()
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let g1 = ConstraintLayoutGuide()
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self.container.addSubview(v1)
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self.container.addLayoutGuide(g1)
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v1.snp.makeConstraints { (make) -> Void in
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make.top.equalTo(g1).offset(50)
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make.left.equalTo(g1.snp.top).offset(50)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
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g1.snp.makeConstraints { (make) -> Void in
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make.edges.equalTo(v1)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 6, "Should have 6 constraints installed")
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}
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func testMakeImpliedSuperviewConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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v1.snp.makeConstraints { (make) -> Void in
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make.top.equalTo(50.0)
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make.left.equalTo(50.0)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
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v2.snp.makeConstraints { (make) -> Void in
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make.edges.equalTo(v1)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 6, "Should have 6 constraints installed")
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}
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func testUpdateConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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v1.snp.makeConstraints { (make) -> Void in
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make.top.equalTo(v2.snp.top).offset(50)
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make.left.equalTo(v2.snp.top).offset(50)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
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v1.snp.updateConstraints { (make) -> Void in
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make.top.equalTo(v2.snp.top).offset(15)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should still have 2 constraints installed")
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}
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func testRemakeConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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v1.snp.makeConstraints { (make) -> Void in
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make.top.equalTo(v2.snp.top).offset(50)
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make.left.equalTo(v2.snp.top).offset(50)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
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v1.snp.remakeConstraints { (make) -> Void in
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make.edges.equalTo(v2)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
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}
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func testRemoveConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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v1.snp.makeConstraints { (make) -> Void in
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make.top.equalTo(v2).offset(50)
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make.left.equalTo(v2).offset(50)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
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print(self.container.snp_constraints)
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v1.snp.removeConstraints()
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print(self.container.snp_constraints)
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XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
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}
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func testPrepareConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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let constraints = v1.snp.prepareConstraints { (make) -> Void in
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make.edges.equalTo(v2)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
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for constraint in constraints {
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constraint.activate()
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
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for constraint in constraints {
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constraint.deactivate()
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}
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XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
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}
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func testReactivateConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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let constraints = v1.snp.prepareConstraints { (make) -> Void in
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make.edges.equalTo(v2)
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
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for constraint in constraints {
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constraint.activate()
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
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for constraint in constraints {
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constraint.deactivate()
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}
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XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
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}
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func testActivateDeactivateConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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var c1: Constraint? = nil
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var c2: Constraint? = nil
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v1.snp.prepareConstraints { (make) -> Void in
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c1 = make.top.equalTo(v2.snp.top).offset(50).constraint
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c2 = make.left.equalTo(v2.snp.top).offset(50).constraint
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints")
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c1?.activate()
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c2?.activate()
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
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c1?.deactivate()
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c2?.deactivate()
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XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints")
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c1?.activate()
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c2?.activate()
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
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}
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func testSetIsActivatedConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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var c1: Constraint? = nil
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var c2: Constraint? = nil
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v1.snp.prepareConstraints { (make) -> Void in
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c1 = make.top.equalTo(v2.snp.top).offset(50).constraint
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c2 = make.left.equalTo(v2.snp.top).offset(50).constraint
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints")
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c1?.isActive = true
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c2?.isActive = false
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XCTAssertEqual(self.container.snp_constraints.count, 1, "Should have 1 constraint")
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c1?.isActive = true
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c2?.isActive = true
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
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c1?.isActive = false
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c2?.isActive = false
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XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints")
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}
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func testEdgeConstraints() {
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let view = View()
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self.container.addSubview(view)
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view.snp.makeConstraints { (make) -> Void in
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make.edges.equalTo(self.container).offset(50.0)
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
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let constraints = self.container.snp_constraints as! [NSLayoutConstraint]
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XCTAssertEqual(constraints[0].constant, 50, "Should be 50")
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XCTAssertEqual(constraints[1].constant, 50, "Should be 50")
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XCTAssertEqual(constraints[2].constant, 50, "Should be 50")
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XCTAssertEqual(constraints[3].constant, 50, "Should be 50")
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}
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func testUpdateReferencedConstraints() {
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let v1 = View()
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let v2 = View()
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self.container.addSubview(v1)
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self.container.addSubview(v2)
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var c1: Constraint! = nil
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var c2: Constraint! = nil
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v1.snp.makeConstraints { (make) -> Void in
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c1 = make.top.equalTo(v2).offset(50).constraint
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c2 = make.bottom.equalTo(v2).offset(25).constraint
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return
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}
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
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let constraints = (self.container.snp_constraints as! [NSLayoutConstraint]).sorted { $0.constant > $1.constant }
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XCTAssertEqual(constraints[0].constant, 50, "Should be 50")
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XCTAssertEqual(constraints[1].constant, 25, "Should be 25")
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c1.update(offset: 15)
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c2.update(offset: 20)
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
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XCTAssertEqual(constraints[0].constant, 15, "Should be 15")
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XCTAssertEqual(constraints[1].constant, 20, "Should be 20")
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c1.update(inset: 15)
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c2.update(inset: 20)
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
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XCTAssertEqual(constraints[0].constant, 15, "Should be 15")
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XCTAssertEqual(constraints[1].constant, -20, "Should be -20")
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}
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func testInsetsAsConstraintsConstant() {
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let view = View()
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self.container.addSubview(view)
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view.snp.makeConstraints { (make) -> Void in
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make.edges.equalTo(self.container).inset(50.0)
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
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let constraints = (self.container.snp_constraints as! [NSLayoutConstraint]).sorted { $0.constant > $1.constant }
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XCTAssertEqual(constraints[0].constant, 50, "Should be 50")
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XCTAssertEqual(constraints[1].constant, 50, "Should be 50")
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XCTAssertEqual(constraints[2].constant, -50, "Should be -50")
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XCTAssertEqual(constraints[3].constant, -50, "Should be -50")
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}
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func testConstraintInsetsAsImpliedEqualToConstraints() {
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let view = View()
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self.container.addSubview(view)
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view.snp.makeConstraints { (make) -> Void in
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make.edges.equalTo(ConstraintInsets(top: 25, left: 25, bottom: 25, right: 25))
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
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let constraints = (self.container.snp_constraints as! [NSLayoutConstraint]).sorted { $0.constant > $1.constant }
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XCTAssertEqual(constraints[0].constant, 25, "Should be 25")
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XCTAssertEqual(constraints[1].constant, 25, "Should be 25")
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XCTAssertEqual(constraints[2].constant, -25, "Should be -25")
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XCTAssertEqual(constraints[3].constant, -25, "Should be -25")
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}
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func testConstraintInsetsAsConstraintsConstant() {
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let view = View()
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self.container.addSubview(view)
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view.snp.makeConstraints { (make) -> Void in
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make.edges.equalTo(self.container).inset(ConstraintInsets(top: 25, left: 25, bottom: 25, right: 25))
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
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let constraints = (self.container.snp_constraints as! [NSLayoutConstraint]).sorted { $0.constant > $1.constant }
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XCTAssertEqual(constraints[0].constant, 25, "Should be 25")
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XCTAssertEqual(constraints[1].constant, 25, "Should be 25")
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XCTAssertEqual(constraints[2].constant, -25, "Should be -25")
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XCTAssertEqual(constraints[3].constant, -25, "Should be -25")
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}
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#if os(iOS) || os(tvOS)
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@available(iOS 11.0, tvOS 11.0, *)
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func testConstraintDirectionalInsetsAsImpliedEqualToConstraints() {
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let view = View()
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self.container.addSubview(view)
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view.snp.makeConstraints { (make) -> Void in
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make.top.leading.bottom.trailing.equalTo(self.container).inset(ConstraintDirectionalInsets(top: 25, leading: 25, bottom: 25, trailing: 25))
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
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let constraints = (self.container.snp_constraints as! [NSLayoutConstraint]).sorted { $0.firstAttribute.rawValue < $1.firstAttribute.rawValue }
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let verify: (NSLayoutConstraint, NSLayoutConstraint.Attribute, CGFloat) -> Void = { constraint, attribute, constant in
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XCTAssertEqual(constraint.firstAttribute, attribute, "First attribute \(constraint.firstAttribute.rawValue) is not \(attribute.rawValue)")
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XCTAssertEqual(constraint.secondAttribute, attribute, "Second attribute \(constraint.secondAttribute.rawValue) is not \(attribute.rawValue)")
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XCTAssertEqual(constraint.constant, constant, "Attribute \(attribute.rawValue) should have constant \(constant)")
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}
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verify(constraints[0], .top, 25)
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verify(constraints[1], .bottom, -25)
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verify(constraints[2], .leading, 25)
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verify(constraints[3], .trailing, -25)
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}
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#endif
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#if os(iOS) || os(tvOS)
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@available(iOS 11.0, tvOS 11.0, *)
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func testConstraintDirectionalInsetsAsConstraintsConstant() {
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let view = View()
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self.container.addSubview(view)
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view.snp.makeConstraints { (make) -> Void in
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make.top.leading.bottom.trailing.equalTo(self.container).inset(ConstraintDirectionalInsets(top: 25, leading: 25, bottom: 25, trailing: 25))
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
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let constraints = (self.container.snp_constraints as! [NSLayoutConstraint]).sorted { $0.firstAttribute.rawValue < $1.firstAttribute.rawValue }
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let verify: (NSLayoutConstraint, NSLayoutConstraint.Attribute, CGFloat) -> Void = { constraint, attribute, constant in
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XCTAssertEqual(constraint.firstAttribute, attribute, "First attribute \(constraint.firstAttribute.rawValue) is not \(attribute.rawValue)")
|
|
XCTAssertEqual(constraint.secondAttribute, attribute, "Second attribute \(constraint.secondAttribute.rawValue) is not \(attribute.rawValue)")
|
|
XCTAssertEqual(constraint.constant, constant, "Attribute \(attribute.rawValue) should have constant \(constant)")
|
|
}
|
|
|
|
verify(constraints[0], .top, 25)
|
|
verify(constraints[1], .bottom, -25)
|
|
verify(constraints[2], .leading, 25)
|
|
verify(constraints[3], .trailing, -25)
|
|
}
|
|
#endif
|
|
|
|
#if os(iOS) || os(tvOS)
|
|
@available(iOS 11.0, tvOS 11.0, *)
|
|
func testConstraintDirectionalInsetsFallBackForNonDirectionalConstraints() {
|
|
let view = View()
|
|
self.container.addSubview(view)
|
|
|
|
view.snp.makeConstraints { (make) -> Void in
|
|
make.edges.equalTo(self.container).inset(ConstraintDirectionalInsets(top: 25, leading: 25, bottom: 25, trailing: 25))
|
|
}
|
|
|
|
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
|
|
|
|
|
|
let constraints = (self.container.snp_constraints as! [NSLayoutConstraint]).sorted { $0.firstAttribute.rawValue < $1.firstAttribute.rawValue }
|
|
|
|
let verify: (NSLayoutConstraint, NSLayoutConstraint.Attribute, CGFloat) -> Void = { constraint, attribute, constant in
|
|
XCTAssertEqual(constraint.firstAttribute, attribute, "First attribute \(constraint.firstAttribute.rawValue) is not \(attribute.rawValue)")
|
|
XCTAssertEqual(constraint.secondAttribute, attribute, "Second attribute \(constraint.secondAttribute.rawValue) is not \(attribute.rawValue)")
|
|
XCTAssertEqual(constraint.constant, constant, "Attribute \(attribute.rawValue) should have constant \(constant)")
|
|
}
|
|
|
|
verify(constraints[0], .left, 25)
|
|
verify(constraints[1], .right, -25)
|
|
verify(constraints[2], .top, 25)
|
|
verify(constraints[3], .bottom, -25)
|
|
}
|
|
#endif
|
|
|
|
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]
|
|
|
|
// no guarantee which order the constraints are in, but we should test their couple
|
|
let widthHeight = (LayoutAttribute.width.rawValue, LayoutAttribute.height.rawValue)
|
|
let heightWidth = (widthHeight.1, widthHeight.0)
|
|
let firstSecond = (constraints[0].firstAttribute.rawValue, constraints[1].firstAttribute.rawValue)
|
|
|
|
// constraint values are correct in either width, height or height, width order
|
|
XCTAssertTrue(firstSecond == widthHeight || firstSecond == heightWidth, "2 contraint values should match")
|
|
XCTAssertEqual(constraints[0].constant, 50, "Should be 50")
|
|
XCTAssertEqual(constraints[1].constant, 50, "Should be 50")
|
|
}
|
|
|
|
func testCenterConstraints() {
|
|
let view = View()
|
|
self.container.addSubview(view)
|
|
|
|
view.snp.makeConstraints { (make) -> Void in
|
|
make.center.equalTo(self.container).offset(50.0)
|
|
}
|
|
|
|
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
|
|
|
|
|
|
if let constraints = self.container.snp_constraints as? [NSLayoutConstraint], constraints.count > 0 {
|
|
|
|
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 testEdgesToEdges() {
|
|
var fromAttributes = Set<LayoutAttribute>()
|
|
var toAttributes = Set<LayoutAttribute>()
|
|
|
|
let view = View()
|
|
self.container.addSubview(view)
|
|
|
|
view.snp.remakeConstraints { (make) -> Void in
|
|
make.edges.equalTo(self.container.snp.edges)
|
|
}
|
|
|
|
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
|
|
|
|
for constraint in (container.snp_constraints as! [NSLayoutConstraint]) {
|
|
fromAttributes.insert(constraint.firstAttribute)
|
|
toAttributes.insert(constraint.secondAttribute)
|
|
}
|
|
|
|
XCTAssert(fromAttributes == [.top, .left, .bottom, .right])
|
|
XCTAssert(toAttributes == [.top, .left, .bottom, .right])
|
|
}
|
|
|
|
func testDirectionalEdgesToDirectionalEdges() {
|
|
var fromAttributes = Set<LayoutAttribute>()
|
|
var toAttributes = Set<LayoutAttribute>()
|
|
|
|
let view = View()
|
|
self.container.addSubview(view)
|
|
|
|
view.snp.remakeConstraints { (make) -> Void in
|
|
make.directionalEdges.equalTo(self.container.snp.directionalEdges)
|
|
}
|
|
|
|
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
|
|
|
|
for constraint in (container.snp_constraints as! [NSLayoutConstraint]) {
|
|
fromAttributes.insert(constraint.firstAttribute)
|
|
toAttributes.insert(constraint.secondAttribute)
|
|
}
|
|
|
|
XCTAssert(fromAttributes == [.top, .leading, .bottom, .trailing])
|
|
XCTAssert(toAttributes == [.top, .leading, .bottom, .trailing])
|
|
}
|
|
|
|
#if os(iOS) || os(tvOS)
|
|
func testEdgesToMargins() {
|
|
var fromAttributes = Set<LayoutAttribute>()
|
|
var toAttributes = Set<LayoutAttribute>()
|
|
|
|
let view = View()
|
|
self.container.addSubview(view)
|
|
|
|
view.snp.remakeConstraints { (make) -> Void in
|
|
make.edges.equalTo(self.container.snp.margins)
|
|
}
|
|
|
|
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
|
|
|
|
for constraint in (container.snp_constraints as! [NSLayoutConstraint]) {
|
|
fromAttributes.insert(constraint.firstAttribute)
|
|
toAttributes.insert(constraint.secondAttribute)
|
|
}
|
|
|
|
XCTAssert(fromAttributes == [.top, .left, .bottom, .right])
|
|
XCTAssert(toAttributes == [.topMargin, .leftMargin, .bottomMargin, .rightMargin])
|
|
|
|
fromAttributes.removeAll()
|
|
toAttributes.removeAll()
|
|
|
|
view.snp.remakeConstraints { (make) -> Void in
|
|
make.margins.equalTo(self.container.snp.edges)
|
|
}
|
|
|
|
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
|
|
|
|
for constraint in (container.snp_constraints as! [NSLayoutConstraint]) {
|
|
fromAttributes.insert(constraint.firstAttribute)
|
|
toAttributes.insert(constraint.secondAttribute)
|
|
}
|
|
|
|
XCTAssert(toAttributes == [.top, .left, .bottom, .right])
|
|
XCTAssert(fromAttributes == [.topMargin, .leftMargin, .bottomMargin, .rightMargin])
|
|
|
|
}
|
|
|
|
func testDirectionalEdgesToDirectionalMargins() {
|
|
var fromAttributes = Set<LayoutAttribute>()
|
|
var toAttributes = Set<LayoutAttribute>()
|
|
|
|
let view = View()
|
|
self.container.addSubview(view)
|
|
|
|
view.snp.remakeConstraints { (make) -> Void in
|
|
make.directionalEdges.equalTo(self.container.snp.directionalMargins)
|
|
}
|
|
|
|
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
|
|
|
|
for constraint in (container.snp_constraints as! [NSLayoutConstraint]) {
|
|
fromAttributes.insert(constraint.firstAttribute)
|
|
toAttributes.insert(constraint.secondAttribute)
|
|
}
|
|
|
|
XCTAssert(fromAttributes == [.top, .leading, .bottom, .trailing])
|
|
XCTAssert(toAttributes == [.topMargin, .leadingMargin, .bottomMargin, .trailingMargin])
|
|
|
|
fromAttributes.removeAll()
|
|
toAttributes.removeAll()
|
|
|
|
view.snp.remakeConstraints { (make) -> Void in
|
|
make.directionalMargins.equalTo(self.container.snp.directionalEdges)
|
|
}
|
|
|
|
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints")
|
|
|
|
for constraint in (container.snp_constraints as! [NSLayoutConstraint]) {
|
|
fromAttributes.insert(constraint.firstAttribute)
|
|
toAttributes.insert(constraint.secondAttribute)
|
|
}
|
|
|
|
XCTAssert(toAttributes == [.top, .leading, .bottom, .trailing])
|
|
XCTAssert(fromAttributes == [.topMargin, .leadingMargin, .bottomMargin, .trailingMargin])
|
|
|
|
}
|
|
|
|
func testLayoutGuideConstraints() {
|
|
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.topLayoutGuide.snp.bottom)
|
|
make.bottom.equalTo(vc.bottomLayoutGuide.snp.top)
|
|
}
|
|
|
|
XCTAssertEqual(vc.view.snp_constraints.count, 2, "Should have 2 constraints installed")
|
|
}
|
|
#endif
|
|
|
|
func testCanSetLabel() {
|
|
self.container.snp.setLabel("Hello World")
|
|
|
|
XCTAssertEqual(self.container.snp.label(), "Hello World")
|
|
}
|
|
|
|
func testPriorityShortcuts() {
|
|
let view = View()
|
|
self.container.addSubview(view)
|
|
|
|
view.snp.remakeConstraints { make in
|
|
make.left.equalTo(1000.0).priority(.required)
|
|
}
|
|
XCTAssertEqual(self.container.snp_constraints.count, 1, "Should have 1 constraint")
|
|
XCTAssertEqual(self.container.snp_constraints.first?.priority, ConstraintPriority.required.value)
|
|
|
|
view.snp.remakeConstraints { make in
|
|
make.left.equalTo(1000.0).priority(.low)
|
|
}
|
|
XCTAssertEqual(self.container.snp_constraints.count, 1, "Should have 1 constraint")
|
|
XCTAssertEqual(self.container.snp_constraints.first?.priority, ConstraintPriority.low.value)
|
|
|
|
view.snp.remakeConstraints { make in
|
|
make.left.equalTo(1000.0).priority(ConstraintPriority.low.value + 1)
|
|
}
|
|
XCTAssertEqual(self.container.snp_constraints.count, 1, "Should have 1 constraint")
|
|
XCTAssertEqual(self.container.snp_constraints.first?.priority, ConstraintPriority.low.value + 1)
|
|
}
|
|
|
|
func testPriorityStride() {
|
|
let highPriority: ConstraintPriority = .high
|
|
let higherPriority: ConstraintPriority = ConstraintPriority.high.advanced(by: 1)
|
|
XCTAssertEqual(higherPriority.value, highPriority.value + 1)
|
|
}
|
|
}
|