mirror of https://github.com/SnapKit/SnapKit
376 lines
13 KiB
Swift
376 lines
13 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] { return self.constraints }
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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] { return self.constraints }
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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 testLayoutGuideConstraints() {
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#if os(iOS) || os(tvOS)
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let vc = UIViewController()
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vc.view = UIView(frame: CGRect(x: 0, y: 0, width: 300, height: 300))
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vc.view.addSubview(self.container)
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self.container.snp.makeConstraints { (make) -> Void in
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make.top.equalTo(vc.snp.topLayoutGuideBottom)
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make.bottom.equalTo(vc.snp.bottomLayoutGuideTop)
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}
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XCTAssertEqual(vc.view.snp_constraints.count, 6, "Should have 6 constraints installed")
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#endif
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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 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.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.removeConstraints()
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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 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 testSizeConstraints() {
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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.size.equalTo(CGSize(width: 50, height: 50))
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make.left.top.equalTo(self.container)
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}
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XCTAssertEqual(view.snp_constraints.count, 2, "Should have 2 constraints")
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XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
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let constraints = view.snp_constraints as! [NSLayoutConstraint]
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// no guarantee which order the constraints are in, but we should test their couple
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let widthHeight = (NSLayoutAttribute.width.rawValue, NSLayoutAttribute.height.rawValue)
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let heightWidth = (widthHeight.1, widthHeight.0)
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let firstSecond = (constraints[0].firstAttribute.rawValue, constraints[1].firstAttribute.rawValue)
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// constraint values are correct in either width, height or height, width order
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XCTAssertTrue(firstSecond == widthHeight || firstSecond == heightWidth, "2 contraint values should match")
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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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}
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func testCenterConstraints() {
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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.center.equalTo(self.container).offset(50.0)
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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]
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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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}
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func testConstraintIdentifier() {
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let identifier = "Test-Identifier"
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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.equalTo(self.container.snp.top).labeled(identifier)
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}
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let constraints = container.snp_constraints as! [NSLayoutConstraint]
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XCTAssertEqual(constraints[0].identifier, identifier, "Identifier should be 'Test'")
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}
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//
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//// func testSuperviewConstraints() {
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//// let view = View()
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////
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//// container.addSubview(view)
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////
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//// view.snp.makeConstraints { (make) -> Void in
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//// make.top.equalToSuperview().inset(10)
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//// make.bottom.equalToSuperview().inset(10)
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//// }
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////
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//// XCTAssertEqual(container.snp_constraints.count, 2, "Should have 2 constraints")
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////
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//// let constraints = container.snp_constraints as! [NSLayoutConstraint]
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////
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//// XCTAssertEqual(constraints[0].firstAttribute, NSLayoutAttribute.top, "Should be top")
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//// XCTAssertEqual(constraints[1].firstAttribute, NSLayoutAttribute.bottom, "Should be bottom")
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////
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//// XCTAssertEqual(constraints[0].secondAttribute, NSLayoutAttribute.top, "Should be top")
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//// XCTAssertEqual(constraints[1].secondAttribute, NSLayoutAttribute.bottom, "Should be bottom")
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////
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//// XCTAssertEqual(constraints[0].firstItem as? View, view, "Should be added subview")
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//// XCTAssertEqual(constraints[1].firstItem as? View, view, "Should be added subview")
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////
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//// XCTAssertEqual(constraints[0].secondItem as? View, container, "Should be containerView")
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//// XCTAssertEqual(constraints[1].secondItem as? View, container, "Should be containerView")
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////
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//// XCTAssertEqual(constraints[0].constant, 10, "Should be 10")
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//// XCTAssertEqual(constraints[1].constant, -10, "Should be 10")
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//// }
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//
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//// func testNativeConstraints() {
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//// let view = View()
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////
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//// container.addSubview(view)
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////
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//// var topNativeConstraints: [LayoutConstraint]!
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//// var topNativeConstraint: LayoutConstraint?
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//// var sizeNativeConstraints: [LayoutConstraint]!
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//// view.snp_makeConstraints { (make) -> Void in
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//// let topConstraint = make.top.equalToSuperview().inset(10).constraint
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//// topNativeConstraints = topConstraint.layoutConstraints
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//// topNativeConstraint = topConstraint.layoutConstraints.first
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//// let sizeConstraints = make.size.equalTo(50).constraint
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//// sizeNativeConstraints = sizeConstraints.layoutConstraints
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//// }
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////
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//// XCTAssertEqual(topNativeConstraints.count, 1, "make.top should creates one native constraint")
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//// XCTAssertEqual(topNativeConstraint?.constant, 10, "topNativeConstraint.constant is set to 10")
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//// XCTAssertEqual(sizeNativeConstraints.count, 2, "make.tosize should create two native constraint")
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//// XCTAssertEqual(sizeNativeConstraints[0].constant, 50, "sizeNativeConstraints should set size[0] to 50")
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//// XCTAssertEqual(sizeNativeConstraints[1].constant, 50, "sizeNativeConstraints should set size[1] to 50")
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//// }
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}
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