mirror of https://github.com/SnapKit/SnapKit
214 lines
6.3 KiB
Swift
214 lines
6.3 KiB
Swift
#if os(iOS)
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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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import Snap
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class SnapTests: 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 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.install()
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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.uninstall()
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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 testReinstallConstraints() {
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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.install()
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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.install()
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}
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XCTAssertEqual(self.container.snp_constraints.count, 4, "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?.uninstall()
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c2?.uninstall()
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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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}
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