SnapKit/Tests/Tests.swift

214 lines
6.3 KiB
Swift

#if os(iOS)
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
import Snap
class SnapTests: 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 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)
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.install()
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
for constraint in constraints {
constraint.uninstall()
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
}
func testReinstallConstraints() {
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.install()
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
for constraint in constraints {
constraint.install()
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "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?.uninstall()
c2?.uninstall()
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")
}
}