mirror of https://github.com/SnapKit/SnapKit
170 lines
5.0 KiB
Swift
170 lines
5.0 KiB
Swift
//
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// SnapTests.swift
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// SnapTests
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//
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// Created by Robert Payne on 20/09/14.
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// Copyright (c) 2014 Jonas Budelmann. All rights reserved.
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//
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import UIKit
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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 = UIView()
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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 = UIView()
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let v2 = UIView()
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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.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.constraints().count, 6, "Should have 6 constraints installed")
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}
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func testUpdateConstraints() {
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let v1 = UIView()
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let v2 = UIView()
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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.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.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 = UIView()
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let v2 = UIView()
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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.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.constraints().count, 4, "Should have 4 constraints installed")
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}
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func testRemoveConstraints() {
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let v1 = UIView()
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let v2 = UIView()
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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.constraints().count, 2, "Should have 2 constraints installed")
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v1.snp_removeConstraints()
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XCTAssertEqual(self.container.constraints().count, 0, "Should have 0 constraints installed")
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}
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func testPrepareConstraints() {
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let v1 = UIView()
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let v2 = UIView()
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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.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.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.constraints().count, 0, "Should have 0 constraints installed")
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}
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func testReinstallConstraints() {
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let v1 = UIView()
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let v2 = UIView()
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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.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.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.constraints().count, 4, "Should have 0 constraints installed")
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}
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}
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