DestructionCountdownViewTests.swift

//
// Wire
// Copyright (C) 2016 Wire Swiss GmbH
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see http://www.gnu.org/licenses/.
//

import XCTest
@testable import Wire

final class DestructionCountdownViewTests: ZMSnapshotTestCase {

    var sut: DestructionCountdownView!

    override func setUp() {
        super.setUp()
    }

    override func tearDown() {
        resetColorScheme()
        sut = nil
        super.tearDown()
    }

    func prepareSut(variant: ColorSchemeVariant = .light) {
        ColorScheme.default.variant = variant
        sut = DestructionCountdownView(frame: CGRect(x: 0, y: 0, width: 100, height: 100))
        sut.backgroundColor = UIColor.from(scheme: .contentBackground)
    }

    func testThatItRendersCorrectlyInInitialState() {
        prepareSut()

        sut.setNeedsLayout()
        sut.layoutIfNeeded()
        verify(view: sut)
    }

    func testThatItRendersCorrectly_80_Percent_Progress() {
        prepareSut()

        sut.setProgress(0.8)
        sut.setNeedsLayout()
        sut.layoutIfNeeded()
        verify(view: sut)
    }

    func testThatItRendersCorrectly_60_Percent_Progress() {
        prepareSut()

        sut.setProgress(0.6)
        sut.setNeedsLayout()
        sut.layoutIfNeeded()
        verify(view: sut)
    }

    func testThatItRendersCorrectly_50_Percent_Progress() {
        prepareSut()

        sut.setProgress(0.5)
        sut.setNeedsLayout()
        sut.layoutIfNeeded()
        verify(view: sut)
    }

    func testThatItRendersCorrectly_40_Percent_Progress() {
        prepareSut()

        sut.setProgress(0.4)
        sut.setNeedsLayout()
        sut.layoutIfNeeded()
        verify(view: sut)    }

    func testThatItRendersCorrectly_20_Percent_Progress() {
        prepareSut()

        sut.setProgress(0.2)
        sut.setNeedsLayout()
        sut.layoutIfNeeded()
        verify(view: sut)
    }

    func testThatItRendersCorrectly_0_Percent_Progress() {
        prepareSut()

        sut.setProgress(0)
        sut.setNeedsLayout()
        sut.layoutIfNeeded()
        verify(view: sut)
    }

    func testThatItAnimatesProgress() {
        prepareSut()

        sut.startAnimating(duration: 5, currentProgress: 0.2)
        XCTAssertTrue(sut.isAnimatingProgress)

        sut.stopAnimating()
        XCTAssertFalse(sut.isAnimatingProgress)
    }

    func testThatItRendersCorrectly_80_Percent_Progress_in_dark_theme() {
        prepareSut(variant: .dark)

        sut.setProgress(0.8)
        sut.setNeedsLayout()
        sut.layoutIfNeeded()
        verify(view: sut)
    }
}