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Add test for solid color backgrounds

This commit is contained in:
Simon 2018-12-12 23:37:14 +08:00
parent e24148e2e5
commit d275068fc9
4 changed files with 41 additions and 5 deletions
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8
PlaceholderKit.xcodeproj/project.pbxproj
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@ -15,6 +15,7 @@
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@ -39,6 +40,7 @@
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@ -113,6 +115,7 @@
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F444B6A021C15FF90042E6F2 /* PlaceholderFactoryTests.swift */,
);
path = Tests;
sourceTree = "<group>";
@ -183,6 +186,7 @@
};
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@ -239,6 +243,7 @@
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buildActionMask = 2147483647;
files = (
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runOnlyForDeploymentPostprocessing = 0;
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@ -440,6 +445,7 @@
baseConfigurationReference = F444B68E21C104900042E6F2 /* Universal-Target-Base.xcconfig */;
buildSettings = {
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@ -451,6 +457,7 @@
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@ -460,6 +467,7 @@
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4
Source/PlaceholderKit.swift
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@ -16,10 +16,6 @@ typealias Color = UIColor
typealias Image = UIImage
#endif
public struct PlaceholderKit {
}
public struct PlaceholderFactory {
let settings: PlaceholderSettings

2
Source/UIImage+Placeholder.swift
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@ -12,7 +12,7 @@ import UIKit
extension UIImage {
static func createPlaceholder(withColor color: UIColor, size: CGSize) -> UIImage? {
let rect = CGRect(origin: .zero, size: size)
UIGraphicsBeginImageContextWithOptions(rect.size, false, 0.0)
UIGraphicsBeginImageContextWithOptions(rect.size, false, 1.0)
color.setFill()
UIRectFill(rect)
let image = UIGraphicsGetImageFromCurrentImageContext()

32
Tests/PlaceholderFactoryTests.swift Normal file
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@ -0,0 +1,32 @@
//
// PlaceholderFactoryTests.swift
// PlaceholderKitTests
//
// Created by Simon Lee on 12/12/18.
// Copyright © 2018 Shao Ping Lee. All rights reserved.
//
import XCTest
@testable import PlaceholderKit
class PlaceholderFactoryTests: XCTestCase {
var factory: PlaceholderFactory?
func testSolidColor() {
// Given a valid setting
let outputSize = CGSize(width: 1600, height: 900)
let settings = PlaceholderSettings(size: outputSize,
background: .solidColor(Color(red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0)),
showDimensionAsText: true,
convertDimensionToAspectRatio: true)
factory = PlaceholderFactory(settings: settings)
let placeholder = factory?.createPlaceholder()
// output should not be nil
XCTAssertNotNil(placeholder)
// output should have the correct size
XCTAssert(placeholder!.size == outputSize, "Expected output to have size: \(outputSize), got \(placeholder!.size)")
}
}