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Simplify color parser tests

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This commit is contained in:
Sven Weidauer 2020-12-31 20:16:41 +01:00
parent d660c40793
commit 4406619c84
1 changed files with 16 additions and 22 deletions
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38
Tests/MakeColorsTests/ColorParserTest.swift
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@ -3,68 +3,62 @@ import XCTest
final class ColorParserTest: XCTestCase { final class ColorParserTest: XCTestCase {
func testScanningThreeDigitColor() throws { func testScanningThreeDigitColor() throws {
let scanner = Scanner(string: "#abc") let color = scanColor("#abc")
let color = scanner.color()
XCTAssertEqual(Color(red: 0xAA, green: 0xBB, blue: 0xCC), color) XCTAssertEqual(Color(red: 0xAA, green: 0xBB, blue: 0xCC), color)
} }
func testScanningThreeDigitColorUppercase() throws { func testScanningThreeDigitColorUppercase() throws {
let scanner = Scanner(string: "#ABc") let color = scanColor("#ABc")
let color = scanner.color()
XCTAssertEqual(Color(red: 0xAA, green: 0xBB, blue: 0xCC), color) XCTAssertEqual(Color(red: 0xAA, green: 0xBB, blue: 0xCC), color)
} }
func testScanningFourDigitColor() throws { func testScanningFourDigitColor() throws {
let scanner = Scanner(string: "#abcd") let color = scanColor("#abcd")
let color = scanner.color()
XCTAssertEqual(Color(red: 0xAA, green: 0xBB, blue: 0xCC, alpha: 0xDD), color) XCTAssertEqual(Color(red: 0xAA, green: 0xBB, blue: 0xCC, alpha: 0xDD), color)
} }
func testScanningSixDigitColor() throws { func testScanningSixDigitColor() throws {
let scanner = Scanner(string: "#abcdef") let color = scanColor("#abcdef")
let color = scanner.color()
XCTAssertEqual(Color(red: 0xAB, green: 0xCD, blue: 0xEF), color) XCTAssertEqual(Color(red: 0xAB, green: 0xCD, blue: 0xEF), color)
} }
func testScanningEightDigitColor() throws { func testScanningEightDigitColor() throws {
let scanner = Scanner(string: "#abcdef17") let color = scanColor("#abcdef17")
let color = scanner.color()
XCTAssertEqual(Color(red: 0xAB, green: 0xCD, blue: 0xEF, alpha: 0x17), color) XCTAssertEqual(Color(red: 0xAB, green: 0xCD, blue: 0xEF, alpha: 0x17), color)
} }
func testScanningRGBColor() throws { func testScanningRGBColor() throws {
let scanner = Scanner(string: "rgb(1,2,3)") let color = scanColor("rgb(1,2,3)")
let color = scanner.color()
XCTAssertEqual(Color(red: 1, green: 2, blue: 3), color) XCTAssertEqual(Color(red: 1, green: 2, blue: 3), color)
} }
func testScanningRGBAColor() throws { func testScanningRGBAColor() throws {
let scanner = Scanner(string: "rgba(1,2,3,4)") let color = scanColor("rgba(1,2,3,4)")
let color = scanner.color()
XCTAssertEqual(Color(red: 1, green: 2, blue: 3, alpha: 4), color) XCTAssertEqual(Color(red: 1, green: 2, blue: 3, alpha: 4), color)
} }
func testScanningWhite() throws { func testScanningWhite() throws {
let scanner = Scanner(string: "white(255)") let color = scanColor("white(255)")
let color = scanner.color()
XCTAssertEqual(Color(red: 255, green: 255, blue: 255, alpha: 255), color) XCTAssertEqual(Color(red: 255, green: 255, blue: 255, alpha: 255), color)
} }
func testScanningWhiteWithAlpha() throws { func testScanningWhiteWithAlpha() throws {
let scanner = Scanner(string: "white(255, 128)") let color = scanColor("white(255, 128)")
let color = scanner.color()
XCTAssertEqual(Color(red: 255, green: 255, blue: 255, alpha: 128), color) XCTAssertEqual(Color(red: 255, green: 255, blue: 255, alpha: 128), color)
} }
func testWhiteFailsWithoutArguments() throws { func testWhiteFailsWithoutArguments() throws {
let scanner = Scanner(string: "white()") let color = scanColor("white()")
let color = scanner.color()
XCTAssertNil(color) XCTAssertNil(color)
} }
func testWhiteFailsWith3Arguments() throws { func testWhiteFailsWith3Arguments() throws {
let scanner = Scanner(string: "white(1,2,3)") let color = scanColor("white(1,2,3)")
let color = scanner.color()
XCTAssertNil(color) XCTAssertNil(color)
} }
private func scanColor(_ input: String) -> Color? {
let scanner = Scanner(string: input)
return scanner.color()
}
} }