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import XCTest
@testable import HTMLString
///
/// Tests HTML escaping/unescaping.
///
class HTMLStringTests: XCTestCase {
// MARK: - Escaping
/// Tests escaping a string for ASCII.
func testStringASCIIEscaping() {
let namedEscape = ("Fish & Chips").addingASCIIEntities
XCTAssertEqual(namedEscape, "Fish & Chips")
let namedDualEscape = ("a ⪰̸ b").addingASCIIEntities
XCTAssertEqual(namedDualEscape, "a ⪰̸ b")
let emojiEscape = ("Hey 🙃").addingASCIIEntities
XCTAssertEqual(emojiEscape, "Hey 🙃")
let doubleEmojiEscape = ("Going to the 🇺🇸 next June").addingASCIIEntities
XCTAssertEqual(doubleEmojiEscape, "Going to the 🇺🇸 next June")
}
/// Tests escaping a string for Unicode.
func testStringUnicodeEscaping() {
let requiredEscape = ("Fish & Chips").addingUnicodeEntities
XCTAssertEqual(requiredEscape, "Fish & Chips")
let namedDualEscape = ("a ⪰̸ b").addingUnicodeEntities
XCTAssertEqual(namedDualEscape, "a ⪰̸ b")
let emojiEscape = ("Hey 🙃!").addingUnicodeEntities
XCTAssertEqual(emojiEscape, "Hey 🙃!")
let doubleEmojiEscape = ("Going to the 🇺🇸 next June").addingUnicodeEntities
XCTAssertEqual(doubleEmojiEscape, "Going to the 🇺🇸 next June")
}
// MARK: - Unescaping
/// Tests unescaping strings.
func testUnescaping() {
let withoutMarker = "Hello, world.".removingHTMLEntities
XCTAssertEqual(withoutMarker, "Hello, world.")
let noSemicolon = "Fish & Chips".removingHTMLEntities
XCTAssertEqual(noSemicolon, "Fish & Chips")
let decimal = "My phone number starts with a 1".removingHTMLEntities
XCTAssertEqual(decimal, "My phone number starts with a 1")
let invalidDecimal = "My phone number starts with a _9;!".removingHTMLEntities
XCTAssertEqual(invalidDecimal, "My phone number starts with a _9;!")
let hex = "Let's meet at the café".removingHTMLEntities
XCTAssertEqual(hex, "Let's meet at the café")
let invalidHex = "Let's meet at the caf&#xzi;!".removingHTMLEntities
XCTAssertEqual(invalidHex, "Let's meet at the caf&#xzi;!")
let invalidUnicodePoint = "What is this character ? -> �".removingHTMLEntities
XCTAssertEqual(invalidUnicodePoint, "What is this character ? -> �")
let badSequence = "I love &swift;".removingHTMLEntities
XCTAssertEqual(badSequence, "I love &swift;")
let goodSequence = "Do you know ℵ?".removingHTMLEntities
XCTAssertEqual(goodSequence, "Do you know ℵ?")
let twoSequences = "a && b".removingHTMLEntities
XCTAssertEqual(twoSequences, "a && b")
let doubleEmojiEscape = ("Going to the 🇺🇸 next June").removingHTMLEntities
XCTAssertEqual(doubleEmojiEscape, "Going to the 🇺🇸 next June")
}
// MARK: - Benchmark
/// Measures the average unescaping performance.
func testUnescapingPerformance() {
self.measure {
_ = "Hello, world.".removingHTMLEntities
_ = "Fish & Chips".removingHTMLEntities
_ = "My phone number starts with a 1".removingHTMLEntities
_ = "My phone number starts with a _9;!".removingHTMLEntities
_ = "Let's meet at the café".removingHTMLEntities
_ = "Let's meet at the caf&#xzi;!".removingHTMLEntities
_ = "What is this character ? -> �".removingHTMLEntities
_ = "I love &swift;".removingHTMLEntities
_ = "Do you know ℵ?".removingHTMLEntities
_ = "a && b".removingHTMLEntities
}
}
/// Measures escaping avergae performance.
func testEscapingPerformance() {
self.measure {
_ = ("Fish & Chips").addingASCIIEntities
_ = ("a ⪰̸ b").addingASCIIEntities
_ = ("Hey 🙃").addingASCIIEntities
_ = ("Going to the 🇺🇸 next June").addingASCIIEntities
_ = ("Fish & Chips").addingUnicodeEntities
_ = ("a ⪰̸ b").addingUnicodeEntities
_ = ("Hey 🙃!").addingUnicodeEntities
_ = ("Going to the 🇺🇸 next June").addingUnicodeEntities
}
}
/// Measures the average perforance of unescaping a long String with a large number of entities.
func testLargeUnescapingPerformance() {
self.measure {
_ = HTMLTestLongUnescapableString.removingHTMLEntities
}
}
}
extension HTMLStringTests {
static var allTests: [(String, (HTMLStringTests) -> () throws -> Void)] {
return [
("testStringASCIIEscaping", testStringASCIIEscaping),
("testStringUnicodeEscaping", testStringUnicodeEscaping),
("testUnescaping", testUnescaping),
("testUnescapingPerformance", testUnescapingPerformance),
("testEscapingPerformance", testEscapingPerformance),
("testLargeUnescapingPerformance", testLargeUnescapingPerformance)
]
}
}