80 lines
3.6 KiB
Swift
80 lines
3.6 KiB
Swift
//
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// TokenizerTests.swift
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//
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//
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// Created by Shadowfacts on 11/22/23.
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//
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import XCTest
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@testable import HTMLStreamer
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final class TokenizerTests: XCTestCase {
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private func tokenize(_ s: String) -> [Token] {
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let iterator = Tokenizer(chars: s.makeIterator())
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// let iterator = PrintIterator(inner: Tokenizer(chars: s.makeIterator()))
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return Array(AnySequence({ iterator }))
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}
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func testNamedCharacterReferences() {
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XCTAssertEqual(tokenize("&"), [.character("&")])
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// missing-semicolon-after-character-reference:
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XCTAssertEqual(tokenize("¬in"), [.character("¬"), .character("i"), .character("n")])
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XCTAssertEqual(tokenize("¬in"), [.character("∉")])
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// unknown-named-character-reference:
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XCTAssertEqual(tokenize("&asdf"), "&asdf".map { .character($0) })
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}
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func testNumericCharacterReference() {
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XCTAssertEqual(tokenize("!"), [.character("!")])
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XCTAssertEqual(tokenize("!"), [.character("!")])
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}
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func testStartTag() {
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XCTAssertEqual(tokenize("<asdf>"), [.startTag("asdf", selfClosing: false, attributes: [])])
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XCTAssertEqual(tokenize("<asdf/>"), [.startTag("asdf", selfClosing: true, attributes: [])])
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XCTAssertEqual(tokenize("<asdf />"), [.startTag("asdf", selfClosing: true, attributes: [])])
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// double-quoted attributes
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XCTAssertEqual(tokenize("<asdf a=\"b\" />"), [.startTag("asdf", selfClosing: true, attributes: [.init(name: "a", value: "b")])])
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XCTAssertEqual(tokenize("<asdf a=\"&\" />"), [.startTag("asdf", selfClosing: true, attributes: [.init(name: "a", value: "&")])])
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// single-quoted attributes
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XCTAssertEqual(tokenize("<asdf a='b' />"), [.startTag("asdf", selfClosing: true, attributes: [.init(name: "a", value: "b")])])
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XCTAssertEqual(tokenize("<asdf a=' ' />"), [.startTag("asdf", selfClosing: true, attributes: [.init(name: "a", value: " ")])])
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// unquoted attributes
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XCTAssertEqual(tokenize("<asdf a=b />"), [.startTag("asdf", selfClosing: true, attributes: [.init(name: "a", value: "b")])])
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XCTAssertEqual(tokenize("<asdf a=  />"), [.startTag("asdf", selfClosing: true, attributes: [.init(name: "a", value: " ")])])
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}
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func testEndTag() {
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XCTAssertEqual(tokenize("</asdf>"), [.endTag("asdf")])
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XCTAssertEqual(tokenize("</asdf a b='c'>"), [.endTag("asdf")])
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}
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func testComment() {
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XCTAssertEqual(tokenize("<!-- hello -->"), [.comment(" hello ")])
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XCTAssertEqual(tokenize("<!- hello -->"), [.comment("- hello --")])
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XCTAssertEqual(tokenize("<!-- hello ->"), [.comment(" hello ->")])
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}
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func testDoctype() {
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XCTAssertEqual(tokenize("<!DOCTYPE html>"), [.doctype("html", forceQuirks: false, publicIdentifier: nil, systemIdentifier: nil)])
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XCTAssertEqual(tokenize(#"<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">"#), [.doctype("html", forceQuirks: false, publicIdentifier: "-//W3C//DTD HTML 4.01//EN", systemIdentifier: nil)])
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XCTAssertEqual(tokenize(#"<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">"#), [.doctype("html", forceQuirks: false, publicIdentifier: "-//W3C//DTD HTML 4.01//EN", systemIdentifier: "http://www.w3.org/TR/html4/strict.dtd")])
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}
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}
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private struct PrintIterator<Inner: IteratorProtocol>: IteratorProtocol {
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typealias Element = Inner.Element
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var inner: Inner
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mutating func next() -> Inner.Element? {
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let next = inner.next()
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print(String(describing: next))
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return next
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}
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}
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