//
//  JSONFeedParserTests.swift
//  RSParser
//
//  Created by Brent Simmons on 6/26/17.
//  Copyright © 2017 Ranchero Software, LLC. All rights reserved.
//

import XCTest
import RSParser

class JSONFeedParserTests: XCTestCase {

	func testInessentialPerformance() {

		// 0.001 sec on my 2012 iMac.
		let d = parserData("inessential", "json", "http://inessential.com/")
		self.measure {
			let _ = try! FeedParser.parse(d)
		}
	}

	func testDaringFireballPerformance() {

		// 0.009 sec on my 2012 iMac.
		let d = parserData("DaringFireball", "json", "http://daringfireball.net/")
		self.measure {
			let _ = try! FeedParser.parse(d)
		}
	}

	func testThatEntitiesAreDecoded() {

		let d = parserData("DaringFireball", "json", "http://daringfireball.net/")
		let parsedFeed = try! FeedParser.parse(d)

		// https://github.com/brentsimmons/Evergreen/issues/176
		// In the article titled "The Talk Show: ‘I Do Like Throwing a Baby’",
		// make sure the content HTML starts with "\n<p>New episode of America’s"
		// instead of "\n<p>New episode of America&#8217;s" — this will tell us
		// that entities are being decoded.

		for article in parsedFeed!.items {
			if article.title == "The Talk Show: ‘I Do Like Throwing a Baby’" {
				XCTAssert(article.contentHTML!.hasPrefix("\n<p>New episode of America’s"))
				return
			}
		}

		XCTAssert(false, "Expected to find “The Talk Show: ‘I Do Like Throwing a Baby’” article.")
	}

	func testGettingFaviconAndIconURLs() {

		let d = parserData("DaringFireball", "json", "http://daringfireball.net/")
		let parsedFeed = try! FeedParser.parse(d)!

		XCTAssert(parsedFeed.faviconURL == "https://daringfireball.net/graphics/favicon-64.png")
		XCTAssert(parsedFeed.iconURL == "https://daringfireball.net/graphics/apple-touch-icon.png")
	}

	func testAllThis() {

		let d = parserData("allthis", "json", "http://leancrew.com/allthis/")
		let parsedFeed = try! FeedParser.parse(d)!

		XCTAssertEqual(parsedFeed.items.count, 12)
	}

	func testCurt() {

		let d = parserData("curt", "json", "http://curtclifton.net/")
		let parsedFeed = try! FeedParser.parse(d)!

		XCTAssertEqual(parsedFeed.items.count, 26)

		var didFindTwitterQuitterArticle = false
		for article in parsedFeed.items {
			if article.title == "Twitter Quitter" {
				didFindTwitterQuitterArticle = true
				XCTAssertTrue(article.contentHTML!.hasPrefix("<p>I’ve decided to close my Twitter account. William Van Hecke <a href=\"https://tinyletter.com/fet/letters/microcosmographia-xlxi-reasons-to-stay-on-twitter\">makes a convincing case</a>"))
			}
		}

		XCTAssertTrue(didFindTwitterQuitterArticle)
	}
}