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458 lines
23 KiB
Swift
458 lines
23 KiB
Swift
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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@testable import SignalServiceKit
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import XCTest
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class OWSLinkPreviewTest: SSKBaseTestSwift {
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override func setUp() {
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super.setUp()
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// Put setup code here. This method is called before the invocation of each test method in the class.
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}
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override func tearDown() {
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// Put teardown code here. This method is called after the invocation of each test method in the class.
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super.tearDown()
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}
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func testBuildValidatedLinkPreview_TitleAndImage() {
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let url = "https://www.youtube.com/watch?v=tP-Ipsat90c"
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let body = "\(url)"
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let previewBuilder = SSKProtoDataMessagePreview.builder(url: url)
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previewBuilder.setTitle("Some Youtube Video")
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let imageAttachmentBuilder = SSKProtoAttachmentPointer.builder(id: 1)
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imageAttachmentBuilder.setKey(Randomness.generateRandomBytes(32))
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imageAttachmentBuilder.setContentType(OWSMimeTypeImageJpeg)
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previewBuilder.setImage(try! imageAttachmentBuilder.build())
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let dataBuilder = SSKProtoDataMessage.builder()
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dataBuilder.addPreview(try! previewBuilder.build())
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self.readWrite { (transaction) in
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XCTAssertNotNil(try! OWSLinkPreview.buildValidatedLinkPreview(dataMessage: try! dataBuilder.build(),
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body: body,
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transaction: transaction))
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}
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}
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func testBuildValidatedLinkPreview_Title() {
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let url = "https://www.youtube.com/watch?v=tP-Ipsat90c"
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let body = "\(url)"
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let previewBuilder = SSKProtoDataMessagePreview.builder(url: url)
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previewBuilder.setTitle("Some Youtube Video")
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let dataBuilder = SSKProtoDataMessage.builder()
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dataBuilder.addPreview(try! previewBuilder.build())
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self.readWrite { (transaction) in
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XCTAssertNotNil(try! OWSLinkPreview.buildValidatedLinkPreview(dataMessage: try! dataBuilder.build(),
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body: body,
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transaction: transaction))
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}
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}
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func testBuildValidatedLinkPreview_Image() {
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let url = "https://www.youtube.com/watch?v=tP-Ipsat90c"
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let body = "\(url)"
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let previewBuilder = SSKProtoDataMessagePreview.builder(url: url)
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let imageAttachmentBuilder = SSKProtoAttachmentPointer.builder(id: 1)
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imageAttachmentBuilder.setKey(Randomness.generateRandomBytes(32))
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imageAttachmentBuilder.setContentType(OWSMimeTypeImageJpeg)
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previewBuilder.setImage(try! imageAttachmentBuilder.build())
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let dataBuilder = SSKProtoDataMessage.builder()
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dataBuilder.addPreview(try! previewBuilder.build())
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self.readWrite { (transaction) in
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XCTAssertNotNil(try! OWSLinkPreview.buildValidatedLinkPreview(dataMessage: try! dataBuilder.build(),
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body: body,
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transaction: transaction))
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}
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}
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func testBuildValidatedLinkPreview_NoTitleOrImage() {
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let url = "https://www.youtube.com/watch?v=tP-Ipsat90c"
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let body = "\(url)"
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let previewBuilder = SSKProtoDataMessagePreview.builder(url: url)
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let dataBuilder = SSKProtoDataMessage.builder()
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dataBuilder.addPreview(try! previewBuilder.build())
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self.readWrite { (transaction) in
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do {
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_ = try OWSLinkPreview.buildValidatedLinkPreview(dataMessage: try! dataBuilder.build(),
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body: body,
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transaction: transaction)
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XCTFail("Missing expected error.")
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} catch {
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// Do nothing.
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}
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}
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}
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func testIsValidLinkUrl() {
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://www.youtube.com/watch?v=tP-Ipsat90c"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://youtube.com/watch?v=tP-Ipsat90c"))
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// Case shouldn't matter.
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://WWW.YOUTUBE.COM/watch?v=tP-Ipsat90c"))
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// Don't allow arbitrary subdomains.
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("https://some.random.subdomain.youtube.com/watch?v=tP-Ipsat90c"))
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// Don't allow HTTP, only HTTPS
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("http://youtube.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("mailto://youtube.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("ftp://youtube.com/watch?v=tP-Ipsat90c"))
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// Don't allow similar domains.
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("https://xyoutube.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("https://youtubex.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("https://youtube.comx/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("https://www.xyoutube.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("https://www.youtubex.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("https://www.youtube.comx/watch?v=tP-Ipsat90c"))
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// Don't allow media domains.
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("https://i.ytimg.com/vi/tP-Ipsat90c/maxresdefault.jpg"))
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// Allow all whitelisted domains.
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://www.youtube.com/watch?v=tP-Ipsat90c"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://youtu.be/tP-Ipsat90c"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://www.reddit.com/r/androiddev/comments/a7gctz/androidx_release_notes_this_is_the_first_release/"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://www.reddit.com/r/WhitePeopleTwitter/comments/a7j3mm/why/"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://imgur.com/gallery/KFCL8fm"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://imgur.com/gallery/FMdwTiV"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://www.instagram.com/p/BrgpsUjF9Jo/?utm_source=ig_web_button_share_sheet"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://www.instagram.com/p/BrgpsUjF9Jo/?utm_source=ig_share_sheet&igshid=94c7ihqjfmbm"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://imgur.com/gallery/igHOwDM"))
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// Strip trailing commas.
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://imgur.com/gallery/igHOwDM,"))
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// Ignore URLs with an empty path.
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("https://imgur.com"))
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XCTAssertFalse(OWSLinkPreview.isValidLinkUrl("https://imgur.com/"))
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XCTAssertTrue(OWSLinkPreview.isValidLinkUrl("https://imgur.com/X"))
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}
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func testIsValidMediaUrl() {
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// Only allow domains on the media whitelist.
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("https://www.youtube.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("https://youtube.com/watch?v=tP-Ipsat90c"))
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// Allow arbitrary subdomains.
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://ytimg.com/something"))
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://something.ytimg.com/something"))
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// Don't allow HTTP, only HTTPS
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("http://ytimg.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("mailto://ytimg.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("ftp://ytimg.com/watch?v=tP-Ipsat90c"))
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// Don't allow similar domains.
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("https://xytimg.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("https://youtubex.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("https://ytimg.comx/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("https://www.xytimg.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("https://www.ytimgx.com/watch?v=tP-Ipsat90c"))
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XCTAssertFalse(OWSLinkPreview.isValidMediaUrl("https://www.ytimg.comx/watch?v=tP-Ipsat90c"))
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// Allow media domains.
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://i.ytimg.com/vi/tP-Ipsat90c/maxresdefault.jpg"))
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://external-preview.redd.it/j5lhdY0huShdzyrbSEdKzOb09BKhNreyEZOLDu1UzBA.jpg?auto=webp&s=2cb8bdb5ac5b54fc9514719030c0c9f08a03f684"))
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://preview.redd.it/ehakvm9vx5521.jpg?auto=webp&s=925fb2d8776ca7102b944ab00e0615ae20c1bd5a"))
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://i.imgur.com/Y3wjlwY.jpg?fb"))
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://i.imgur.com/Vot3iHh.jpg?fbplay"))
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://scontent-mia3-2.cdninstagram.com/vp/9035a7d6b32e6f840856661e4a11e3cf/5CFC285B/t51.2885-15/e35/47690175_2275988962411653_1145978227188801192_n.jpg?_nc_ht=scontent-mia3-2.cdninstagram.com"))
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://scontent-mia3-2.cdninstagram.com/vp/9035a7d6b32e6f840856661e4a11e3cf/5CFC285B/t51.2885-15/e35/47690175_2275988962411653_1145978227188801192_n.jpg?_nc_ht=scontent-mia3-2.cdninstagram.com"))
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XCTAssertTrue(OWSLinkPreview.isValidMediaUrl("https://i.imgur.com/PYiyLv1.jpg?fbplay"))
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}
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func testPreviewUrlForMessageBodyText() {
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XCTAssertNil(OWSLinkPreview.previewUrl(forMessageBodyText: ""))
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XCTAssertNil(OWSLinkPreview.previewUrl(forMessageBodyText: "alice bob jim"))
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XCTAssertNil(OWSLinkPreview.previewUrl(forMessageBodyText: "alice bob jim http://"))
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XCTAssertNil(OWSLinkPreview.previewUrl(forMessageBodyText: "alice bob jim http://a.com"))
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XCTAssertEqual(OWSLinkPreview.previewUrl(forMessageBodyText: "https://www.youtube.com/watch?v=tP-Ipsat90c"),
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"https://www.youtube.com/watch?v=tP-Ipsat90c")
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XCTAssertEqual(OWSLinkPreview.previewUrl(forMessageBodyText: "alice bob https://www.youtube.com/watch?v=tP-Ipsat90c jim"),
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"https://www.youtube.com/watch?v=tP-Ipsat90c")
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// If there are more than one, take the first.
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XCTAssertEqual(OWSLinkPreview.previewUrl(forMessageBodyText: "alice bob https://www.youtube.com/watch?v=tP-Ipsat90c jim https://www.youtube.com/watch?v=other-url carol"),
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"https://www.youtube.com/watch?v=tP-Ipsat90c")
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}
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func testUtils() {
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XCTAssertNil(OWSLinkPreview.fileExtension(forImageUrl: ""))
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XCTAssertNil(OWSLinkPreview.fileExtension(forImageUrl: "https://www.some.host/path/imagename"))
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XCTAssertNil(OWSLinkPreview.fileExtension(forImageUrl: "https://www.some.host/path/imagename."))
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XCTAssertEqual(OWSLinkPreview.fileExtension(forImageUrl: "https://www.some.host/path/imagename.jpg"), "jpg")
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XCTAssertEqual(OWSLinkPreview.fileExtension(forImageUrl: "https://www.some.host/path/imagename.gif"), "gif")
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XCTAssertEqual(OWSLinkPreview.fileExtension(forImageUrl: "https://www.some.host/path/imagename.png"), "png")
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XCTAssertEqual(OWSLinkPreview.fileExtension(forImageUrl: "https://www.some.host/path/imagename.boink"), "boink")
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XCTAssertNil(OWSLinkPreview.mimetype(forImageFileExtension: ""))
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XCTAssertNil(OWSLinkPreview.mimetype(forImageFileExtension: "boink"))
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XCTAssertNil(OWSLinkPreview.mimetype(forImageFileExtension: "tiff"))
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XCTAssertNil(OWSLinkPreview.mimetype(forImageFileExtension: "gif"))
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XCTAssertEqual(OWSLinkPreview.mimetype(forImageFileExtension: "jpg"), OWSMimeTypeImageJpeg)
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XCTAssertEqual(OWSLinkPreview.mimetype(forImageFileExtension: "png"), OWSMimeTypeImagePng)
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}
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func testLinkDownloadAndParsing() {
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let expectation = self.expectation(description: "link download and parsing")
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OWSLinkPreview.tryToBuildPreviewInfo(previewUrl: "https://www.youtube.com/watch?v=tP-Ipsat90c")
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.done { (draft) in
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XCTAssertNotNil(draft)
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XCTAssertEqual(draft.title, "Randomness is Random - Numberphile")
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XCTAssertNotNil(draft.imageFilePath)
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expectation.fulfill()
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}.catch { (error) in
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Logger.error("error: \(error)")
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XCTFail("Unexpected error: \(error)")
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expectation.fulfill()
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}.retainUntilComplete()
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self.waitForExpectations(timeout: 5.0, handler: nil)
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}
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func testLinkDataParsing_Empty() {
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let linkText = ""
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let linkData = linkText.data(using: .utf8)!
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let content = try! OWSLinkPreview.parse(linkData: linkData)
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XCTAssertNotNil(content)
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XCTAssertNil(content.title)
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XCTAssertNil(content.imageUrl)
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}
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func testLinkDataParsing() {
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let linkText = ("<meta property=\"og:title\" content=\"Randomness is Random - Numberphile\">" +
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"<meta property=\"og:image\" content=\"https://i.ytimg.com/vi/tP-Ipsat90c/maxresdefault.jpg\">")
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let linkData = linkText.data(using: .utf8)!
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let content = try! OWSLinkPreview.parse(linkData: linkData)
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XCTAssertNotNil(content)
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XCTAssertEqual(content.title, "Randomness is Random - Numberphile")
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XCTAssertEqual(content.imageUrl, "https://i.ytimg.com/vi/tP-Ipsat90c/maxresdefault.jpg")
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}
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func testLinkParsingWithRealData1() {
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let expectation = self.expectation(description: "link download and parsing")
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OWSLinkPreview.downloadLink(url: "https://www.youtube.com/watch?v=tP-Ipsat90c")
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.done { (linkData) in
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let content = try! OWSLinkPreview.parse(linkData: linkData)
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XCTAssertNotNil(content)
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XCTAssertEqual(content.title, "Randomness is Random - Numberphile")
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XCTAssertEqual(content.imageUrl, "https://i.ytimg.com/vi/tP-Ipsat90c/maxresdefault.jpg")
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expectation.fulfill()
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}.catch { (error) in
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Logger.error("error: \(error)")
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XCTFail("Unexpected error: \(error)")
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expectation.fulfill()
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}.retainUntilComplete()
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self.waitForExpectations(timeout: 5.0, handler: nil)
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}
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func testLinkParsingWithRealData2() {
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let expectation = self.expectation(description: "link download and parsing")
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OWSLinkPreview.downloadLink(url: "https://youtu.be/tP-Ipsat90c")
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.done { (linkData) in
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let content = try! OWSLinkPreview.parse(linkData: linkData)
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XCTAssertNotNil(content)
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XCTAssertEqual(content.title, "Randomness is Random - Numberphile")
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XCTAssertEqual(content.imageUrl, "https://i.ytimg.com/vi/tP-Ipsat90c/maxresdefault.jpg")
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expectation.fulfill()
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}.catch { (error) in
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Logger.error("error: \(error)")
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XCTFail("Unexpected error: \(error)")
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expectation.fulfill()
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}.retainUntilComplete()
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self.waitForExpectations(timeout: 5.0, handler: nil)
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}
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func testLinkParsingWithRealData3() {
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let expectation = self.expectation(description: "link download and parsing")
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OWSLinkPreview.downloadLink(url: "https://www.reddit.com/r/androiddev/comments/a7gctz/androidx_release_notes_this_is_the_first_release/")
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.done { (linkData) in
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let content = try! OWSLinkPreview.parse(linkData: linkData)
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XCTAssertNotNil(content)
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XCTAssertEqual(content.title, "r/androiddev - AndroidX release notes | This is the first release of SavedState")
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XCTAssertEqual(content.imageUrl, "https://external-preview.redd.it/j5lhdY0huShdzyrbSEdKzOb09BKhNreyEZOLDu1UzBA.jpg?auto=webp&s=2cb8bdb5ac5b54fc9514719030c0c9f08a03f684")
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expectation.fulfill()
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}.catch { (error) in
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Logger.error("error: \(error)")
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XCTFail("Unexpected error: \(error)")
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expectation.fulfill()
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}.retainUntilComplete()
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self.waitForExpectations(timeout: 5.0, handler: nil)
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}
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func testLinkParsingWithRealData4() {
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let expectation = self.expectation(description: "link download and parsing")
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OWSLinkPreview.downloadLink(url: "https://www.reddit.com/r/WhitePeopleTwitter/comments/a7j3mm/why/")
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.done { (linkData) in
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let content = try! OWSLinkPreview.parse(linkData: linkData)
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XCTAssertNotNil(content)
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XCTAssertEqual(content.title, "r/WhitePeopleTwitter - Why")
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XCTAssertEqual(content.imageUrl, "https://preview.redd.it/ehakvm9vx5521.jpg?auto=webp&s=925fb2d8776ca7102b944ab00e0615ae20c1bd5a")
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expectation.fulfill()
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}.catch { (error) in
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Logger.error("error: \(error)")
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XCTFail("Unexpected error: \(error)")
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expectation.fulfill()
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}.retainUntilComplete()
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self.waitForExpectations(timeout: 5.0, handler: nil)
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}
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func testLinkParsingWithRealData5() {
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let expectation = self.expectation(description: "link download and parsing")
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OWSLinkPreview.downloadLink(url: "https://imgur.com/gallery/KFCL8fm")
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.done { (linkData) in
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let content = try! OWSLinkPreview.parse(linkData: linkData)
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XCTAssertNotNil(content)
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XCTAssertNil(content.title)
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XCTAssertEqual(content.imageUrl, "https://i.imgur.com/Y3wjlwY.jpg?fb")
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expectation.fulfill()
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}.catch { (error) in
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Logger.error("error: \(error)")
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XCTFail("Unexpected error: \(error)")
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expectation.fulfill()
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}.retainUntilComplete()
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self.waitForExpectations(timeout: 5.0, handler: nil)
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}
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func testLinkParsingWithRealData6() {
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let expectation = self.expectation(description: "link download and parsing")
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OWSLinkPreview.downloadLink(url: "https://imgur.com/gallery/FMdwTiV")
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.done { (linkData) in
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let content = try! OWSLinkPreview.parse(linkData: linkData)
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XCTAssertNotNil(content)
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XCTAssertEqual(content.title, "Freddy would be proud!")
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XCTAssertEqual(content.imageUrl, "https://i.imgur.com/Vot3iHh.jpg?fbplay")
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expectation.fulfill()
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}.catch { (error) in
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Logger.error("error: \(error)")
|
|
XCTFail("Unexpected error: \(error)")
|
|
expectation.fulfill()
|
|
}.retainUntilComplete()
|
|
|
|
self.waitForExpectations(timeout: 5.0, handler: nil)
|
|
}
|
|
|
|
func testLinkParsingWithRealData7() {
|
|
let expectation = self.expectation(description: "link download and parsing")
|
|
|
|
OWSLinkPreview.downloadLink(url: "https://www.instagram.com/p/BrgpsUjF9Jo/?utm_source=ig_web_button_share_sheet")
|
|
.done { (linkData) in
|
|
let content = try! OWSLinkPreview.parse(linkData: linkData)
|
|
XCTAssertNotNil(content)
|
|
|
|
XCTAssertEqual(content.title, "Walter \"MFPallytime\" on Instagram: “Lol gg”")
|
|
XCTAssertEqual(content.imageUrl, "https://scontent-mia3-2.cdninstagram.com/vp/9035a7d6b32e6f840856661e4a11e3cf/5CFC285B/t51.2885-15/e35/47690175_2275988962411653_1145978227188801192_n.jpg?_nc_ht=scontent-mia3-2.cdninstagram.com")
|
|
|
|
expectation.fulfill()
|
|
}.catch { (error) in
|
|
Logger.error("error: \(error)")
|
|
XCTFail("Unexpected error: \(error)")
|
|
expectation.fulfill()
|
|
}.retainUntilComplete()
|
|
|
|
self.waitForExpectations(timeout: 5.0, handler: nil)
|
|
}
|
|
|
|
func testLinkParsingWithRealData8() {
|
|
let expectation = self.expectation(description: "link download and parsing")
|
|
|
|
OWSLinkPreview.downloadLink(url: "https://www.instagram.com/p/BrgpsUjF9Jo/?utm_source=ig_share_sheet&igshid=94c7ihqjfmbm")
|
|
.done { (linkData) in
|
|
let content = try! OWSLinkPreview.parse(linkData: linkData)
|
|
XCTAssertNotNil(content)
|
|
|
|
XCTAssertEqual(content.title, "Walter \"MFPallytime\" on Instagram: “Lol gg”")
|
|
XCTAssertEqual(content.imageUrl, "https://scontent-mia3-2.cdninstagram.com/vp/9035a7d6b32e6f840856661e4a11e3cf/5CFC285B/t51.2885-15/e35/47690175_2275988962411653_1145978227188801192_n.jpg?_nc_ht=scontent-mia3-2.cdninstagram.com")
|
|
|
|
expectation.fulfill()
|
|
}.catch { (error) in
|
|
Logger.error("error: \(error)")
|
|
XCTFail("Unexpected error: \(error)")
|
|
expectation.fulfill()
|
|
}.retainUntilComplete()
|
|
|
|
self.waitForExpectations(timeout: 5.0, handler: nil)
|
|
}
|
|
|
|
func testLinkParsingWithRealData9() {
|
|
let expectation = self.expectation(description: "link download and parsing")
|
|
|
|
OWSLinkPreview.downloadLink(url: "https://imgur.com/gallery/igHOwDM")
|
|
.done { (linkData) in
|
|
let content = try! OWSLinkPreview.parse(linkData: linkData)
|
|
XCTAssertNotNil(content)
|
|
|
|
XCTAssertEqual(content.title, "Sheet dance")
|
|
XCTAssertEqual(content.imageUrl, "https://i.imgur.com/PYiyLv1.jpg?fbplay")
|
|
|
|
expectation.fulfill()
|
|
}.catch { (error) in
|
|
Logger.error("error: \(error)")
|
|
XCTFail("Unexpected error: \(error)")
|
|
expectation.fulfill()
|
|
}.retainUntilComplete()
|
|
|
|
self.waitForExpectations(timeout: 5.0, handler: nil)
|
|
}
|
|
|
|
// When using regular expressions to parse link titles, we need to use
|
|
// String.utf16.count, not String.count in the range.
|
|
func testRegexRanges() {
|
|
let regex = try! NSRegularExpression(pattern: "bob", options: [])
|
|
var text = "bob"
|
|
XCTAssertNotNil(regex.firstMatch(in: text,
|
|
options: [],
|
|
range: NSRange(location: 0, length: text.count)))
|
|
XCTAssertNotNil(regex.firstMatch(in: text,
|
|
options: [],
|
|
range: NSRange(location: 0, length: text.utf16.count)))
|
|
text = "😂😘🙂 bob"
|
|
XCTAssertNil(regex.firstMatch(in: text,
|
|
options: [],
|
|
range: NSRange(location: 0, length: text.count)))
|
|
XCTAssertNotNil(regex.firstMatch(in: text,
|
|
options: [],
|
|
range: NSRange(location: 0, length: text.utf16.count)))
|
|
}
|
|
}
|