b8ad1af172
* Cleanup how we use message timeline items in preparation for rich reply rendering * Expose reply details up to the UI level * Render replies in the timeline (textual for now). Remove now unused AttributedStringBuilderComponent isReply flag. * Move reply detail loading to when the item appears instead of when it's created. * Fix unit tests * Fetch event details also when the reply details are in the error state * Tweaks following code review * Localise emote bodies * Fix replies not loading sometimes, use the current event identifier instead of the one being replied to
417 lines
18 KiB
Swift
417 lines
18 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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@testable import ElementX
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import XCTest
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class AttributedStringBuilderTests: XCTestCase {
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let attributedStringBuilder = AttributedStringBuilder()
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let maxHeaderPointSize = ceil(UIFont.preferredFont(forTextStyle: .body).pointSize * 1.2)
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func testRenderHTMLStringWithHeaders() {
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let h1HTMLString = "<h1>Large Heading</h1>"
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let h2HTMLString = "<h2>Smaller Heading</h2>"
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let h3HTMLString = "<h3>Acceptable Heading</h3>"
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guard let h1AttributedString = attributedStringBuilder.fromHTML(h1HTMLString),
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let h2AttributedString = attributedStringBuilder.fromHTML(h2HTMLString),
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let h3AttributedString = attributedStringBuilder.fromHTML(h3HTMLString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(String(h1AttributedString.characters), "Large Heading")
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XCTAssertEqual(String(h2AttributedString.characters), "Smaller Heading")
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XCTAssertEqual(String(h3AttributedString.characters), "Acceptable Heading")
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XCTAssert(h1AttributedString.runs.count == 1)
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XCTAssert(h2AttributedString.runs.count == 1)
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XCTAssert(h3AttributedString.runs.count == 1)
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guard let h1Font = h1AttributedString.runs.first?.uiKit.font,
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let h2Font = h2AttributedString.runs.first?.uiKit.font,
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let h3Font = h3AttributedString.runs.first?.uiKit.font else {
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XCTFail("Could not extract a font from the strings.")
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return
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}
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XCTAssertEqual(h1Font, h2Font)
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XCTAssertEqual(h2Font, h3Font)
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XCTAssert(h1Font.pointSize > UIFont.preferredFont(forTextStyle: .body).pointSize)
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XCTAssert(h1Font.pointSize <= maxHeaderPointSize)
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}
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func testRenderHTMLStringWithPreCode() {
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let htmlString = "<pre><code>1\n2\n3\n4\n</code></pre>"
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.first?.uiKit.font?.fontName, ".AppleSystemUIFontMonospaced-Regular")
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let string = String(attributedString.characters)
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guard let regex = try? NSRegularExpression(pattern: "\\R", options: []) else {
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XCTFail("Could not build the regex for the test.")
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return
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}
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XCTAssertEqual(regex.numberOfMatches(in: string, options: [], range: .init(location: 0, length: string.count)), 3)
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}
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func testRenderHTMLStringWithLink() {
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let htmlString = "This text contains a <a href=\"https://www.matrix.org/\">link</a>."
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(String(attributedString.characters), "This text contains a link.")
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XCTAssertEqual(attributedString.runs.count, 3)
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let link = attributedString.runs.first(where: { $0.link != nil })?.link
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XCTAssertEqual(link?.host, "www.matrix.org")
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}
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func testRenderPlainStringWithLink() {
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let plainString = "This text contains a https://www.matrix.org link."
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guard let attributedString = attributedStringBuilder.fromPlain(plainString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(String(attributedString.characters), plainString)
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XCTAssertEqual(attributedString.runs.count, 3)
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let link = attributedString.runs.first(where: { $0.link != nil })?.link
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XCTAssertEqual(link?.host, "www.matrix.org")
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}
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func testRenderHTMLStringWithLinkInHeader() {
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let h1HTMLString = "<h1><a href=\"https://www.matrix.org/\">Matrix.org</a></h1>"
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let h2HTMLString = "<h2><a href=\"https://www.matrix.org/\">Matrix.org</a></h2>"
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let h3HTMLString = "<h3><a href=\"https://www.matrix.org/\">Matrix.org</a></h3>"
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guard let h1AttributedString = attributedStringBuilder.fromHTML(h1HTMLString),
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let h2AttributedString = attributedStringBuilder.fromHTML(h2HTMLString),
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let h3AttributedString = attributedStringBuilder.fromHTML(h3HTMLString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(String(h1AttributedString.characters), "Matrix.org")
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XCTAssertEqual(String(h2AttributedString.characters), "Matrix.org")
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XCTAssertEqual(String(h3AttributedString.characters), "Matrix.org")
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XCTAssertEqual(h1AttributedString.runs.count, 1)
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XCTAssertEqual(h2AttributedString.runs.count, 1)
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XCTAssertEqual(h3AttributedString.runs.count, 1)
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guard let h1Font = h1AttributedString.runs.first?.uiKit.font,
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let h2Font = h2AttributedString.runs.first?.uiKit.font,
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let h3Font = h3AttributedString.runs.first?.uiKit.font else {
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XCTFail("Could not extract a font from the strings.")
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return
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}
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XCTAssertEqual(h1Font, h2Font)
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XCTAssertEqual(h2Font, h3Font)
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XCTAssert(h1Font.pointSize > UIFont.preferredFont(forTextStyle: .body).pointSize)
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XCTAssert(h1Font.pointSize <= maxHeaderPointSize)
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XCTAssertEqual(h1AttributedString.runs.first?.link?.host, "www.matrix.org")
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XCTAssertEqual(h2AttributedString.runs.first?.link?.host, "www.matrix.org")
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XCTAssertEqual(h3AttributedString.runs.first?.link?.host, "www.matrix.org")
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}
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func testRenderHTMLStringWithIFrame() {
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let htmlString = "<iframe src=\"https://www.matrix.org/\"></iframe>"
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertNil(attributedString.uiKit.attachment, "iFrame attachments should be removed as they're not included in the allowedHTMLTags array.")
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}
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func testLinkWithFragment() {
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let string = "https://example.com/#/"
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checkLinkIn(attributedString: attributedStringBuilder.fromHTML(string), expectedLink: string, expectedRuns: 1)
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checkLinkIn(attributedString: attributedStringBuilder.fromPlain(string), expectedLink: string, expectedRuns: 1)
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}
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func testPermalink() {
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let string = "https://matrix.to/#/!hello:matrix.org/$world?via=matrix.org"
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checkLinkIn(attributedString: attributedStringBuilder.fromHTML(string), expectedLink: string, expectedRuns: 1)
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checkLinkIn(attributedString: attributedStringBuilder.fromPlain(string), expectedLink: string, expectedRuns: 1)
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}
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func testUserIdLink() {
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let userId = "@user:matrix.org"
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let string = "The user is \(userId)."
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checkLinkIn(attributedString: attributedStringBuilder.fromHTML(string), expectedLink: userId, expectedRuns: 3)
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checkLinkIn(attributedString: attributedStringBuilder.fromPlain(string), expectedLink: userId, expectedRuns: 3)
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}
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func testRoomAliasLink() {
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let roomAlias = "#matrix:matrix.org"
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let string = "The room alias is \(roomAlias)."
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checkLinkIn(attributedString: attributedStringBuilder.fromHTML(string), expectedLink: roomAlias, expectedRuns: 3)
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checkLinkIn(attributedString: attributedStringBuilder.fromPlain(string), expectedLink: roomAlias, expectedRuns: 3)
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}
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func testRoomIdLink() {
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let roomId = "!roomidentifier:matrix.org"
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let string = "The room is \(roomId)."
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checkLinkIn(attributedString: attributedStringBuilder.fromHTML(string), expectedLink: roomId, expectedRuns: 3)
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checkLinkIn(attributedString: attributedStringBuilder.fromPlain(string), expectedLink: roomId, expectedRuns: 3)
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}
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// As of right now we do not handle event id links in any way so there is no need to add them as links
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// func testEventIdLink() {
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// let eventId = "$eventidentifier"
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// let string = "The event is \(eventId)."
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// checkMatrixEntityLinkIn(attributedString: attributedStringBuilder.fromHTML(string), expected: eventId)
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// checkMatrixEntityLinkIn(attributedString: attributedStringBuilder.fromPlain(string), expected: eventId)
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// }
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func testDefaultFont() {
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let htmlString = "<b>Test</b> <i>string</i>."
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.count, 4)
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for run in attributedString.runs {
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XCTAssertEqual(run.uiKit.font?.familyName, UIFont.preferredFont(forTextStyle: .body).familyName)
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}
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}
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func testDefaultForegroundColor() {
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let htmlString = "<b>Test</b> <i>string</i>."
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.count, 4)
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for run in attributedString.runs {
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XCTAssertNil(run.uiKit.foregroundColor)
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}
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}
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func testCustomForegroundColor() {
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// swiftlint:disable:next line_length
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let htmlString = "<font color=\"#ff00be\">R</font><font color=\"#ff0082\">a</font><font color=\"#ff0047\">i</font><font color=\"#ff5800\">n </font><font color=\"#ffa300\">w</font><font color=\"#d2ba00\">w</font><font color=\"#97ca00\">w</font><font color=\"#3ed500\">.</font><font color=\"#00dd00\">m</font><font color=\"#00e251\">a</font><font color=\"#00e595\">t</font><font color=\"#00e7d6\">r</font><font color=\"#00e7ff\">i</font><font color=\"#00e6ff\">x</font><font color=\"#00e3ff\">.</font><font color=\"#00dbff\">o</font><font color=\"#00ceff\">r</font><font color=\"#00baff\">g</font><font color=\"#f477ff\"> b</font><font color=\"#ff3aff\">o</font><font color=\"#ff00fb\">w</font>"
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.count, 8)
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var foundLink = false
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for run in attributedString.runs {
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if run.link != nil {
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XCTAssertEqual(run.link?.path, "www.matrix.org")
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XCTAssertNil(run.uiKit.foregroundColor)
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foundLink = true
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} else {
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XCTAssertNotNil(run.uiKit.foregroundColor)
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}
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}
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XCTAssertTrue(foundLink)
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}
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func testSingleBlockquote() {
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let htmlString = "<blockquote>Blockquote</blockquote>"
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.count, 1)
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XCTAssertEqual(attributedString.formattedComponents.count, 1)
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for run in attributedString.runs where run.elementX.blockquote ?? false {
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return
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}
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XCTFail("Couldn't find blockquote")
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}
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// swiftlint:disable line_length
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func testBlockquoteWithinText() {
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let htmlString = """
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The text before the blockquote
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<blockquote> For 50 years, WWF has been protecting the future of nature. The world's leading conservation organization, WWF works in 100 countries and is supported by 1.2 million members in the United States and close to 5 million globally.</blockquote>
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The text after the blockquote
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"""
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.count, 3)
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XCTAssertEqual(attributedString.formattedComponents.count, 3)
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for run in attributedString.runs where run.elementX.blockquote ?? false {
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return
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}
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XCTFail("Couldn't find blockquote")
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}
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// swiftlint:enable line_length
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func testBlockquoteWithLink() {
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let htmlString = "<blockquote>Blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>"
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.count, 3)
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let coalescedComponents = attributedString.formattedComponents
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XCTAssertEqual(coalescedComponents.count, 1)
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XCTAssertEqual(coalescedComponents.first?.attributedString.runs.count, 3, "Link not present in the component")
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var foundBlockquoteAndLink = false
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for run in attributedString.runs where run.elementX.blockquote ?? false && run.link != nil {
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foundBlockquoteAndLink = true
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}
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XCTAssertNotNil(foundBlockquoteAndLink, "Couldn't find blockquote or link")
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}
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func testReplyBlockquote() {
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let htmlString = "<blockquote><a href=\"https://matrix.to/#/someroom/someevent\">In reply to</a> <a href=\"https://matrix.to/#/@user:matrix.org\">@user:matrix.org</a><br>The future is <code>swift run tools</code> 😎</blockquote>"
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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let coalescedComponents = attributedString.formattedComponents
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XCTAssertEqual(coalescedComponents.count, 1)
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guard let component = coalescedComponents.first else {
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XCTFail("Could not get the first component")
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return
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}
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XCTAssertTrue(component.isBlockquote, "The reply quote should be a blockquote.")
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}
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func testMultipleGroupedBlockquotes() {
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let htmlString = """
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<blockquote>First blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>
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<blockquote>Second blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>
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<blockquote>Third blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>
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"""
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.count, 7)
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XCTAssertEqual(attributedString.formattedComponents.count, 1)
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var numberOfBlockquotes = 0
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for run in attributedString.runs where run.elementX.blockquote ?? false && run.link != nil {
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numberOfBlockquotes += 1
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}
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XCTAssertEqual(numberOfBlockquotes, 3, "Couldn't find all the blockquotes")
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}
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func testMultipleSeparatedBlockquotes() {
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let htmlString = """
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First
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<blockquote>blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>
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Second
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<blockquote>blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>
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Third
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<blockquote>blockquote with a <a href=\"https://www.matrix.org/\">link</a> in it</blockquote>
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"""
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guard let attributedString = attributedStringBuilder.fromHTML(htmlString) else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.count, 12)
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let coalescedComponents = attributedString.formattedComponents
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XCTAssertEqual(coalescedComponents.count, 6)
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var numberOfBlockquotes = 0
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for run in attributedString.runs where run.elementX.blockquote ?? false && run.link != nil {
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numberOfBlockquotes += 1
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}
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XCTAssertEqual(numberOfBlockquotes, 3, "Couldn't find all the blockquotes")
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}
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// MARK: - Private
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private func checkLinkIn(attributedString: AttributedString?, expectedLink: String, expectedRuns: Int) {
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guard let attributedString else {
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XCTFail("Could not build the attributed string")
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return
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}
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XCTAssertEqual(attributedString.runs.count, expectedRuns)
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for run in attributedString.runs where run.link != nil {
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XCTAssertEqual(run.link?.absoluteString, expectedLink)
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return
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}
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XCTFail("Couldn't find expected value.")
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}
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}
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