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// Copyright (C) 2025 Apple Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
#if ENABLE_SWIFTUI && canImport(Testing) && compiler(>=6.0)
import Testing
@_spi(Testing) import WebKit
import _WebKit_SwiftUI
import UniformTypeIdentifiers
import SwiftUI
@MainActor
struct WebPageTransferableTests {
@Test
func transferableContentTypes() async throws {
let expectedTypes: [UTType] = [.webArchive, .pdf, .png, .url, .flatRTFD, .rtf, .utf8PlainText]
let exportedContentTypes = WebPage.exportedContentTypes()
#expect(exportedContentTypes == expectedTypes)
let importedContentTypes = WebPage.importedContentTypes()
#expect(importedContentTypes.isEmpty)
let webPage = WebPage()
let instanceExportedContentTypes = webPage.exportedContentTypes()
#expect(instanceExportedContentTypes == expectedTypes)
let instanceImportedContentTypes = webPage.importedContentTypes()
#expect(instanceImportedContentTypes.isEmpty)
}
@Test
func exportToPDFWithFullContent() async throws {
let webPage = WebPage()
try await webPage.load(html: "<meta name='viewport' content='width=device-width'><body bgcolor=#00ff00>Hello</body>").wait()
let data = try await webPage.exported(as: .pdf)
let pdf = TestPDFDocument(from: data)
#expect(pdf.pageCount == 1)
let page = try #require(pdf.page(at: 0))
#expect(page.bounds == .init(x: 0, y: 0, width: 1024, height: 768))
#expect(page.text == "Hello")
#expect(page.color(at: .init(x: 400, y: 300)) == .green)
}
@Test
func exportToPDFWithSubRegion() async throws {
let webPage = WebPage()
try await webPage.load(html: "<meta name='viewport' content='width=device-width'><body bgcolor=#00ff00>Hello</body>").wait()
let region = CGRect(x: 200, y: 150, width: 400, height: 300)
let data = try await webPage.exported(as: .pdf(region: .rect(region)))
let pdf = TestPDFDocument(from: data)
#expect(pdf.pageCount == 1)
let page = try #require(pdf.page(at: 0))
#expect(page.bounds == .init(x: 0, y: 0, width: 400, height: 300))
#expect(page.characterCount == 0)
#expect(page.color(at: .init(x: 200, y: 150)) == .green)
}
@Test
func exportToPDFWithoutLoadingAnyWebContentFails() async throws {
// FIXME: Either make both macOS and iOS throw an error, or have neither throw an error.
#if os(macOS)
let webPage = WebPage()
await #expect(throws: (any Error).self) {
let _ = try await webPage.exported(as: .pdf)
}
#endif // os(macOS)
}
@Test
func exportToURL() async throws {
let webPage = WebPage()
try await webPage.load(html: "<meta name='viewport' content='width=device-width'><body bgcolor=#00ff00>Hello</body>").wait()
let data = try await webPage.exported(as: .url)
let actualURL = try await URL(importing: data, contentType: .url)
#expect(actualURL == URL(string: "about:blank"))
}
@Test(arguments: [UTType.png, UTType.image])
func exportToImage(type: UTType) async throws {
let defaultFrame = CGRect(x: 0, y: 0, width: 1024, height: 768)
#if os(macOS)
let scaleFactor: CGFloat = 2
#else
let scaleFactor: CGFloat = 3
#endif
let webPage = WebPage()
try await webPage.load(html: "<body style='background-color: red;'></body>").wait()
let imageData = try await webPage.exported(as: type)
#if os(macOS)
let image = try await NSImage(importing: imageData, contentType: .image)
#else
let image = try #require(UIImage(data: imageData))
#endif
#expect(image.size.width == defaultFrame.size.width * scaleFactor)
#expect(image.size.height == defaultFrame.size.height * scaleFactor)
}
@Test(arguments: [UTType.plainText, UTType.utf8PlainText])
func exportToPlainText(type: UTType) async throws {
let webPage = WebPage()
try await webPage.load(
html: """
<body>
<div>beep <b>bop</b></div>
<iframe srcdoc='meep'>herp</iframe>
<iframe srcdoc='moop'>derp</iframe>
</body>
"""
)
.wait()
let expected = "beep bop\n \n\nmeep\n\nmoop"
let textData = try await webPage.exported(as: type)
let string = try await String(importing: textData, contentType: type)
#expect(string == expected)
}
@Test(arguments: [UTType.flatRTFD, UTType.rtf])
func exportToRichText(type: UTType) async throws {
let webPage = WebPage()
try await webPage.load(html: "<body style='font-family: system-ui; font-size: 16px;'>Hello <b>World!</b>").wait()
let textData = try await webPage.exported(as: type)
let attributedString = try await AttributedString(importing: textData, contentType: type)
let context = EnvironmentValues().fontResolutionContext
#if os(macOS)
let expectedFontSize: CGFloat = 16
#else
let expectedFontSize: CGFloat = 23
#endif
let firstRange = try #require(attributedString.range(of: "Hello "))
let firstFont = try #require(Font(attributedString[firstRange].font)).resolve(in: context)
#expect(!firstFont.isBold)
#expect(firstFont.pointSize == expectedFontSize)
let secondRange = try #require(attributedString.range(of: "World!"))
let secondFont = try #require(Font(attributedString[secondRange].font)).resolve(in: context)
#expect(secondFont.isBold)
#expect(secondFont.pointSize == expectedFontSize)
}
}
#endif // ENABLE_SWIFTUI && canImport(Testing) && compiler(>=6.0)
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