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9115e25017
All preview images generated by the backend are JPEG format, regardless of the original image format (e.g., foo.png -> foo.preview.jpg). Updated the imagePreviewURL getter, its documentation, and all tests to reflect this behavior.
140 lines
4.3 KiB
Swift
140 lines
4.3 KiB
Swift
import XCTest
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@testable import FoundationExtensions
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final class URLImagePreviewTests: XCTestCase {
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func test_imagePreviewURL_withStandardImageURL_insertsPreviewBeforeExtension() {
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// Given
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let url = URL(string: "https://cdn.some.pics/user/image.jpg")!
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// When
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let result = url.imagePreviewURL
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// Then
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XCTAssertEqual(
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result.absoluteString,
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"https://cdn.some.pics/user/image.preview.jpg",
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"It should replace the file extension with .preview.jpg"
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)
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}
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func test_imagePreviewURL_withPNGImage_insertsPreviewBeforeExtension() {
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// Given
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let url = URL(string: "https://example.com/photos/sunset.png")!
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// When
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let result = url.imagePreviewURL
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// Then
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XCTAssertEqual(
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result.absoluteString,
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"https://example.com/photos/sunset.preview.jpg",
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"It should replace PNG extension with .preview.jpg"
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)
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}
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func test_imagePreviewURL_withNoExtension_appendsPreview() {
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// Given
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let url = URL(string: "https://example.com/images/photo")!
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// When
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let result = url.imagePreviewURL
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// Then
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XCTAssertEqual(
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result.absoluteString,
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"https://example.com/images/photo.preview.jpg",
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"It should append .preview.jpg when there is no file extension"
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)
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}
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func test_imagePreviewURL_withComplexFilename_insertsPreviewCorrectly() {
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// Given
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let url = URL(string: "https://cdn.example.com/user-uploads/my-vacation-photo.jpeg")!
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// When
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let result = url.imagePreviewURL
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// Then
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XCTAssertEqual(
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result.absoluteString,
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"https://cdn.example.com/user-uploads/my-vacation-photo.preview.jpg",
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"It should replace the extension with .preview.jpg for complex filenames"
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)
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}
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func test_imagePreviewURL_withQueryParameters_preservesQuery() {
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// Given
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let url = URL(string: "https://api.example.com/images/photo.jpg?size=large&quality=high")!
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// When
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let result = url.imagePreviewURL
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// Then
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XCTAssertEqual(
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result.absoluteString,
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"https://api.example.com/images/photo.preview.jpg?size=large&quality=high",
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"It should preserve query parameters and use .preview.jpg extension"
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)
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}
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func test_imagePreviewURL_withNestedDirectories_maintainsDirectoryStructure() {
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// Given
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let url = URL(string: "https://storage.example.com/users/123/albums/vacation/beach.gif")!
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// When
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let result = url.imagePreviewURL
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// Then
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XCTAssertEqual(
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result.absoluteString,
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"https://storage.example.com/users/123/albums/vacation/beach.preview.jpg",
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"It should maintain the full directory structure and use .preview.jpg extension"
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)
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}
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func test_imagePreviewURL_withLocalFileURL_insertsPreviewCorrectly() {
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// Given
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let url = URL(fileURLWithPath: "/Users/test/Documents/screenshot.png")
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// When
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let result = url.imagePreviewURL
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// Then
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XCTAssertEqual(
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result.path,
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"/Users/test/Documents/screenshot.preview.jpg",
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"It should work with local file URLs and use .preview.jpg extension"
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)
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}
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func test_imagePreviewURL_withMultipleDots_insertsPreviewBeforeLastExtension() {
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// Given
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let url = URL(string: "https://example.com/files/image.backup.jpg")!
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// When
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let result = url.imagePreviewURL
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// Then
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XCTAssertEqual(
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result.absoluteString,
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"https://example.com/files/image.backup.preview.jpg",
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"It should replace the last extension with .preview.jpg when multiple dots exist"
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)
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}
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func test_imagePreviewURL_withSingleCharacterFilename_insertsPreviewCorrectly() {
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// Given
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let url = URL(string: "https://example.com/a.jpg")!
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// When
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let result = url.imagePreviewURL
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// Then
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XCTAssertEqual(
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result.absoluteString,
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"https://example.com/a.preview.jpg",
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"It should handle single character filenames and use .preview.jpg extension"
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)
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}
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}
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