83 lines
3.6 KiB
Swift
83 lines
3.6 KiB
Swift
import XCTest
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import Foundation
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@testable import ForgeOffload
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final class MHLTests: XCTestCase {
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var root: String!
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override func setUpWithError() throws {
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root = NSTemporaryDirectory() + "forge-mhl-\(UUID().uuidString)"
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try FileManager.default.createDirectory(atPath: root + "/CLIPS", withIntermediateDirectories: true)
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try Data("clip one contents".utf8).write(to: URL(fileURLWithPath: root + "/CLIPS/C001.mov"))
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try Data("clip two contents, longer".utf8).write(to: URL(fileURLWithPath: root + "/CLIPS/C002.mov"))
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}
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override func tearDown() {
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try? FileManager.default.removeItem(atPath: root)
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}
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// MHL XML structure: hashlist root, creatorinfo, hash entries with file/size/xxh64.
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func testWriteStructure() throws {
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let xml = try MHL.generate(root: root, creator: "Forge 0.1", files: ["CLIPS/C001.mov", "CLIPS/C002.mov"])
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XCTAssertTrue(xml.hasPrefix("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<hashlist version=\"2.0\">"))
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XCTAssertTrue(xml.contains("<creatorinfo>"))
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XCTAssertTrue(xml.contains("<tool>Forge 0.1</tool>"))
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XCTAssertTrue(xml.contains("<path>CLIPS/C001.mov</path>"))
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XCTAssertTrue(xml.contains("<size>17</size>"))
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XCTAssertTrue(xml.contains("<xxh64>"))
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XCTAssertTrue(xml.hasSuffix("</hashlist>\n"))
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}
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// Verify: clean tree passes.
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func testVerifyClean() throws {
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let xml = try MHL.generate(root: root, creator: "Forge", files: ["CLIPS/C001.mov", "CLIPS/C002.mov"])
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let result = try MHL.verify(manifest: xml, root: root)
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XCTAssertTrue(result.passed)
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XCTAssertEqual(result.checked, 2)
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XCTAssertTrue(result.failures.isEmpty)
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}
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// Tamper detection: flipped byte fails that file.
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func testVerifyTamperDetected() throws {
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let xml = try MHL.generate(root: root, creator: "Forge", files: ["CLIPS/C001.mov", "CLIPS/C002.mov"])
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try Data("clip one CONTENTS".utf8).write(to: URL(fileURLWithPath: root + "/CLIPS/C001.mov"))
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let result = try MHL.verify(manifest: xml, root: root)
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XCTAssertFalse(result.passed)
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XCTAssertEqual(result.failures.count, 1)
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XCTAssertEqual(result.failures[0].path, "CLIPS/C001.mov")
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XCTAssertEqual(result.failures[0].reason, .hashMismatch)
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}
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// Missing file fails verify.
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func testVerifyMissingFile() throws {
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let xml = try MHL.generate(root: root, creator: "Forge", files: ["CLIPS/C001.mov", "CLIPS/C002.mov"])
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try FileManager.default.removeItem(atPath: root + "/CLIPS/C002.mov")
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let result = try MHL.verify(manifest: xml, root: root)
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XCTAssertFalse(result.passed)
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XCTAssertEqual(result.failures[0].reason, .missing)
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}
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// Round trip through file on disk.
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func testManifestFileRoundTrip() throws {
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let mhlPath = root + "/A001.mhl"
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try MHL.write(root: root!, creator: "Forge", files: ["CLIPS/C001.mov"], to: mhlPath)
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let loaded = try String(contentsOfFile: mhlPath, encoding: .utf8)
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let result = try MHL.verify(manifest: loaded, root: root)
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XCTAssertTrue(result.passed)
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}
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// Malformed manifest rejected.
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func testMalformedManifestRejected() {
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XCTAssertThrowsError(try MHL.verify(manifest: "<not-mhl/>", root: root))
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}
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// XML escaping in paths.
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func testPathEscaping() throws {
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try Data("x".utf8).write(to: URL(fileURLWithPath: root + "/a&b.mov"))
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let xml = try MHL.generate(root: root, creator: "Forge", files: ["a&b.mov"])
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XCTAssertTrue(xml.contains("<path>a&b.mov</path>"))
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let result = try MHL.verify(manifest: xml, root: root)
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XCTAssertTrue(result.passed)
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}
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}
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