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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Basics
import Dispatch
import PackageModel
import PackageLoading
import PackageGraph
import func XCTest.XCTFail
import struct TSCUtility.Version
public enum MockManifestLoaderError: Swift.Error {
case unknownRequest(String)
}
/// A mock manifest loader implementation.
///
/// This implementation takes a canned set of manifests for known URLs and
/// versions and exposes them via the `ManifestLoaderProtocol`, for use in
/// testing higher-level clients which use manifests, but don't require testing
/// the loading logic itself.
///
/// This implementation will throw an error if a request to load an unknown
/// manifest is made.
public final class MockManifestLoader: ManifestLoaderProtocol {
public struct Key: Hashable {
public let url: String
public let version: Version?
public init(url: String, version: Version? = nil) {
self.url = url
self.version = version
}
}
public let manifests: ThreadSafeKeyValueStore<Key, Manifest>
public init(manifests: [Key: Manifest]) {
self.manifests = ThreadSafeKeyValueStore<Key, Manifest>(manifests)
}
public func load(
manifestPath: AbsolutePath,
manifestToolsVersion: ToolsVersion,
packageIdentity: PackageIdentity,
packageKind: PackageReference.Kind,
packageLocation: String,
packageVersion: (version: Version?, revision: String?)?,
identityResolver: IdentityResolver,
dependencyMapper: DependencyMapper,
fileSystem: FileSystem,
observabilityScope: ObservabilityScope,
delegateQueue: DispatchQueue,
callbackQueue: DispatchQueue,
completion: @escaping (Result<Manifest, Error>) -> Void
) {
callbackQueue.async {
let key = Key(url: packageLocation, version: packageVersion?.version)
if let result = self.manifests[key] {
return completion(.success(result))
} else {
return completion(.failure(MockManifestLoaderError.unknownRequest("\(key)")))
}
}
}
public func resetCache(observabilityScope: ObservabilityScope) {}
public func purgeCache(observabilityScope: ObservabilityScope) {}
}
extension ManifestLoader {
public func load(
manifestPath: AbsolutePath,
packageKind: PackageReference.Kind,
toolsVersion manifestToolsVersion: ToolsVersion,
identityResolver: IdentityResolver = DefaultIdentityResolver(),
dependencyMapper: DependencyMapper? = .none,
fileSystem: FileSystem,
observabilityScope: ObservabilityScope
) async throws -> Manifest{
let packageIdentity: PackageIdentity
let packageLocation: String
switch packageKind {
case .root(let path):
packageIdentity = try identityResolver.resolveIdentity(for: path)
packageLocation = path.pathString
case .fileSystem(let path):
packageIdentity = try identityResolver.resolveIdentity(for: path)
packageLocation = path.pathString
case .localSourceControl(let path):
packageIdentity = try identityResolver.resolveIdentity(for: path)
packageLocation = path.pathString
case .remoteSourceControl(let url):
packageIdentity = try identityResolver.resolveIdentity(for: url)
packageLocation = url.absoluteString
case .registry(let identity):
packageIdentity = identity
// FIXME: placeholder
packageLocation = identity.description
}
return try await self.load(
manifestPath: manifestPath,
manifestToolsVersion: manifestToolsVersion,
packageIdentity: packageIdentity,
packageKind: packageKind,
packageLocation: packageLocation,
packageVersion: nil,
identityResolver: identityResolver,
dependencyMapper: dependencyMapper ?? DefaultDependencyMapper(identityResolver: identityResolver),
fileSystem: fileSystem,
observabilityScope: observabilityScope,
delegateQueue: .sharedConcurrent,
callbackQueue: .sharedConcurrent
)
}
}
extension ManifestLoader {
public func load(
packagePath: AbsolutePath,
packageKind: PackageReference.Kind,
currentToolsVersion: ToolsVersion,
identityResolver: IdentityResolver = DefaultIdentityResolver(),
dependencyMapper: DependencyMapper? = .none,
fileSystem: FileSystem,
observabilityScope: ObservabilityScope
) async throws -> Manifest{
let packageIdentity: PackageIdentity
let packageLocation: String
switch packageKind {
case .root(let path):
packageIdentity = try identityResolver.resolveIdentity(for: path)
packageLocation = path.pathString
case .fileSystem(let path):
packageIdentity = try identityResolver.resolveIdentity(for: path)
packageLocation = path.pathString
case .localSourceControl(let path):
packageIdentity = try identityResolver.resolveIdentity(for: path)
packageLocation = path.pathString
case .remoteSourceControl(let url):
packageIdentity = try identityResolver.resolveIdentity(for: url)
packageLocation = url.absoluteString
case .registry(let identity):
packageIdentity = identity
// FIXME: placeholder
packageLocation = identity.description
}
return try await self.load(
packagePath: packagePath,
packageIdentity: packageIdentity,
packageKind: packageKind,
packageLocation: packageLocation,
packageVersion: nil,
currentToolsVersion: currentToolsVersion,
identityResolver: identityResolver,
dependencyMapper: dependencyMapper ?? DefaultDependencyMapper(identityResolver: identityResolver),
fileSystem: fileSystem,
observabilityScope: observabilityScope,
delegateQueue: .sharedConcurrent,
callbackQueue: .sharedConcurrent
)
}
}
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