1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2023 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 OrderedCollections
import PackageGraph
import PackageLoading
import PackageModel
import SPMTestSupport
import XCTest
import class TSCBasic.InMemoryFileSystem
import class TSCTestSupport.XCTestCasePerf
final class PackageGraphPerfTests: XCTestCasePerf {
func testLoading100Packages() throws {
#if !os(macOS)
try XCTSkipIf(true, "test is only supported on macOS")
#endif
let N = 100
let files = (1...N).map { "/Foo\($0)/source.swift" }
let fs = InMemoryFileSystem(emptyFiles: files)
let identityResolver = DefaultIdentityResolver()
var externalManifests = OrderedCollections.OrderedDictionary<PackageIdentity, (manifest: Manifest, fs: FileSystem)>()
var rootManifest: Manifest!
for pkg in 1...N {
let name = "Foo\(pkg)"
let location = "/" + name
let dependencies: [PackageDependency]
let targets: [TargetDescription]
// Create package.
if pkg == N {
dependencies = []
targets = [try TargetDescription(name: name, path: ".")]
} else {
let depName = "Foo\(pkg + 1)"
let depUrl = "/\(depName)"
dependencies = [.localSourceControl(
deprecatedName: depName,
path: try .init(validating: depUrl),
requirement: .upToNextMajor(from: "1.0.0")
)]
targets = [try TargetDescription(
name: name,
dependencies: [.byName(name: depName, condition: nil)],
path: "."
)]
}
// Create manifest.
let isRoot = pkg == 1
let manifest = Manifest.createManifest(
displayName: name,
path: try AbsolutePath(validating: location).appending(component: Manifest.filename),
packageKind: isRoot ? .root(try .init(validating: location)) : .localSourceControl(try .init(validating: location)),
packageLocation: location,
platforms: [],
version: "1.0.0",
toolsVersion: .v4_2,
dependencies: dependencies,
products: [
try ProductDescription(name: name, type: .library(.automatic), targets: [name])
],
targets: targets
)
if isRoot {
rootManifest = manifest
} else {
let identity = try identityResolver.resolveIdentity(for: manifest.packageKind)
externalManifests[identity] = (manifest, fs)
}
}
measure {
let observability = ObservabilitySystem.makeForTesting()
let g = try! ModulesGraph.load(
root: PackageGraphRoot(
input: PackageGraphRootInput(packages: [rootManifest.path]),
manifests: [rootManifest.path: rootManifest],
observabilityScope: observability.topScope
),
identityResolver: identityResolver,
externalManifests: externalManifests,
binaryArtifacts: [:],
fileSystem: fs,
observabilityScope: observability.topScope
)
XCTAssertEqual(g.packages.count, N)
XCTAssertNoDiagnostics(observability.diagnostics)
}
}
func testEfficientCycleDetection() throws {
let lastPackageNumber = 20
let packageNumberSequence = (1...lastPackageNumber)
let fs = InMemoryFileSystem(
emptyFiles: packageNumberSequence.map({ "/Package\($0)/Sources/Target\($0)/s.swift" }) +
["/PackageA/Sources/TargetA/s.swift"]
)
let packageSequence: [Manifest] = try packageNumberSequence.map { (sequenceNumber: Int) -> Manifest in
let dependencySequence = sequenceNumber < lastPackageNumber ? Array((sequenceNumber + 1)...lastPackageNumber) : []
return Manifest.createFileSystemManifest(
displayName: "Package\(sequenceNumber)",
path: try .init(validating: "/Package\(sequenceNumber)"),
toolsVersion: .v5_7,
dependencies: try dependencySequence.map({ .fileSystem(path: try .init(validating: "/Package\($0)")) }),
products: [
try .init(
name: "Package\(sequenceNumber)",
type: .library(.dynamic),
targets: ["Target\(sequenceNumber)"]
)
],
targets: [
try .init(
name: "Target\(sequenceNumber)",
dependencies: dependencySequence.map {
.product(name: "Target\($0)", package: "Package\($0)")
}
)
]
)
}
let root = Manifest.createRootManifest(
displayName: "PackageA",
path: "/PackageA",
toolsVersion: .v5_7,
dependencies: try packageNumberSequence.map({ .fileSystem(path: try .init(validating: "/Package\($0)")) }),
targets: [try .init(name: "TargetA", dependencies: ["Target1"]) ]
)
let observability = ObservabilitySystem.makeForTesting()
let N = 1
measure {
do {
for _ in 0..<N {
_ = try loadModulesGraph(
fileSystem: fs,
manifests: [root] + packageSequence,
observabilityScope: observability.topScope
)
}
} catch {
XCTFail("Loading package graph is not expected to fail in this test.")
}
}
}
func testRecursiveDependencies() throws {
var resolvedTarget = ResolvedModule.mock(packageIdentity: "pkg", name: "t0")
for i in 1..<1000 {
resolvedTarget = ResolvedModule.mock(packageIdentity: "pkg", name: "t\(i)", deps: resolvedTarget)
}
let N = 10
measure {
do {
for _ in 0..<N {
_ = try resolvedTarget.recursiveModuleDependencies()
}
} catch {
XCTFail("Loading package graph is not expected to fail in this test.")
}
}
}
}
|
