[test] Put shared test projects INPUTS into bundle resources

Documentation/Development.md

@@ -20,10 +20,10 @@ Most indexer tests follow a pattern:
 
 ### Test Projects (Fixtures)
 
-Index test projects should be put in the `Tests/INPUTS` directory, and use the [Tibs](Tibs.md) build system to define their sources and targets. An example test project might look like:
+Index test projects should be put in the `ISDBTestSupport/INPUTS` directory, and use the [Tibs](Tibs.md) build system to define their sources and targets. An example test project might look like:
 
 ```
-Tests/
+ISDBTestSupport/
   INPUTS/
     MyTestProj/
       a.swift

Documentation/Tibs.md

@@ -4,7 +4,7 @@ Tibs ("Test Index Build System") is a simple and flexible build system designed
 
 Tibs is implemented using [Ninja](https://ninja-build.org), which introduces a new dependency in IndexStoreDB when running tests.
 
-Tibs projects are described by a `project.json` file containing one or more targets. Typically, a test case will use a project fixture located in the `Tests/INPUTS` directory.
+Tibs projects are described by a `project.json` file containing one or more targets. Typically, a test case will use a project fixture located in the `INPUTS` directory.
 
 ## Project
 

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.2
+// swift-tools-version:5.3
 
 import PackageDescription
 
@@ -25,7 +25,8 @@ let package = Package(
 
     .target(
       name: "IndexStoreDB",
-      dependencies: ["IndexStoreDB_CIndexStoreDB"]),
+      dependencies: ["IndexStoreDB_CIndexStoreDB"],
+      exclude: ["CMakeLists.txt"]),
 
     .testTarget(
       name: "IndexStoreDBTests",
@@ -40,7 +41,7 @@ let package = Package(
 
     .testTarget(
       name: "ISDBTibsTests",
-      dependencies: ["ISDBTibs"]),
+      dependencies: ["ISDBTibs", "ISDBTestSupport"]),
 
     // Commandline tool for working with tibs projects.
     .target(
@@ -50,27 +51,40 @@ let package = Package(
     // Test support library, built on top of tibs.
     .target(
       name: "ISDBTestSupport",
-      dependencies: ["IndexStoreDB", "ISDBTibs", "tibs"]),
+      dependencies: ["IndexStoreDB", "ISDBTibs", "tibs"],
+      resources: [
+        .copy("INPUTS")
+      ]),
 
     // MARK: C++ interface
 
     // Primary C++ interface.
     .target(
       name: "IndexStoreDB_Index",
       dependencies: ["IndexStoreDB_Database"],
-      path: "lib/Index"),
+      path: "lib/Index",
+      exclude: [
+        "CMakeLists.txt",
+        "indexstore_functions.def",
+      ]),
 
     // C wrapper for IndexStoreDB_Index.
     .target(
       name: "IndexStoreDB_CIndexStoreDB",
       dependencies: ["IndexStoreDB_Index"],
-      path: "lib/CIndexStoreDB"),
+      path: "lib/CIndexStoreDB",
+      exclude: ["CMakeLists.txt"]),
 
     // The lmdb database layer.
     .target(
       name: "IndexStoreDB_Database",
       dependencies: ["IndexStoreDB_Core"],
       path: "lib/Database",
+      exclude: [
+        "CMakeLists.txt",
+        "lmdb/LICENSE",
+        "lmdb/COPYRIGHT",
+      ],
       cSettings: [
         .define("MDB_USE_POSIX_MUTEX", to: "1",
                 // Windows does not use POSIX mutex
@@ -82,19 +96,47 @@ let package = Package(
     .target(
       name: "IndexStoreDB_Core",
       dependencies: ["IndexStoreDB_Support"],
-      path: "lib/Core"),
+      path: "lib/Core",
+      exclude: ["CMakeLists.txt"]),
 
     // Support code that is generally useful to the C++ implementation.
     .target(
       name: "IndexStoreDB_Support",
       dependencies: ["IndexStoreDB_LLVMSupport"],
-      path: "lib/Support"),
+      path: "lib/Support",
+      exclude: ["CMakeLists.txt"]),
 
     // Copy of a subset of llvm's ADT and Support libraries.
     .target(
       name: "IndexStoreDB_LLVMSupport",
       dependencies: [],
-      path: "lib/LLVMSupport"),
+      path: "lib/LLVMSupport",
+      exclude: [
+        "LICENSE.TXT",
+        "CMakeLists.txt",
+        // *.inc, *.def
+        "include/llvm/Support/AArch64TargetParser.def",
+        "include/llvm/Support/ARMTargetParser.def",
+        "include/llvm/Support/X86TargetParser.def",
+        "Support/Unix/Host.inc",
+        "Support/Unix/Memory.inc",
+        "Support/Unix/Mutex.inc",
+        "Support/Unix/Path.inc",
+        "Support/Unix/Process.inc",
+        "Support/Unix/Program.inc",
+        "Support/Unix/Signals.inc",
+        "Support/Unix/Threading.inc",
+        "Support/Unix/Watchdog.inc",
+        "Support/Windows/Host.inc",
+        "Support/Windows/Memory.inc",
+        "Support/Windows/Mutex.inc",
+        "Support/Windows/Path.inc",
+        "Support/Windows/Process.inc",
+        "Support/Windows/Program.inc",
+        "Support/Windows/Signals.inc",
+        "Support/Windows/Threading.inc",
+        "Support/Windows/Watchdog.inc",
+      ]),
   ],
 
   cxxLanguageStandard: .cxx14

Sources/ISDBTestSupport/TibsTestWorkspace.swift

@@ -207,15 +207,14 @@ extension XCTestCase {
   ///   support this test.
   public func staticTibsTestWorkspace(
     name: String,
-    useExplicitOutputUnits: Bool = false,
-    testFile: String = #file
+    useExplicitOutputUnits: Bool = false
   ) throws -> TibsTestWorkspace? {
     let testDirName = testDirectoryName
 
     let toolchain = TibsToolchain.testDefault
 
     let workspace = try TibsTestWorkspace(
-      immutableProjectDir: inputsDirectory(testFile: testFile)
+      immutableProjectDir: XCTestCase.isdbInputsDirectory
         .appendingPathComponent(name, isDirectory: true),
       persistentBuildDir: XCTestCase.productsDirectory
         .appendingPathComponent("isdb-tests/\(testDirName)", isDirectory: true),
@@ -242,16 +241,13 @@ extension XCTestCase {
   ///   * name: The name of the test, which is its path relative to INPUTS.
   /// * returns: An immutable TibsTestWorkspace, or nil and prints a warning if toolchain does not
   ///   support this test.
-  public func mutableTibsTestWorkspace(
-    name: String,
-    testFile: String = #file
-  ) throws -> TibsTestWorkspace? {
+  public func mutableTibsTestWorkspace(name: String) throws -> TibsTestWorkspace? {
     let testDirName = testDirectoryName
 
     let toolchain = TibsToolchain.testDefault
 
     let workspace = try TibsTestWorkspace(
-      projectDir: inputsDirectory(testFile: testFile)
+      projectDir: XCTestCase.isdbInputsDirectory
         .appendingPathComponent(name, isDirectory: true),
       tmpDir: URL(fileURLWithPath: NSTemporaryDirectory())
         .appendingPathComponent("isdb-test-data/\(testDirName)", isDirectory: true),
@@ -267,25 +263,49 @@ extension XCTestCase {
     return workspace
   }
 
-  /// The path the the test INPUTS directory.
-  public func inputsDirectory(testFile: String = #file) -> URL {
-    return URL(fileURLWithPath: testFile)
-      .deletingLastPathComponent()
-      .deletingLastPathComponent()
-      .appendingPathComponent("INPUTS", isDirectory: true)
-  }
+  /// The bundle of the currently executing test.
+  public static var testBundle: Bundle = {
+    #if os(macOS)
+      if let bundle =  Bundle.allBundles.first(where: { $0.bundlePath.hasSuffix(".xctest") }) {
+        return bundle
+      }
+      fatalError("couldn't find the test bundle")
+    #else
+      return Bundle.main
+    #endif
+  }()
 
   /// The path to the built products directory.
-  public static var productsDirectory: URL {
+  public static var productsDirectory: URL = {
     #if os(macOS)
-      for bundle in Bundle.allBundles where bundle.bundlePath.hasSuffix(".xctest") {
-          return bundle.bundleURL.deletingLastPathComponent()
-      }
-      fatalError("couldn't find the products directory")
+      return testBundle.bundleURL.deletingLastPathComponent()
     #else
-      return Bundle.main.bundleURL
+      return testBundle.bundleURL
     #endif
-  }
+  }()
+
+  /// The path to the INPUTS directory of shared test projects.
+  public static var isdbInputsDirectory: URL = {
+    // FIXME: Use Bundle.module.resourceURL once the fix for SR-12912 is released.
+    #if os(macOS)
+    var resources = XCTestCase.productsDirectory
+      .appendingPathComponent("IndexStoreDB_ISDBTestSupport.bundle")
+      .appendingPathComponent("Contents")
+      .appendingPathComponent("Resources")
+    if !FileManager.default.fileExists(atPath: resources.path) {
+      // Xcode and command-line swiftpm differ about the path.
+      resources.deleteLastPathComponent()
+      resources.deleteLastPathComponent()
+    }
+    #else
+    let resources = XCTestCase.productsDirectory
+      .appendingPathComponent("IndexStoreDB_ISDBTestSupport.resources")
+    #endif
+    guard FileManager.default.fileExists(atPath: resources.path) else {
+      fatalError("missing resources \(resources.path)")
+    }
+    return resources.appendingPathComponent("INPUTS", isDirectory: true).standardizedFileURL
+  }()
 
   /// The name of this test, mangled for use as a directory.
   public var testDirectoryName: String {

Tests/ISDBTibsTests/TibsBuildTests.swift

@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 import ISDBTibs
+import ISDBTestSupport
 import Foundation
 import XCTest
 
@@ -117,17 +118,3 @@ final class TibsBuildTests: XCTestCase {
     XCTAssertEqual(try builder._buildTest(), [dcpp.path, emm.path])
   }
 }
-
-extension XCTestCase {
-
-  /// The name of this test, mangled for use as a directory.
-  public var testDirectoryName: String {
-    guard name.starts(with: "-[") else {
-      return name
-    }
-
-    let className = name.dropFirst(2).prefix(while: { $0 != " " })
-    let methodName = name[className.endIndex...].dropFirst().prefix(while: { $0 != "]"})
-    return "\(className).\(methodName)"
-  }
-}

Tests/ISDBTibsTests/TibsResolutionTests.swift

@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 import ISDBTibs
+import ISDBTestSupport
 import Foundation
 import XCTest
 
@@ -200,8 +201,5 @@ final class TibsResolutionTests: XCTestCase {
 }
 
 func projectDir(_ name: String) -> URL {
-  return URL(fileURLWithPath: #file)
-    .deletingLastPathComponent()
-    .deletingLastPathComponent()
-    .appendingPathComponent("INPUTS/\(name)", isDirectory: true)
+  XCTestCase.isdbInputsDirectory.appendingPathComponent(name, isDirectory: true)
 }

Tests/IndexStoreDBTests/LocationScannerTests.swift

@@ -155,10 +155,8 @@ final class LocationScannerTests: XCTestCase {
   }
 
   func testDirectory() throws {
-    let proj1 = URL(fileURLWithPath: #file)
-      .deletingLastPathComponent()
-      .deletingLastPathComponent()
-      .appendingPathComponent("INPUTS/proj1", isDirectory: true)
+    let proj1 = XCTestCase.isdbInputsDirectory
+      .appendingPathComponent("proj1", isDirectory: true)
     XCTAssertEqual(try scanDir(proj1), [
       Loc(url: proj1.appendingPathComponent("a.swift", isDirectory: false), "a:def", 1, 15),
       Loc(url: proj1.appendingPathComponent("a.swift", isDirectory: false), "b:call", 2, 13),