Add additional test cases to the ModuleAliasing suite (#8155)

Author: bkhouri

Fixtures/ModuleAliasing/NestedDeps1/AppPkg/Sources/App/main.swift

@@ -3,7 +3,7 @@ import X
 import AFooUtils
 import CarUtils
 import XFooUtils
-import Utils
+import XUtils
 
 funcInA()
 funcInX()

Fixtures/ModuleAliasing/NestedDeps2/AppPkg/Sources/App/main.swift

@@ -9,7 +9,7 @@
 */
 
 import A
-import Utils
+import XUtils
 
 print("START")
 

Tests/FunctionalTests/ModuleAliasingFixtureTests.swift

@@ -41,4 +41,34 @@ final class ModuleAliasingFixtureTests: XCTestCase {
             _ = try await SwiftPM.Build.execute(packagePath: pkgPath)
         }
     }
+
+    func testModuleNestedDeps1() async throws {
+        try await fixture(name: "ModuleAliasing/NestedDeps1") { fixturePath in
+            let pkgPath = fixturePath.appending(components: "AppPkg")
+            let buildPath = pkgPath.appending(components: ".build", try UserToolchain.default.targetTriple.platformBuildPathComponent, "debug")
+            await XCTAssertBuilds(pkgPath, extraArgs: ["--vv"])
+            XCTAssertFileExists(buildPath.appending(components: "App"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "A.swiftmodule"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "AFooUtils.swiftmodule"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "CarUtils.swiftmodule"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "X.swiftmodule"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "XFooUtils.swiftmodule"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "XUtils.swiftmodule"))
+            _ = try await SwiftPM.Build.execute(packagePath: pkgPath)
+        }
+    }
+
+    func testModuleNestedDeps2() async throws {
+        try await fixture(name: "ModuleAliasing/NestedDeps2") { fixturePath in
+            let pkgPath = fixturePath.appending(components: "AppPkg")
+            let buildPath = pkgPath.appending(components: ".build", try UserToolchain.default.targetTriple.platformBuildPathComponent, "debug")
+            await XCTAssertBuilds(pkgPath, extraArgs: ["--vv"])
+            XCTAssertFileExists(buildPath.appending(components: "App"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "A.swiftmodule"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "BUtils.swiftmodule"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "CUtils.swiftmodule"))
+            XCTAssertFileExists(buildPath.appending(components: "Modules", "XUtils.swiftmodule"))
+            _ = try await SwiftPM.Build.execute(packagePath: pkgPath)
+        }
+    }
 }