Swift: Make file checking in integration tests more strict

With Swift 6.1 the extractor will start to extract files outside of the test
directory. These files and their elements we do not want to see in our tests.

swift/ql/integration-tests/autobuilder/xcode-fails-spm-works/Files.ql

@@ -1,4 +1,5 @@
 import swift
 
 from File f
+where exists(f.getRelativePath()) or f instanceof UnknownFile
 select f

swift/ql/integration-tests/osx/canonical-case/Files.ql

@@ -1,4 +1,5 @@
 import swift
 
 from File f
+where exists(f.getRelativePath()) or f instanceof UnknownFile
 select f

swift/ql/integration-tests/osx/hello-ios/Files.ql

@@ -1,4 +1,5 @@
 import swift
 
 from File f
+where exists(f.getRelativePath()) or f instanceof UnknownFile
 select f

swift/ql/integration-tests/osx/hello-xcode/Files.ql

@@ -1,4 +1,5 @@
 import swift
 
 from File f
+where exists(f.getRelativePath()) or f instanceof UnknownFile
 select f

swift/ql/integration-tests/posix/cross-references/Classes.ql

@@ -1,5 +1,7 @@
 import swift
 
 from ClassDecl d
-where d.getLocation().getFile().getBaseName() != "Package.swift"
+where
+  d.getLocation().getFile().getBaseName() != "Package.swift" and
+  exists(d.getLocation().getFile().getRelativePath())
 select d

swift/ql/integration-tests/posix/cross-references/Deinitializers.ql

@@ -1,5 +1,7 @@
 import swift
 
 from Deinitializer d
-where d.getLocation().getFile().getBaseName() != "Package.swift"
+where
+  d.getLocation().getFile().getBaseName() != "Package.swift" and
+  exists(d.getLocation().getFile().getRelativePath())
 select d

swift/ql/integration-tests/posix/cross-references/Enums.ql

@@ -1,5 +1,7 @@
 import swift
 
 from EnumDecl d
-where d.getLocation().getFile().getBaseName() != "Package.swift"
+where
+  d.getLocation().getFile().getBaseName() != "Package.swift" and
+  exists(d.getLocation().getFile().getRelativePath())
 select d

swift/ql/integration-tests/posix/cross-references/Functions.ql

@@ -1,5 +1,7 @@
 import codeql.swift.elements.decl.internal.AccessorOrNamedFunction
 
 from AccessorOrNamedFunction f
-where f.getLocation().getFile().getBaseName() != "Package.swift"
+where
+  f.getLocation().getFile().getBaseName() != "Package.swift" and
+  exists(f.getLocation().getFile().getRelativePath())
 select f

swift/ql/integration-tests/posix/cross-references/Initializers.ql

@@ -1,5 +1,7 @@
 import swift
 
 from Initializer d
-where d.getLocation().getFile().getBaseName() != "Package.swift"
+where
+  d.getLocation().getFile().getBaseName() != "Package.swift" and
+  exists(d.getLocation().getFile().getRelativePath())
 select d

swift/ql/integration-tests/posix/cross-references/Protocols.ql

@@ -1,5 +1,7 @@
 import swift
 
 from ProtocolDecl d
-where d.getLocation().getFile().getBaseName() != "Package.swift"
+where
+  d.getLocation().getFile().getBaseName() != "Package.swift" and
+  exists(d.getLocation().getFile().getRelativePath())
 select d

swift/ql/integration-tests/posix/cross-references/Structs.ql

@@ -1,5 +1,7 @@
 import swift
 
 from StructDecl d
-where d.getLocation().getFile().getBaseName() != "Package.swift"
+where
+  d.getLocation().getFile().getBaseName() != "Package.swift" and
+  exists(d.getLocation().getFile().getRelativePath())
 select d

swift/ql/integration-tests/posix/cross-references/VarDecls.ql

@@ -1,5 +1,7 @@
 import swift
 
 from VarDecl d
-where d.getLocation().getFile().getBaseName() != "Package.swift"
+where
+  d.getLocation().getFile().getBaseName() != "Package.swift" and
+  exists(d.getLocation().getFile().getRelativePath())
 select d

swift/ql/integration-tests/posix/frontend-invocations/Files.ql

@@ -1,4 +1,5 @@
 import swift
 
 from File f
+where exists(f.getRelativePath()) or f instanceof UnknownFile
 select f

swift/ql/integration-tests/posix/hello-world/test.ql

@@ -1,4 +1,5 @@
 import swift
 
 from File f
+where exists(f.getRelativePath()) or f instanceof UnknownFile
 select f

swift/ql/integration-tests/posix/symlinks/Files.ql

@@ -1,4 +1,5 @@
 import swift
 
 from File f
+where exists(f.getRelativePath()) or f instanceof UnknownFile
 select f