Handle Julia 1.14's syntax-versioned module expression in @testsetup

Project.toml

@@ -1,6 +1,6 @@
 name = "ReTestItems"
 uuid = "817f1d60-ba6b-4fd5-9520-3cf149f6a823"
-version = "1.35.3"
+version = "1.35.4"
 
 [deps]
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"

src/ReTestItems.jl

@@ -1055,8 +1055,9 @@ function ensure_setup!(ctx::TestContext, setup::Symbol, setups::Vector{TestSetup
         isassigned(ts.logstore) && close(ts.logstore[])
         ts.logstore[] = open(logpath(ts), "w")
         mod_expr = :(module $(gensym(ts.name)) end)
-        # replace the module expr body with our @testsetup code
-        mod_expr.args[3] = ts.code
+        # replace the module expr body with our @testsetup code; the body is always the last
+        # argument, whether or not the parser prepended a syntax version (Julia 1.14+)
+        mod_expr.args[end] = ts.code
         newmod = _redirect_logs(logs == :eager ? DEFAULT_STDOUT[] : ts.logstore[]) do
             with_source_path(() -> Core.eval(Main, mod_expr), ts.file)
         end

src/macros.jl

@@ -49,7 +49,8 @@ A `@testitem` depends on a `@testsetup` via the `setup` keyword e.g
 """
 macro testsetup(mod)
     (mod isa Expr && mod.head == :module) || error("`@testsetup` expects a `module ... end` argument")
-    _, name, code = mod.args
+    # Julia 1.14 may prepend a syntax version: `Expr(:module, [version,] std_imports, name, body)`
+    name, code = mod.args[end-1], mod.args[end]
     name isa Symbol || error("`@testsetup module` expects a valid module name")
     nm = QuoteNode(name)
     q = QuoteNode(code)

test/macros.jl

@@ -27,6 +27,16 @@ end
     @test ts.name == :TS1
 end
 
+@testset "testsetup macro with syntax-versioned module" begin
+    # Under a 1.14 syntax version the parser prepends that version to the `module` expression
+    # a macro receives: `Expr(:module, v"1.14.0", true, :Name, body)` (JuliaLang/julia#60018).
+    # Build that form directly so it is covered on every Julia version, not only on 1.14+.
+    mod = Expr(:module, v"1.14.0", true, :TSVersioned, Expr(:block, :(x = 1)))
+    ts = @eval @testsetup $mod
+    @test ts.name == :TSVersioned
+    @test ts.code == Expr(:block, :(x = 1))
+end
+
 @testset "testitem macro basic" begin
     ti = no_run() do
         @testitem "TI1" begin