failing test showing issue 2021

tests/test_compile.py

@@ -26,3 +26,20 @@ def test_import_as_with_context_deterministic(tmp_path):
     expect = [f"'bar{i}': " for i in range(10)]
     found = re.findall(r"'bar\d': ", content)[:10]
     assert found == expect
+
+
+def test_set_vars_unpacking_deterministic(tmp_path):
+    src = "\n".join(f"{{% set a{i}, b{i}, c{i} = tuple_var{i} %}}" for i in range(10))
+    env = Environment(loader=DictLoader({"foo": src}))
+    env.compile_templates(tmp_path, zip=None)
+    name = os.listdir(tmp_path)[0]
+    content = (tmp_path / name).read_text("utf8")
+    expect = [
+        f"context.vars.update({{'a{i}': l_0_a{i}, 'b{i}': l_0_b{i}, 'c{i}': l_0_c{i}}})"
+        for i in range(10)
+    ]
+    found = re.findall(
+        r"context.vars.update\(\{'a\d': l_0_a\d, 'b\d': l_0_b\d, 'c\d': l_0_c\d\}\)",
+        content,
+    )[:10]
+    assert found == expect