Fix Rust macro invocations not accepting a path (#837)

1 files changed, 45 insertions, 0 deletions

diff --git a/askama_derive/src/parser/tests.rs b/askama_derive/src/parser/tests.rs
index 91bb09b..801e787 100644
--- a/askama_derive/src/parser/tests.rs
+++ b/askama_derive/src/parser/tests.rs
@@ -222,6 +222,51 @@ fn test_parse_root_path() {
 }
 
 #[test]
+fn test_rust_macro() {
+    let syntax = Syntax::default();
+    assert_eq!(
+        super::parse("{{ vec!(1, 2, 3) }}", &syntax).unwrap(),
+        vec![Node::Expr(
+            Ws(None, None),
+            Expr::RustMacro(vec!["vec"], "1, 2, 3",),
+        )],
+    );
+    assert_eq!(
+        super::parse("{{ alloc::vec!(1, 2, 3) }}", &syntax).unwrap(),
+        vec![Node::Expr(
+            Ws(None, None),
+            Expr::RustMacro(vec!["alloc", "vec"], "1, 2, 3",),
+        )],
+    );
+    assert_eq!(
+        super::parse("{{a!()}}", &syntax).unwrap(),
+        [Node::Expr(Ws(None, None), Expr::RustMacro(vec!["a"], ""))],
+    );
+    assert_eq!(
+        super::parse("{{a !()}}", &syntax).unwrap(),
+        [Node::Expr(Ws(None, None), Expr::RustMacro(vec!["a"], ""))],
+    );
+    assert_eq!(
+        super::parse("{{a! ()}}", &syntax).unwrap(),
+        [Node::Expr(Ws(None, None), Expr::RustMacro(vec!["a"], ""))],
+    );
+    assert_eq!(
+        super::parse("{{a ! ()}}", &syntax).unwrap(),
+        [Node::Expr(Ws(None, None), Expr::RustMacro(vec!["a"], ""))],
+    );
+    assert_eq!(
+        super::parse("{{A!()}}", &syntax).unwrap(),
+        [Node::Expr(Ws(None, None), Expr::RustMacro(vec!["A"], ""),)],
+    );
+    assert_eq!(
+        &*super::parse("{{a.b.c!( hello )}}", &syntax)
+            .unwrap_err()
+            .msg,
+        "problems parsing template source at row 1, column 7 near:\n\"!( hello )}}\"",
+    );
+}
+
+#[test]
 fn change_delimiters_parse_filter() {
     let syntax = Syntax {
         expr_start: "{=",