Add unit-test for #507

testing/templates/macro-with-caller.html

@@ -0,0 +1,12 @@
+{%- macro outer() -%}
+    <div>{{caller()}}</div>
+{%- endmacro -%}
+
+{%- macro inner() -%}
+    content
+{%- endmacro -%}
+
+{%- macro intermediate() -%}
+    intermediate
+    {%- call inner() -%}{%- endcall -%}
+{%- endmacro -%}

testing/tests/macro.rs

@@ -91,6 +91,24 @@ fn test_include_in_macro_block() {
     assert_eq!(x.render().unwrap(), "foo.html");
 }
 
+#[test]
+fn test_macro_caller_context_is_declaration_site() {
+    #[derive(Template)]
+    #[template(
+        ext = "html",
+        source = r#"
+{%- import "macro-with-caller.html" as parentscope -%}
+{%- call parentscope::outer() -%}
+    {%- call parentscope::intermediate() -%}{%- endcall -%}
+{%- endcall -%}
+    "#
+    )]
+    struct CallsiteContextIsDeclarationSiteTemplate {}
+
+    let t = CallsiteContextIsDeclarationSiteTemplate {};
+    assert_eq!(t.render().unwrap(), "<div>intermediatecontent</div>");
+}
+
 #[test]
 fn str_cmp() {
     #[derive(Template)]