Add tests for calling methods on self

testing/tests/methods.rs

@@ -0,0 +1,42 @@
+#[macro_use]
+extern crate askama;
+
+use askama::Template;
+
+#[derive(Template)]
+#[template(source = "{{ self.get_s() }}", ext = "txt")]
+struct MethodTemplate<'a> {
+    s: &'a str,
+}
+
+impl<'a> MethodTemplate<'a> {
+    fn get_s(&self) -> &str {
+        self.s
+    }
+}
+
+#[derive(Template)]
+#[template(source = "{{ self.get_s() }} {{ t.get_s() }}", ext = "txt")]
+struct NestedMethodTemplate<'a> {
+    t: MethodTemplate<'a>,
+}
+
+impl<'a> NestedMethodTemplate<'a> {
+    fn get_s(&self) -> &str {
+        "bar"
+    }
+}
+
+#[test]
+fn test_method() {
+    let t = MethodTemplate { s: "foo" };
+    assert_eq!(t.render().unwrap(), "foo");
+}
+
+#[test]
+fn test_nested() {
+    let t = NestedMethodTemplate {
+        t: MethodTemplate { s: "foo" },
+    };
+    assert_eq!(t.render().unwrap(), "bar foo");
+}