Add coverage for report error at macro #211

yarte/tests/compile.rs

@@ -2,3 +2,9 @@
 fn ui() {
     trybuild::TestCases::new().compile_fail("tests/fails/*.rs");
 }
+
+#[cfg(any(feature = "bytes-buf", feature = "bytes-buf-tokio2"))]
+#[test]
+fn proc_ui() {
+    trybuild::TestCases::new().compile_fail("tests/proc-fails/*.rs");
+}

yarte/tests/proc-fails/proc-basic.rs

@@ -0,0 +1,5 @@
+use yarte::*;
+
+fn main() {
+    let _ = auto!(ywrite_html!(String, "{{ @foo }}"));
+}

yarte/tests/proc-fails/proc-basic.stderr

@@ -0,0 +1,13 @@
+error: proc macro panicked
+ --> $DIR/proc-basic.rs:4:13
+  |
+4 |     let _ = auto!(ywrite_html!(String, "{{ @foo }}"));
+  |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  |
+  = help: message: error
+           --> $DIR/__Main__.hbs:1:5
+            |
+          1 | {{ @foo }}
+            |     ^^^ Not exist @ helper
+            |
+  = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)