From e07ea7d971d8e2f92e5d5f05c2a1c6a0e0a66bd4 Mon Sep 17 00:00:00 2001
From: Juan Aguilar Santillana <mhpoin@gmail.com>
Date: Mon, 19 Jul 2021 02:44:41 +0200
Subject: [PATCH] Add coverage for report error at macro #211

---
 yarte/tests/compile.rs                   |  6 ++++++
 yarte/tests/proc-fails/proc-basic.rs     |  5 +++++
 yarte/tests/proc-fails/proc-basic.stderr | 13 +++++++++++++
 3 files changed, 24 insertions(+)
 create mode 100644 yarte/tests/proc-fails/proc-basic.rs
 create mode 100644 yarte/tests/proc-fails/proc-basic.stderr

diff --git a/yarte/tests/compile.rs b/yarte/tests/compile.rs
index ec0baf71..f2cf5e69 100644
--- a/yarte/tests/compile.rs
+++ b/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");
+}
diff --git a/yarte/tests/proc-fails/proc-basic.rs b/yarte/tests/proc-fails/proc-basic.rs
new file mode 100644
index 00000000..34cc76e7
--- /dev/null
+++ b/yarte/tests/proc-fails/proc-basic.rs
@@ -0,0 +1,5 @@
+use yarte::*;
+
+fn main() {
+    let _ = auto!(ywrite_html!(String, "{{ @foo }}"));
+}
diff --git a/yarte/tests/proc-fails/proc-basic.stderr b/yarte/tests/proc-fails/proc-basic.stderr
new file mode 100644
index 00000000..01697059
--- /dev/null
+++ b/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)