Add unclosed node ui tests

testing/tests/ui/unclosed-nodes.rs

@@ -0,0 +1,51 @@
+use askama::Template;
+
+#[derive(Template)]
+#[template(source = "{{ expr", ext = "txt")]
+struct Expr1;
+
+#[derive(Template)]
+#[template(source = "{{ expr ", ext = "txt")]
+struct Expr2;
+
+#[derive(Template)]
+#[template(source = "{{ expr -", ext = "txt")]
+struct Expr3;
+
+#[derive(Template)]
+#[template(source = "{{ expr -}", ext = "txt")]
+struct Expr4;
+
+#[derive(Template)]
+#[template(source = "{% let x", ext = "txt")]
+struct Node1;
+
+#[derive(Template)]
+#[template(source = "{% let x ", ext = "txt")]
+struct Node2;
+
+#[derive(Template)]
+#[template(source = "{% let x -", ext = "txt")]
+struct Node3;
+
+#[derive(Template)]
+#[template(source = "{% let x -%", ext = "txt")]
+struct Node4;
+
+#[derive(Template)]
+#[template(source = "{# comment", ext = "txt")]
+struct Comment1;
+
+#[derive(Template)]
+#[template(source = "{# comment ", ext = "txt")]
+struct Comment2;
+
+#[derive(Template)]
+#[template(source = "{# comment -", ext = "txt")]
+struct Comment3;
+
+#[derive(Template)]
+#[template(source = "{# comment -#", ext = "txt")]
+struct Comment4;
+
+fn main() {}

testing/tests/ui/unclosed-nodes.stderr

@@ -0,0 +1,107 @@
+error: failed to parse template source at row 1, column 7 near:
+       ""
+ --> tests/ui/unclosed-nodes.rs:3:10
+  |
+3 | #[derive(Template)]
+  |          ^^^^^^^^
+  |
+  = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 8 near:
+       ""
+ --> tests/ui/unclosed-nodes.rs:7:10
+  |
+7 | #[derive(Template)]
+  |          ^^^^^^^^
+  |
+  = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 9 near:
+       ""
+  --> tests/ui/unclosed-nodes.rs:11:10
+   |
+11 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 9 near:
+       "}"
+  --> tests/ui/unclosed-nodes.rs:15:10
+   |
+15 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 8 near:
+       ""
+  --> tests/ui/unclosed-nodes.rs:19:10
+   |
+19 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 9 near:
+       ""
+  --> tests/ui/unclosed-nodes.rs:23:10
+   |
+23 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 10 near:
+       ""
+  --> tests/ui/unclosed-nodes.rs:27:10
+   |
+27 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 10 near:
+       "%"
+  --> tests/ui/unclosed-nodes.rs:31:10
+   |
+31 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 10 near:
+       ""
+  --> tests/ui/unclosed-nodes.rs:35:10
+   |
+35 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 11 near:
+       ""
+  --> tests/ui/unclosed-nodes.rs:39:10
+   |
+39 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 12 near:
+       ""
+  --> tests/ui/unclosed-nodes.rs:43:10
+   |
+43 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error: failed to parse template source at row 1, column 13 near:
+       ""
+  --> tests/ui/unclosed-nodes.rs:47:10
+   |
+47 | #[derive(Template)]
+   |          ^^^^^^^^
+   |
+   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)