Add regression test for tafia#514

failures (2): ---- issue514::no_mismatch stdout ---- thread 'issue514::no_mismatch' panicked at 'called `Result::unwrap()` on an `Err` value: EndEventMismatch { expected: "html", found: "some-tag" }', tests\issues.rs:34:40 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace ---- issue514::mismatch stdout ---- thread 'issue514::mismatch' panicked at 'assertion failed: `(left == right)` Diff < left / right > : <html >some-tag ', tests\issues.rs:59:17
Mingun · Nov 28, 2022 · 1144da5 · 1144da5
1 parent cde8dc8
commit 1144da5
Showing 1 changed file with 69 additions and 0 deletions.
diff --git a/tests/issues.rs b/tests/issues.rs
@@ -0,0 +1,69 @@
+//! Regression tests found in various issues
+//!
+//! Name each test as `issue<GH number>`
+
+use quick_xml::events::{BytesStart, Event};
+use quick_xml::reader::Reader;
+use quick_xml::Error;
+
+/// Regression test for https://github.com/tafia/quick-xml/issues/514
+mod issue514 {
+    use super::*;
+    use pretty_assertions::assert_eq;
+
+    /// Check that there is no unexpected error
+    #[test]
+    fn no_mismatch() {
+        let mut reader = Reader::from_str("<some-tag><html>...</html></some-tag>");
+
+        let outer_start = BytesStart::new("some-tag");
+        let outer_end = outer_start.to_end().into_owned();
+
+        let html_start = BytesStart::new("html");
+        let html_end = html_start.to_end().into_owned();
+
+        assert_eq!(reader.read_event().unwrap(), Event::Start(outer_start));
+        assert_eq!(reader.read_event().unwrap(), Event::Start(html_start));
+
+        reader.check_end_names(false);
+
+        assert_eq!(reader.read_text(html_end.name()).unwrap(), "...");
+
+        reader.check_end_names(true);
+
+        assert_eq!(reader.read_event().unwrap(), Event::End(outer_end));
+        assert_eq!(reader.read_event().unwrap(), Event::Eof);
+    }
+
+    /// Canary check that legitimate error is reported
+    #[test]
+    fn mismatch() {
+        let mut reader = Reader::from_str("<some-tag><html>...</html></other-tag>");
+
+        let outer_start = BytesStart::new("some-tag");
+
+        let html_start = BytesStart::new("html");
+        let html_end = html_start.to_end().into_owned();
+
+        assert_eq!(reader.read_event().unwrap(), Event::Start(outer_start));
+        assert_eq!(reader.read_event().unwrap(), Event::Start(html_start));
+
+        reader.check_end_names(false);
+
+        assert_eq!(reader.read_text(html_end.name()).unwrap(), "...");
+
+        reader.check_end_names(true);
+
+        match reader.read_event() {
+            Err(Error::EndEventMismatch { expected, found }) => {
+                assert_eq!(expected, "some-tag");
+                assert_eq!(found, "other-tag");
+            }
+            x => panic!(
+                r#"Expected `Err(EndEventMismatch("some-tag", "other-tag")))`, but found {:?}"#,
+                x
+            ),
+        }
+        assert_eq!(reader.read_event().unwrap(), Event::Eof);
+    }
+}