I really dont know what im doing with these tests sorry

crates/nu-parser/src/lex.rs

@@ -464,6 +464,7 @@ pub fn lex_signature(
     (state.output, state.error)
 }
 
+#[derive(Debug)]
 pub struct LexState<'a> {
     pub input: &'a [u8],
     pub output: Vec<Token>,

crates/nu-parser/src/lib.rs

@@ -16,7 +16,7 @@ pub use flatten::{
     flatten_block, flatten_expression, flatten_pipeline, flatten_pipeline_element, FlatShape,
 };
 pub use known_external::KnownExternal;
-pub use lex::{lex, lex_signature, Token, TokenContents};
+pub use lex::{lex, lex_n_tokens, lex_signature, LexState, Token, TokenContents};
 pub use lite_parser::{lite_parse, LiteBlock, LiteCommand};
 pub use nu_protocol::parser_path::*;
 pub use parse_keywords::*;

crates/nu-parser/src/parser.rs

@@ -5784,8 +5784,7 @@ pub fn parse_record(working_set: &mut StateWorkingSet, span: Span) -> Expression
                 )
             } else {
                 let value = parse_value(working_set, tokens[idx].span, &SyntaxShape::Any);
-                if let Some(parse_error) = check_record_key_or_value(&working_set, &value, "value")
-                {
+                if let Some(parse_error) = check_record_key_or_value(working_set, &value, "value") {
                     working_set.error(parse_error);
                     garbage(working_set, value.span)
                 } else {

crates/nu-parser/tests/test_lex.rs

@@ -1,4 +1,4 @@
-use nu_parser::{lex, lex_signature, Token, TokenContents};
+use nu_parser::{lex, lex_n_tokens, lex_signature, LexState, Token, TokenContents};
 use nu_protocol::{ParseError, Span};
 
 #[test]
@@ -281,3 +281,26 @@ fn lex_comments() {
         }
     );
 }
+
+#[test]
+fn lex_manually() {
+    let file = b"'a'\n#comment\n#comment again\n| continue";
+    let mut lex_state = LexState {
+        input: file,
+        output: Vec::new(),
+        error: None,
+        span_offset: 10,
+    };
+    assert_eq!(lex_n_tokens(&mut lex_state, &[], &[], false, 1), 1);
+    assert_eq!(lex_state.output.len(), 1);
+    assert_eq!(lex_n_tokens(&mut lex_state, &[], &[], false, 5), 5);
+    assert_eq!(lex_state.output.len(), 6);
+    // Next token is the pipe.
+    // This shortens the output because it exhausts the input before it can
+    // compensate for the EOL tokens lost to the line continuation
+    assert_eq!(lex_n_tokens(&mut lex_state, &[], &[], false, 1), -1);
+    assert_eq!(lex_state.output.len(), 5);
+    assert_eq!(file.len(), lex_state.span_offset - 10);
+    let last_span = lex_state.output.last().unwrap().span;
+    assert_eq!(&file[last_span.start - 10..last_span.end - 10], b"continue");
+}

crates/nu-parser/tests/test_parser.rs

@@ -2397,3 +2397,56 @@ mod operator {
         );
     }
 }
+
+mod record {
+    use super::*;
+
+    use nu_protocol::ast::RecordItem;
+
+    #[rstest]
+    #[case(b"{ :: x }", "Invalid literal")] // Key is bare colon
+    #[case(b"{ a: x:y }", "Invalid literal")] // Value is bare word with colon
+    #[case(b"{ a: x('y'):z }", "Invalid literal")] // Value is bare string interpolation with colon
+    #[case(b"{ ;: x }", "Parse mismatch during operation.")] // Key is a non-item token
+    #[case(b"{ a: || }", "Parse mismatch during operation.")] // Value is a non-item token
+    fn refuse_confusing_record(#[case] expr: &[u8], #[case] error: &str) {
+        dbg!(String::from_utf8_lossy(expr));
+        let engine_state = EngineState::new();
+        let mut working_set = StateWorkingSet::new(&engine_state);
+        parse(&mut working_set, None, expr, false);
+        assert_eq!(
+            working_set.parse_errors.first().map(|e| e.to_string()),
+            Some(error.to_string())
+        );
+    }
+
+    #[rstest]
+    #[case(b"{ a: 2024-07-23T22:54:54.532100627+02:00 b:xy }")]
+    fn parse_datetime_in_record(#[case] expr: &[u8]) {
+        dbg!(String::from_utf8_lossy(expr));
+        let engine_state = EngineState::new();
+        let mut working_set = StateWorkingSet::new(&engine_state);
+        let block = parse(&mut working_set, None, expr, false);
+        assert!(working_set.parse_errors.first().is_none());
+        let pipeline_el_expr = &block
+            .pipelines
+            .first()
+            .unwrap()
+            .elements
+            .first()
+            .unwrap()
+            .expr
+            .expr;
+        dbg!(pipeline_el_expr);
+        match pipeline_el_expr {
+            Expr::FullCellPath(v) => match &v.head.expr {
+                Expr::Record(fields) => assert!(matches!(
+                    fields[0],
+                    RecordItem::Pair(_, Expression { ty: Type::Date, .. })
+                )),
+                _ => panic!("Expected record head"),
+            },
+            _ => panic!("Expected full cell path"),
+        }
+    }
+}