Integrate diagnostic decorations and current-source Text input boundaries

crates/oa-desktop/src/source_annotations/tests.rs

@@ -0,0 +1,83 @@
+use super::*;
+use oa_core::{
+    language::{Diagnostic, Span},
+    validation::Severity,
+};
+
+fn diagnostic(path: &str, start: usize, end: usize) -> SourceDiagnostic {
+    SourceDiagnostic {
+        path: path.into(),
+        diagnostic: Diagnostic {
+            severity: Severity::Error,
+            code: "test".into(),
+            message: "synthetic admission fixture".into(),
+            object_id: None,
+            field: None,
+            line: 999,
+            column: 999,
+            span: Span { start, end },
+        },
+        related: Vec::new(),
+    }
+}
+
+#[test]
+fn exact_path_and_utf8_range_admission_keep_valid_neighbor() {
+    let index = Index::new(
+        Arc::from("雨 x"),
+        "a.arcadia",
+        &[
+            diagnostic("b.arcadia", 0, 3),
+            diagnostic("a.arcadia", 1, 3),
+            diagnostic("a.arcadia", 4, 2),
+            diagnostic("a.arcadia", 0, 99),
+            diagnostic("a.arcadia", 4, 5),
+        ],
+    );
+    assert_eq!(index.parts.len(), 1);
+    let parts = &index.parts[&0];
+    assert_eq!(parts.len(), 1);
+    assert_eq!((parts[0].diagnostic, parts[0].bytes.clone()), (4, 4..5));
+}
+
+#[test]
+fn mixed_endings_use_actual_paragraphs_and_preserve_eof() {
+    let index = Index::new(
+        Arc::from("a\r\n雨\rb\n\rc\n"),
+        "a",
+        &[
+            diagnostic("a", 3, 6),
+            diagnostic("a", 7, 8),
+            diagnostic("a", 12, 12),
+        ],
+    );
+    assert_eq!(index.lines, vec![0..1, 3..6, 7..8, 10..11, 12..12]);
+    assert_eq!(index.parts[&1][0].bytes, 0..3);
+    assert_eq!(index.parts[&2][0].bytes, 0..1);
+    assert_eq!(index.parts[&4][0].bytes, 0..0);
+}
+
+#[test]
+fn half_open_next_line_excluded_separator_only_and_empty_line_anchored() {
+    let index = Index::new(
+        Arc::from("ab\r\n\r\ncd"),
+        "a",
+        &[
+            diagnostic("a", 0, 4),
+            diagnostic("a", 2, 4),
+            diagnostic("a", 4, 6),
+        ],
+    );
+    assert_eq!(index.parts.len(), 2);
+    assert_eq!(index.parts[&0][0].bytes, 0..2);
+    assert_eq!(index.parts[&0][1].bytes, 2..2);
+    assert_eq!(index.parts[&1][0].bytes, 0..0);
+    assert!(!index.parts.contains_key(&2));
+}
+
+#[test]
+fn empty_source_has_real_zero_width_marker() {
+    let index = Index::new(Arc::from(""), "a", &[diagnostic("a", 0, 0)]);
+    assert_eq!(index.lines, vec![0..0]);
+    assert_eq!(index.parts[&0][0].bytes, 0..0);
+}