From d97d71948ebadebe87341649eeb4aae69c746ae1 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Fri, 16 Aug 2024 12:53:12 +0200
Subject: Fix document set rules (#4768)

---
 tests/src/custom.rs | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 tests/src/custom.rs

(limited to 'tests/src/custom.rs')

diff --git a/tests/src/custom.rs b/tests/src/custom.rs
new file mode 100644
index 00000000..9a5fef03
--- /dev/null
+++ b/tests/src/custom.rs
@@ -0,0 +1,46 @@
+use std::fmt::Write;
+
+use typst::foundations::Smart;
+use typst::model::{Document, DocumentInfo};
+use typst::World;
+
+use crate::collect::Test;
+use crate::world::TestWorld;
+
+/// We don't want to panic when there is a failure.
+macro_rules! test_eq {
+    ($sink:expr, $lhs:expr, $rhs:expr) => {
+        if $lhs != $rhs {
+            writeln!(&mut $sink, "{:?} != {:?}", $lhs, $rhs).unwrap();
+        }
+    };
+}
+
+/// Run special checks for specific tests for which it is not worth it to create
+/// custom annotations.
+pub fn check(test: &Test, world: &TestWorld, doc: Option<&Document>) -> String {
+    let mut sink = String::new();
+    match test.name.as_str() {
+        "document-set-author-date" => {
+            let info = info(doc);
+            test_eq!(sink, info.author, ["A", "B"]);
+            test_eq!(sink, info.date, Smart::Custom(world.today(None)));
+        }
+        "issue-4065-document-context" => {
+            let info = info(doc);
+            test_eq!(sink, info.title.as_deref(), Some("Top level"));
+        }
+        "issue-4769-document-context-conditional" => {
+            let info = info(doc);
+            test_eq!(sink, info.author, ["Changed"]);
+            test_eq!(sink, info.title.as_deref(), Some("Alternative"));
+        }
+        _ => {}
+    }
+    sink
+}
+
+/// Extract the document information.
+fn info(doc: Option<&Document>) -> DocumentInfo {
+    doc.map(|doc| doc.info.clone()).unwrap_or_default()
+}
-- 
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