1 files changed, 80 insertions, 0 deletions
diff --git a/third_party/rust/serde_with/tests/version_numbers.rs b/third_party/rust/serde_with/tests/version_numbers.rs
new file mode 100644
index 0000000000..5c478d91ed
--- /dev/null
+++ b/third_party/rust/serde_with/tests/version_numbers.rs
@@ -0,0 +1,80 @@
+// Needed to supress a 2021 incompatability warning in the macro generated code
+// The non_fmt_panic lint is not yet available on most Rust versions
+#![allow(unknown_lints, non_fmt_panics)]
+
+use version_sync::{
+    assert_contains_regex, assert_html_root_url_updated, assert_markdown_deps_updated,
+};
+
+#[test]
+fn test_readme_deps() {
+    assert_markdown_deps_updated!("README.md");
+}
+
+#[test]
+fn test_readme_deps_in_lib() {
+    assert_contains_regex!("src/lib.rs", r#"^//! version = "{version}""#);
+}
+
+#[test]
+fn test_changelog() {
+    assert_contains_regex!("CHANGELOG.md", r#"## \[{version}\]"#);
+}
+
+#[test]
+fn test_html_root_url() {
+    assert_html_root_url_updated!("src/lib.rs");
+}
+
+/// Check that all docs.rs links point to the current version
+///
+/// Parse all docs.rs links in `*.rs` and `*.md` files and check that they point to the current version.
+/// If a link should point to latest version this can be done by using `latest` in the version.
+/// The `*` version specifier is not allowed.
+///
+/// Arguably this should be part of version-sync. There is an open issue for this feature:
+/// https://github.com/mgeisler/version-sync/issues/72
+#[test]
+fn test_docs_rs_url_point_to_current_version() -> Result<(), Box<dyn std::error::Error>> {
+    let pkg_name = env!("CARGO_PKG_NAME");
+    let pkg_version = env!("CARGO_PKG_VERSION");
+
+    let re = regex::Regex::new(&format!(
+        "https?://docs.rs/{}/((\\d[^/]+|\\*|latest))/",
+        pkg_name
+    ))?;
+    let mut error = false;
+
+    for entry in glob::glob("**/*.rs")?.chain(glob::glob("**/README.md")?) {
+        let entry = entry?;
+        let content = std::fs::read_to_string(&entry)?;
+        for (line_number, line) in content.split('\n').enumerate() {
+            for capture in re.captures_iter(line) {
+                match capture
+                    .get(1)
+                    .expect("Will exist if regex matches")
+                    .as_str()
+                {
+                    "latest" => {}
+                    version if version != pkg_version => {
+                        error = true;
+                        println!(
+                            "{}:{} pkg_version is {} but found URL {}",
+                            entry.display(),
+                            line_number + 1,
+                            pkg_version,
+                            capture.get(0).expect("Group 0 always exists").as_str()
+                        )
+                    }
+                    _ => {}
+                }
+            }
+        }
+    }
+
+    if error {
+        panic!("Found wrong URLs in file(s)");
+    } else {
+        Ok(())
+    }
+}