src/lib.rs

@@ -5,6 +5,9 @@ pub mod history;
 pub mod prelude;
 mod subscriptions;
 
+#[cfg(test)]
+mod test_utils;
+
 use feed::FeedEnv;
 use fetch::FetchEnv;
 use history::HistoryEnv;

src/subscriptions.rs

@@ -17,9 +17,8 @@ pub fn lines_from(file_name: &str) -> Result<Vec<String>> {
 
 #[cfg(test)]
 mod tests {
-    use std::{fs::File, io::Write, str::from_utf8};
 
-    use tempfile::{tempdir, TempDir};
+    use crate::test_utils::create_text_file;
 
     use super::*;
 
@@ -73,13 +72,4 @@ mod tests {
         assert_eq!(result, ["@sub1", "@sub3"]);
         Ok(())
     }
-
-    fn create_text_file(name: &str, data: &[u8]) -> Result<(TempDir, String)> {
-        let data = from_utf8(data)?;
-        let dir = tempdir()?;
-        let filename = format!("{}", &dir.path().join(name).display());
-        let file = File::create(&filename)?;
-        write!(&file, "{data}")?;
-        Ok((dir, filename))
-    }
 }

src/test_utils.rs

@@ -0,0 +1,14 @@
+use std::{fs::File, io::Write, str::from_utf8};
+
+use tempfile::{tempdir, TempDir};
+
+use crate::prelude::*;
+
+pub fn create_text_file(name: &str, data: &[u8]) -> Result<(TempDir, String)> {
+    let data = from_utf8(data)?;
+    let dir = tempdir()?;
+    let filename = format!("{}", &dir.path().join(name).display());
+    let file = File::create(&filename)?;
+    write!(&file, "{data}")?;
+    Ok((dir, filename))
+}