test: add test for discard_status

Author: Fatpandac

asyncgit/src/sync/status.rs

@@ -215,3 +215,34 @@ pub fn discard_status(repo_path: &RepoPath) -> Result<bool> {
 
 	Ok(true)
 }
+
+#[cfg(test)]
+mod tests {
+	use super::*;
+	use crate::sync::tests::repo_init;
+	use std::{fs::File, io::Write, path::Path};
+
+	#[test]
+	fn test_discard_status() {
+		let file_path = Path::new("foo");
+		let (_td, repo) = repo_init().unwrap();
+		let root = repo.path().parent().unwrap();
+		let repo_path: &RepoPath =
+			&root.as_os_str().to_str().unwrap().into();
+
+		File::create(root.join(file_path))
+			.unwrap()
+			.write_all(b"test\nfoo")
+			.unwrap();
+
+    let statuses = get_status(repo_path, StatusType::WorkingDir, None)
+      .unwrap();
+    assert_eq!(statuses.len(), 1);
+
+    discard_status(repo_path).unwrap();
+
+    let statuses = get_status(repo_path, StatusType::WorkingDir, None)
+      .unwrap();
+    assert_eq!(statuses.len(), 0);
+	}
+}