better git testing

Cargo.toml

@@ -7,6 +7,7 @@ edition = "2024"
 anyhow = "1.0.95"
 clap = { version = "4.5.26", features = ["derive"] }
 mktemp = "0.5.1"
+rand = "0.9.1"
 serde = { version = "1.0.217", features = ["derive"] }
 thiserror = "2.0.11"
 toml = "0.8.19"

src/git.rs

@@ -23,8 +23,7 @@ pub fn checkout_branch_in_worktree(
     Ok(())
 }
 
-pub fn remove_worktree(worktree_dir: &std::path::Path) -> Result<(), GitError> {
-    std::fs::remove_dir_all(worktree_dir)?;
+pub fn git_worktree_prune() -> Result<(), GitError> {
     let result = std::process::Command::new("git")
         .args(["worktree", "prune"])
         .output()?;
@@ -36,6 +35,18 @@ pub fn remove_worktree(worktree_dir: &std::path::Path) -> Result<(), GitError> {
     Ok(())
 }
 
+pub fn git_remove_branch(branch: &str) -> Result<(), GitError> {
+    let result = std::process::Command::new("git")
+        .args(["branch", "-D", branch])
+        .output()?;
+    if !result.status.success() {
+        println!("stdout: {}", std::str::from_utf8(&result.stdout).unwrap());
+        println!("stderr: {}", std::str::from_utf8(&result.stderr).unwrap());
+        return Err(GitError::Oops);
+    }
+    Ok(())
+}
+
 pub fn create_orphan_branch(branch: &str) -> Result<(), GitError> {
     {
         let tmp_worktree = mktemp::Temp::new_path();
@@ -108,13 +119,20 @@ mod tests {
 
     #[test]
     fn test_worktree() {
-        let worktree_dir = std::path::Path::new("/tmp/boo");
-        checkout_branch_in_worktree("origin/main", worktree_dir).unwrap();
-        remove_worktree(worktree_dir).unwrap();
+        {
+            let temp_worktree = mktemp::Temp::new_path();
+            checkout_branch_in_worktree("origin/main", temp_worktree.as_path()).unwrap();
+            // The temporary worktree directory is removed when the Temp variable is dropped.
+        }
+        git_worktree_prune().unwrap();
     }
 
     #[test]
     fn test_create_orphan_branch() {
-        create_orphan_branch("bloppers").unwrap();
+        let rnd: u128 = rand::random();
+        let mut branch = std::string::String::from("entomologist-test-branch-");
+        branch.push_str(&format!("{:0x}", rnd));
+        create_orphan_branch(&branch).unwrap();
+        git_remove_branch(&branch).unwrap();
     }
 }