Tests of error conditions in the CLI

Author: jwodder

tests/main.rs

@@ -5,6 +5,7 @@ use ghrepo::GHRepo;
 use repomaker::RepoMaker;
 use std::process::Command;
 use std::str;
+use tempfile::tempdir;
 use which::which;
 
 #[test]
@@ -43,6 +44,68 @@ fn test_run_json() {
     assert_eq!(out, expected);
 }
 
+#[test]
+fn test_run_empty() {
+    if which("git").is_err() {
+        return;
+    }
+    let tmp_path = tempdir().unwrap();
+    let out = Command::new(env!("CARGO_BIN_EXE_ghrepo"))
+        .arg(tmp_path.path())
+        .output()
+        .unwrap();
+    assert_eq!(str::from_utf8(&out.stdout).unwrap(), "");
+    assert_eq!(
+        str::from_utf8(&out.stderr).unwrap().trim(),
+        "fatal: not a git repository (or any of the parent directories): .git"
+    );
+    assert!(!out.status.success());
+}
+
+#[test]
+fn test_run_no_such_remote() {
+    if which("git").is_err() {
+        return;
+    }
+    let maker = RepoMaker::new();
+    maker.init("trunk");
+    let out = Command::new(env!("CARGO_BIN_EXE_ghrepo"))
+        .arg(maker.path())
+        .output()
+        .unwrap();
+    assert_eq!(str::from_utf8(&out.stdout).unwrap(), "");
+    assert_eq!(
+        str::from_utf8(&out.stderr).unwrap().trim(),
+        "error: No such remote 'origin'"
+    );
+    assert_eq!(out.status.code(), Some(2));
+}
+
+#[test]
+fn test_run_invalid_url() {
+    if which("git").is_err() {
+        return;
+    }
+    let maker = RepoMaker::new();
+    maker.init("trunk");
+    maker.add_remote("upstream", "https://git.example.com/repo.git");
+    let out = Command::new(env!("CARGO_BIN_EXE_ghrepo"))
+        .arg("-rupstream")
+        .arg(maker.path())
+        .output()
+        .unwrap();
+    assert_eq!(str::from_utf8(&out.stdout).unwrap(), "");
+    assert_eq!(
+        str::from_utf8(&out.stderr).unwrap().trim(),
+        concat!(
+            "ghrepo: Repository remote URL is not a GitHub URL:",
+            " Invalid GitHub repository spec:",
+            " \"https://git.example.com/repo.git\"",
+        ),
+    );
+    assert_eq!(out.status.code(), Some(1));
+}
+
 fn readcmd(args: &[&str]) -> String {
     let out = Command::new(env!("CARGO_BIN_EXE_ghrepo"))
         .args(args)