Fix tests from changes in libgit2 v1.8

src/cred.rs

@@ -482,7 +482,7 @@ mod test {
     macro_rules! test_cfg( ($($k:expr => $v:expr),*) => ({
         let td = TempDir::new().unwrap();
         let mut cfg = Config::new().unwrap();
-        cfg.add_file(&td.path().join("cfg"), ConfigLevel::Highest, false).unwrap();
+        cfg.add_file(&td.path().join("cfg"), ConfigLevel::App, false).unwrap();
         $(cfg.set_str($k, $v).unwrap();)*
         cfg
     }) );

tests/add_extensions.rs

@@ -11,11 +11,13 @@ fn test_add_extensions() -> Result<(), Error> {
 
     let extensions = unsafe { get_extensions() }?;
 
-    assert_eq!(extensions.len(), 3);
+    assert_eq!(extensions.len(), 4);
     assert_eq!(extensions.get(0), Some("custom"));
-    // The objectformat extension was added in 1.6
     assert_eq!(extensions.get(1), Some("noop"));
+    // The objectformat extension was added in 1.6
     assert_eq!(extensions.get(2), Some("objectformat"));
+    // The objectformat extension was added in 1.8
+    assert_eq!(extensions.get(3), Some("worktreeconfig"));
 
     Ok(())
 }

tests/get_extensions.rs

@@ -7,10 +7,12 @@ use git2::Error;
 fn test_get_extensions() -> Result<(), Error> {
     let extensions = unsafe { get_extensions() }?;
 
-    assert_eq!(extensions.len(), 2);
+    assert_eq!(extensions.len(), 3);
     assert_eq!(extensions.get(0), Some("noop"));
     // The objectformat extension was added in 1.6
     assert_eq!(extensions.get(1), Some("objectformat"));
+    // The objectformat extension was added in 1.8
+    assert_eq!(extensions.get(2), Some("worktreeconfig"));
 
     Ok(())
 }

tests/remove_extensions.rs

@@ -6,7 +6,14 @@ use git2::Error;
 #[test]
 fn test_remove_extensions() -> Result<(), Error> {
     unsafe {
-        set_extensions(&["custom", "!ignore", "!noop", "!objectformat", "other"])?;
+        set_extensions(&[
+            "custom",
+            "!ignore",
+            "!noop",
+            "!objectformat",
+            "!worktreeconfig",
+            "other",
+        ])?;
     }
 
     let extensions = unsafe { get_extensions() }?;