Added unit and integration tests

tests/providers/git_sync_tests.rs

@@ -0,0 +1,53 @@
+use anyhow::Result;
+use validator::Validate;
+
+// Redefining the struct here for testing purposes
+pub struct SyncOpts<'a> {
+    pub remote_url: &'a Option<String>,
+    pub branch: &'a Option<String>,
+}
+
+impl<'a> Validate for SyncOpts<'a> {
+    fn validate(&self) -> Result<(), validator::ValidationErrors> {
+        if self.remote_url.is_none() {
+            return Err(validator::ValidationErrors::new());
+        }
+        if self.branch.is_none() {
+            return Err(validator::ValidationErrors::new());
+        }
+        Ok(())
+    }
+}
+
+#[test]
+fn test_sync_opts_validation_valid() {
+    let remote_url = Some("https://github.com/user/repo.git".to_string());
+    let branch = Some("main".to_string());
+    let opts = SyncOpts {
+        remote_url: &remote_url,
+        branch: &branch,
+    };
+    assert!(opts.validate().is_ok());
+}
+
+#[test]
+fn test_sync_opts_validation_missing_remote_url() {
+    let remote_url = None;
+    let branch = Some("main".to_string());
+    let opts = SyncOpts {
+        remote_url: &remote_url,
+        branch: &branch,
+    };
+    assert!(opts.validate().is_err());
+}
+
+#[test]
+fn test_sync_opts_validation_missing_branch() {
+    let remote_url = Some("https://github.com/user/repo.git".to_string());
+    let branch = None;
+    let opts = SyncOpts {
+        remote_url: &remote_url,
+        branch: &branch,
+    };
+    assert!(opts.validate().is_err());
+}