diff --git a/lib/src/tes/mod.rs b/lib/src/tes/mod.rs
index 1a78a34..2a2046b 100644
--- a/lib/src/tes/mod.rs
+++ b/lib/src/tes/mod.rs
@@ -70,15 +70,15 @@ impl Task {
         let response = self.transport.post(&url, None).await;
         // println!("the response is: {:?}",response);
         match response {
-            Ok(resp_str) => {
-                let parsed_json = serde_json::from_str::<serde_json::Value>(&resp_str);
-                match parsed_json {
-                    Ok(json) => Ok(json),
-                    Err(e) => Err(Box::new(e)),
-                }
-            }
-            Err(e) => Err(e),
-        }
+	    Ok(resp_str) => {
+	        let parsed_json = serde_json::from_str::<serde_json::Value>(&resp_str);
+	        match parsed_json {
+	            Ok(json) => Ok(json),
+	            Err(e) => Err(format!("Failed to parse JSON: {}", e).into()),
+	        }
+	    }
+	    Err(e) => Err(format!("HTTP request failed: {}", e).into()),
+	}
     }
 }
 #[derive(Debug)]
@@ -93,7 +93,7 @@ pub struct TES {
 impl TES {
     pub async fn new(config: &Configuration) -> Result<Self, Box<dyn std::error::Error>> {
         let transport = Transport::new(config);
-        let service_info = ServiceInfo::new(config).unwrap();
+        let service_info = ServiceInfo::new(config)?;
 
         let resp = service_info.get().await;
 
@@ -113,8 +113,10 @@ impl TES {
 
     fn check(&self) -> bool {
         let resp = &self.service;
-        return resp.as_ref().unwrap().r#type.artifact == "tes";
-        // true
+        match resp.as_ref() {
+            Ok(service) => service.r#type.artifact == "tes",
+            Err(_) => false, // or handle the error as appropriate
+        }
     }
 
     pub async fn create(
@@ -150,10 +152,10 @@ impl TES {
                 };
                 Ok(task)
             }
-            Err(e) => {
-                log::error!("Error: {}", e);
-                Err(e)
-            }
+            Err(e) => Err(Box::new(std::io::Error::new(
+                std::io::ErrorKind::Other,
+                format!("Failed to post task: {}", e),
+            ))),
         }
     }
 
@@ -244,9 +246,8 @@ mod tests {
                 return Err(e);
             }
         };
-
-        let task_json =
-            std::fs::read_to_string("./lib/sample/grape.tes").expect("Unable to read file");
+        let file_path = std::env::var("TASK_FILE_PATH").unwrap_or_else(|_| "./lib/sample/grape.tes".to_string());
+        let task_json = std::fs::read_to_string(file_path).expect("Unable to read file");
         let task: TesTask = serde_json::from_str(&task_json).expect("JSON was not well-formatted");
 
         let task = tes.create(task).await?;
@@ -287,7 +288,7 @@ mod tests {
         setup();
 
         let (task, _tes) = &create_task().await.expect("Failed to create task");
-        assert!(!task.id.clone().is_empty(), "Task ID should not be empty"); // doube check if it's a correct assertion
+        assert!(!task.id.clone().is_empty(), "Task ID should not be empty"); // double check if it's a correct assertion
 
         let cancel = task.cancel().await;
         assert!(cancel.is_ok());
diff --git a/lib/src/transport.rs b/lib/src/transport.rs
index 0a3d2e7..15349c4 100644
--- a/lib/src/transport.rs
+++ b/lib/src/transport.rs
@@ -27,19 +27,12 @@ impl Transport {
         params: Option<Value>,
     ) -> Result<String, Box<dyn Error>> {
         let full_url = format!("{}{}", self.config.base_path, endpoint);
-        let url = reqwest::Url::parse(&full_url);
-        if url.is_err() {
-            error!(
-                "Invalid endpoint (shouldn't contain base url): {}",
-                endpoint
-            );
-            return Err(Box::new(std::io::Error::new(
-                std::io::ErrorKind::InvalidInput,
-                "Invalid endpoint",
-            )));
-        }
+        let url = reqwest::Url::parse(&full_url).map_err(|_| {
+            error!("Invalid endpoint (shouldn't contain base url): {}", endpoint);
+            Box::new(std::io::Error::new(std::io::ErrorKind::InvalidInput, "Invalid endpoint")) as Box<dyn std::error::Error>
+        })?;
 
-        let mut request_builder = self.client.request(method, &full_url).header(
+        let mut request_builder = self.client.request(method, url).header(
             reqwest::header::USER_AGENT,
             self.config.user_agent.clone().unwrap_or_default(),
         );
@@ -48,21 +41,24 @@ impl Transport {
             request_builder = request_builder.query(params_value);
         }
 
-        if let Some(ref data_value) = data {
-            request_builder = request_builder.json(&data_value);
+        if let Some(ref data) = data {
+            request_builder = request_builder.json(&data);
         }
 
-        let resp = request_builder.send().await?;
+        let resp = request_builder.send().await.map_err(|e| {
+	            eprintln!("HTTP request failed: {}", e);
+	            e
+	        })?;
 
         let status = resp.status();
-        let content = resp.text().await?;
+        let content = resp.text().await.map_err(|e| format!("Failed to read response text: {}", e))?;
 
         if status.is_success() {
             Ok(content)
         } else {
             Err(Box::new(std::io::Error::new(
                 std::io::ErrorKind::Other,
-                content,
+                format!("Request failed with status: {}. Response: {}", status, content),
             )))
         }
     }