Coded translate_to_english() function.

src/lib.rs

@@ -13,9 +13,19 @@ pub async fn translate(text: &str, from: &str, to: &str) -> Result<String, Box<d
     Ok(translated_text)
 }
 
-pub fn translate_to_english(text: &str) -> String {
-    // placeholder
-    text.to_string()
+pub async fn translate_to_english(text: &str) -> Result<String, Box<dyn std::error::Error>> {
+    let from = "auto";
+    let to = "en";
+
+    let url = format!(
+        "https://translate.googleapis.com/translate_a/single?client=gtx&sl={}&tl={}&dt=t&q={}",
+        from, to, text
+    );
+
+    let response = reqwest::get(&url).await?.text().await?;
+    let translated_text: String = serde_json::from_str::<Value>(&response)?[0][0][0].as_str().unwrap().to_string();
+
+    Ok(translated_text)
 }
 
 pub async fn translate_from_english(text: &str, to: &str) -> Result<String, Box<dyn std::error::Error>>  {

tests/translate_tests.rs

@@ -24,16 +24,26 @@ async fn test_translate() {
     }
 }
 
-#[test]
-fn test_translate_to_english() {
+#[tokio::test]
+async fn test_translate_to_english() {
     // Prepare the input parameters
-    let text = "Hallo Welt";
+    let text = "Estoy comiendo queso.";
 
     // Call the function under test
-    let translated_text = translate_to_english(text);
+    let translated_text_result = translate_to_english(text).await;
 
     // Check if the result is as expected
-    assert_eq!(translated_text, "Hello World");
+    match translated_text_result {
+        Ok(translated_text) => {
+            assert_eq!(translated_text, "I'm eating cheese.");
+        },
+        Err(err) => {
+            // Print out the error message
+            eprintln!("Error: {}", err);
+            // Fail the test
+            assert!(false);
+        }
+    }
 }
 
 #[tokio::test]