Added pull record information.

src/morethantext/cachetype.rs

@@ -9,7 +9,7 @@ pub enum CacheType {
 
 #[derive(Clone)]
 pub struct Record {
-    data: HashMap<String, String>
+    data: HashMap<String, String>,
 }
 
 impl Record {
@@ -25,7 +25,14 @@ impl Record {
             None => {
                 self.data.insert(col.to_string(), data.to_string());
                 Ok(())
-            },
+            }
+        }
+    }
+
+    fn get_field(&self, col: &str) -> Result<String, DBError> {
+        match self.data.get(col) {
+            Some(item) => Ok(item.to_string()),
+            None => Err(DBError::new("missing field")),
         }
     }
 }
@@ -119,8 +126,11 @@ mod record {
 
     #[test]
     fn store() {
+        let data = "data";
         let mut rec = Record::new();
-        rec.add_field("column", "data").unwrap();
+        rec.add_field("column", data).unwrap();
+        let output = rec.get_field("column").unwrap();
+        assert_eq!(output, data);
     }
 
     #[test]
@@ -131,7 +141,16 @@ mod record {
             Ok(_) => assert!(false, "Should have raised an error."),
             Err(err) => {
                 assert_eq!(err.to_string(), "duplicate field");
-            },
+            }
+        }
+    }
+
+    #[test]
+    fn missing_field() {
+        let rec = Record::new();
+        match rec.get_field("nothing") {
+            Ok(_) => assert!(false, "Should have errored."),
+            Err(err) => assert_eq!(err.to_string(), "missing field"),
         }
     }
 }