Added the ability to populate test documents.

tests/support.rs

@@ -1,4 +1,4 @@
-use morethantext::{DocDef, FieldType, Name};
+use morethantext::{Addition, DocDef, Field, FieldType, MoreThanText, Name};
 use uuid::Uuid;
 
 pub fn random_name() -> Name {
@@ -40,4 +40,20 @@ impl TestDocument {
     pub fn get_field_name(&self, position: usize) -> Name {
         self.field_names[position].clone()
     }
+
+    pub fn populate<F>(&self, mtt: &mut MoreThanText, data: Vec<F>) where F: Into<Field> + Clone {
+        let wrapper = vec![data];
+        self.populate_multiple(mtt, wrapper);
+    }
+
+    pub fn populate_multiple<F>(&self, mtt: &mut MoreThanText, data: Vec<Vec<F>>) where F: Into<Field> + Clone {
+        for rec in data.iter() {
+            let mut add = Addition::new(self.doc_name.clone());
+            for i in 0..self.field_names.len() {
+                let field: Field = rec[i].clone().into();
+                add.add_field(self.field_names[i].clone(), field);
+            }
+            mtt.records(add).unwrap();
+        }
+    }
 }