Added create document to client.

tests/client_test.rs

@@ -1,5 +1,7 @@
 use isolang::Language;
-use morethantext::{Action, Field, Include, MoreThanText, Name, Path, TestMoreThanText};
+use morethantext::{
+    Action, DocDef, ErrorID, Field, Include, MTTError, MoreThanText, Name, Path, TestMoreThanText,
+};
 use std::{collections::HashSet, sync::mpsc::RecvTimeoutError};
 use uuid::Uuid;
 
@@ -120,3 +122,24 @@ fn do_existing_sessions_keep_language_unchanged() {
     let rec = result.iter().last().unwrap();
     assert_eq!(rec.get(&lang_name()).unwrap(), lang1.into());
 }
+
+#[test]
+fn can_client_create_a_document() {
+    let doc_name = Name::english("dragon");
+    let docdef = DocDef::new(doc_name);
+    let mtt = MoreThanText::new();
+    let client = mtt.client();
+    client.create_document(docdef).unwrap();
+}
+
+#[test]
+fn can_error_on_create_document() {
+    let doc_name = Name::english("dragon");
+    let docdef = DocDef::new(doc_name.clone());
+    let mtt = MoreThanText::new();
+    let client = mtt.client();
+    client.create_document(docdef.clone()).unwrap();
+    let mut expected = MTTError::new(ErrorID::NameAlreadyExists);
+    let result = client.create_document(docdef).unwrap_err();
+    assert_eq!(result.to_string(), expected.to_string());
+}