Fix doc test examples

src/query_builder.rs

@@ -24,7 +24,8 @@ enum QueryType {
 /// The struct representing a query builder
 #[derive(Debug)]
 pub struct QueryBuilder {
-    state: QueryState,
+    /// The struct to store the query builder info
+    pub state: QueryState,
     driver: Box<dyn DatabaseDriver>,
 }
 
@@ -53,11 +54,11 @@ impl QueryBuilder {
 
     /// Set the fields to select from the database as a string
     ///
-    /// ```ignore
-    /// let mut qb = QueryBuilder::new(Driver::new());
-    ///
+    /// ```
+    /// # let mut qb = stringqb::query_builder::QueryBuilder::default();
     /// // You can also alias field names
-    /// qb.select("foo as bar")
+    /// qb.select("foo as bar");
+    /// # assert_eq!(qb.state.get_select_string(), r#""foo" as "bar""#);
     /// ```
     pub fn select(&mut self, fields: &str) -> &mut Self {
         lazy_static! {
@@ -86,7 +87,7 @@ impl QueryBuilder {
     /// Set the fields to select from the database as a Vector
     ///
     /// ```
-    /// # let mut qb = stringqb::QueryBuilder::default();
+    /// # let mut qb = stringqb::query_builder::QueryBuilder::default();
     /// // You can also alias via a vector of fields
     /// qb.select_vec(vec!["foo as bar", "baz"]);
     /// # assert_eq!(qb.state.get_select_string(), r#""foo" as "bar","baz""#);
@@ -105,11 +106,11 @@ impl QueryBuilder {
 
     /// Specify the database table to select from
     ///
-    /// ```ignore
-    /// let mut qb = QueryBuilder::new(Driver::new());
-    ///
-    /// // Specifiy an alias for the table
+    /// ```
+    /// # let mut qb = stringqb::query_builder::QueryBuilder::default();
+    /// // You can specifiy an alias for the table
     /// qb.from("products p");
+    /// # assert_eq!(qb.state.get_from_string(), r#""products" "p""#);
     /// ```
     pub fn from(&mut self, table_name: &str) -> &mut Self {
         let from_str = split_map_join(table_name, " ", |s| self.driver.quote_identifier(s));