1 files changed, 91 insertions, 0 deletions
diff --git a/development/libs/barrel/src/tests/common/cloning.rs b/development/libs/barrel/src/tests/common/cloning.rs
new file mode 100644
index 000000000000..55fad482249c
--- /dev/null
+++ b/development/libs/barrel/src/tests/common/cloning.rs
@@ -0,0 +1,91 @@
+use crate::{
+    types::{self, Type},
+    Migration,
+};
+use std::fmt;
+
+#[derive(PartialEq, Clone, Copy)]
+pub enum DataTypes {
+    Bool,
+    F64,
+    I64,
+    String,
+}
+
+impl DataTypes {
+    #[allow(unused)]
+    pub fn string(&self) -> &str {
+        match *self {
+            DataTypes::Bool => "bool",
+            DataTypes::F64 => "f64",
+            DataTypes::I64 => "i64",
+            DataTypes::String => "String",
+        }
+    }
+
+    pub fn to_database_type(&self) -> Type {
+        match *self {
+            DataTypes::Bool => types::text(),
+            DataTypes::F64 => types::double(),
+            DataTypes::I64 => types::integer(),
+            DataTypes::String => types::text(),
+        }
+    }
+}
+
+impl fmt::Debug for DataTypes {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let printable = match *self {
+            DataTypes::Bool => "",
+            DataTypes::F64 => "f64",
+            DataTypes::I64 => "i64",
+            DataTypes::String => "string",
+        };
+        write!(f, "{:#?}", printable)
+    }
+}
+
+#[derive(Clone)]
+pub struct ColumnDef {
+    pub name: String,
+    pub data_type: DataTypes,
+}
+
+impl ColumnDef {
+    pub fn new(name: String, data_type: DataTypes) -> ColumnDef {
+        ColumnDef {
+            name: name,
+            data_type: data_type,
+        }
+    }
+}
+
+impl fmt::Debug for ColumnDef {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}: {:?}", self.name, self.data_type)
+    }
+}
+
+pub fn create_table_if_not_exists(name: &str, columns: &Vec<ColumnDef>) {
+    let mut m = Migration::new();
+    let cols = columns.clone();
+    m.create_table(name, move |t| {
+        for cd in &cols {
+            let cname: &str = &cd.name;
+            t.add_column(cname, cd.data_type.to_database_type());
+        }
+    });
+}
+
+#[test]
+fn barrel_reverse_integration() {
+    let cols = vec![
+        ColumnDef::new("name".into(), DataTypes::String),
+        ColumnDef::new("age".into(), DataTypes::I64),
+        ColumnDef::new("coolness".into(), DataTypes::F64),
+        ColumnDef::new("plushy_sharks_owned".into(), DataTypes::Bool),
+    ];
+
+    // We just call this function and hope it doesn't panic
+    create_table_if_not_exists("users", &cols);
+}