Add passing tests for builder

crates/program_builder/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "program_builder"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+# 1st party
+uplc = { path = '../uplc', version = "0.0.3" }

crates/program_builder/src/lib.rs

@@ -0,0 +1,32 @@
+use uplc::ast::{Constant, DeBruijn, Name, Program, Term};
+
+#[derive(Default)]
+pub struct Builder {
+    // version: (usize, usize, usize),
+}
+
+impl Builder {
+    pub fn build_named(&self) -> Program<Name> {
+        Program {
+            version: (11, 22, 33),
+            term: Term::Constant(Constant::Integer(11)),
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::Builder;
+    use uplc::parser;
+
+    #[test]
+    fn it_works() {
+        let code = r"(program
+                           11.22.33
+                           (con integer 11)
+                         )";
+        let expected = parser::program(code).unwrap();
+        let actual = Builder::default().build_named();
+        assert_eq!(expected, actual);
+    }
+}