test: add sql unit tests

src/operations/other.ts

@@ -9,13 +9,13 @@ export function sql(mOptions: MigrationOptions): Sql {
 
   return (sqlStr, args) => {
     // applies some very basic templating using the utils.p
-    let s: string = t(sqlStr, args);
+    let statement: string = t(sqlStr, args);
 
     // add trailing ; if not present
-    if (s.lastIndexOf(';') !== s.length - 1) {
-      s += ';';
+    if (statement.lastIndexOf(';') !== statement.length - 1) {
+      statement += ';';
     }
 
-    return s;
+    return statement;
   };
 }

test/operations/sql.spec.ts

@@ -0,0 +1,22 @@
+import { describe, expect, it } from 'vitest';
+import { sql } from '../../src/operations/other';
+import { options1 } from '../utils';
+
+describe('operations', () => {
+  describe('sql', () => {
+    const sqlFn = sql(options1);
+
+    it('should return a function', () => {
+      expect(sqlFn).toBeTypeOf('function');
+    });
+
+    it('should return sql statement', () => {
+      const statement = sqlFn('SELECT * FROM users WHERE id = {id}', {
+        id: 1,
+      });
+
+      expect(statement).toBeTypeOf('string');
+      expect(statement).toStrictEqual('SELECT * FROM users WHERE id = 1;');
+    });
+  });
+});