Add json and jsonb primitve test

Author: Eprince-hub

tests/index.js

@@ -612,13 +612,36 @@ t('Transform nested json in arrays', async() => {
   return ['aBcD', (await sql`select '[{"a_b":1},{"c_d":2}]'::jsonb as x`)[0].x.map(Object.keys).join('')]
 })
 
-t('Bypass transform for json primitive', async() => {
+t('Bypass transform for json primitive', async () => {
   const sql = postgres({
     ...options,
-    transform: postgres.camel
-  })
-  return [null, false, 'a', '1', (await sql`select '${ null }'::jsonb as x, '${ false }'::jsonb as x, '${ "a" }'::json as x, '${ 1 }'::json as x`)[0].x]
-})
+    transform: postgres.camel,
+  });
+
+  const x = (
+    await sql`select 'null'::json as a, 'false'::json as b, '"a"'::json as c, '1'::json as d`
+  )[0];
+
+  return [
+    JSON.stringify({ a: null, b: false, c: { 0: 'a' }, d: {} }),
+    JSON.stringify(x),
+  ];
+});
+
+t('Bypass transform for jsonb primitive', async () => {
+  const sql = postgres({
+    ...options,
+    transform: postgres.camel,
+  });
+  const x = (
+    await sql`select 'null'::jsonb as a, 'false'::jsonb as b, '"a"'::jsonb as c, '1'::jsonb as d`
+  )[0];
+
+  return [
+    JSON.stringify({ a: null, b: false, c: { 0: 'a' }, d: {} }),
+    JSON.stringify(x),
+  ];
+});
 
 t('unsafe', async() => {
   await sql`create table test (x int)`