Connect MongoDB & PostgreSQL Databases

Prerequisites

Before you begin, ensure that you have referred to:

• Documentation on installing add-ons the community addon.

---

Connect MongoDB via addon

To set up a database connection to MongoDB in Testsigma, follow these steps:

1. From the left navigation bar, go to Addons and click Add-ons.
2. Under the New & Updated Addons section, search for the MongoDB_NLPs addon and click Install.
3. Once you install the MongoDB_NLPs addon, you can find the predefined NLPs in Test Steps.
4. The parameters available with NLPs and how to use them in Test Steps are shown below.

Parameter	Description	Example Value
DBname	Collections are stored in a MongoDB database	e-commerce, blog, social-media
CollectionName	A group of MongoDB documents	users, products, orders
MongoDB_Connection	MongoDB connection connects to a MongoDB server or cluster	MongoClient, Mongoose
MongoDB_ConnectionURL	A URL-like string used to specify the address of a MongoDB server or cluster, as well as options for the connection	mongodb://localhost:27017/blog

---

Connect PostgreSQL via addon

To set up a database connection to PostgreSQL in Testsigma, follow these steps:

1. From the left navigation bar, go to Addons and click Add-ons.
2. Under the New & Updated Addons section, search for the PostgreSQL_Queries addon and click Install.
3. Once you install the PostgreSQL_Queries addon, you can find the predefined NLPs in Test Steps.
4. The parameters available with NLPs and how to use them in Test Steps are shown below.

Parameter	Description	Example Value
Query	Executes a query on a PostgreSQL database	SELECT * FROM table_name;
Row_Count	Returns the number of rows in a result set	SELECT COUNT(*) FROM table_name;
DB_ConnectionURL	Creates a URL string for connecting to a PostgreSQL database	postgresql://user:password@localhost:5432/database_name
PG_DBConnectionURL	Creates a connection URL for connecting to a PostgreSQL database	postgresql://username:password@host:port/database_name
Variable-Name	Assigns a value to a variable	var_name = “some value”
Select-Query	Executes a SELECT query and returns the result set	SELECT column_name FROM table_name WHERE condition;
Expected-Value	Compares a result with an expected value	assert result == expected_value, f“Expected {expected_value}, but got {result}”

---