Cypress POSTGRES

Test sql query to your postgres database in cypress tests

Use this plugin to query postgres database and use response in cypress tests

Installation

• Run below command in terminal to install the cypress postgres

npm i -D cypress-postgres

• Open your cypress/plugins/index.js file and register a new task

module.exports = on => {
    on("task", {
        dbQuery:(query)=> require("cypress-postgres")(query.query,query.connection)
    });
};

How to use it

To query postgres database follow below steps-

• Add postgres database connection details in cypress.json file. Details like-

"db":
{"user": "postgres",
"host": "localhost",
"database": "postgres",
"password": "*****",
"port":5432
}

• Use dbQuery task in your tests to query postgres database like below-

cy.task("dbQuery", {"query":"your sql query"}).then(queryResponse => {
  expect(queryResponse).to.equal("[{Your expected query result}]")
});

• If you need to query multiple database you can also pass the connection from scripts like below-
• Create connection in your scripts-

let connection={"user": "postgres",
"host": "localhost",
"database": "postgres",
"password": "*****",
"port":5432
}

• And use this in your test scripts like below-

  cy.task("dbQuery", {"query":"your sql query","connection":connection}).then(queryResponse => {
            expect(queryResponse).to.equal("[{Your expected query result}]")
        });
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