node-postgres/packages/pg-native/test/query-sync.js

var Client = require("../");
var assert = require("assert");

describe("query sync", function (done) {
  before(function () {
    this.client = Client();
    this.client.connectSync();
  });

  after(function (done) {
    this.client.end(done);
  });

  it("simple query works", function () {
    var rows = this.client.querySync("SELECT NOW() AS the_time");
    assert.equal(rows.length, 1);
    assert.equal(rows[0].the_time.getFullYear(), new Date().getFullYear());
  });

  it("parameterized query works", function () {
    var rows = this.client.querySync("SELECT $1::text AS name", ["Brian"]);
    assert.equal(rows.length, 1);
    assert.equal(rows[0].name, "Brian");
  });

  it("throws when second argument is not an array", function () {
    assert.throws(() => {
      this.client.querySync("SELECT $1::text AS name", "Brian");
    });
    assert.throws(() => {
      this.client.prepareSync("test-failure", "SELECT $1::text as name", 1);

      this.client.executeSync("test-failure", "Brian");
    });
  });

  it("prepared statement works", function () {
    this.client.prepareSync("test", "SELECT $1::text as name", 1);

    var rows = this.client.executeSync("test", ["Brian"]);
    assert.equal(rows.length, 1);
    assert.equal(rows[0].name, "Brian");

    var rows2 = this.client.executeSync("test", ["Aaron"]);
    assert.equal(rows2.length, 1);
    assert.equal(rows2[0].name, "Aaron");
  });

  it("prepare throws exception on error", function () {
    assert.throws(
      function () {
        this.client.prepareSync("blah", "I LIKE TO PARTY!!!", 0);
      }.bind(this),
    );
  });

  it("throws exception on executing improperly", function () {
    assert.throws(function () {
      // wrong number of parameters
      this.client.executeSync("test", []);
    });
  });

  it("throws exception on error", function () {
    assert.throws(
      function () {
        this.client.querySync("SELECT ASLKJASLKJF");
      }.bind(this),
    );
  });

  it("is still usable after an error", function () {
    var rows = this.client.querySync("SELECT NOW()");
    assert(rows, "should have returned rows");
    assert.equal(rows.length, 1);
  });

  it("supports empty query", function () {
    var rows = this.client.querySync("");
    assert(rows, "should return rows");
    assert.equal(rows.length, 0, "should return no rows");
  });
});