@netdata/charts/dist/helpers/makePristine/index.test.js

Netdata frontend SDK and chart utilities

"use strict";

var _ = _interopRequireDefault(require("."));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
describe("makePristine", function () {
  var pristine;
  var resource;
  var mockDispatch;
  beforeEach(function () {
    mockDispatch = jest.fn();
    pristine = (0, _["default"])("pristine", ["name", "age"], mockDispatch);
    resource = {
      name: "John",
      age: 30,
      pristine: {}
    };
  });
  describe("updatePristine", function () {
    it("stores original value when property changes", function () {
      pristine.updatePristine(resource, "name", "Jane");
      expect(mockDispatch).toBeCalledWith({
        pristine: {
          name: "John"
        }
      }, resource);
    });
    it("ignores properties not in keys set", function () {
      pristine.updatePristine(resource, "email", "john@example.com");
      expect(mockDispatch).not.toBeCalled();
    });
    it("ignores when resource has no pristine property", function () {
      delete resource.pristine;
      pristine.updatePristine(resource, "name", "Jane");
      expect(mockDispatch).not.toBeCalled();
    });
    it("ignores when value hasn't changed", function () {
      pristine.updatePristine(resource, "name", "John");
      expect(mockDispatch).not.toBeCalled();
    });
    it("removes pristine entry when value reverts to original", function () {
      resource.pristine = {
        name: "John"
      };
      pristine.updatePristine(resource, "name", "John");
      expect(mockDispatch).toBeCalledWith({
        pristine: {}
      }, resource);
    });
    it("preserves other pristine values when removing one", function () {
      resource.pristine = {
        name: "John",
        age: 30
      };
      pristine.updatePristine(resource, "name", "John");
      expect(mockDispatch).toBeCalledWith({
        pristine: {
          age: 30
        }
      }, resource);
    });
    it("doesn't store pristine if property already in pristine and value different", function () {
      resource.pristine = {
        name: "Original"
      };
      pristine.updatePristine(resource, "name", "Jane");
      expect(mockDispatch).not.toBeCalled();
    });
    it("returns previous pristine value when updating", function () {
      var prevPristine = {
        existing: "value"
      };
      resource.pristine = prevPristine;
      var result = pristine.updatePristine(resource, "name", "Jane");
      expect(result).toBe(prevPristine);
    });
  });
  describe("resetPristine", function () {
    it("resets resource to pristine state and clears pristine", function () {
      resource.pristine = {
        name: "Original",
        age: 25
      };
      pristine.resetPristine(resource);
      expect(mockDispatch).toBeCalledWith({
        name: "Original",
        age: 25,
        pristine: {}
      }, resource);
    });
  });
  describe("with custom dispatch", function () {
    it("uses default dispatch when none provided", function () {
      var defaultPristine = (0, _["default"])("pristine", ["name"]);
      var testResource = {
        name: "John",
        pristine: {}
      };
      defaultPristine.updatePristine(testResource, "name", "Jane");
      expect(testResource.pristine).toEqual({
        name: "John"
      });
    });
  });
});