@netdata/charts/dist/components/provider/context.test.js

Netdata frontend SDK and chart utilities

"use strict";

var _react = _interopRequireDefault(require("react"));
var _react2 = require("@testing-library/react");
require("@testing-library/jest-dom");
var _context = _interopRequireDefault(require("./context"));
var _jsxRuntime = require("react/jsx-runtime");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
describe("ChartContext", function () {
  it("creates React context with null default value", function () {
    expect(_context["default"]).toBeDefined();
    expect(_context["default"].Provider).toBeDefined();
    expect(_context["default"].Consumer).toBeDefined();
  });
  it("provides context value to children", function () {
    var testValue = {
      test: "data"
    };
    var TestComponent = function TestComponent() {
      return /*#__PURE__*/(0, _jsxRuntime.jsx)(_context["default"].Consumer, {
        children: function children(value) {
          return /*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
            "data-testid": "context-value",
            children: JSON.stringify(value)
          });
        }
      });
    };
    (0, _react2.render)(/*#__PURE__*/(0, _jsxRuntime.jsx)(_context["default"].Provider, {
      value: testValue,
      children: /*#__PURE__*/(0, _jsxRuntime.jsx)(TestComponent, {})
    }));
    expect(_react2.screen.getByTestId("context-value")).toHaveTextContent('{"test":"data"}');
  });
  it("provides null by default when no provider", function () {
    var TestComponent = function TestComponent() {
      return /*#__PURE__*/(0, _jsxRuntime.jsx)(_context["default"].Consumer, {
        children: function children(value) {
          return /*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
            "data-testid": "context-value",
            children: String(value)
          });
        }
      });
    };
    (0, _react2.render)(/*#__PURE__*/(0, _jsxRuntime.jsx)(TestComponent, {}));
    expect(_react2.screen.getByTestId("context-value")).toHaveTextContent("null");
  });
});