optimizely-oui/dist/js/components/Textarea/tests/index.js

Optimizely's Component Library.

"use strict";

var _react = _interopRequireDefault(require("react"));

var _index = _interopRequireDefault(require("../index"));

var _enzyme = require("enzyme");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

describe("components/Textarea", function () {
  it("should render a `<textarea>` element", function () {
    var component = (0, _enzyme.shallow)(_react["default"].createElement(_index["default"], null));
    expect(component.type()).toBe("textarea");
  });
  it("should add correct OUI classes", function () {
    var component = (0, _enzyme.shallow)(_react["default"].createElement(_index["default"], null));
    expect(component.hasClass("oui-textarea")).toBe(true);
  });
  it("should call the `onChange` event handler when the textarea is changed", function () {
    var handler = {
      onChange: function onChange(event) {
        return null;
      }
    };
    spyOn(handler, "onChange");
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      onChange: handler.onChange
    }));
    component.simulate("change");
    expect(handler.onChange).toHaveBeenCalled();
  });
  it("should call the `onFocus` event handler when the textarea gains focus", function () {
    var handler = {
      onFocus: function onFocus(event) {
        return null;
      }
    };
    spyOn(handler, "onFocus");
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      onFocus: handler.onFocus
    }));
    component.simulate("focus");
    expect(handler.onFocus).toHaveBeenCalled();
  });
  it("should call the `onBlur` event handler when the textarea loses focus", function () {
    var handler = {
      onBlur: function onBlur(event) {
        return null;
      }
    };
    spyOn(handler, "onBlur");
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      onBlur: handler.onBlur
    }));
    component.simulate("blur");
    expect(handler.onBlur).toHaveBeenCalled();
  });
  it("should call the `onKeyDown` event handler when a key is pressed down", function () {
    var handler = {
      onKeyDown: function onKeyDown(event) {
        return null;
      }
    };
    spyOn(handler, "onKeyDown");
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      onKeyDown: handler.onKeyDown
    }));
    component.simulate("keydown");
    expect(handler.onKeyDown).toHaveBeenCalled();
  });
  it("should call the `onInput` event handler when the textarea receives user input", function () {
    var handler = {
      onInput: function onInput(event) {
        return null;
      }
    };
    spyOn(handler, "onInput");
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      onInput: handler.onInput
    }));
    component.simulate("input");
    expect(handler.onInput).toHaveBeenCalled();
  });
  it("should blur the textarea when `blur` function is called", function () {
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], null));
    var instance = component.instance();
    spyOn(instance._textarea, "blur");
    instance.blur();
    expect(instance._textarea.blur).toHaveBeenCalled();
  });
  it("should have a properly set test section", function () {
    var component = (0, _enzyme.shallow)(_react["default"].createElement(_index["default"], {
      testSection: "foo"
    }));
    expect(component.is('[data-test-section="foo"]')).toBe(true);
  });
  it("should render a label if label is passed", function () {
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      testSection: "foo",
      label: "Input Label"
    }));
    expect(component.find('[data-test-section="foo-label"]').length).toBe(1);
  });
  it("should render a label with optional text if label and isOptional is passed", function () {
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      testSection: "foo",
      label: "Input Label",
      isOptional: true
    }));
    expect(component.text()).toBe("Input Label(Optional)");
  });
  it("should throw an error if isOptional is passed without a label", function () {
    spyOn(console, "error").and.stub();
    (0, _enzyme.shallow)(_react["default"].createElement(_index["default"], {
      testSection: "foo",
      isOptional: true
    }));
    expect(console.error.calls.all()[0].args[0]).toContain("Must include a value for the label prop to use the isOptional prop"); // eslint-disable-line
  });
  it("should render a label with required mark if label and isRequired is passed", function () {
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      testSection: "foo",
      label: "Input Label",
      isRequired: true
    }));
    expect(component.find(".oui-label--required").length).toBe(1);
  });
  it("should not render a label by default", function () {
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      testSection: "foo"
    }));
    expect(component.find('[data-test-section="foo-label"]').length).toBe(0);
  });
  it("should render a note if passed", function () {
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      testSection: "foo",
      note: "A short description"
    }));
    expect(component.find('[data-test-section="foo-note"]').length).toBe(1);
    expect(component.find('[data-test-section="foo-note"]').text()).toBe("A short description");
  });
  it("should add a numRows attribute when numRows is passed", function () {
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      numRows: 10
    }));
    expect(component.find("textarea").prop("rows")).toBe(10);
  });
  it("should add a maxLength attribute when maxLength is passed", function () {
    var component = (0, _enzyme.mount)(_react["default"].createElement(_index["default"], {
      maxLength: 50
    }));
    expect(component.find("textarea").prop("maxLength")).toBe(50);
  });
  describe("when given a className", function () {
    it("appends it to the root element", function () {
      var component = (0, _enzyme.shallow)(_react["default"].createElement(_index["default"], {
        className: "extra-class"
      }));
      expect(component.find("textarea").prop("className").includes("extra-class")).toBe(true);
    });
  });
  describe("when given an unknown prop", function () {
    it("passes it to the root element", function () {
      // @ts-ignore: `unknownProps` is not part of any typed interface and therefore a good test value.
      var component = (0, _enzyme.shallow)(_react["default"].createElement(_index["default"], {
        unknownProp: "some value"
      }));
      expect(component.find("textarea")).toHaveProp({
        unknownProp: "some value"
      });
    });
  });
});