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Testing the ionic2 component: no provider for the form

I have a simple Ionic2 component using the following directives:

@View({
  templateUrl: 'build/components/checkinDateInput/checkinDateInput.html',
  directives: [ FocusDirective, Item, Label, TextInput ],
})

When testing, I get an error message: No provider for Form! (Item -> Form)

I tried to add a provider to my specification:

beforeEachProviders(() => [Form]);

However, it Formis private in Ionic, and therefore I cannot import it ( ionic-framework/util/form.d.ts):

/**
 * @private
 */
export declare class Form {
    private _blur;
...

error TS2305: Module '".../node_modules/ionic-framework/ionic"' has no exported member 'Form'.

Since it cannot be imported, I cannot mock it in beforeEachProviders because it Formwill be undefined.

beforeEachProviders(() => [
    provide(Form, {useClass: MockForm})
]);

Should I import Form, or am I mistaken about this?

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Source: https://habr.com/ru/post/1629270/

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