Function expectQuickInfo

packages/language-service/test/quick_info_spec.ts:1269–1292

({
    templateOverride,
    expectedSpanText,
    expectedDisplayString,
  }: {
    templateOverride: string;
    expectedSpanText: string;
    expectedDisplayString: string;
  })

  });

  function expectQuickInfo({
    templateOverride,
    expectedSpanText,
    expectedDisplayString,
  }: {
    templateOverride: string;
    expectedSpanText: string;
    expectedDisplayString: string;
  }): ts.QuickInfo {
    const text = templateOverride.replace('¦', '');
    const template = project.openFile('app.html');
    template.contents = text;
    env.expectNoSourceDiagnostics();

    template.moveCursorToText(templateOverride);
    const quickInfo = template.getQuickInfoAtPosition();
    expect(quickInfo).toBeTruthy();
    const {textSpan, displayParts} = quickInfo!;
    expect(text.substring(textSpan.start, textSpan.start + textSpan.length)).toEqual(
      expectedSpanText,
    );
    expect(toText(displayParts)).toEqual(expectedDisplayString);
    return quickInfo!;
  }
});

function toText(displayParts?: ts.SymbolDisplayPart[]): string {