graphql#parseValue TypeScript Examples

The following examples show how to use graphql#parseValue. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: valueFromValueNode.ts    From amplify-codegen with Apache License 2.0 5 votes vote down vote up 
describe('#valueFromValueNode', () => {
  test(`should return a number for an IntValue`, () => {
    const valueNode = parseValue('1');
    const value = valueFromValueNode(valueNode);

    expect(value).toBe(1);
  });

  test(`should return a number for a FloatValue`, () => {
    const valueNode = parseValue('1.0');
    const value = valueFromValueNode(valueNode);

    expect(value).toBe(1.0);
  });

  test(`should return a boolean for a BooleanValue`, () => {
    const valueNode = parseValue('true');
    const value = valueFromValueNode(valueNode);

    expect(value).toBe(true);
  });

  test(`should return null for a NullValue`, () => {
    const valueNode = parseValue('null');
    const value = valueFromValueNode(valueNode);

    expect(value).toBe(null);
  });

  test(`should return a string for a StringValue`, () => {
    const valueNode = parseValue('"foo"');
    const value = valueFromValueNode(valueNode);

    expect(value).toBe('foo');
  });

  test(`should return a string for an EnumValue`, () => {
    const valueNode = parseValue('JEDI');
    const value = valueFromValueNode(valueNode);

    expect(value).toBe('JEDI');
  });

  test(`should return an object for a Variable`, () => {
    const valueNode = parseValue('$something');
    const value = valueFromValueNode(valueNode);

    expect(value).toEqual({ kind: 'Variable', variableName: 'something' });
  });

  test(`should return an array for a ListValue`, () => {
    const valueNode = parseValue('[ "foo", 1, JEDI, $something ]');
    const value = valueFromValueNode(valueNode);

    expect(value).toEqual(['foo', 1, 'JEDI', { kind: 'Variable', variableName: 'something' }]);
  });

  test(`should return an object for an ObjectValue`, () => {
    const valueNode = parseValue('{ foo: "foo", bar: 1, bla: JEDI, baz: $something }');
    const value = valueFromValueNode(valueNode);

    expect(value).toEqual({
      foo: 'foo',
      bar: 1,
      bla: 'JEDI',
      baz: { kind: 'Variable', variableName: 'something' },
    });
  });
});