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/* global expect*/
const isArray = require('lodash/isArray');
const find = require('unist-util-find');
const { root } = require('mdast-builder');
const getAllBetween = require('./between-headings');
const simpleAst = require('../../__fixtures__/ast-simple.json');
const extraHeadingAst = require('../../__fixtures__/ast-extra-heading.json');
describe('between-headings', () => {
it('should return an array', () => {
expect.assertions(1);
const actual = getAllBetween(simpleAst, '--hints--');
expect(isArray(actual)).toBe(true);
});
it('should return an empty array if the marker is not present', () => {
expect.assertions(2);
const actual = getAllBetween(simpleAst, '--not-a-marker--');
expect(isArray(actual)).toBe(true);
expect(actual.length).toBe(0);
});
it('should include any headings without markers', () => {
expect.assertions(1);
const actual = getAllBetween(extraHeadingAst, '--description--');
expect(
find(root(actual), {
value: 'this should still be inside --description--'
})
).not.toBeUndefined();
});
it('should include the rest of the AST if there is no end marker', () => {
expect.assertions(2);
const actual = getAllBetween(extraHeadingAst, '--solutions--');
expect(actual.length > 0).toBe(true);
expect(
find(root(actual), { value: 'body {\n background: white;\n}' })
).not.toBeUndefined();
});
it('should match the hints snapshot', () => {
const actual = getAllBetween(simpleAst, '--hints--');
expect(actual).toMatchSnapshot();
});
it('should match the instructions snapshot', () => {
const actual = getAllBetween(simpleAst, '--instructions--');
expect(actual).toMatchSnapshot();
});
});