query/test/filter.js

const { assert } = require('chai')
const fs = require('fs')

describe('Filter', function () {

	// get function
	const Filter = require('./../src/filter.js')

	// check results
	it('_eq', function() {

		const filter = new Filter({
			view: {
				_eq: 'post.njk'
			}
		})

		const data = {
			view: 'post.njk'
		}

      	assert.equal(filter.validate(data), true)
    })

	it('_neq', function() {

		const filter = new Filter({
			view: {
				_neq: 'post.njk'
			}
		})

		const data = {
			view: 'blog.njk'
		}

      	assert.equal(filter.validate(data), true)
    })

	it('_in single', function() {

		const filter = new Filter({
			tags: {
				_in: 'monday'
			}
		})

		const data = {
			tags: [
				'monday', 'friday'
			]
		}

		assert.equal(filter.validate(data), true)
	})

	it('_in single, missing tags', function() {

		const filter = new Filter({
			tags: {
				_in: 'monday'
			}
		})

		const data = {
			name: 'monday'
		}

		assert.equal(filter.validate(data), false)
	})

	it('_in array', function() {

		const filter = new Filter({
			tags: {
				_in: [
					'monday'
				]
			}
		})

		const data = {
			tags: [
				'monday', 'friday'
			]
		}

		assert.equal(filter.validate(data), true)
	})

	it('_lt', function() {

		const filter = new Filter({
			number: {
				_lt: 100
			}
		})

		const data = {
			number: 150
		}

		assert.equal(filter.validate(data), true)
	})

	it('_lte', function() {

		const filter = new Filter({
			number: {
				_lte: 150
			}
		})

		const data = {
			number: 150
		}

		assert.equal(filter.validate(data), true)
	})

	it('_gt', function() {

		const filter = new Filter({
			number: {
				_gt: 150
			}
		})

		const data = {
			number: 100
		}

		assert.equal(filter.validate(data), true)
	})

	it('_gte', function() {

		const filter = new Filter({
			number: {
				_gte: 150
			}
		})

		const data = {
			number: 100
		}

		assert.equal(filter.validate(data), true)
	})

	it('_null', function() {

		const filter = new Filter({
			not: {
				_null: true
			}
		})

		const data = {

		}

		assert.equal(filter.validate(data), true)
	})

	it('_nnull', function() {

		const filter = new Filter({
			not: {
				_nnull: true
			}
		})

		const data = {
			not: true
		}

		assert.equal(filter.validate(data), true)
	})
})