wp-pot / gulp-wp-pot

'use strict';

const assert = require('assert');

const fs = require('fs');

const gulpWpPot = require('../');

const testHelper = require('./test-helper');

const Vinyl = require('vinyl');

const PluginError = require('plugin-error');

const es = require('event-stream');

describe('File write tests', function () {

  it('should generate a file', function (done) {

    const fixturePath = 'test/fixtures/empty.php';

    const testFile = new Vinyl({

      path: fixturePath,

      contents: fs.readFileSync(fixturePath)

    });

    es.readArray([testFile])

      .pipe(gulpWpPot())

      .on('error', function (error) {

        done(error);

      })

      .on('data', function (file) {

        assert(file.isBuffer());

        done();

      });

  });

  it('should read a file correctly', function (done) {

    const fixturePath = 'test/fixtures/valid-functions.php';

    const testFile = new Vinyl({

      path: fixturePath,

      contents: fs.readFileSync(fixturePath)

    });

    es.readArray([testFile])

      .pipe(gulpWpPot({

        src: fixturePath

      }))

      .on('error', function (error) {

        done(error);

      })

      .on('data', function (file) {

        const potContents = file.contents.toString();

        testHelper.testValidFunctions(potContents, fixturePath);

        done();

      });

  });

});

describe('Error handling', function () {

  it('should throw an error if options is not an object or undefined', function () {

    assert.throws(function () {

      gulpWpPot('invalid');

    }, PluginError);

  });

  it('should emit an error if file is a stream', function (done) {

    const fixturePath = 'test/fixtures/empty.php';

    const testFile = new Vinyl({

      path: fixturePath,

      contents: fs.createReadStream(fixturePath)

    });

    es.readArray([testFile])

      .pipe(gulpWpPot())

      .on('error', function () {

        done();

      })

      .on('end', function () {

        done(new Error('Error was not fired'));

      });

  });

  it('should emit an error if there is an error in a file', function (done) {

    const fixturePath = 'test/fixtures/invalid.php';

    const testFile = new Vinyl({

      path: fixturePath,

      contents: fs.readFileSync(fixturePath)

    });

    es.readArray([testFile])

      .pipe(gulpWpPot())

      .on('error', function () {

        done();

      })

      .on('end', function () {

        done('Error was not fired');

      });

  });

});