import {
  assert
} from 'chai';

import { isbinary } from '../dist/src/isbinary';
import * as path from 'path';

// subset of extensions
const BINARY_FILES = qualifyNames([
  'binaryExtentions/a.pdf',
  'binaryExtentions/a.gz',
  'binaryExtentions/a.zip',
  'binaryExtentions/a.exe',
  'binaryExtentions/a.jpeg',
  'binaryExtentions/a.jpg',
  'binaryExtentions/a.jar',
  'binaryExtentions/a.iso',
  'binaryExtentions/a.flv',
  'binaryExtentions/a.mpg3',
  'binaryExtentions/a.mpg4',
  'binaryExtentions/a.mpg'
]);

const NON_BINARY_FILES = qualifyNames([
  'nonBinary/a.json',
  'nonBinary/a.txt',
  'nonBinary/a.sh'
]);


function getAbsolutePath(file) {
  return path.join(__dirname + '/fixtures/', file);
}

function qualifyNames(names) {
  return names.map(getAbsolutePath);
}

describe('files', () => {
  it('identifies binary files by file extention', () => {
    BINARY_FILES.forEach((file) => {
      assert.ok(isbinary(file), `file extension ${path.extname(file)} not matched`);
    });
  });

  it('returns false for non-binary file extensions', () => {
    NON_BINARY_FILES.forEach((file) => {
      assert.isNotOk(isbinary(file));
    });
  });

  it('returns true for binary file content', () => {
    const f = getAbsolutePath('binary/binaryFile');
    assert.ok(isbinary(f));
  });
});