text: var detective = require('../');
  var assert = require('assert');
  
  describe('detective-stylus', function() {
    function hasDependencies(source, expected) {
      var deps = detective(source);
      assert.deepEqual(deps, expected);
    }
  
    it('returns the dependencies of Stylus @import statements', function() {
      hasDependencies('@import "_foo.styl"', ['_foo.styl']);
      hasDependencies('@import "_foo"', ['_foo']);
      hasDependencies('body { color: blue } @import "_foo"', ['_foo']);
      hasDependencies('@import "bar"', ['bar']);
      hasDependencies('@import "_foo.styl";\n@import "_bar.styl"', ['_foo.styl', '_bar.styl']);
      hasDependencies('@import "_foo.styl"\n@import "_bar.styl"\n@import "_baz"\n@import "_buttons"', ['_foo.styl', '_bar.styl', '_baz', '_buttons']);
    });
  
    it('returns the dependencies of Stylus @require statements', function() {
      hasDependencies('@require \'bar\';', ['bar']);
      hasDependencies('@require \'bar.styl\';', ['bar.styl']);
    });
  
    it('does not throw for empty files', function() {
      assert.doesNotThrow(function() {
        detective('');
      });
    });
  });
  