Add core functionality tests

tests/main.js

@@ -1,4 +1,6 @@
 /* eslint-env mocha */
+
+var fs = require('fs');
 var assert = require('assert');
 var scss2sass = require('../index');
 
@@ -9,4 +11,33 @@ describe('Convert', function () {
       { include: 'foo/bar.scss' }
     );
   });
+
+  it('unsupported linter', function () {
+    assert.deepEqual(
+      scss2sass.convert({ linters: { 'UnsupportedLinter': { enabled: true } } }, { debug: true }).unsupported,
+      ['UnsupportedLinter']
+    );
+  });
+
+  it('unsupported linter option', function () {
+    assert.ok(scss2sass.convert(
+      { linters: { 'LeadingZero': { enabled: true, unsupported_option: true } } },
+      { debug: true }
+    ).warnings[0].indexOf('unsupported_option'));
+  });
+
+  it('unsupported linter option value', function () {
+    assert.ok(scss2sass.convert(
+      { linters: { 'LeadingZero': { enabled: true, style: 'unsupported_value' } } },
+      { debug: true }
+    ).warnings[0].indexOf('unsupported_value'));
+  });
+});
+
+describe('ConvertYaml', function () {
+  it('doesn\'t fail', function () {
+    var yaml = fs.readFileSync('tests/scss-lint-yml/default.yml');
+
+    assert.ok(scss2sass.convertYaml(yaml));
+  });
 });