add test for parsing from bytes

internal/parser/parser_test.go

@@ -37,6 +37,43 @@ func Test_FeatureFilePathParser(t *testing.T) {
 	}
 }
 
+func Test_ParseFromBytes_FromMultipleFeatures(t *testing.T) {
+	featureFileName := "godogs.feature"
+	eatGodogContents := `
+Feature: eat godogs
+  In order to be happy
+  As a hungry gopher
+  I need to be able to eat godogs
+
+  Scenario: Eat 5 out of 12
+    Given there are 12 godogs
+    When I eat 5
+    Then there should be 7 remaining`
+
+	baseDir := filepath.Join(os.TempDir(), t.Name(), "godogs")
+	errA := os.MkdirAll(baseDir+"/a", 0755)
+	defer os.RemoveAll(baseDir)
+
+	require.Nil(t, errA)
+
+	err := ioutil.WriteFile(filepath.Join(baseDir, featureFileName), []byte(eatGodogContents), 0644)
+	require.Nil(t, err)
+
+	featureFromFile, err := parser.ParseFeatures("", []string{baseDir})
+	require.NoError(t, err)
+	require.Len(t, featureFromFile, 1)
+
+	input := map[string][]byte{
+		filepath.Join(baseDir, featureFileName): []byte(eatGodogContents),
+	}
+
+	featureFromBytes, err := parser.ParseFromBytes("", input)
+	require.NoError(t, err)
+	require.Len(t, featureFromBytes, 1)
+
+	assert.Equal(t, featureFromFile, featureFromBytes)
+}
+
 func Test_ParseFeatures_FromMultiplePaths(t *testing.T) {
 	const featureFileName = "godogs.feature"
 	const featureFileContents = `Feature: eat godogs

run.go

@@ -342,7 +342,7 @@ func (ts TestSuite) RetrieveFeatures() ([]*models.Feature, error) {
 	return parser.ParseFeatures(opt.Tags, opt.Paths)
 }
 
-// should be a map of string[]byte where the string is the path name of the feature file 
+// should be a map of string[]byte where the string is the path name of the feature file
 // and the []byte is the bytes read from the file
 func (ts TestSuite) RetrieveFeaturesFromBytes(featuresInputs map[string][]byte) ([]*models.Feature, error) {
 	opt := ts.Options