count empty files in the number of parsed files in text output

acceptance.bats

@@ -19,7 +19,7 @@
 }
 
 @test "Pass when parsing a valid Kubernetes config YAML file with generate name" {
-  run bin/kubeconform fixtures/generate_name.yaml
+  run bin/kubeconform -verbose fixtures/generate_name.yaml
   [ "$status" -eq 0 ]
   [ "$output" = "fixtures/generate_name.yaml - Job pi-{{ generateName }} is valid" ]
 }
@@ -58,6 +58,12 @@
   [ "$output" = "fixtures/not-here - failed validation: open fixtures/not-here: no such file or directory" ]
 }
 
+@test "Pass when parsing a blank config file" {
+   run bin/kubeconform -summary fixtures/blank.yaml
+   [ "$status" -eq 0 ]
+   [ "$output" = "Summary: 0 resource found in 1 file - Valid: 0, Invalid: 0, Errors: 0 Skipped: 0" ]
+}
+
 @test "Fail when parsing a config with additional properties and strict set" {
   run bin/kubeconform -strict -k8sversion 1.16.0 fixtures/extra_property.yaml
   [ "$status" -eq 1 ]

cmd/kubeconform/main.go

@@ -65,7 +65,12 @@ func ValidateStream(r io.Reader, regs []registry.Registry, k8sVersion string, c
 		return []validationResult{{err: fmt.Errorf("failed reading file: %s", err)}}
 	}
 
+
 	validationResults := []validationResult{}
+	if len(rawResources) == 0 {
+		// In case a file has no resources, we want to capture that the file was parsed - and therefore send a message with an empty resource and no error
+		validationResults = append(validationResults, validationResult{kind: "", version: "", Name: "", err: nil, skipped: false})
+	}
 
 	for _, rawResource := range rawResources {
 		var sig resource.Signature
@@ -75,6 +80,7 @@ func ValidateStream(r io.Reader, regs []registry.Registry, k8sVersion string, c
 		}
 
 		if sig.Kind == "" {
+			validationResults = append(validationResults, validationResult{kind: "", version: "", Name: "", err: nil, skipped: false})
 			continue // We skip resoures that don't have a Kind defined
 		}
 

pkg/output/json.go

@@ -41,7 +41,7 @@ func JSON(w io.Writer, withSummary bool, verbose bool) Output {
 func (o *jsono) Write(filename, kind, name, version string, err error, skipped bool) error {
 	msg, st := "", ""
 
-	s := status(err, skipped)
+	s := status(kind, name, err, skipped)
 
 	switch s {
 	case VALID:
@@ -58,9 +58,10 @@ func (o *jsono) Write(filename, kind, name, version string, err error, skipped b
 	case SKIPPED:
 		st = "SKIPPED"
 		o.nSkipped++
+	case EMPTY:
 	}
 
-	if o.verbose || (s != VALID && s != SKIPPED) {
+	if o.verbose || (s != VALID && s != SKIPPED && s != EMPTY ) {
 		o.results = append(o.results, result{Filename: filename, Kind: kind, Name: name, Version: version, Status: st, Msg: msg})
 	}
 

pkg/output/output.go

@@ -10,6 +10,7 @@ const (
 	INVALID
 	ERROR
 	SKIPPED
+	EMPTY
 )
 
 type Output interface {
@@ -17,7 +18,11 @@ type Output interface {
 	Flush() error
 }
 
-func status(err error, skipped bool) int {
+func status(kind, name string, err error, skipped bool) int {
+	if name == "" && kind == "" && err == nil && skipped == false {
+		return EMPTY
+	}
+
 	if skipped {
 		return SKIPPED
 	}

pkg/output/text.go

@@ -36,7 +36,7 @@ func (o *text) Write(filename, kind, name, version string, reserr error, skipped
 	var err error
 
 	o.files[filename] = true
-	switch status(reserr, skipped) {
+	switch status(kind, name, reserr, skipped) {
 	case VALID:
 		if o.verbose {
 			_, err = fmt.Fprintf(o.w, "%s - %s %s is valid\n", filename, kind, name)
@@ -57,6 +57,7 @@ func (o *text) Write(filename, kind, name, version string, reserr error, skipped
 			_, err = fmt.Fprintf(o.w, "%s - %s %s skipped\n", filename, name, kind)
 		}
 		o.nSkipped++
+	case EMPTY:
 	}
 
 	return err