1 files changed, 70 insertions, 1 deletions
diff --git a/pkg/util/utils_test.go b/pkg/util/utils_test.go
index f47c0b7ad..c938dc592 100644
--- a/pkg/util/utils_test.go
+++ b/pkg/util/utils_test.go
@@ -1,8 +1,9 @@
 package util
 
 import (
-	"github.com/stretchr/testify/assert"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 var (
@@ -17,3 +18,71 @@ func TestStringInSlice(t *testing.T) {
 	// string is not in empty slice
 	assert.False(t, StringInSlice("one", []string{}))
 }
+
+func TestParseChanges(t *testing.T) {
+	// CMD=/bin/sh
+	_, vals, err := ParseChanges("CMD=/bin/sh")
+	assert.EqualValues(t, []string{"/bin/sh"}, vals)
+	assert.NoError(t, err)
+
+	// CMD [/bin/sh]
+	_, vals, err = ParseChanges("CMD [/bin/sh]")
+	assert.EqualValues(t, []string{"/bin/sh"}, vals)
+	assert.NoError(t, err)
+
+	// CMD ["/bin/sh"]
+	_, vals, err = ParseChanges(`CMD ["/bin/sh"]`)
+	assert.EqualValues(t, []string{`"/bin/sh"`}, vals)
+	assert.NoError(t, err)
+
+	// CMD ["/bin/sh","-c","ls"]
+	_, vals, err = ParseChanges(`CMD ["/bin/sh","c","ls"]`)
+	assert.EqualValues(t, []string{`"/bin/sh"`, `"c"`, `"ls"`}, vals)
+	assert.NoError(t, err)
+
+	// CMD ["/bin/sh","arg-with,comma"]
+	_, vals, err = ParseChanges(`CMD ["/bin/sh","arg-with,comma"]`)
+	assert.EqualValues(t, []string{`"/bin/sh"`, `"arg-with`, `comma"`}, vals)
+	assert.NoError(t, err)
+
+	// CMD "/bin/sh"]
+	_, _, err = ParseChanges(`CMD "/bin/sh"]`)
+	assert.Error(t, err)
+	assert.Equal(t, `invalid value "/bin/sh"]`, err.Error())
+
+	// CMD [bin/sh
+	_, _, err = ParseChanges(`CMD "/bin/sh"]`)
+	assert.Error(t, err)
+	assert.Equal(t, `invalid value "/bin/sh"]`, err.Error())
+
+	// CMD ["/bin /sh"]
+	_, _, err = ParseChanges(`CMD ["/bin /sh"]`)
+	assert.Error(t, err)
+	assert.Equal(t, `invalid value "/bin /sh"`, err.Error())
+
+	// CMD ["/bin/sh", "-c","ls"] whitespace between values
+	_, vals, err = ParseChanges(`CMD ["/bin/sh", "c","ls"]`)
+	assert.Error(t, err)
+	assert.Equal(t, `invalid value  "c"`, err.Error())
+
+	// CMD?
+	_, _, err = ParseChanges(`CMD?`)
+	assert.Error(t, err)
+	assert.Equal(t, `invalid format CMD?`, err.Error())
+
+	// empty values for CMD
+	_, _, err = ParseChanges(`CMD `)
+	assert.Error(t, err)
+	assert.Equal(t, `invalid value `, err.Error())
+
+	// LABEL=blue=image
+	_, vals, err = ParseChanges(`LABEL=blue=image`)
+	assert.EqualValues(t, []string{"blue", "image"}, vals)
+	assert.NoError(t, err)
+
+	// LABEL = blue=image
+	_, vals, err = ParseChanges(`LABEL = blue=image`)
+	assert.Error(t, err)
+	assert.Equal(t, `invalid value = blue=image`, err.Error())
+
+}