remove dependency on fileutil library

es6numfmt_test.go

@@ -14,7 +14,6 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/beeemT/Packages/fileutil"
 	"github.com/stretchr/testify/require"
 )
 
@@ -70,9 +69,7 @@ func TestNumberToJSON(t *testing.T) {
 		},
 	}
 
-	exists, err := fileutil.Exists(testFile)
-	r.NoErrorf(err, "Failed at testing if numbers test file exists: %s\n", err)
-	if exists {
+	if _, err := os.Stat(testFile); err == nil {
 		file, err := os.Open(testFile)
 		r.NoErrorf(err, "Failed at reading test sample file: %s\n", err)
 
@@ -96,7 +93,9 @@ func TestNumberToJSON(t *testing.T) {
 		}
 		r.NoErrorf(err, "Failed at scanning test file: %s\n", err)
 		file.Close()
-
+	} else if os.IsNotExist(err) {
+	} else {
+		r.NoErrorf(err, "Failed at testing if numbers test file exists: %s\n", err)
 	}
 
 	for _, tC := range testCases {

go.mod

@@ -2,7 +2,4 @@ module github.com/gowebpki/jcs
 
 go 1.15
 
-require (
-	github.com/beeemT/Packages/fileutil v1.0.0
-	github.com/stretchr/testify v1.7.0
-)
+require github.com/stretchr/testify v1.7.0

go.sum

@@ -1,13 +1,11 @@
-github.com/beeemT/Packages v1.0.0 h1:JIkQRRGi+KqjvssKJgiNVmrRndg4mU5cW8V4C55N/dA=
-github.com/beeemT/Packages/fileutil v1.0.0 h1:s5jgw/4mUqKhm5Wv0m7tTmiOb74m+FP1oqjSyQQnAXk=
-github.com/beeemT/Packages/fileutil v1.0.0/go.mod h1:U8KuipNlBzlIQTX9mQk/kWVhaYO0IxMlaCJj3oCl9T4=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=