added nuts-go-test

test/io/io.go

@@ -0,0 +1,31 @@
+package io
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"regexp"
+	"testing"
+)
+
+var invalidPathCharRegex = regexp.MustCompile("([^a-zA-Z0-9])")
+
+// TestDirectory returns a temporary directory for this test only. Calling TestDirectory multiple times for the same
+// instance of t returns a new directory every time.
+func TestDirectory(t *testing.T) string {
+	if dir, err := ioutil.TempDir("", normalizeTestName(t)); err != nil {
+		t.Fatal(err)
+		return ""
+	} else {
+		t.Cleanup(func() {
+			if err := os.RemoveAll(dir); err != nil {
+				_, _ = os.Stderr.WriteString(fmt.Sprintf("Unable to remove temporary directory for test (%s): %v\n", dir, err))
+			}
+		})
+		return dir
+	}
+}
+
+func normalizeTestName(t *testing.T) string {
+	return invalidPathCharRegex.ReplaceAllString(t.Name(), "_")
+}

test/io/io_test.go

@@ -0,0 +1,14 @@
+package io
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func Test_normalizeTestName(t *testing.T) {
+	t.Run("level 1!@#!@3", func(t *testing.T) {
+		t.Run("level 2!!", func(t *testing.T) {
+			assert.Equal(t, "Test_normalizeTestName_level_1_____3_level_2__", normalizeTestName(t))
+		})
+	})
+}