add core/error/util files

pkg/utils/regexps_test.go

@@ -0,0 +1,65 @@
+package utils
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIsValidUsername_ValidUserName(t *testing.T) {
+	username := "foobar"
+	expectedValue := true
+	actualValue := IsValidUsername(username)
+	assert.Equal(t, expectedValue, actualValue)
+
+	username = "--foo_bar--"
+	expectedValue = true
+	actualValue = IsValidUsername(username)
+	assert.Equal(t, expectedValue, actualValue)
+}
+
+func TestIsValidUsername_InvalidUserName(t *testing.T) {
+	username := "foo~bar~"
+	expectedValue := false
+	actualValue := IsValidUsername(username)
+	assert.Equal(t, expectedValue, actualValue)
+}
+
+func TestIsValidEmail_ValidEmail(t *testing.T) {
+	email := "foo@bar.com"
+	expectedValue := true
+	actualValue := IsValidEmail(email)
+	assert.Equal(t, expectedValue, actualValue)
+
+	email = "foo@1.2.3.4"
+	expectedValue = true
+	actualValue = IsValidEmail(email)
+	assert.Equal(t, expectedValue, actualValue)
+
+	email = "foo_bar@foo.bar"
+	expectedValue = true
+	actualValue = IsValidEmail(email)
+	assert.Equal(t, expectedValue, actualValue)
+}
+
+func TestIsValidEmail_InvalidEmail(t *testing.T) {
+	email := "foo"
+	expectedValue := false
+	actualValue := IsValidEmail(email)
+	assert.Equal(t, expectedValue, actualValue)
+
+	email = "@bar"
+	expectedValue = false
+	actualValue = IsValidEmail(email)
+	assert.Equal(t, expectedValue, actualValue)
+
+	email = "foo@bar"
+	expectedValue = false
+	actualValue = IsValidEmail(email)
+	assert.Equal(t, expectedValue, actualValue)
+
+	email = "foo@bar."
+	expectedValue = false
+	actualValue = IsValidEmail(email)
+	assert.Equal(t, expectedValue, actualValue)
+}