1 files changed, 127 insertions, 0 deletions
diff --git a/utils/password_test.go b/utils/password_test.go
new file mode 100644
index 000000000..4daf25018
--- /dev/null
+++ b/utils/password_test.go
@@ -0,0 +1,127 @@
+package utils
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mattermost/mattermost-server/model"
+)
+
+func TestIsPasswordValid(t *testing.T) {
+	for name, tc := range map[string]struct {
+		Password      string
+		ExpectedError string
+	}{
+		"Short": {
+			Password: strings.Repeat("x", model.PASSWORD_MINIMUM_LENGTH),
+		},
+		"Long": {
+			Password: strings.Repeat("x", model.PASSWORD_MAXIMUM_LENGTH),
+		},
+		"TooShort": {
+			Password:      strings.Repeat("x", model.PASSWORD_MINIMUM_LENGTH-1),
+			ExpectedError: "model.user.is_valid.pwd.app_error",
+		},
+		"TooLong": {
+			Password:      strings.Repeat("x", model.PASSWORD_MAXIMUM_LENGTH+1),
+			ExpectedError: "model.user.is_valid.pwd.app_error",
+		},
+	} {
+		t.Run(name, func(t *testing.T) {
+			if err := IsPasswordValid(tc.Password); tc.ExpectedError == "" {
+				assert.Nil(t, err)
+			} else {
+				assert.Equal(t, tc.ExpectedError, err.Id)
+			}
+		})
+	}
+}
+
+func TestIsPasswordValidWithSettings(t *testing.T) {
+	for name, tc := range map[string]struct {
+		Password      string
+		Settings      *model.PasswordSettings
+		ExpectedError string
+	}{
+		"Short": {
+			Password: strings.Repeat("x", 3),
+			Settings: &model.PasswordSettings{
+				MinimumLength: model.NewInt(3),
+			},
+		},
+		"Long": {
+			Password: strings.Repeat("x", model.PASSWORD_MAXIMUM_LENGTH),
+			Settings: &model.PasswordSettings{},
+		},
+		"TooShort": {
+			Password: strings.Repeat("x", 2),
+			Settings: &model.PasswordSettings{
+				MinimumLength: model.NewInt(3),
+			},
+			ExpectedError: "model.user.is_valid.pwd.app_error",
+		},
+		"TooLong": {
+			Password:      strings.Repeat("x", model.PASSWORD_MAXIMUM_LENGTH+1),
+			Settings:      &model.PasswordSettings{},
+			ExpectedError: "model.user.is_valid.pwd.app_error",
+		},
+		"MissingLower": {
+			Password: "ASD123!@#",
+			Settings: &model.PasswordSettings{
+				Lowercase: model.NewBool(true),
+			},
+			ExpectedError: "model.user.is_valid.pwd_lowercase.app_error",
+		},
+		"MissingUpper": {
+			Password: "asd123!@#",
+			Settings: &model.PasswordSettings{
+				Uppercase: model.NewBool(true),
+			},
+			ExpectedError: "model.user.is_valid.pwd_uppercase.app_error",
+		},
+		"MissingNumber": {
+			Password: "asdASD!@#",
+			Settings: &model.PasswordSettings{
+				Number: model.NewBool(true),
+			},
+			ExpectedError: "model.user.is_valid.pwd_number.app_error",
+		},
+		"MissingSymbol": {
+			Password: "asdASD123",
+			Settings: &model.PasswordSettings{
+				Symbol: model.NewBool(true),
+			},
+			ExpectedError: "model.user.is_valid.pwd_symbol.app_error",
+		},
+		"MissingMultiple": {
+			Password: "asd",
+			Settings: &model.PasswordSettings{
+				Lowercase: model.NewBool(true),
+				Uppercase: model.NewBool(true),
+				Number:    model.NewBool(true),
+				Symbol:    model.NewBool(true),
+			},
+			ExpectedError: "model.user.is_valid.pwd_lowercase_uppercase_number_symbol.app_error",
+		},
+		"Everything": {
+			Password: "asdASD!@#123",
+			Settings: &model.PasswordSettings{
+				Lowercase: model.NewBool(true),
+				Uppercase: model.NewBool(true),
+				Number:    model.NewBool(true),
+				Symbol:    model.NewBool(true),
+			},
+		},
+	} {
+		tc.Settings.SetDefaults()
+		t.Run(name, func(t *testing.T) {
+			if err := IsPasswordValidWithSettings(tc.Password, tc.Settings); tc.ExpectedError == "" {
+				assert.Nil(t, err)
+			} else {
+				assert.Equal(t, tc.ExpectedError, err.Id)
+			}
+		})
+	}
+}