add unit tests

db/users/create.go

@@ -22,7 +22,7 @@ func CreateUser(ctx context.Context, app, addonUUID, username string, readonly b
 		return nil
 	}
 
-	if usernameValidation, ok := isUsernameValid(username); !ok {
+	if usernameValidation, ok := IsUsernameValid(username); !ok {
 		io.Error(usernameValidation)
 		return nil
 	}

db/users/update_password.go

@@ -21,7 +21,7 @@ func UpdateUserPassword(ctx context.Context, app, addonUUID, username string) er
 		return nil
 	}
 
-	if usernameValidation, ok := isUsernameValid(username); !ok {
+	if usernameValidation, ok := IsUsernameValid(username); !ok {
 		io.Error(usernameValidation)
 		return nil
 	}

db/users/utils.go

@@ -49,7 +49,7 @@ func askForPasswordWithRetry(ctx context.Context, remainingRetries int) (string,
 		return "", "", errors.Wrap(ctx, err, "ask for password")
 	}
 
-	passwordValidation, ok := isPasswordValid(password, confirmedPassword)
+	passwordValidation, ok := IsPasswordValid(password, confirmedPassword)
 	if !ok {
 		if remainingRetries == 1 {
 			return "", "", errors.Newf(ctx, "%s. Too many retries", passwordValidation)
@@ -79,7 +79,7 @@ func askForPassword(ctx context.Context) (string, string, error) {
 	return string(password), string(confirmedPassword), nil
 }
 
-func isPasswordValid(password, confirmedPassword string) (string, bool) {
+func IsPasswordValid(password, confirmedPassword string) (string, bool) {
 	if password == "" && confirmedPassword == "" {
 		return "", true
 	}
@@ -93,9 +93,9 @@ func isPasswordValid(password, confirmedPassword string) (string, bool) {
 	return "", true
 }
 
-func isUsernameValid(username string) (string, bool) {
+func IsUsernameValid(username string) (string, bool) {
 	if len(username) < 6 || len(username) > 32 {
-		return "name must contain between 6 and 32 characters", false
+		return "Name must contain between 6 and 32 characters", false
 	}
 	return "", true
 }

db/users/utils_test.go

@@ -0,0 +1,108 @@
+package users_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/Scalingo/cli/db/users"
+)
+
+func Test_IsPasswordValid(t *testing.T) {
+	testPasswords := map[string]struct {
+		password         string
+		confirmation     string
+		expectedValidity bool
+		expectedMessage  string
+	}{
+		"empty": {
+			password:         "",
+			confirmation:     "",
+			expectedValidity: true,
+			expectedMessage:  "",
+		},
+		"confirmation doesn't match": {
+			password:         "abc",
+			confirmation:     "aBc",
+			expectedValidity: false,
+			expectedMessage:  "Password confirmation doesn't match",
+		},
+		"too short": {
+			password:         "123456789a123456789b123",
+			confirmation:     "123456789a123456789b123",
+			expectedValidity: false,
+			expectedMessage:  "Password must contain between 24 and 64 characters",
+		},
+		"too long": {
+			password:         "123456789a123456789b123456789c123456789d123456789e123456789f12345",
+			confirmation:     "123456789a123456789b123456789c123456789d123456789e123456789f12345",
+			expectedValidity: false,
+			expectedMessage:  "Password must contain between 24 and 64 characters",
+		},
+		"valid, short password": {
+			password:         "123456789a123456789b1234",
+			confirmation:     "123456789a123456789b1234",
+			expectedValidity: true,
+			expectedMessage:  "",
+		},
+		"valid, log password ": {
+			password:         "123456789a123456789b123456789c123456789d123456789e123456789f1234",
+			confirmation:     "123456789a123456789b123456789c123456789d123456789e123456789f1234",
+			expectedValidity: true,
+			expectedMessage:  "",
+		},
+	}
+
+	for name, testCase := range testPasswords {
+		t.Run(name, func(t *testing.T) {
+			message, isValid := users.IsPasswordValid(testCase.password, testCase.confirmation)
+
+			assert.Equal(t, testCase.expectedValidity, isValid)
+			assert.Equal(t, testCase.expectedMessage, message)
+		})
+	}
+}
+
+func Test_IsUsernameValid(t *testing.T) {
+	testPasswords := map[string]struct {
+		username         string
+		expectedValidity bool
+		expectedMessage  string
+	}{
+		"empty": {
+			username:         "",
+			expectedValidity: false,
+			expectedMessage:  "Name must contain between 6 and 32 characters",
+		},
+		"too short": {
+			username:         "12345",
+			expectedValidity: false,
+			expectedMessage:  "Name must contain between 6 and 32 characters",
+		},
+		"too long": {
+			username:         "123456789a123456789b123456789c123",
+			expectedValidity: false,
+			expectedMessage:  "Name must contain between 6 and 32 characters",
+		},
+		"valid, short username": {
+			username:         "123456",
+			expectedValidity: true,
+			expectedMessage:  "",
+		},
+		"valid, long username": {
+			username:         "123456789a123456789b123456789c12",
+			expectedValidity: true,
+			expectedMessage:  "",
+		},
+	}
+
+	for name, testCase := range testPasswords {
+		t.Run(name, func(t *testing.T) {
+			message, isValid := users.IsUsernameValid(testCase.username)
+
+			assert.Equal(t, testCase.expectedValidity, isValid)
+			assert.Equal(t, testCase.expectedMessage, message)
+		})
+	}
+
+}