Stop using empty/whitespace as chat display names (#4553)

* fix(chat): fixes #4522 to stop people from setting invalid display names * fix(chat): also guard against non-ascii whitespace like non breaking space * Update web/utils/displayNameValidation.ts Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * fix: handle additional whitespace * Update web/utils/displayNameValidation.ts Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Javascript formatting autofixes * fix: deduplicate running of validation * fix: fix error with useMemo * Update web/utils/displayNameValidation.ts Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update web/utils/displayNameValidation.ts Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Javascript formatting autofixes * fix: fix component rendering issue --------- Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: Owncast <owncast@owncast.online>
2025-09-15 13:37:39 -07:00
parent 74bbe9666f
commit 8eb8bdc18b
5 changed files with 335 additions and 10 deletions
@@ -30,3 +30,42 @@ func TestSafeString(t *testing.T) {
 		t.Errorf("Expected %s, got %s", expectedResult, result)
 	}
 }
+
+// TestSafeStringWhitespace tests the MakeSafeStringOfLength function with whitespace-only input.
+func TestSafeStringWhitespace(t *testing.T) {
+	testCases := []struct {
+		input    string
+		expected string
+		name     string
+	}{
+		{
+			input:    "   ",
+			expected: "",
+			name:     "spaces only",
+		},
+		{
+			input:    "\t\n\r",
+			expected: "",
+			name:     "tab, newline, carriage return",
+		},
+		{
+			input:    " \t \n \r ",
+			expected: "",
+			name:     "mixed whitespace",
+		},
+		{
+			input:    "",
+			expected: "",
+			name:     "empty string",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			result := MakeSafeStringOfLength(tc.input, 30)
+			if result != tc.expected {
+				t.Errorf("Expected '%s', got '%s'", tc.expected, result)
+			}
+		})
+	}
+}