public void Constraints_Explicit()
{
// Verify that explicit Kubernetes client label checks work.
var maxDnsLabel = new string('a', 63);
var maxName = new string('z', 63);
var maxValue = new string('b', 63);
var maxDnsName = new string('c', 63) + '.' + new string('d', 63) + '.' + new string('e', 63) + '.' + new string('f', 61);
Assert.Equal(253, maxDnsName.Length);
// Verify label keys
LabelSelector.ValidateLabelKey($"{maxDnsName}/test"); // This is OK
LabelSelector.ValidateLabelKey($"a.b.c/test"); // This is OK
LabelSelector.ValidateLabelKey($"0.test-foo.com/test"); // This is OK
LabelSelector.ValidateLabelKey($"0.test_foo.com/test"); // This is OK
LabelSelector.ValidateLabelKey($"0.test_foo.com/{maxName}"); // This is OK
Assert.Throws <FormatException>(() => LabelSelector.ValidateLabelKey($"_test.com/test")); // Invalid first prefix character
Assert.Throws <FormatException>(() => LabelSelector.ValidateLabelKey($"test.com_/test")); // Invalid last prefix character
Assert.Throws <FormatException>(() => LabelSelector.ValidateLabelKey($"{maxDnsName}g/test")); // Prefix too long
Assert.Throws <FormatException>(() => LabelSelector.ValidateLabelKey($"a{maxDnsName}/test")); // DNS label too long
Assert.Throws <FormatException>(() => LabelSelector.ValidateLabelKey($"com/test")); // Not enough DNS labels
Assert.Throws <FormatException>(() => LabelSelector.ValidateLabelKey($"test..com/test")); // Missing DNS label
Assert.Throws <FormatException>(() => LabelSelector.ValidateLabelKey($"0.test_foo.com/{maxName}q")); // Name part is too long
// Verify label values
LabelSelector.ValidateLabelValue($"{maxValue}"); // This is OK
LabelSelector.ValidateLabelValue($"0123456789_abcdefghijklmnopqrstuvwxyz.test_test"); // This is OK
LabelSelector.ValidateLabelValue($"f0123456789_ABCDEFGHIJKLMNOPQRSTUVWXYZ.TEST_TEST"); // This is OK
Assert.Throws <FormatException>(() => LabelSelector.ValidateLabelValue($"{maxValue}g")); // Value is too long
Assert.Throws <FormatException>(() => LabelSelector.ValidateLabelValue($"*")); // Value has invalid character
}
