kubernetes/test/integration/framework/util.go

// CreateNamespaceOrDie creates a namespace.
func CreateNamespaceOrDie(c clientset.Interface, baseName string, t testing.TB) *v1.Namespace { … }

// DeleteNamespaceOrDie deletes a namespace.
func DeleteNamespaceOrDie(c clientset.Interface, ns *v1.Namespace, t testing.TB) { … }

// Filter filters nodes in NodeList in place, removing nodes that do not
// satisfy the given condition
func Filter(nodeList *v1.NodeList, fn func(node v1.Node) bool) { … }

// IsNodeSchedulable returns true if:
// 1) doesn't have "unschedulable" field set
// 2) it also returns true from IsNodeReady
func IsNodeSchedulable(node *v1.Node) bool { … }

// IsNodeReady returns true if:
// 1) it's Ready condition is set to true
// 2) doesn't have NetworkUnavailable condition set to true
func IsNodeReady(node *v1.Node) bool { … }

// IsConditionSetAsExpected returns a wantTrue value if the node has a match to the conditionType, otherwise returns an opposite value of the wantTrue with detailed logging.
func IsConditionSetAsExpected(node *v1.Node, conditionType v1.NodeConditionType, wantTrue bool) bool { … }

// IsConditionSetAsExpectedSilent returns a wantTrue value if the node has a match to the conditionType, otherwise returns an opposite value of the wantTrue.
func IsConditionSetAsExpectedSilent(node *v1.Node, conditionType v1.NodeConditionType, wantTrue bool) bool { … }

// isConditionUnset returns true if conditions of the given node do not have a match to the given conditionType, otherwise false.
func isConditionUnset(node *v1.Node, conditionType v1.NodeConditionType) bool { … }

// isNodeConditionSetAsExpected checks a node for a condition, and returns 'true' if the wanted value is the same as the condition value, useful for polling until a condition on a node is met.
func isNodeConditionSetAsExpected(node *v1.Node, conditionType v1.NodeConditionType, wantTrue, silent bool) bool { … }