add ConditionsMatch function

pkg/condition/condition.go

@@ -146,3 +146,32 @@
 	con, found := FindConditionByType(conditions, conditionType)
 	return found && con.Reason == reason
 }
+
+// ConditionsMatch checks whether the specified conditions match and return true if they do
+func ConditionsMatch(first, second []toolchainv1alpha1.Condition) bool {
+	if len(first) != len(second) {
+		return false
+	}
+	for _, c := range first {
+		if !ContainsCondition(second, c) {
+			return false
+		}
+	}
+	for _, c := range second {
+		if !ContainsCondition(first, c) {
+			return false
+		}
+	}
+	return true
+}
+
+// ContainsCondition returns true if the specified list of conditions contains the specified condition and the statuses of the conditions match.
+// LastTransitionTime is ignored.
+func ContainsCondition(conditions []toolchainv1alpha1.Condition, contains toolchainv1alpha1.Condition) bool {
+	for _, c := range conditions {
+		if c.Type == contains.Type {
+			return contains.Status == c.Status && contains.Reason == c.Reason && contains.Message == c.Message
+		}
+	}
+	return false
+}

pkg/condition/condition_blackbox_test.go

@@ -543,3 +543,58 @@ func reverseStatus(status apiv1.ConditionStatus) apiv1.ConditionStatus {
 		return apiv1.ConditionFalse
 	}
 }
+
+func TestConditionsMatch(t *testing.T) {
+	conditions1 := []toolchainv1alpha1.Condition{
+		{
+			Type:    toolchainv1alpha1.UserSignupComplete,
+			Status:  apiv1.ConditionTrue,
+			Reason:  toolchainv1alpha1.UserSignupApprovedAutomaticallyReason,
+			Message: "",
+		},
+		{
+			Type:    toolchainv1alpha1.UserSignupUserDeactivatingNotificationCreated,
+			Status:  apiv1.ConditionTrue,
+			Reason:  toolchainv1alpha1.UserSignupUserDeactivatingReason,
+			Message: "",
+		},
+	}
+	conditions2 := []toolchainv1alpha1.Condition{
+		{
+			Type:    toolchainv1alpha1.UserSignupComplete,
+			Status:  apiv1.ConditionTrue,
+			Reason:  toolchainv1alpha1.UserSignupApprovedAutomaticallyReason,
+			Message: "",
+		},
+		{
+			Type:    toolchainv1alpha1.UserSignupUserDeactivatingNotificationCreated,
+			Status:  apiv1.ConditionFalse,
+			Reason:  "Foo",
+			Message: "",
+		},
+	}
+
+	// The conditions are different so no match
+	require.False(t, condition.ConditionsMatch(conditions1, conditions2))
+
+	// Update the condition so that they now match
+	conditions2[1].Status = apiv1.ConditionTrue
+	conditions2[1].Reason = toolchainv1alpha1.UserSignupUserDeactivatingReason
+	require.True(t, condition.ConditionsMatch(conditions1, conditions2))
+
+	// Add another condition, now they should not match
+	conditions2 = append(conditions2, toolchainv1alpha1.Condition{
+		Type:    toolchainv1alpha1.UserSignupUserDeactivatedNotificationCreated,
+		Status:  apiv1.ConditionTrue,
+		Reason:  toolchainv1alpha1.UserSignupUserDeactivatedReason,
+		Message: "",
+	})
+
+	require.False(t, condition.ConditionsMatch(conditions1, conditions2))
+
+	conditions3 := []toolchainv1alpha1.Condition{}
+	conditions3 = append(conditions3, conditions2[0])
+	conditions3 = append(conditions3, conditions2[2])
+
+	require.False(t, condition.ConditionsMatch(conditions1, conditions3))
+}