mirror of https://github.com/k3s-io/k3s
80 lines
2.8 KiB
Go
80 lines
2.8 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package constraint
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import (
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"encoding/json"
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"testing"
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)
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func TestDeserialize(t *testing.T) {
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shouldMatch := func(js string, field string, operator OperatorType, value string) (err error) {
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constraint := Constraint{}
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if err = json.Unmarshal(([]byte)(js), &constraint); err != nil {
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return
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}
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if field != constraint.Field {
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t.Fatalf("expected field %q instead of %q", field, constraint.Field)
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}
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if operator != constraint.Operator {
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t.Fatalf("expected operator %v instead of %v", operator, constraint.Operator)
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}
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if value != constraint.Value {
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t.Fatalf("expected value %q instead of %q", value, constraint.Value)
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}
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return
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}
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failOnError := func(err error) {
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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}
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failOnError(shouldMatch(`["hostname","UNIQUE"]`, "hostname", UniqueOperator, ""))
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failOnError(shouldMatch(`["rackid","GROUP_BY","1"]`, "rackid", GroupByOperator, "1"))
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failOnError(shouldMatch(`["jdk","LIKE","7"]`, "jdk", LikeOperator, "7"))
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failOnError(shouldMatch(`["jdk","UNLIKE","7"]`, "jdk", UnlikeOperator, "7"))
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failOnError(shouldMatch(`["bob","CLUSTER","foo"]`, "bob", ClusterOperator, "foo"))
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err := shouldMatch(`["bill","NOT_REALLY_AN_OPERATOR","pete"]`, "bill", ClusterOperator, "pete")
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if err == nil {
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t.Fatalf("expected unmarshalling error for invalid operator")
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}
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}
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func TestSerialize(t *testing.T) {
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shouldMatch := func(expected string, constraint *Constraint) error {
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data, err := json.Marshal(constraint)
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if err != nil {
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return err
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}
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js := string(data)
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if js != expected {
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t.Fatalf("expected json %q instead of %q", expected, js)
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}
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return nil
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}
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failOnError := func(err error) {
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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}
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failOnError(shouldMatch(`["hostname","UNIQUE"]`, &Constraint{"hostname", UniqueOperator, ""}))
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failOnError(shouldMatch(`["rackid","GROUP_BY","1"]`, &Constraint{"rackid", GroupByOperator, "1"}))
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failOnError(shouldMatch(`["jdk","LIKE","7"]`, &Constraint{"jdk", LikeOperator, "7"}))
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failOnError(shouldMatch(`["jdk","UNLIKE","7"]`, &Constraint{"jdk", UnlikeOperator, "7"}))
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failOnError(shouldMatch(`["bob","CLUSTER","foo"]`, &Constraint{"bob", ClusterOperator, "foo"}))
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}
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