mirror of https://github.com/kubernetes/kops.git
83 lines
2.0 KiB
Go
83 lines
2.0 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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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 featureflag
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import (
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"testing"
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"k8s.io/klog/v2"
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)
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func TestFlagToFalse(t *testing.T) {
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f := new("UnitTest1", Bool(true))
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if !f.Enabled() {
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t.Fatalf("Flag did not default true")
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}
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// Really just to force a dependency on glog, so that we can pass -v and -logtostderr to go test
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klog.Info("Created flag Unittest1")
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ParseFlags("-UnitTest1")
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if f.Enabled() {
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t.Fatalf("Flag did not default turn off")
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}
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ParseFlags("UnitTest1")
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if !f.Enabled() {
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t.Fatalf("Flag did not default turn on")
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}
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}
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func TestSetenv(t *testing.T) {
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f := new("UnitTest2", Bool(true))
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if !f.Enabled() {
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t.Fatalf("Flag did not default true")
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}
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t.Setenv("KOPS_FEATURE_FLAGS", "-UnitTest2")
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if !f.Enabled() {
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t.Fatalf("Flag was reparsed immediately after os.Setenv")
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}
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ParseFlags("-UnitTest2")
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if f.Enabled() {
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t.Fatalf("Flag was not updated by ParseFlags")
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}
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}
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func TestGetPositive(t *testing.T) {
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// Find a random existing feature
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var featureName string
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for featureName = range flags {
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break
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}
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f, err := Get(featureName)
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if err != nil {
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t.Errorf("Unexpected error when getting a feature: %s", err)
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}
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if f != flags[featureName] {
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t.Errorf("Unexpected content when getting a feature: expected %+v, got %+v", flags[featureName], f)
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}
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}
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func TestGetNegative(t *testing.T) {
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if _, err := Get("NonExistingFeature"); err == nil {
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t.Errorf("Expected Get error on NonExistingFeature, got nil")
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}
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}
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