mirror of https://github.com/knative/pkg.git
89 lines
2.3 KiB
Go
89 lines
2.3 KiB
Go
/*
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Copyright 2019 The Knative 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 test
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import (
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"flag"
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"sync"
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"testing"
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)
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func TestE2eFlags(t *testing.T) {
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v := flag.Lookup("v")
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if v == nil {
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printFlags()
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t.Fatal("Could not find 'v' flag; klog was not init-ed")
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}
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if v.Value.String() != klogDefaultLogLevel {
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t.Fatalf("Either '%s' was passed in for v or v is not being initialized properly. The former is a test limitation, but the latter is an actual problem", v.Value.String())
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}
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flagsAreUninitialized := false
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flagsSetupOnce.Do(func() {
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flagsAreUninitialized = true
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})
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if !flagsAreUninitialized {
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t.Error("SetupLoggingFlags should not have been called at package initialization stage")
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}
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flagTests := []struct {
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testCase string
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logVerbose bool
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nonDefaultV string
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expectedV string
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}{
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{
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testCase: "Check default case with logverbose off",
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logVerbose: false,
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nonDefaultV: "",
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expectedV: klogDefaultLogLevel,
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},
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{
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testCase: "Check default case with logverbose on",
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logVerbose: true,
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nonDefaultV: "",
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expectedV: "8",
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},
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{
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testCase: "Check default case with logverbose on and v set to non-default value",
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logVerbose: true,
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nonDefaultV: "5",
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expectedV: "5",
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},
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}
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alsologtostderr := flag.Lookup("alsologtostderr").Value.String()
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if "true" != alsologtostderr {
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t.Errorf("alsologtostderr = '%s', want: 'true'\n", alsologtostderr)
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}
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for _, tc := range flagTests {
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t.Run(tc.testCase, func(t *testing.T) {
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flagsSetupOnce = &sync.Once{}
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Flags.LogVerbose = tc.logVerbose
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if tc.nonDefaultV != "" {
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flag.Set("v", tc.nonDefaultV)
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}
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SetupLoggingFlags()
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v := klogFlags.Lookup("v").Value.String()
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if tc.expectedV != v {
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t.Errorf("v = '%s', want: '%s'\n", v, tc.expectedV)
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}
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})
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}
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}
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