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promote experimental code to stable #392

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Oct 26, 2023
Merged

promote experimental code to stable #392

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5 changes: 0 additions & 5 deletions ktesting/init/init.go
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Expand Up @@ -17,11 +17,6 @@ limitations under the License.
// Package init registers the command line flags for k8s.io/klogr/testing in
// the flag.CommandLine. This is done during initialization, so merely
// importing it is enough.
//
// # Experimental
//
// Notice: This package is EXPERIMENTAL and may be changed or removed in a
// later release.
package init

import (
Expand Down
45 changes: 0 additions & 45 deletions ktesting/options.go
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Expand Up @@ -29,11 +29,6 @@ import (
// bind command line flags to the instance before passing it to NewTestContext.
//
// Must be constructed with NewConfig.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type Config struct {
vstate *verbosity.VState
co configOptions
Expand All @@ -54,11 +49,6 @@ func (c *Config) VModule() flag.Value {
}

// ConfigOption implements functional parameters for NewConfig.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type ConfigOption func(co *configOptions)

type configOptions struct {
Expand All @@ -72,23 +62,13 @@ type configOptions struct {
// AnyToString overrides the default formatter for values that are not
// supported directly by klog. The default is `fmt.Sprintf("%+v")`.
// The formatter must not panic.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func AnyToString(anyToString func(value interface{}) string) ConfigOption {
return func(co *configOptions) {
co.anyToString = anyToString
}
}

// VerbosityFlagName overrides the default -testing.v for the verbosity level.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func VerbosityFlagName(name string) ConfigOption {
return func(co *configOptions) {
co.verbosityFlagName = name
Expand All @@ -97,11 +77,6 @@ func VerbosityFlagName(name string) ConfigOption {

// VModulFlagName overrides the default -testing.vmodule for the per-module
// verbosity levels.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func VModuleFlagName(name string) ConfigOption {
return func(co *configOptions) {
co.vmoduleFlagName = name
Expand All @@ -114,11 +89,6 @@ func VModuleFlagName(name string) ConfigOption {
// https://github.com/kubernetes/community/blob/9406b4352fe2d5810cb21cc3cb059ce5886de157/contributors/devel/sig-instrumentation/logging.md#logging-conventions),
// which is useful when debugging a failed test. `go test` only shows the log
// output for failed tests. To see all output, use `go test -v`.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func Verbosity(level int) ConfigOption {
return func(co *configOptions) {
co.verbosityDefault = level
Expand All @@ -129,11 +99,6 @@ func Verbosity(level int) ConfigOption {
// to being printed. Off by default. Unit tests that want to verify that
// log entries are emitted as expected can turn this on and then retrieve
// the captured log through the Underlier LogSink interface.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func BufferLogs(enabled bool) ConfigOption {
return func(co *configOptions) {
co.bufferLogs = enabled
Expand All @@ -142,11 +107,6 @@ func BufferLogs(enabled bool) ConfigOption {

// NewConfig returns a configuration with recommended defaults and optional
// modifications. Command line flags are not bound to any FlagSet yet.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func NewConfig(opts ...ConfigOption) *Config {
c := &Config{
co: configOptions{
Expand All @@ -165,11 +125,6 @@ func NewConfig(opts ...ConfigOption) *Config {
}

// AddFlags registers the command line flags that control the configuration.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func (c *Config) AddFlags(fs *flag.FlagSet) {
fs.Var(c.vstate.V(), c.co.verbosityFlagName, "number for the log level verbosity of the testing logger")
fs.Var(c.vstate.VModule(), c.co.vmoduleFlagName, "comma-separated list of pattern=N log level settings for files matching the patterns")
Expand Down
10 changes: 0 additions & 10 deletions ktesting/setup.go
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Expand Up @@ -24,22 +24,12 @@ import (

// DefaultConfig is the global default logging configuration for a unit
// test. It is used by NewTestContext and k8s.io/klogr/testing/init.
//
// # Experimental
//
// Notice: This variable is EXPERIMENTAL and may be changed or removed in a
// later release.
var DefaultConfig = NewConfig()

// NewTestContext returns a logger and context for use in a unit test case or
// benchmark. The tl parameter can be a testing.T or testing.B pointer that
// will receive all log output. Importing k8s.io/klogr/testing/init will add
// command line flags that modify the configuration of that log output.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func NewTestContext(tl TL) (logr.Logger, context.Context) {
logger := NewLogger(tl, DefaultConfig)
ctx := logr.NewContext(context.Background(), logger)
Expand Down
65 changes: 0 additions & 65 deletions ktesting/testinglogger.go
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Expand Up @@ -34,11 +34,6 @@ limitations under the License.
//
// Serialization of the structured log parameters is done in the same way
// as for klog.InfoS.
//
// # Experimental
//
// Notice: This package is EXPERIMENTAL and may be changed or removed in a
// later release.
package ktesting

import (
Expand All @@ -58,23 +53,13 @@ import (
)

// TL is the relevant subset of testing.TB.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type TL interface {
Helper()
Log(args ...interface{})
}

// NopTL implements TL with empty stubs. It can be used when only capturing
// output in memory is relevant.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type NopTL struct{}

func (n NopTL) Helper() {}
Expand All @@ -83,11 +68,6 @@ func (n NopTL) Log(args ...interface{}) {}
var _ TL = NopTL{}

// BufferTL implements TL with an in-memory buffer.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type BufferTL struct {
strings.Builder
}
Expand All @@ -109,11 +89,6 @@ var _ TL = &BufferTL{}
//
// Verbosity can be modified at any time through the Config.V and
// Config.VModule API.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
func NewLogger(t TL, c *Config) logr.Logger {
l := tlogger{
shared: &tloggerShared{
Expand Down Expand Up @@ -141,11 +116,6 @@ func NewLogger(t TL, c *Config) logr.Logger {

// Buffer stores log entries as formatted text and structured data.
// It is safe to use this concurrently.
//
// # Experimental
//
// Notice: This interface is EXPERIMENTAL and may be changed or removed in a
// later release.
type Buffer interface {
// String returns the log entries in a format that is similar to the
// klog text output.
Expand All @@ -156,32 +126,17 @@ type Buffer interface {
}

// Log contains log entries in the order in which they were generated.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type Log []LogEntry

// DeepCopy returns a copy of the log. The error instance and key/value
// pairs remain shared.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func (l Log) DeepCopy() Log {
log := make(Log, 0, len(l))
log = append(log, l...)
return log
}

// LogEntry represents all information captured for a log entry.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type LogEntry struct {
// Timestamp stores the time when the log entry was created.
Timestamp time.Time
Expand Down Expand Up @@ -214,38 +169,18 @@ type LogEntry struct {

// LogType determines whether a log entry was created with an Error or Info
// call.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type LogType string

const (
// LogError is the special value used for Error log entries.
//
// Experimental
//
// Notice: This value is EXPERIMENTAL and may be changed or removed in
// a later release.
LogError = LogType("ERROR")

// LogInfo is the special value used for Info log entries.
//
// Experimental
//
// Notice: This value is EXPERIMENTAL and may be changed or removed in
// a later release.
LogInfo = LogType("INFO")
)

// Underlier is implemented by the LogSink of this logger. It provides access
// to additional APIs that are normally hidden behind the Logger API.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type Underlier interface {
// GetUnderlying returns the testing instance that logging goes to.
// It returns nil when the test has completed already.
Expand Down
27 changes: 0 additions & 27 deletions test/output.go
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Expand Up @@ -15,11 +15,6 @@ limitations under the License.
*/

// Package test contains a reusable unit test for logging output and behavior.
//
// # Experimental
//
// Notice: This package is EXPERIMENTAL and may be changed or removed in a
// later release.
package test

import (
Expand Down Expand Up @@ -48,11 +43,6 @@ import (
//
// The returned flag set has the klog flags registered. It can
// be used to make further changes to the klog configuration.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release.
func InitKlog(tb testing.TB) *flag.FlagSet {
state := klog.CaptureState()
tb.Cleanup(state.Restore)
Expand All @@ -77,11 +67,6 @@ func InitKlog(tb testing.TB) *flag.FlagSet {
}

// OutputConfig contains optional settings for Output.
//
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
type OutputConfig struct {
// NewLogger is called to create a new logger. If nil, output via klog
// is tested. Support for -vmodule is optional. ClearLogger is called
Expand Down Expand Up @@ -553,12 +538,6 @@ var _, _, printWithKlogLine, _ = runtime.Caller(0) // anchor for finding the lin
//
// Loggers will be tested with direct calls to Info or
// as backend for klog.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release. The test cases and thus the expected output also may
// change.
func Output(t *testing.T, config OutputConfig) {
for n, test := range tests {
t.Run(n, func(t *testing.T) {
Expand Down Expand Up @@ -879,12 +858,6 @@ func Output(t *testing.T, config OutputConfig) {
//
// Loggers will be tested with direct calls to Info or
// as backend for klog.
//
// # Experimental
//
// Notice: This function is EXPERIMENTAL and may be changed or removed in a
// later release. The test cases and thus the expected output also may
// change.
func Benchmark(b *testing.B, config OutputConfig) {
for n, test := range tests {
b.Run(n, func(b *testing.B) {
Expand Down
10 changes: 0 additions & 10 deletions test/zapr.go
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Expand Up @@ -18,11 +18,6 @@ package test

// ZaprOutputMappingDirect provides a mapping from klog output to the
// corresponding zapr output when zapr is called directly.
//
// # Experimental
//
// Notice: This package is EXPERIMENTAL and may be changed or removed in a
// later release.
func ZaprOutputMappingDirect() map[string]string {
return map[string]string{
`I output.go:<LINE>] "test" akey="<&>"
Expand Down Expand Up @@ -282,11 +277,6 @@ I output.go:<LINE>] "odd WithValues" keyWithoutValue="(MISSING)"
// - zap drops keys with missing values, here we get "(MISSING)".
// - zap does not de-duplicate key/value pairs, here klog does that
// for it.
//
// # Experimental
//
// Notice: This package is EXPERIMENTAL and may be changed or removed in a
// later release.
func ZaprOutputMappingIndirect() map[string]string {
mapping := ZaprOutputMappingDirect()

Expand Down
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