90 lines
1.9 KiB
Go
90 lines
1.9 KiB
Go
package testutil
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import (
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"os"
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"strings"
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"testing"
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"github.com/hashicorp/go-hclog"
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)
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var sendTestLogsToStdout bool
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func init() {
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sendTestLogsToStdout = os.Getenv("NOLOGBUFFER") == "1"
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}
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// Deprecated: use Logger(t)
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func TestLogger(t testing.TB) *log.Logger {
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return log.New(&testWriter{t}, t.Name()+": ", log.LstdFlags)
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}
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func NewDiscardLogger() hclog.Logger {
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return hclog.New(&hclog.LoggerOptions{
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Level: 0,
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Output: ioutil.Discard,
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})
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}
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func Logger(t testing.TB) hclog.InterceptLogger {
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return LoggerWithOutput(t, &testWriter{t})
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}
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func LoggerWithOutput(t testing.TB, output io.Writer) hclog.InterceptLogger {
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return hclog.NewInterceptLogger(&hclog.LoggerOptions{
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Name: t.Name(),
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Level: hclog.Debug,
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Output: output,
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})
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}
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// Deprecated: use LoggerWithName(t)
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func TestLoggerWithName(t testing.TB, name string) *log.Logger {
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return log.New(&testWriter{t}, "test["+name+"]: ", log.LstdFlags)
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}
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func LoggerWithName(t testing.TB, name string) hclog.InterceptLogger {
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return hclog.NewInterceptLogger(&hclog.LoggerOptions{
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Name: "test[" + name + "]",
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Level: hclog.Debug,
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Output: &testWriter{t},
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})
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}
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func TestWriter(t testing.TB) io.Writer {
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return &testWriter{t}
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}
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type testWriter struct {
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t testing.TB
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}
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func (tw *testWriter) Write(p []byte) (n int, err error) {
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if tw.t != nil {
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tw.t.Helper()
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}
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if sendTestLogsToStdout || tw.t == nil {
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fmt.Fprint(os.Stdout, strings.TrimSpace(string(p))+"\n")
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} else {
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defer func() {
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if r := recover(); r != nil {
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if sr, ok := r.(string); ok {
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if strings.HasPrefix(sr, "Log in goroutine after ") {
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// These sorts of panics are undesirable, but requires
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// total control over goroutine lifetimes to correct.
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fmt.Fprint(os.Stdout, "SUPPRESSED PANIC: "+sr+"\n")
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return
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}
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}
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panic(r)
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}
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}()
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tw.t.Log(strings.TrimSpace(string(p)))
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}
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return len(p), nil
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}
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