81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
package params_test
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum/log"
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"github.com/status-im/status-go/geth/params"
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)
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func TestLogger(t *testing.T) {
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tmpDir, err := ioutil.TempDir(os.TempDir(), "geth-logger-tests")
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if err != nil {
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t.Fatal(err)
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}
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//defer os.RemoveAll(tmpDir)
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nodeConfig, err := params.NewNodeConfig(tmpDir, params.TestNetworkId)
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if err != nil {
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t.Fatal("cannot create config object")
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}
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nodeLogger, err := params.SetupLogger(nodeConfig)
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if err != nil {
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t.Fatal("cannot create logger object")
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}
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if nodeLogger != nil {
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t.Fatalf("logger is not empty (while logs are disabled): %v", nodeLogger)
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}
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nodeConfig.LogEnabled = true
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nodeConfig.LogToStderr = false // just capture logs to file
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nodeLogger, err = params.SetupLogger(nodeConfig)
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if err != nil {
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t.Fatal("cannot create logger object")
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}
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if nodeLogger == nil {
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t.Fatal("logger is empty (while logs are enabled)")
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}
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validateLogText := func(expectedLogText string) {
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logFilePath := filepath.Join(nodeConfig.DataDir, nodeConfig.LogFile)
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logBytes, err := ioutil.ReadFile(logFilePath)
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if err != nil {
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panic(err)
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}
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logText := string(logBytes)
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logText = strings.Trim(logText, "\n")
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logText = logText[len(logText)-len(expectedLogText):] // as logs can be prepended with log info
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if expectedLogText != logText {
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t.Fatalf("invalid log, expected: [%s], got: [%s]", expectedLogText, string(logText))
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} else {
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t.Logf("log match found, expected: [%s], got: [%s]", expectedLogText, string(logText))
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}
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}
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// sample log message
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log.Info("use log package")
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validateLogText(`msg="use log package"`)
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// log using DEBUG log level (with appropriate level set)
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nodeLogger.SetV("DEBUG")
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log.Info("logged DEBUG log level message")
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validateLogText(`msg="logged DEBUG log level message"`)
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// log using DEBUG log level (with appropriate level set)
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nodeLogger.SetV("INFO")
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log.Info("logged INFO log level message")
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validateLogText(`msg="logged INFO log level message"`)
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log.Debug("logged DEBUG log level message")
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validateLogText(`msg="logged INFO log level message"`) // debug level message is NOT logged
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// stop logger and see if os.Stderr and gethlog continue functioning
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nodeLogger.Stop()
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log.Info("logging message: this message happens after custom logger has been stopped")
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}
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