github.com/supragya/TendermintConnector@v0.0.0-20210619045051-113e32b84fb1/chains/tm34/libs/log/tracing_logger_test.go (about)

     1  package log_test
     2  
     3  import (
     4  	"bytes"
     5  	stderr "errors"
     6  	"fmt"
     7  	"strings"
     8  	"testing"
     9  
    10  	"github.com/pkg/errors"
    11  
    12  	"github.com/supragya/TendermintConnector/chains/tm34/libs/log"
    13  )
    14  
    15  func TestTracingLogger(t *testing.T) {
    16  	var buf bytes.Buffer
    17  
    18  	logger := log.NewTMJSONLogger(&buf)
    19  
    20  	logger1 := log.NewTracingLogger(logger)
    21  	err1 := errors.New("courage is grace under pressure")
    22  	err2 := errors.New("it does not matter how slowly you go, so long as you do not stop")
    23  	logger1.With("err1", err1).Info("foo", "err2", err2)
    24  
    25  	want := strings.ReplaceAll(
    26  		strings.ReplaceAll(
    27  			`{"_msg":"foo","err1":"`+
    28  				fmt.Sprintf("%+v", err1)+
    29  				`","err2":"`+
    30  				fmt.Sprintf("%+v", err2)+
    31  				`","level":"info"}`,
    32  			"\t", "",
    33  		), "\n", "")
    34  	have := strings.ReplaceAll(strings.ReplaceAll(strings.TrimSpace(buf.String()), "\\n", ""), "\\t", "")
    35  	if want != have {
    36  		t.Errorf("\nwant '%s'\nhave '%s'", want, have)
    37  	}
    38  
    39  	buf.Reset()
    40  
    41  	logger.With(
    42  		"err1", stderr.New("opportunities don't happen. You create them"),
    43  	).Info(
    44  		"foo", "err2", stderr.New("once you choose hope, anything's possible"),
    45  	)
    46  
    47  	want = `{"_msg":"foo",` +
    48  		`"err1":"opportunities don't happen. You create them",` +
    49  		`"err2":"once you choose hope, anything's possible",` +
    50  		`"level":"info"}`
    51  	have = strings.TrimSpace(buf.String())
    52  	if want != have {
    53  		t.Errorf("\nwant '%s'\nhave '%s'", want, have)
    54  	}
    55  
    56  	buf.Reset()
    57  
    58  	logger.With("user", "Sam").With("context", "value").Info("foo", "bar", "baz")
    59  
    60  	want = `{"_msg":"foo","bar":"baz","context":"value","level":"info","user":"Sam"}`
    61  	have = strings.TrimSpace(buf.String())
    62  	if want != have {
    63  		t.Errorf("\nwant '%s'\nhave '%s'", want, have)
    64  	}
    65  }