github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/service/logger/logger_test.go (about)

     1  // Licensed under the Apache License, Version 2.0 (the "License");
     2  // you may not use this file except in compliance with the License.
     3  // You may obtain a copy of the License at
     4  //
     5  //     https://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS,
     9  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    10  // See the License for the specific language governing permissions and
    11  // limitations under the License.
    12  //
    13  // Original source: github.com/micro/go-micro/v3/logger/logger_test.go
    14  
    15  package logger
    16  
    17  import (
    18  	"bufio"
    19  	"bytes"
    20  	"strings"
    21  	"testing"
    22  )
    23  
    24  func TestLogger(t *testing.T) {
    25  	l := NewLogger(WithLevel(TraceLevel))
    26  	h1 := NewHelper(l).WithFields(map[string]interface{}{"key1": "val1"})
    27  	h1.Trace("trace_msg1")
    28  	h1.Warn("warn_msg1")
    29  
    30  	h2 := NewHelper(l).WithFields(map[string]interface{}{"key2": "val2"})
    31  	h2.Trace("trace_msg2")
    32  	h2.Warn("warn_msg2")
    33  
    34  	l.Fields(map[string]interface{}{"key3": "val4"}).Log(InfoLevel, "test_msg")
    35  }
    36  
    37  func TestLoggerRedirection(t *testing.T) {
    38  	var b bytes.Buffer
    39  	wr := bufio.NewWriter(&b)
    40  	NewLogger(WithOutput(wr)).Logf(InfoLevel, "test message")
    41  	wr.Flush()
    42  	if !strings.Contains(b.String(), "level=info test message") {
    43  		t.Fatalf("Redirection failed, received '%s'", b.String())
    44  	}
    45  }