42 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
| package testhelper
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| 
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| import (
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| 	"bytes"
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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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| )
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| 
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| func RequireLog(t *testing.T, dir string, bs *bytes.Buffer) {
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| 	t.Helper()
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| 
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| 	testNameComponents := strings.Split(t.Name(), "/")
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| 	testBaseName := strings.ToLower(
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| 		strings.ReplaceAll(
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| 			testNameComponents[len(testNameComponents)-1],
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| 			" ",
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| 			"_",
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| 		),
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| 	)
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| 	wantLogFileDir := filepath.Join("testdata", dir)
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| 	wantLogFile := filepath.Join(wantLogFileDir, testBaseName)
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| 	wantLogData, err := os.ReadFile(wantLogFile)
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| 	updateLogFile := err != nil
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| 	wantLog := string(wantLogData)
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| 	gotLog := bs.String()
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| 	if updateLogFile {
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| 		if err := os.MkdirAll(wantLogFileDir, 0755); err != nil {
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| 			t.Fatalf("unable to create directory %q: %v", wantLogFileDir, err)
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| 		}
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| 		if err := os.WriteFile(wantLogFile, bs.Bytes(), 0644); err != nil {
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| 			t.Fatalf("unable to update lint log snapshot: %v", err)
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| 		}
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| 	}
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| 
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| 	diff, exists := Diff(wantLog, gotLog, 3)
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| 	if exists {
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| 		t.Errorf("unexpected log:\nDIFF\n%s\nEOD\nPlease remove %s and rerun the test to recapture this test snapshot", diff, wantLogFile)
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| 	}
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| }
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