42 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
package testhelper
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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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func RequireLog(t *testing.T, dir string, bs *bytes.Buffer) {
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	t.Helper()
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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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	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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