TrueCloudLab/contract-coverage-primer
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[#5] Add mutex to covertest

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Printing coverage to file should be thread-safe

Signed-off-by: Ekaterina Lebedeva <ekaterina.lebedeva@yadro.com>
This commit is contained in:
Ekaterina Lebedeva 2023-08-15 14:51:26 +03:00
parent 8e4015f85f
commit 2c71079944
1 changed files with 6 additions and 0 deletions
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6
covertest/cover.go
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@ -4,12 +4,15 @@ import (
"fmt" "fmt"
"os" "os"
"strings" "strings"
"sync"
"testing" "testing"
"github.com/nspcc-dev/neo-go/pkg/compiler" "github.com/nspcc-dev/neo-go/pkg/compiler"
"github.com/stretchr/testify/require" "github.com/stretchr/testify/require"
) )
var mu sync.Mutex
type coverline struct { type coverline struct {
Doc string Doc string
Opcode int Opcode int
@ -91,6 +94,9 @@ func countInstructions(cov []coverline, codes []InstrHash) {
} }
func printToFile(t testing.TB, cov []coverline, name string) { func printToFile(t testing.TB, cov []coverline, name string) {
mu.Lock()
defer mu.Unlock()
f, err := os.OpenFile(name, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600) f, err := os.OpenFile(name, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
require.NoError(t, err) require.NoError(t, err)