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package cli
import (
"bytes"
"context"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func expectFileContent(t *testing.T, file, got string) {
data, err := os.ReadFile(file)
// Ignore windows line endings
data = bytes.ReplaceAll(data, []byte("\r\n"), []byte("\n"))
r := require.New(t)
r.NoError(err)
r.Equal(got, string(data))
}
func buildTestContext(t *testing.T) context.Context {
ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
t.Cleanup(cancel)
return ctx
}
func TestTracing(t *testing.T) {
olderr := os.Stderr
oldtracing := isTracingOn
defer func() {
os.Stderr = olderr
isTracingOn = oldtracing
}()
file, err := os.CreateTemp(os.TempDir(), "cli*")
assert.NoError(t, err)
os.Stderr = file
// Note we cant really set the env since the isTracingOn
// is read at module startup so any changes mid code
// wont take effect
isTracingOn = false
tracef("something")
isTracingOn = true
tracef("foothing")
assert.NoError(t, file.Close())
b, err := os.ReadFile(file.Name())
assert.NoError(t, err)
assert.Contains(t, string(b), "foothing")
assert.NotContains(t, string(b), "something")
}
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